1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Xml.Linq;
6 using System.Text.RegularExpressions;
7 using System.Data.SqlClient;
8 using System.Data;
9 using System.Configuration;
10 using System.Xml;
11
12 namespace Components
13 {
14 public static class ReportHelper
15 {
16 #region 获取分页数据
17 ///
18 /// 获取分页数据
19 ///
20 ///
21 ///
22 ///
23 ///
24 ///
25 ///
26 public static List GetPageData(string reportName, ReportParams p_Params, string p_ReportXmlName, out int totalCount)
27 {
28 List m_List = new List();
29 DataSet m_result = getReportDataByPage(reportName, p_Params, p_ReportXmlName, out totalCount);
30 if (!m_result.IsEmpty())
31 {
32 m_List = m_result.Tables[0].ToList();
33 }
34 return m_List;
35 }
36
37 ///
38 /// 获取分页数据
39 ///
40 ///
41 ///
42 ///
43 ///
44 ///
45 /// 返回DataTable
46 public static DataTable GetDataTablePageData(string reportName, ReportParams p_Params, string p_ReportXmlName, out int totalCount)
47 {
48 DataSet m_result = getReportDataByPage(reportName, p_Params, p_ReportXmlName, out totalCount);
49 if (!m_result.IsEmpty())
50 {
51 return m_result.Tables[0];
52 }
53 return null;
54 }
55 ///
56 /// 获取不分页数据
57 ///
58 ///
59 ///
60 ///
61 ///
62 ///
63 public static DataTable GetDataTableData(string reportName, ReportParams p_Params, string p_ReportXmlName)
64 {
65 return getData(reportName, p_Params, p_ReportXmlName);
66 }
67 ///
68 /// 获取不分页数据
69 ///
70 ///
71 ///
72 ///
73 ///
74 ///
75 public static List GetDataListData(string reportName, ReportParams p_Params, string p_ReportXmlName)
76 {
77 List m_List = new List();
78 DataTable m_result = getData(reportName, p_Params, p_ReportXmlName);
79 if (!m_result.IsEmpty())
80 {
81 m_List = m_result.ToList();
82 }
83 return m_List;
84 }
85 #endregion
86
87 #region 导出报表
88 ///
89 /// 获取分页数据
90 ///
91 ///
92 ///
93 ///
94 ///
95 ///
96 public static List GetExportData(string reportName, string p_ReportXmlName, ReportParams p_Params, out int totalCount)
97 {
98 totalCount = 0;
99 List m_List = new List();
100 DataTable m_result = getData(reportName, p_Params, p_ReportXmlName);
101 //DataSet m_result = getReportExportData(reportName, p_ReportXmlName, p_Params.Where);
102 if (!m_result.IsEmpty())
103 {
104 m_List = m_result.ToList();
105 }
106 return m_List;
107 }
108
109 #endregion
110
111 #region 前台需要点击排序的时候调用
112 ///
113 /// 要获取数据的XML配置报表名称
114 ///
115 /// 要获取数据的XML配置报表名称
116 /// 报表参数
117 /// 报表XML文件名称
118 /// 数据总数
119 ///
120 private static DataSet getReportDataByPage(string reportName, ReportParams p_Params, string p_ReportXmlName, out int totalCount)
121 {
122 List where = p_Params.Where;
123 int pageSize = p_Params.PageSize;
124 int pageIndex = p_Params.PageIndex;
125 string order = p_Params.Order;
126 string sort = p_Params.Sort;
127 totalCount = 0;
128 if (pageIndex < 1) //不能出现索引页小于1的情况，否则查询语句报错
129 return null;
130 if (where == null)
131 where = new List();
132
133 string reportPath = GetReportPath(p_ReportXmlName); //报表路径
134
135 if (string.IsNullOrEmpty(reportPath))
136 return null;
137
138 string sql = GetSql(reportPath, reportName, where).Trim(); //获取要查询的SQL语句 及其 参数
139 if (string.IsNullOrEmpty(sql))
140 return null;
141
142 string conString = GetConnection(); //获取SQL连接串
143
144 if (string.IsNullOrEmpty(conString))
145 return null;
146 string rowOrder = "";
147 if (!string.IsNullOrEmpty(order))
148 {
149 rowOrder = "order by "+sort+" " + order+ " ";
150 }
151 else
152 {
153 rowOrder = "order by t.Id desc";
154 }
155 int start = pageSize * (pageIndex - 1) + 1;
156 int end = pageSize * pageIndex;
157
158
159 var match = Regex.Match(sql, @"\s+order\s+", RegexOptions.IgnoreCase); //检查语句中是否含有order by
160 string strCount = sql;
161 if (match.Success) //有order by 则舍去order by
162 {
163 strCount = sql.Substring(0, match.Index);
