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831 lines
30 KiB
831 lines
30 KiB
namespace Admin.NET.Core.Service;
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using AspectCore.Extensions.Reflection;
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using Newtonsoft.Json.Linq;
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using SqlSugar;
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using System;
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using System.Collections.Generic;
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using System.Dynamic;
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using System.Linq;
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using System.Text.RegularExpressions;
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/// <summary>
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///
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/// </summary>
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public class SelectTable : ISingleton
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{
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private readonly IdentityService _identitySvc;
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private readonly TableMapper _tableMapper;
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private readonly ISqlSugarClient db;
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/// <summary>
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///
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/// </summary>
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/// <param name="identityService"></param>
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/// <param name="tableMapper"></param>
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/// <param name="dbClient"></param>
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public SelectTable(IdentityService identityService, TableMapper tableMapper, ISqlSugarClient dbClient)
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{
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_identitySvc = identityService;
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_tableMapper = tableMapper;
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db = dbClient;
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}
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/// <summary>
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/// 判断表名是否正确
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/// </summary>
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/// <param name="table"></param>
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/// <returns></returns>
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public bool IsTable(string table)
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{
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return db.DbMaintenance.GetTableInfoList().Any(it => it.Name.Equals(table, StringComparison.CurrentCultureIgnoreCase));
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}
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/// <summary>
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/// 判断表的列名是否正确
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/// </summary>
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/// <param name="table"></param>
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/// <param name="col"></param>
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/// <returns></returns>
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public bool IsCol(string table, string col)
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{
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return db.DbMaintenance.GetColumnInfosByTableName(table).Any(it => it.DbColumnName.Equals(col, StringComparison.CurrentCultureIgnoreCase));
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}
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/// <summary>
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/// 动态调用方法
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/// </summary>
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/// <param name="funcname"></param>
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/// <param name="param"></param>
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/// <param name="types"></param>
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/// <returns></returns>
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public object ExecFunc(string funcname, object[] param, Type[] types)
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{
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var method = typeof(FuncList).GetMethod(funcname);
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var reflector = method.GetReflector();
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var result = reflector.Invoke(new FuncList(), param);
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return result;
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}
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private string ToSql(string subtable, int page, int count, int query, string json)
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{
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JObject values = JObject.Parse(json);
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page = values["page"] == null ? page : int.Parse(values["page"].ToString());
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count = values["count"] == null ? count : int.Parse(values["count"].ToString());
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query = values["query"] == null ? query : int.Parse(values["query"].ToString());
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values.Remove("page");
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values.Remove("count");
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subtable = _tableMapper.GetTableName(subtable);
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var tb = sugarQueryable(subtable, "*", values, null);
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var xx = tb.Skip((page - 1) * count).Take(10).ToSql();
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return xx.Key;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="subtable"></param>
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/// <param name="page"></param>
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/// <param name="count"></param>
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/// <param name="query"></param>
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/// <param name="json"></param>
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/// <param name="dd"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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public Tuple<dynamic, int> GetTableData(string subtable, int page, int count, int query, string json, JObject dd)
