forked from liaozb/APIJSON.NET
-
Notifications
You must be signed in to change notification settings - Fork 3
Expand file tree
/
Copy pathSelectTable.cs
More file actions
827 lines (754 loc) · 30.1 KB
/
SelectTable.cs
File metadata and controls
827 lines (754 loc) · 30.1 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
namespace APIJSON.Data;
using AspectCore.Extensions.Reflection;
using global::SqlSugar;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Dynamic;
using System.Linq;
using System.Text.RegularExpressions;
/// <summary>
///
/// </summary>
public class SelectTable
{
private readonly IIdentityService _identitySvc;
private readonly ITableMapper _tableMapper;
private readonly SqlSugarClient db;
/// <summary>
///
/// </summary>
/// <param name="identityService"></param>
/// <param name="tableMapper"></param>
/// <param name="dbClient"></param>
public SelectTable(IIdentityService identityService, ITableMapper tableMapper, SqlSugarClient dbClient)
{
_identitySvc = identityService;
_tableMapper = tableMapper;
db = dbClient;
}
/// <summary>
/// 判断表名是否正确
/// </summary>
/// <param name="table"></param>
/// <returns></returns>
public virtual bool IsTable(string table)
{
return db.DbMaintenance.GetTableInfoList().Any(it => it.Name.Equals(table, StringComparison.CurrentCultureIgnoreCase));
}
/// <summary>
/// 判断表的列名是否正确
/// </summary>
/// <param name="table"></param>
/// <param name="col"></param>
/// <returns></returns>
public virtual bool IsCol(string table, string col)
{
return db.DbMaintenance.GetColumnInfosByTableName(table).Any(it => it.DbColumnName.Equals(col, StringComparison.CurrentCultureIgnoreCase));
}
/// <summary>
///
/// </summary>
/// <param name="subtable"></param>
/// <param name="page"></param>
/// <param name="count"></param>
/// <param name="json"></param>
/// <param name="dd"></param>
/// <returns></returns>
public virtual Tuple<dynamic, int> GetTableData(string subtable, int page, int count, int query, string json, JObject dd)
{
var role = _identitySvc.GetSelectRole(subtable);
if (!role.Item1)//没有权限返回异常
{
throw new Exception(role.Item2);
}
string selectrole = role.Item2;
subtable = _tableMapper.GetTableName(subtable);
JObject values = JObject.Parse(json);
page = values["page"] == null ? page : int.Parse(values["page"].ToString());
count = values["count"] == null ? count : int.Parse(values["count"].ToString());
query = values["query"] == null ? query : int.Parse(values["query"].ToString());
values.Remove("page");
values.Remove("count");
var tb = sugarQueryable(subtable, selectrole, values, dd);
if (query == 1)//1-总数
return new Tuple<dynamic, int>(new List<object>(), tb.Count());
else
{
if (count > 0)
{
int total = 0;
if (query == 0)//0-对象
return new Tuple<dynamic, int>(tb.ToPageList(page, count), total);
else
//2-以上全部
return new Tuple<dynamic, int>(tb.ToPageList(page, count, ref total), total);
}
else
{
if (query == 0)
return new Tuple<dynamic, int>(tb.ToList(), 0);
else
return new Tuple<dynamic, int>(tb.ToList(), tb.Count());
}
}
}
/// <summary>
/// 解析并查询
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public virtual JObject Query(string queryJson)
{
JObject resultObj = new JObject();
JObject queryJobj = JObject.Parse(queryJson);
resultObj = Query(queryJobj);
return resultObj;
}
/// <summary>
/// 单表查询
/// </summary>
/// <param name="queryObj"></param>
/// <param name="nodeName">返回数据的节点名称 默认为 infos</param>
/// <returns></returns>
public virtual JObject QuerySingle(JObject queryObj, string nodeName = "infos")
{
JObject resultObj = new JObject();
resultObj.Add("code", "200");
resultObj.Add("msg", "success");
int total = 0;
foreach (var item in queryObj)
{
string key = item.Key.Trim();
if (key.EndsWith("[]"))
{
total = QuerySingleList(resultObj, item, nodeName);
}
else if (key.Equals("func"))
{
ExecFunc(resultObj, item);
}
else if (key.Equals("total@"))
{
resultObj.Add("total", total);
}
}
return resultObj;
}
/// <summary>
/// 获取查询语句
/// </summary>
/// <param name="queryObj"></param>
/// <returns></returns>
public virtual string ToSql(JObject queryObj)
{
foreach (var item in queryObj)
{
string key = item.Key.Trim();
if (key.EndsWith("[]"))
{
return ToSql(item);
}
}
return string.Empty;
}
/// <summary>
/// 解析并查询
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public virtual JObject Query(JObject queryObj)
{
JObject resultObj = new JObject();
resultObj.Add("code", "200");
resultObj.Add("msg", "success");
int total = 0;
foreach (var item in queryObj)
{
string key = item.Key.Trim();