164 if (string.IsNullOrEmpty(order))
165 {
166 rowOrder = sql.Substring(match.Index);
167 }
168
169 sql = ForSql(strCount, rowOrder, start, end); //把order by 加入到rownumber
170 }
171 else
172 {
173 strCount = sql;
174 sql = @" SELECT * FROM ( SELECT Row_Number() OVER ({0}) row, * from ( select * FROM (" + sql + " ) tt) t ) item "
175 + " WHERE item.row BETWEEN " + start + " AND " + end + " ";
176
177 sql = string.Format(sql, rowOrder);
178 }
179 strCount = "select count(0) from (" + strCount + ") item ";
180
181 sql = sql + ";" + strCount;
182 SqlConnection conn = new SqlConnection(conString);
183 SqlCommand cmd = new SqlCommand(sql, conn);
184 //where 替换
185 foreach (var data in where)
186 {
187 cmd.Parameters.Add(new SqlParameter("@" + data.Key, data.Value));
188 }
189 DataSet ds = new DataSet();
190 SqlDataAdapter adp = new SqlDataAdapter(cmd);
191 adp.Fill(ds);
192 conn.Close();
193 totalCount = Convert.ToInt32(ds.Tables[1].Rows[0][0]);
194 return ds;
195 }
196 #endregion
197
198 #region 获取数据，不分页
199 ///
200 /// 获取数据，不分页
201 ///
202 ///
203 ///
204 ///
205 ///
206 ///
207 ///
208 private static DataTable getData(string reportName, ReportParams p_Params, string p_ReportXmlName)
209 {
210
211 var order = p_Params.Order;
212 List where = p_Params.Where;
213 if (where == null)
214 where = new List();
215
216 string reportPath = GetReportPath(p_ReportXmlName); //报表路径
217
218 if (string.IsNullOrEmpty(reportPath))
219 return null;
220 string sql = GetSql(reportPath, reportName, where).Trim(); //获取要查询的SQL语句 及其 参数
221 if (string.IsNullOrEmpty(sql))
222 return null;
223 string conString = GetConnection(); //获取SQL连接串
224
225 if (string.IsNullOrEmpty(conString))
226 return null;
227 string rowOrder = "";
228 if (!string.IsNullOrEmpty(order))
229 {
230 rowOrder = "order by " + order + "";
231 }
232 else
233 {
234 rowOrder = "order by t.Id desc";
235 }
236
237 var match = Regex.Match(sql, @"\s+order\s+", RegexOptions.IgnoreCase); //检查语句中是否含有order by
238 string strCount = sql;
239 if (match.Success) //有order by 则舍去order by
240 {
241 strCount = sql.Substring(0, match.Index);
242 if (string.IsNullOrEmpty(order))
243 {
244 rowOrder = sql.Substring(match.Index);
245 }
246
247 //sql = ForSql(strCount, rowOrder); //把order by 加入到rownumber
248 }
249 else
250 {
251 //strCount = sql;
252 sql = @"select * FROM (" + sql + " )";
253
254 sql = string.Format(sql, rowOrder);
255 }
256
257 //strCount = "select count(0) from (" + strCount + ") item ";
258
259 // sql = sql+";" + strCount;
260 SqlConnection conn = new SqlConnection(conString);
261
262 SqlCommand cmd = new SqlCommand(sql, conn);
263 //where 替换
264 foreach (var data in where)
265 {
266 cmd.Parameters.Add(new SqlParameter("@" + data.Key, data.Value));
267 }
268 DataSet ds = new DataSet();
269
270 SqlDataAdapter adp = new SqlDataAdapter(cmd);
271
272 adp.Fill(ds);
273 conn.Close();
274 //totalCount = Convert.ToInt32(ds.Tables[1].Rows[0][0]);
275 return ds.Tables[0];
276 }
277
278 #endregion
279
280 #region 导出报表
281 ///
282 /// 导出报表
283 ///
284 /// 报表名称
285 /// Xml文件名称
286 /// 条件
287 ///
288 private static DataSet getReportExportData(string reportName, string p_ReportXmlName, List where)
289 {
290 if (where == null)
291 where = new List();
292
293 string reportPath = GetReportPath(p_ReportXmlName); //报表路径
294 if (string.IsNullOrEmpty(reportPath))
295 return null;
296 string reportSql = GetSql(reportPath, reportName, where); //获取要查询的SQL语句 及其 参数
297
298 if (string.IsNullOrEmpty(reportSql))
299 return null;
300
301 string conString = GetConnection(); //获取SQL连接串
302
303 if (string.IsNullOrEmpty(conString))
304 return null;
305 string sql = reportSql;
306 SqlConnection conn = new SqlConnection(conString);
307 SqlCommand cmd = new SqlCommand(sql, conn);