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{
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var role = _identitySvc.GetSelectRole(subtable);
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if (!role.Item1)//没有权限返回异常
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{
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throw new Exception(role.Item2);
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}
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string selectrole = role.Item2;
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subtable = _tableMapper.GetTableName(subtable);
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JObject values = JObject.Parse(json);
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page = values["page"] == null ? page : int.Parse(values["page"].ToString());
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count = values["count"] == null ? count : int.Parse(values["count"].ToString());
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query = values["query"] == null ? query : int.Parse(values["query"].ToString());
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values.Remove("page");
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values.Remove("count");
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var tb = sugarQueryable(subtable, selectrole, values, dd);
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if (query == 1)//1-总数
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return new Tuple<dynamic, int>(new List<object>(), tb.Count());
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else
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{
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if (count > 0)
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{
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int total = 0;
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if (query == 0)//0-对象
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return new Tuple<dynamic, int>(tb.ToPageList(page, count), total);
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else
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//2-以上全部
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return new Tuple<dynamic, int>(tb.ToPageList(page, count, ref total), total);
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}
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else
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{
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if (query == 0)
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return new Tuple<dynamic, int>(tb.ToList(), 0);
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else
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return new Tuple<dynamic, int>(tb.ToList(), tb.Count());
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}
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}
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="subtable"></param>
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/// <param name="json"></param>
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/// <param name="dd"></param>
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/// <returns></returns>
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public dynamic GetFirstData(string subtable, string json, JObject dd)
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{
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var role = _identitySvc.GetSelectRole(subtable);
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if (!role.Item1)//没有权限返回异常
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{
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throw new Exception(role.Item2);
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}
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string selectrole = role.Item2;
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subtable = _tableMapper.GetTableName(subtable);
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JObject values = JObject.Parse(json);
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values.Remove("page");
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values.Remove("count");
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var tb = sugarQueryable(subtable, selectrole, values, dd).First();
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var dic = (IDictionary<string, object>)tb;
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foreach (var item in values.Properties().Where(it => it.Name.EndsWith("()")))
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{
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if (!item.Value.IsNullOrEmpty())
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{
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string func = item.Value.ToString().Substring(0, item.Value.ToString().IndexOf("("));
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string param = item.Value.ToString().Substring(item.Value.ToString().IndexOf("(") + 1).TrimEnd(')');
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var types = new List<Type>();
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var paramss = new List<object>();
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foreach (var va in param.Split(','))
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{
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types.Add(typeof(object));
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paramss.Add(tb.Where(it => it.Key.Equals(va)).Select(i => i.Value));
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}
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dic[item.Name] = ExecFunc(func, paramss.ToArray(), types.ToArray());
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}
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}
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return tb;
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}
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/// <summary>
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/// 解析并查询
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/// </summary>
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/// <param name="queryJson"></param>
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/// <returns></returns>
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public JObject Query(string queryJson)
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{
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JObject resultObj = new();
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try
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{
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JObject queryJobj = JObject.Parse(queryJson);