if (key.Equals("[]"))
{
total = QueryMoreList(resultObj, item);
}
else if (key.EndsWith("[]"))
{
total = QuerySingleList(resultObj, item);
}
else if (key.Equals("func"))
{
ExecFunc(resultObj, item);
}
else if (key.Equals("total@"))
{
resultObj.Add("total", total);
}
else
{
var template = GetFirstData(key, item.Value.ToString(), resultObj);
if (template != null)
{
resultObj.Add(key, JToken.FromObject(template));
}
}
}
return resultObj;
}
//动态调用方法
private object ExecFunc(string funcname, object[] param, Type[] types)
{
var method = typeof(FuncList).GetMethod(funcname);
var reflector = method.GetReflector();
var result = reflector.Invoke(new FuncList(), param);
return result;
}
//生成sql
private string ToSql(string subtable, int page, int count, int query, string json)
{
JObject values = JObject.Parse(json);
page = values["page"] == null ? page : int.Parse(values["page"].ToString());
count = values["count"] == null ? count : int.Parse(values["count"].ToString());
query = values["query"] == null ? query : int.Parse(values["query"].ToString());
values.Remove("page");
values.Remove("count");
subtable = _tableMapper.GetTableName(subtable);
var tb = sugarQueryable(subtable, "*", values, null);
var sqlObj = tb.Skip((page - 1) * count).Take(10).ToSql();
return sqlObj.Key;
}
//
private dynamic GetFirstData(string subtable, string json, JObject job)
{
var role = _identitySvc.GetSelectRole(subtable);
if (!role.Item1)//没有权限返回异常
{
throw new Exception(role.Item2);
}
string selectrole = role.Item2;
subtable = _tableMapper.GetTableName(subtable);
JObject values = JObject.Parse(json);
values.Remove("page");
values.Remove("count");
var tb = sugarQueryable(subtable, selectrole, values, job).First();
var dic = (IDictionary<string, object>)tb;
foreach (var item in values.Properties().Where(it => it.Name.EndsWith("()")))
{
if (item.Value.IsValue())
{
string func = item.Value.ToString().Substring(0, item.Value.ToString().IndexOf("("));
string param = item.Value.ToString().Substring(item.Value.ToString().IndexOf("(") + 1).TrimEnd(')');
var types = new List<Type>();
var paramss = new List<object>();
foreach (var va in param.Split(','))
{
types.Add(typeof(object));
paramss.Add(tb.Where(it => it.Key.Equals(va)).Select(i => i.Value));
}
dic[item.Name] = ExecFunc(func, paramss.ToArray(), types.ToArray());
}
}
return tb;
}
//单表查询,返回的数据在指定的NodeName节点
private int QuerySingleList(JObject resultObj, KeyValuePair<string, JToken> item, string nodeName)
{
string key = item.Key.Trim();
var jb = JObject.Parse(item.Value.ToString());
int page = jb["page"] == null ? 0 : int.Parse(jb["page"].ToString());
int count = jb["count"] == null ? 10 : int.Parse(jb["count"].ToString());
int query = jb["query"] == null ? 0 : int.Parse(jb["query"].ToString());
int total = 0;
jb.Remove("page"); jb.Remove("count"); jb.Remove("query");
var htt = new JArray();
foreach (var t in jb)
{
var datas = GetTableData(t.Key, page, count, query, t.Value.ToString(), null);
if (query > 0)
{
total = datas.Item2;
}
foreach (var data in datas.Item1)
{
htt.Add(JToken.FromObject(data));
}
}
if (!string.IsNullOrEmpty(nodeName))
{
resultObj.Add(nodeName, htt);
}
else
resultObj.Add(key, htt);
return total;
}
//生成sql
private string ToSql(KeyValuePair<string, JToken> item)
{
string key = item.Key.Trim();
var jb = JObject.Parse(item.Value.ToString());
int page = jb["page"] == null ? 0 : int.Parse(jb["page"].ToString());
int count = jb["count"] == null ? 10 : int.Parse(jb["count"].ToString());
int query = jb["query"] == null ? 0 : int.Parse(jb["query"].ToString());
jb.Remove("page"); jb.Remove("count"); jb.Remove("query");
var htt = new JArray();
foreach (var t in jb)
{
return ToSql(t.Key, page, count, query, t.Value.ToString());
}
return string.Empty;
}
//单表查询
private int QuerySingleList(JObject resultObj, KeyValuePair<string, JToken> item)
{
string key = item.Key.Trim();
return QuerySingleList(resultObj, item, key);
}
//多列表查询
private int QueryMoreList(JObject resultObj, KeyValuePair<string, JToken> item)
{
int total = 0;
var jb = JObject.Parse(item.Value.ToString());
var page = jb["page"] == null ? 0 : int.Parse(jb["page"].ToString());
var count = jb["count"] == null ? 10 : int.Parse(jb["count"].ToString());
var query = jb["query"] == null ? 0 : int.Parse(jb["query"].ToString());
jb.Remove("page"); jb.Remove("count"); jb.Remove("query");
var htt = new JArray();
List<string> tables = new List<string>(), where = new List<string>();
foreach (var t in jb)
{