308 //where 替换
309 foreach (var data in where)
310 {
311 cmd.Parameters.Add(new SqlParameter("@" + data.Key, data.Value));
312 }
313 SqlDataAdapter adapter = new SqlDataAdapter(cmd);
314 DataSet ds = new DataSet();
315 adapter.Fill(ds);
316 conn.Close();
317 return ds;
318 }
319 #endregion
320
321 ///
322 ///
323 ///
324 ///
325 ///
326 ///
327 ///
328 ///
329 private static string ForSql(string sql, string order, int start, int end)
330 {
331 var match = Regex.Match(sql, @"[\s+]?SELECT\s+");
332 if (match.Success)
333 {
334 sql = sql.Insert(match.Length, string.Format("Row_Number() OVER ({0}) rowNumber,", order));
335 // sql = string.Format("select Row_Number() OVER ({0}) rowNumber,* from ({1}) t", order, sql);
336 sql = @" SELECT * FROM (" + sql + " ) item "
337 + " WHERE item.rowNumber BETWEEN " + start + " AND " + end + " ";
338
339 }
340 return sql;
341 }
342
343 ///
344 ///
345 ///
346 ///
347 ///
348 ///
349 private static string ForSql(string sql, string order)
350 {
351 var match = Regex.Match(sql, @"[\s+]?SELECT\s+");
352 if (match.Success)
353 {
354 sql = sql.Insert(match.Length, string.Format("Row_Number() OVER ({0}) rowNumber,", order));
355 // sql = string.Format("select Row_Number() OVER ({0}) rowNumber,* from ({1}) t", order, sql);
356 /*sql = @" SELECT * FROM (" + sql + " ) item "
357 + " WHERE item.rowNumber BETWEEN " + start + " AND " + end + " ";*/
358 }
359 return sql;
360 }
361
362 #region 获取连接串
363 ///
364 /// 获取连接串
365 ///
366 ///
367 internal static string GetConnection()
368 {
369 return ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
370 }
371 #endregion
372
373 #region 获取报表路径
374 ///
375 /// 获取报表路径
376 ///
377 ///
378 ///
379 internal static string GetReportPath(string p_ReportXmlName)
380 {
381 string m_BasePath = AppDomain.CurrentDomain.BaseDirectory + "/bin/Resource/ReportXml/";
382 return m_BasePath + p_ReportXmlName + ".xml";
383 }
384 #endregion
385
386 #region 获取Sql语句
387 ///
388 /// 获取Sql语句
389 ///
390 ///
391 ///
392 ///
393 ///
394 internal static string GetSql(string reportPath, string reportName, List where)
395 {
396 var xDoc = XDocument.Load(reportPath); //加载XML报表参数
397
398 //读取XML获取参数字段信息
399 var queryXml = (from q in xDoc.Descendants("report")
400 where q.Attribute("id").Value.Trim().ToLower() == reportName.Trim().ToLower()
401 select q).AsQueryable();
402
403 var querySql = queryXml.Elements("sql").FirstOrDefault(); //查出SQL语句
404 //var m_SqlType = string.Empty;
405 //var querySqlObj = queryXml.Elements("type").FirstOrDefault();
406 //if (m_SqlType != null)
407 //{
408 // m_SqlType = querySqlObj.Value;
409 //}
410
411 #region 语句最后的查询条件
412 if (querySql == null) //如果没配置则返回NULL
413 return null;
414
415 string uperSql = querySql.Value;
416
417 #region 子查询的查询条件
418 var childAttr = queryXml.Elements("childDynamic");
419
420 foreach (var _child in childAttr)
421 {
422 int cIndex = 1;
423 var child = _child.Elements("isNotEmpty");
424 if (child == null)
425 continue;
426 var childEle = _child.Elements("isNotEmpty").ToList();
427
428 //StringBuilder para = new StringBuilder();
429 string c_Param = HandleParam(childEle, where, cIndex);
430 string childEnd = _child.Element("childEnd") == null ? "" : _child.Element("childEnd").Value;
431 if (c_Param.Length == 0)
432 {
433 uperSql = uperSql.Replace(_child.Attribute("property").Value.ToLower(), childEnd);
434 continue;
435 }
436 uperSql = uperSql.Replace(_child.Attribute("property").Value.ToLower(), c_Param.Insert(0, _child.Attribute("prepend").Value + " ") + childEnd);
437 }
438
439 #endregion
440
441 StringBuilder sql = new StringBuilder();
442 var attr = queryXml.Elements("dynamic"); //得到设置类型的查询参数 (获取查询条件)
443 if (attr == null || attr.Elements("isNotEmpty").Count() == 0)
444 return uperSql;
445 sql.Append(uperSql);