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resultObj = Query(queryJobj);
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}
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catch (Exception ex)
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{
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resultObj.Add("code", "500");
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resultObj.Add("msg", ex.Message);
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}
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return resultObj;
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}
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/// <summary>
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/// 单表查询
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/// </summary>
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/// <param name="queryObj"></param>
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/// <param name="nodeName">返回数据的节点名称 默认为 infos</param>
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/// <returns></returns>
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public JObject QuerySingle(JObject queryObj, string nodeName = "infos")
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{
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JObject resultObj = new();
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resultObj.Add("code", "200");
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resultObj.Add("msg", "success");
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try
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{
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int total = 0;
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foreach (var item in queryObj)
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{
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string key = item.Key.Trim();
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if (key.EndsWith("[]"))
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{
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total = QuerySingleList(resultObj, item, nodeName);
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}
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else if (key.Equals("func"))
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{
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ExecFunc(resultObj, item);
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}
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else if (key.Equals("total@"))
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{
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resultObj.Add("total", total);
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}
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}
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}
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catch (Exception ex)
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{
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resultObj["code"] = "500";
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resultObj["msg"] = ex.Message;
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}
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return resultObj;
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}
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/// <summary>
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/// 获取查询语句
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/// </summary>
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/// <param name="queryObj"></param>
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/// <returns></returns>
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public string ToSql(JObject queryObj)
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{
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foreach (var item in queryObj)
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{
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string key = item.Key.Trim();
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if (key.EndsWith("[]"))
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{
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return ToSql(item);
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}
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}
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return string.Empty;
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}
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/// <summary>
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/// 解析并查询
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/// </summary>
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/// <param name="queryObj"></param>
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/// <returns></returns>
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public JObject Query(JObject queryObj)
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{
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JObject resultObj = new();
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resultObj.Add("code", "200");
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resultObj.Add("msg", "success");
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try
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{
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int total = 0;
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foreach (var item in queryObj)
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{
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string key = item.Key.Trim();
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if (key.Equals("[]"))
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{
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total = QueryMoreList(resultObj, item);
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}
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else if (key.EndsWith("[]"))
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{
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total = QuerySingleList(resultObj, item);
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}
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else if (key.Equals("func"))
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{
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ExecFunc(resultObj, item);
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}
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else if (key.Equals("total@"))
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{
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resultObj.Add("total", total);
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}
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else
