1using System;
 2using System.Configuration;
 3using System.Collections;
 4using System.Collections.Generic;
 5using System.Text;
 6
 7namespace SQLServerDAL
 8...{
 9    /**//// <summary>
10    /// 字符串处理类
11    /// </summary>
12    public class FomatString
13    ...{
14        字符串截取函数#region 字符串截取函数
15        /**//// <summary>
16        /// 截取字符串方法
17        /// </summary>
18        /// <param name="inputString">要截取的原字符串</param>
19        /// <param name="len">要截取的长度</param>
20        /// <returns>截取后的字符串</returns>
21        public string CutString(string inputString, int len)
22        ...{
23            ASCIIEncoding ascii = new ASCIIEncoding();
24            int tempLen = 0;
25            string tempString = "";
26            byte[] s = ascii.GetBytes(inputString);
27            for (int i = 0; i < s.Length; i++)
28            ...{
29                if ((int)s[i] == 63)
30                ...{
31                    tempLen += 2;
32                }
33                else
34                ...{
35                    tempLen += 1;
36                }
37
38                try
39                ...{
40                    tempString += inputString.Substring(i, 1);
41                }
42                catch
43                ...{
44                    break;
45                }
46
47                if (tempLen > len)
48                    break;
49            }
50            //如果截过则加上半个省略号
51            byte[] mybyte = System.Text.Encoding.Default.GetBytes(inputString);
52            if (mybyte.Length > len)
53                tempString += "…";
54
55
56            return tempString;
57        }
58        #endregion
59    }
60}