446
447 var paraEle = attr.Elements("isNotEmpty").ToList();
448 int index = 1;
449
450 string strPara = HandleParam(paraEle, where, index); //where 参数
451
452 #endregion
453 if (!string.IsNullOrEmpty(strPara))
454 {
455 sql.Append(strPara.Insert(0, attr.Attributes("prepend").Select(q => q.Value).FirstOrDefault() + " "));
456 }
457 var endSql = queryXml.Elements("endSql");
458 if (endSql.FirstOrDefault() != null)
459 {
460 sql.Append(endSql.Select(q => q.Value).FirstOrDefault() + " ");
461 }
462
463 return sql.ToString(); //得到查询的SQL语句,去掉XML里面的多余空格
464
465 }
466 #endregion
467
468 #region 处理所有参数以及Where的值
469 ///
470 /// 处理所有参数以及Where的值
471 ///
472 ///
473 ///
474 ///
475 ///
476 private static string HandleParam(List childEle, List where, int index)
477 {
478 StringBuilder para = new StringBuilder();
479 foreach (var ele in childEle)
480 {
481 if (ele.Attribute("value") != null && ele.Attribute("value").Value.ToLower() == "fixed")
482 {
483 para.Append(" " + GetStr(index, ele.Value, ele.Attribute("prepend").Value));
484 index++;
485 continue;
486 }
487 var ctn = where.Where(q => q.Key.ToString().ToLower() == ele.Attribute("property").Value.ToLower()).FirstOrDefault(); //判断查询条件是否存在
488 if (ctn == null)
489 continue;
490
491 object objType = ele.Attribute("type");
492 string type = string.Empty;
493 if (null != objType)
494 {
495 type = ele.Attribute("type").Value.ToLower();
496 }
497
498 //in条件特殊处理
499 if (type == "in")
500 {
501 string[] inValue = ctn.Value.ToString().Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(n => n).ToArray();
502 string strValue = string.Join(",", inValue);
503
504 List<string> p = new List<string>();
505 for (int i = 0; i < inValue.Count(); i++)
506 {
507 where.Add(new KeyValue { Key = ctn.Key.ToString() + i, Value = inValue[i] });
508 p.Add("@" + ctn.Key + i);
509 }
510
511 if (index == 1)
512 {
513 para.Append(" " + ele.Value.ToLower().Replace("@" + ctn.Key.ToString().ToLower(), string.Join(",", p)));
514 }
515 else
516 {
517 para.Append(" " + ele.Attribute("prepend").Value);
518 para.Append(" " + ele.Value.ToLower().Replace("@" + ctn.Key.ToString().ToLower(), string.Join(",", p)));
519 }
520 where.Remove(ctn);
521 index++;
522 continue;
523 }
524
525 if (type == "like" && (ctn.Value.ToString().Contains("%") || ctn.Value.ToString().Contains("_")))
526 {
527 ctn.Value = ctn.Value.ToString().Replace("%", "[%]").Replace("_", "[_]");
528 para.Append(" " + GetStr(index, ele.Value, ele.Attribute("prepend").Value));
529
530 index++;
531 continue;
532 }
533
534 para.Append(" " + GetStr(index, ele.Value, ele.Attribute("prepend").Value));
535 index++;
536 }
537 return para.ToString();
538 }
539 #endregion
540
541 #region type sql的查询条件，index，where 当1的时候紧跟where后面 strIn in的时候值带入SQL语句,XML中的语句,prepend 语句中的关键字（and ,or ）
542 ///
543 /// type sql的查询条件，index，where 当1的时候紧跟where后面 strIn in的时候值带入SQL语句,XML中的语句,prepend 语句中的关键字（and ,or ）
544 ///
545 ///
546 ///
547 ///
548 ///
549 private static string GetStr(int index, string eleStr, string prepend)
550 {
551 string para = string.Empty;
552 if (index == 1)
553 {
554 return eleStr;
555 }
556 else
557 {
558 return prepend + " " + eleStr;
559 }
560 }
561 #endregion
562
563
564 }
565
566 #region 报表参数
567 ///
568 /// 报表参数
569 ///
570 public class ReportParams
571 {
572 ///
573 /// 过滤条件
574 ///
575 public List Where { get; set; }
576 ///
577 /// 页面大小
578 ///
579 public int PageSize { get; set; }
580 ///
581 /// 页面索引
582 ///
583 public int PageIndex { get; set; }
584 ///
585 /// 排序方式
586 ///
587 public string Order { get; set; }
588 ///
589 /// 排序字段
590 ///
591 public string Sort { get; set; }
592 }
593
594 public class KeyValue
595 {
596 public object Key { get; set; }
597
598 public object Value { get; set; }
599 }
600 #endregion
601 }