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{
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var template = GetFirstData(key, item.Value.ToString(), resultObj);
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if (template != null)
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{
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resultObj.Add(key, JToken.FromObject(template));
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}
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}
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}
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}
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catch (Exception ex)
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{
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resultObj["code"] = "500";
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resultObj["msg"] = ex.Message;
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}
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return resultObj;
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}
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//单表查询,返回的数据在指定的NodeName节点
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private int QuerySingleList(JObject resultObj, KeyValuePair<string, JToken> item, string nodeName)
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{
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string key = item.Key.Trim();
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var jb = JObject.Parse(item.Value.ToString());
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int page = jb["page"] == null ? 0 : int.Parse(jb["page"].ToString());
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int count = jb["count"] == null ? 10 : int.Parse(jb["count"].ToString());
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int query = jb["query"] == null ? 0 : int.Parse(jb["query"].ToString());
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int total = 0;
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jb.Remove("page"); jb.Remove("count"); jb.Remove("query");
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var htt = new JArray();
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foreach (var t in jb)
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{
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var datas = GetTableData(t.Key, page, count, query, t.Value.ToString(), null);
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if (query > 0)
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{
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total = datas.Item2;
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}
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foreach (var data in datas.Item1)
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{
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htt.Add(JToken.FromObject(data));
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}
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}
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if (!string.IsNullOrEmpty(nodeName))
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{
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resultObj.Add(nodeName, htt);
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}
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else
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resultObj.Add(key, htt);
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return total;
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}
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private string ToSql(KeyValuePair<string, JToken> item)
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{
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string key = item.Key.Trim();
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var jb = JObject.Parse(item.Value.ToString());
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int page = jb["page"] == null ? 0 : int.Parse(jb["page"].ToString());
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int count = jb["count"] == null ? 10 : int.Parse(jb["count"].ToString());
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int query = jb["query"] == null ? 0 : int.Parse(jb["query"].ToString());
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jb.Remove("page"); jb.Remove("count"); jb.Remove("query");
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var htt = new JArray();
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foreach (var t in jb)
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{
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return ToSql(t.Key, page, count, query, t.Value.ToString());
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}
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return string.Empty;
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}
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//单表查询
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private int QuerySingleList(JObject resultObj, KeyValuePair<string, JToken> item)
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{
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string key = item.Key.Trim();
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return QuerySingleList(resultObj, item, key);
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}
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//多列表查询
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private int QueryMoreList(JObject resultObj, KeyValuePair<string, JToken> item)
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{
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int total = 0;
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var jb = JObject.Parse(item.Value.ToString());
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var page = jb["page"] == null ? 0 : int.Parse(jb["page"].ToString());
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var count = jb["count"] == null ? 10 : int.Parse(jb["count"].ToString());
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var query = jb["query"] == null ? 0 : int.Parse(jb["query"].ToString());
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jb.Remove("page"); jb.Remove("count"); jb.Remove("query");
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var htt = new JArray();
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List<string> tables = new(), where = new();
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foreach (var t in jb)
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{
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tables.Add(t.Key); where.Add(t.Value.ToString());
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}
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if (tables.Count > 0)