tables.Add(t.Key); where.Add(t.Value.ToString());
}
if (tables.Count > 0)
{
string table = tables[0];
var temp = GetTableData(table, page, count, query, where[0], null);
if (query > 0)
{
total = temp.Item2;
}
foreach (var dd in temp.Item1)
{
var zht = new JObject();
zht.Add(table, JToken.FromObject(dd));
for (int i = 1; i < tables.Count; i++)
{
string subtable = tables[i];
if (subtable.EndsWith("[]"))
{
subtable = subtable.TrimEnd("[]".ToCharArray());
var jbb = JObject.Parse(where[i]);
page = jbb["page"] == null ? 0 : int.Parse(jbb["page"].ToString());
count = jbb["count"] == null ? 0 : int.Parse(jbb["count"].ToString());
var lt = new JArray();
foreach (var d in GetTableData(subtable, page, count, query, jbb[subtable].ToString(), zht).Item1)
{
lt.Add(JToken.FromObject(d));
}
zht.Add(tables[i], lt);
}
else
{
var ddf = GetFirstData(subtable, where[i].ToString(), zht);
if (ddf != null)
{
zht.Add(subtable, JToken.FromObject(ddf));
}
}
}
htt.Add(zht);
}
}
if (query != 1)
{
resultObj.Add("[]", htt);
}
return total;
}
//执行方法
private void ExecFunc(JObject resultObj, KeyValuePair<string, JToken> item)
{
JObject jb = JObject.Parse(item.Value.ToString());
Type type = typeof(FuncList);
var dataJObj = new JObject();
foreach (var f in jb)
{
var types = new List<Type>();
var param = new List<object>();
foreach (var va in JArray.Parse(f.Value.ToString()))
{
types.Add(typeof(object));
param.Add(va);
}
dataJObj.Add(f.Key, JToken.FromObject(ExecFunc(f.Key, param.ToArray(), types.ToArray())));
}
resultObj.Add("func", dataJObj);
}
//
private ISugarQueryable<ExpandoObject> sugarQueryable(string subtable, string selectrole, JObject values, JObject dd)
{
if (!IsTable(subtable))
{
throw new Exception($"表名{subtable}不正确！");
}
var tb = db.Queryable(subtable, "tb");
if (values["@column"].IsValue())
{
ProcessColumn(subtable, selectrole, values, tb);
}
else
{
tb.Select(selectrole);
}
List<IConditionalModel> conModels = new List<IConditionalModel>();
if (values["identity"].IsValue())
{
conModels.Add(new ConditionalModel() { FieldName = values["identity"].ToString(), ConditionalType = ConditionalType.Equal, FieldValue = _identitySvc.GetUserIdentity() });
}
foreach (var va in values)
{
string vakey = va.Key.Trim();
string fieldValue = va.Value.ToString();
if (vakey.StartsWith("@"))
{
continue;
}
if (vakey.EndsWith("$"))//模糊查询
{
FuzzyQuery(subtable, conModels, va);
}
else if (vakey.EndsWith("{}"))//逻辑运算
{
ConditionQuery(subtable, conModels, va);
}
else if (vakey.EndsWith("%"))//bwtween查询
{
ConditionBetween(subtable, conModels, va);
}
else if (vakey.EndsWith("@") && dd != null) // 关联上一个table
{
string[] str = fieldValue.Split('/');
string value = string.Empty;
if (str.Length == 3)
{
value = dd[str[1]][str[2]].ToString();
}
else if (str.Length == 2)
{
value = dd[str[0]][str[1]].ToString();
}
conModels.Add(new ConditionalModel() { FieldName = vakey.TrimEnd('@'), ConditionalType = ConditionalType.Equal, FieldValue = value });
}
else if (vakey.EndsWith("~"))//不等于
{
conModels.Add(new ConditionalModel() { FieldName = vakey.TrimEnd('~'), ConditionalType = ConditionalType.NoEqual, FieldValue = fieldValue });
}
else if (IsCol(subtable, vakey)) //其他where条件
{
conModels.Add(new ConditionalModel() { FieldName = vakey, ConditionalType = ConditionalType.Equal, FieldValue = fieldValue });
}
}
tb.Where(conModels);
//排序
ProcessOrder(subtable, values, tb);
//分组
PrccessGroup(subtable, values, tb);
//Having
ProcessHaving(values, tb);
return tb;
}
//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
private void ProcessColumn(string subtable, string selectrole, JObject values, ISugarQueryable<ExpandoObject> tb)
{
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"].IsValue())
{
List<IConditionalModel> hw = new List<IConditionalModel>();
List<string> havingItems = new List<string>();
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);
}
//var d = db.Context.Utilities.ConditionalModelToSql(hw);
//tb.Having(d.Key, d.Value);
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"].IsValue())
{
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"].IsValue())
{
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 List<string>();
foreach (var cm in va.Value)
{
inValues.Add(cm.ToString());
}
conModels.Add(new ConditionalModel()
{
FieldName = field.TrimEnd("!".ToCharArray()),
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 List<string>();
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()) });
}
}
//处理sql注入
private 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;
}
}