asp.net高亮显示搜索关键字的两个方法

方法一、完成查找关键字字体高亮显示 string serkeys(string , string)#region 方法一、完成查找关键字字体高亮显示 string serkeys(string , string)

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1. /**//// <summary>
2. /// 完成查找关键字字体高亮显示
3. /// </summary>
4. /// <span name="str" class="mceItemParam"></span>字符串</param>
5. /// <span name="sqlkey" class="mceItemParam"></span>字符串关键词</param>
6. /// <returns>返回字符串</returns>
7. public static string serkeys(string str,string sqlkey)
8. {
9. //sqlstr 待查找的关键字
10. //str 已经查找到带有关键字的字符串
11. int len=sqlkey.Length;
12. int len1=str.Length;
13. string onesqlstr,rproname="";
14. rproname=str;
15. //去掉关键字头和尾的空格，及将关键词
16. sqlkey=sqlkey.Trim();
17. if (sqlkey.IndexOf(" ")>0)
18. {
19. string [] kewArray=sqlkey.Split(' ');
20. rproname=str;
21. if (kewArray.Length>0)
22. {
23. for(int i=0;i<=kewArray.Length-1;i++)
24. {
25. onesqlstr =kewArray[i];
26. if(onesqlstr!="" && onesqlstr!=null)
27. {
28. if( str.IndexOf(onesqlstr)>=0)
29. rproname = rproname.Replace(onesqlstr,"<span mce_>"+onesqlstr+"</span>");
30. }
31. }
32. }
33. }
34. else
35. {
36. onesqlstr=sqlkey;
37. if( str.IndexOf(onesqlstr)>=0)
38. rproname = rproname.Replace(onesqlstr,"<span mce_>"+onesqlstr+"</span>");
39. }
40. return rproname;
41. }

方法二、完成查找关键字字体高亮显示，精确到每个字符#region 方法二、完成查找关键字字体高亮显示，精确到每个字符

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1. /**//// <summary>
2. /// 完成查找关键字字体高亮显示，精确到每个字符
3. /// </summary>
4. /// <span name="str" class="mceItemParam"></span>字符串</param>
5. /// <span name="sqlkey" class="mceItemParam"></span>字符串关键词</param>
6. /// <returns>返回字符串</returns>
7. public static string serkeys_char(string str,string sqlkey)
8. {
9. //sqlstr 待查找的关键字
10. //str 已经查找到带有关键字的字符串
11. int len=sqlkey.Length;
12. int len1=str.Length;
13. string onesqlstr,pproname,rproname="";
14. string [] memo= new string[len1];
15. for(int j=0;j<=len1-1;j++)
16. {
17. onesqlstr=sqlkey;
18. pproname=str.Substring(j,1);
19. if (onesqlstr.ToLower().IndexOf(pproname.ToLower())>=0)
20. {
21. memo[j]="<span mce_>"+pproname+"</span>";
22. }
23. else
24. {
25. memo[j]=pproname;
26. }
27. }
28. for(int i=0;i<=memo.Length-1;i++)
29. {
30. rproname+=memo[i];
31. }
32. return rproname;
33. }

本文来自：http://www.oseye.net/blog/JustCool/show/97