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{
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string table = tables[0];
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var temp = GetTableData(table, page, count, query, where[0], null);
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if (query > 0)
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{
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total = temp.Item2;
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}
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foreach (var dd in temp.Item1)
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{
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var zht = new JObject();
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zht.Add(table, JToken.FromObject(dd));
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for (int i = 1; i < tables.Count; i++)
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{
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string subtable = tables[i];
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if (subtable.EndsWith("[]"))
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{
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subtable = subtable.TrimEnd("[]".ToCharArray());
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var jbb = JObject.Parse(where[i]);
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page = jbb["page"] == null ? 0 : int.Parse(jbb["page"].ToString());
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count = jbb["count"] == null ? 0 : int.Parse(jbb["count"].ToString());
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var lt = new JArray();
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foreach (var d in GetTableData(subtable, page, count, query, jbb[subtable].ToString(), zht).Item1)
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{
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lt.Add(JToken.FromObject(d));
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}
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zht.Add(tables[i], lt);
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}
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else
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{
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var ddf = GetFirstData(subtable, where[i].ToString(), zht);
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if (ddf != null)
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{
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zht.Add(subtable, JToken.FromObject(ddf));
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}
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}
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}
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htt.Add(zht);
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}
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}
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if (query != 1)
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{
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resultObj.Add("[]", htt);
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}
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return total;
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}
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private void ExecFunc(JObject resultObj, KeyValuePair<string, JToken> item)
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{
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JObject jb = JObject.Parse(item.Value.ToString());
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Type type = typeof(FuncList);
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var dataJObj = new JObject();
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foreach (var f in jb)
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{
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var types = new List<Type>();
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var param = new List<object>();
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foreach (var va in JArray.Parse(f.Value.ToString()))
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{
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types.Add(typeof(object));
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param.Add(va);
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}
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dataJObj.Add(f.Key, JToken.FromObject(ExecFunc(f.Key, param.ToArray(), types.ToArray())));
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}
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resultObj.Add("func", dataJObj);
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}
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private ISugarQueryable<ExpandoObject> sugarQueryable(string subtable, string selectrole, JObject values, JObject dd)
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{
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if (!IsTable(subtable))
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{
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throw new Exception($"表名{subtable}不正确！");
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}
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var tb = db.Queryable(subtable, "tb");
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if (!values["@column"].IsNullOrEmpty())
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{
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ProcessColumn(subtable, selectrole, values, tb);
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}
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else
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{
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tb.Select(selectrole);
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}
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List<IConditionalModel> conModels = new();
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if (!values["identity"].IsNullOrEmpty())
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{
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conModels.Add(new ConditionalModel() { FieldName = values["identity"].ToString(), ConditionalType = ConditionalType.Equal, FieldValue = _identitySvc.GetUserIdentity() });
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}
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foreach (var va in values)
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{
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string vakey = va.Key.Trim();
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string fieldValue = va.Value.ToString();
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if (vakey.EndsWith("$"))//模糊查询
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{
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FuzzyQuery(subtable, conModels, va);
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}
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else if (vakey.EndsWith("{}"))//逻辑运算
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{
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ConditionQuery(subtable, conModels, va);
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}
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else if (vakey.EndsWith("%"))//bwtween查询
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{
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ConditionBetween(subtable, conModels, va);
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}
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else if (vakey.EndsWith("@") && dd != null) // 关联上一个table
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{
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string[] str = fieldValue.Split('/');
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string value = string.Empty;
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if (str.Length == 3)
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{
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value = dd[str[1]][str[2]].ToString();
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}
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else if (str.Length == 2)
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{
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value = dd[str[0]][str[1]].ToString();
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}
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conModels.Add(new ConditionalModel() { FieldName = vakey.TrimEnd('@'), ConditionalType = ConditionalType.Equal, FieldValue = value });
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}
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else if (IsCol(subtable, vakey)) //其他where条件
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{
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conModels.Add(new ConditionalModel() { FieldName = vakey, ConditionalType = ConditionalType.Equal, FieldValue = fieldValue });
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}
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}
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tb.Where(conModels);
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//排序
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ProcessOrder(subtable, values, tb);
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//分组
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PrccessGroup(subtable, values, tb);
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//Having
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ProcessHaving(values, tb);
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return tb;
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}
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//处理字段重命名 "@column":"toId:parentId"，对应SQL是toId AS parentId，将查询的字段toId变为parentId返回
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private void ProcessColumn(string subtable, string selectrole, JObject values, ISugarQueryable<ExpandoObject> tb)
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{
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var str = new System.Text.StringBuilder(100);
|
|
foreach (var item in values["@column"].ToString().Split(','))
|
|
{
|
|
string[] ziduan = item.Split(':');
|
|
string colName = ziduan[0];
|
|
var ma = new Regex(@"\((\w+)\)").Match(colName);
|
|
//处理max，min这样的函数
|
|
if (ma.Success && ma.Groups.Count > 1)
|
|
{
|
|
colName = ma.Groups[1].Value;
|
|
}
|
|
|
|
//判断列表是否有权限 sum(1)，sum(*),Count(1)这样的值直接有效
|
|
if (colName == "*" || int.TryParse(colName, out int colNumber) || (IsCol(subtable, colName) && _identitySvc.ColIsRole(colName, selectrole.Split(','))))
|
|
{
|
|
if (ziduan.Length > 1)
|
|
{
|
|
if (ziduan[1].Length > 20)
|
|
{
|
|
throw new Exception("别名不能超过20个字符");
|
|
}
|
|
str.Append(ziduan[0] + " as " + ReplaceSQLChar(ziduan[1]) + ",");
|
|
}
|
|
else
|
|
str.Append(ziduan[0] + ",");
|
|
}
|
|
}
|
|
if (string.IsNullOrEmpty(str.ToString()))
|
|
{
|
|
throw new Exception($"表名{subtable}没有可查询的字段！");
|
|
}
|
|
tb.Select(str.ToString().TrimEnd(','));
|
|
}
|
|
|
|
// "@having":"function0(...)?value0;function1(...)?value1;function2(...)?value2..."，
|
|
// SQL函数条件，一般和 @group一起用，函数一般在 @column里声明
|
|
private void ProcessHaving(JObject values, ISugarQueryable<ExpandoObject> tb)
|
|
{
|
|
if (!values["@having"].IsNullOrEmpty())
|
|
{
|
|
List<IConditionalModel> hw = new();
|
|
List<string> havingItems = new();
|
|
if (values["@having"].HasValues)
|
|
{
|
|
havingItems = values["@having"].Select(p => p.ToString()).ToList();
|
|
}
|
|
else
|
|
{
|
|
havingItems.Add(values["@having"].ToString());
|
|
}
|
|
foreach (var item in havingItems)
|
|
{
|
|
string and = item.ToString();
|
|
var model = new ConditionalModel();
|
|
if (and.Contains(">="))
|
|
{
|
|
model.FieldName = and.Split(new string[] { ">=" }, StringSplitOptions.RemoveEmptyEntries)[0];
|
|
model.ConditionalType = ConditionalType.GreaterThanOrEqual;
|
|
model.FieldValue = and.Split(new string[] { ">=" }, StringSplitOptions.RemoveEmptyEntries)[1];
|
|
}
|
|
else if (and.Contains("<="))
|
|
{
|
|
model.FieldName = and.Split(new string[] { "<=" }, StringSplitOptions.RemoveEmptyEntries)[0];
|
|
model.ConditionalType = ConditionalType.LessThanOrEqual;
|
|
model.FieldValue = and.Split(new string[] { "<=" }, StringSplitOptions.RemoveEmptyEntries)[1];
|
|
}
|
|
else if (and.Contains('>'))
|
|
{
|
|
model.FieldName = and.Split(new string[] { ">" }, StringSplitOptions.RemoveEmptyEntries)[0];
|
|
model.ConditionalType = ConditionalType.GreaterThan;
|
|
model.FieldValue = and.Split(new string[] { ">" }, StringSplitOptions.RemoveEmptyEntries)[1];
|
|
}
|
|
else if (and.Contains('<'))
|
|
{
|
|
model.FieldName = and.Split(new string[] { "<" }, StringSplitOptions.RemoveEmptyEntries)[0];
|
|
model.ConditionalType = ConditionalType.LessThan;
|
|
model.FieldValue = and.Split(new string[] { "<" }, StringSplitOptions.RemoveEmptyEntries)[1];
|
|
}
|
|
else if (and.Contains("!="))
|
|
{
|
|
model.FieldName = and.Split(new string[] { "!=" }, StringSplitOptions.RemoveEmptyEntries)[0];
|
|
model.ConditionalType = ConditionalType.NoEqual;
|
|
model.FieldValue = and.Split(new string[] { "!=" }, StringSplitOptions.RemoveEmptyEntries)[1];
|
|
}
|
|
else if (and.Contains('='))
|
|
{
|
|
model.FieldName = and.Split(new string[] { "=" }, StringSplitOptions.RemoveEmptyEntries)[0];
|
|
model.ConditionalType = ConditionalType.Equal;
|
|
model.FieldValue = and.Split(new string[] { "=" }, StringSplitOptions.RemoveEmptyEntries)[1];
|
|
}
|
|
hw.Add(model);
|
|
}
|
|
|
|
tb.Having(string.Join(",", havingItems));
|
|
}
|
|
}
|
|
|
|
//"@group":"column0,column1..."，分组方式。如果 @column里声明了Table的id，则id也必须在 @group中声明；其它情况下必须满足至少一个条件:
|
|
//1.分组的key在 @column里声明
|
|
//2.Table主键在 @group中声明
|
|
private void PrccessGroup(string subtable, JObject values, ISugarQueryable<ExpandoObject> tb)
|
|
{
|
|
if (!values["@group"].IsNullOrEmpty())
|
|
{
|
|
var str = new System.Text.StringBuilder(100);
|
|
foreach (var and in values["@group"].ToString().Split(','))
|
|
{
|
|
if (IsCol(subtable, and))
|
|
{
|
|
str.Append(and + ",");
|
|
}
|
|
}
|
|
tb.GroupBy(str.ToString().TrimEnd(','));
|
|
}
|
|
}
|
|
|
|
//处理排序 "@order":"name-,id"查询按 name降序、id默认顺序 排序的User数组
|
|
private void ProcessOrder(string subtable, JObject values, ISugarQueryable<ExpandoObject> tb)
|
|
{
|
|
if (!values["@order"].IsNullOrEmpty())
|
|
{
|
|
foreach (var item in values["@order"].ToString().Split(','))
|
|
{
|
|
string col = item.Replace("-", "").Replace("+", "");
|
|
if (IsCol(subtable, col))
|
|
{
|
|
if (item.EndsWith("-"))
|
|
{
|
|
tb.OrderBy($"{col} desc");
|
|
}
|
|
else if (item.EndsWith("+"))
|
|
{
|
|
tb.OrderBy($"{col} asc");
|
|
}
|
|
else
|
|
{
|
|
tb.OrderBy($"{col}");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//条件查询 "key{}":"条件0,条件1..."，条件为任意SQL比较表达式字符串，非Number类型必须用''包含条件的值，如'a'
|
|
//&, |, ! 逻辑运算符，对应数据库 SQL 中的 AND, OR, NOT。
|
|
// 横或纵与：同一字段的值内条件默认 | 或连接，不同字段的条件默认 & 与连接。
|
|
// ① & 可用于"key&{}":"条件"等
|
|
// ② | 可用于"key|{}":"条件", "key|{}":[] 等，一般可省略
|
|
// ③ ! 可单独使用，如"key!":Object，也可像&,|一样配合其他功能符使用
|
|
private void ConditionQuery(string subtable, List<IConditionalModel> conModels, KeyValuePair<string, JToken> va)
|
|
{
|
|
string vakey = va.Key.Trim();
|
|
string field = vakey.TrimEnd("{}".ToCharArray());
|
|
if (va.Value.HasValues)
|
|
{
|
|
List<string> inValues = new();
|
|
foreach (var cm in va.Value)
|
|
{
|
|
inValues.Add(cm.ToString());
|
|
}
|
|
|
|
conModels.Add(new ConditionalModel() { FieldName = field, ConditionalType = field.EndsWith("!") ? ConditionalType.NotIn : ConditionalType.In, FieldValue = string.Join(",", inValues) });
|
|
}
|
|
else
|
|
{
|
|
var ddt = new List<KeyValuePair<WhereType, ConditionalModel>>();
|
|
foreach (var and in va.Value.ToString().Split(','))
|
|
{
|
|
var model = new ConditionalModel();
|
|
model.FieldName = field.TrimEnd("&".ToCharArray());//处理&()的查询方式
|
|
if (and.StartsWith(">="))
|
|
{
|
|
model.ConditionalType = ConditionalType.GreaterThanOrEqual;
|
|
model.FieldValue = and.TrimStart(">=".ToCharArray());
|
|
}
|
|
else if (and.StartsWith("<="))
|
|
{
|
|
model.ConditionalType = ConditionalType.LessThanOrEqual;
|
|
model.FieldValue = and.TrimStart("<=".ToCharArray());
|
|
}
|
|
else if (and.StartsWith(">"))
|
|
{
|
|
model.ConditionalType = ConditionalType.GreaterThan;
|
|
model.FieldValue = and.TrimStart('>');
|
|
}
|
|
else if (and.StartsWith("<"))
|
|
{
|
|
model.ConditionalType = ConditionalType.LessThan;
|
|
model.FieldValue = and.TrimStart('<');
|
|
}
|
|
ddt.Add(new KeyValuePair<WhereType, ConditionalModel>((field.EndsWith("&") ? WhereType.And : WhereType.Or), model));
|
|
}
|
|
conModels.Add(new ConditionalCollections() { ConditionalList = ddt });
|
|
}
|
|
}
|
|
|
|
//"key%":"start,end" => "key%":["start,end"]，其中 start 和 end 都只能为 Boolean, Number, String 中的一种，如 "2017-01-01,2019-01-01" ，["1,90000", "82001,100000"] ，可用于连续范围内的筛选
|
|
private void ConditionBetween(string subtable, List<IConditionalModel> conModels, KeyValuePair<string, JToken> va)
|
|
{
|
|
string vakey = va.Key.Trim();
|
|
string field = vakey.TrimEnd("%".ToCharArray());
|
|
List<string> inValues = new();
|
|
|
|
if (va.Value.HasValues)
|
|
{
|
|
foreach (var cm in va.Value)
|
|
{
|
|
inValues.Add(cm.ToString());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
inValues.Add(va.Value.ToString());
|
|
}
|
|
for (var i = 0; i < inValues.Count; i++)
|
|
{
|
|
var fileds = inValues[i].Split(',');
|
|
if (fileds.Length == 2)
|
|
{
|
|
var ddt = new List<KeyValuePair<WhereType, ConditionalModel>>();
|
|
|
|
var leftCondition = new ConditionalModel()
|
|
{
|
|
FieldName = field,
|
|
ConditionalType = ConditionalType.GreaterThanOrEqual,
|
|
FieldValue = fileds[0]
|
|
};
|
|
ddt.Add(new KeyValuePair<WhereType, ConditionalModel>(i == 0 ? WhereType.And : WhereType.Or, leftCondition));
|
|
var rightCondition = new ConditionalModel()
|
|
{
|
|
FieldName = field,
|
|
ConditionalType = ConditionalType.LessThanOrEqual,
|
|
FieldValue = fileds[1]
|
|
};
|
|
ddt.Add(new KeyValuePair<WhereType, ConditionalModel>(WhereType.And, rightCondition));
|
|
|
|
conModels.Add(new ConditionalCollections() { ConditionalList = ddt });
|
|
}
|
|
}
|
|
}
|
|
|
|
//模糊搜索 "key$":"SQL搜索表达式" => "key$":["SQL搜索表达式"]，任意SQL搜索表达式字符串，如 %key%(包含key), key%(以key开始), %k%e%y%(包含字母k,e,y) 等，%表示任意字符
|
|
private void FuzzyQuery(string subtable, List<IConditionalModel> conModels, KeyValuePair<string, JToken> va)
|
|
{
|
|
string vakey = va.Key.Trim();
|
|
string fieldValue = va.Value.ToString();
|
|
var conditionalType = ConditionalType.Like;
|
|
if (IsCol(subtable, vakey.TrimEnd('$')))
|
|
{
|
|
//支持三种like查询
|
|
if (fieldValue.StartsWith("%") && fieldValue.EndsWith("%"))
|
|
{
|
|
conditionalType = ConditionalType.Like;
|
|
}
|
|
else if (fieldValue.StartsWith("%"))
|
|
{
|
|
conditionalType = ConditionalType.LikeRight;
|
|
}
|
|
else if (fieldValue.EndsWith("%"))
|
|
{
|
|
conditionalType = ConditionalType.LikeLeft;
|
|
}
|
|
conModels.Add(new ConditionalModel() { FieldName = vakey.TrimEnd('$'), ConditionalType = conditionalType, FieldValue = fieldValue.TrimEnd("%".ToArray()).TrimStart("%".ToArray()) });
|
|
}
|
|
}
|
|
|
|
public static string ReplaceSQLChar(string str)
|
|
{
|
|
if (str == String.Empty)
|
|
return String.Empty;
|
|
str = str.Replace("'", "");
|
|
str = str.Replace(";", "");
|
|
str = str.Replace(",", "");
|
|
str = str.Replace("?", "");
|
|
str = str.Replace("<", "");
|
|
str = str.Replace(">", "");
|
|
str = str.Replace("(", "");
|
|
str = str.Replace(")", "");
|
|
str = str.Replace("@", "");
|
|
str = str.Replace("=", "");
|
|
str = str.Replace("+", "");
|
|
str = str.Replace("*", "");
|
|
str = str.Replace("&", "");
|
|
str = str.Replace("#", "");
|
|
str = str.Replace("%", "");
|
|
str = str.Replace("$", "");
|
|
str = str.Replace("\"", "");
|
|
|
|
//删除与数据库相关的词
|
|
str = Regex.Replace(str, "delete from", "", RegexOptions.IgnoreCase);
|
|
str = Regex.Replace(str, "drop table", "", RegexOptions.IgnoreCase);
|
|
str = Regex.Replace(str, "truncate", "", RegexOptions.IgnoreCase);
|
|
str = Regex.Replace(str, "xp_cmdshell", "", RegexOptions.IgnoreCase);
|
|
str = Regex.Replace(str, "exec master", "", RegexOptions.IgnoreCase);
|
|
str = Regex.Replace(str, "net localgroup administrators", "", RegexOptions.IgnoreCase);
|
|
str = Regex.Replace(str, "net user", "", RegexOptions.IgnoreCase);
|
|
str = Regex.Replace(str, "-", "", RegexOptions.IgnoreCase);
|
|
str = Regex.Replace(str, "truncate", "", RegexOptions.IgnoreCase);
|
|
return str;
|
|
}
|
|
}
|