1       /**//// <summary>
 2       /// 返回包含中文字符的字符串长度。
 3        /// C# 的string.Length中中文字只做1位统计,所以要将其转换为2位
 4        /// </summary>       
 5        /// <param name="strSource">要统计长度的字符串变量</param>
 6        /// <returns>字符串长度</returns>
 7        public static int GetLength(string strSource)
 8        {
 9            return Encoding.GetEncoding("GB2312").GetBytes(strSource).Length;
10        } 
11        /**//// <summary>
12        /// 左对齐字符串
13         /// <remarks>
14        /// 如原始字符串不满足参数<paramref name="length"/>指定的长度则在<paramref name="objectString"/>指定的原始字符串后补'~'
15        /// </remarks>
16        /// </summary>
17        /// <param name="objectString">原始字符串</param>
18        /// <param name="length">左对齐后的字符串长度</param>
19        /// <returns>左对齐后的字符串</returns>
20        /// <example>
21        /// 如调用方式为PadRightString("123",5);
22        /// 则返回值为"123~~"
23        /// </example>
24        /// <exception cref="InvalidTelegraphStringLengthException">
25        /// 当参数<paramref name="objectString"/>的长度超出参数<paramref name="length"/>指定的值时抛出
26        /// </exception>
27        public static string PadRightString(string objectString, int length)
28        {
29            //原始字符串长度，中文字符按2位计
30            int objectStringLength = GetLength(objectString);
31            if (objectString == null || objectStringLength > length)
32            {
33                throw new InvalidTelegraphStringLengthException();
34            }
35            else
36            {
37                //需自动填充的长度
38                int suffixLength = length - objectStringLength;
39                string sunffix = string.Empty;
40                //不足位数补"~"
41                for (int i = 0; i < suffixLength; i++)
42                {
43                    sunffix += "~";
44                }
45                return objectString + sunffix;
46            }
47        } 
48    /**//// <summary>
49    /// 获取父页面URL的参数对应值
50    /// </summary>
51    /// <returns></returns>
52    protected Dictionary<string, string> GetParentQueryString()
53    {
54        Dictionary<string, string> dic = new Dictionary<string, string>();
55        string strParams = Request.UrlReferrer.Query;
56        if (!string.IsNullOrEmpty(strParams))
57        {
58            string[] queryParams = strParams.Substring(1).Split(new char[] { '&' });
59            for (int i = 0; i < queryParams.Length; i++)
60            {
61                dic.Add(queryParams[i].Split(new char[] { '=' })[0], queryParams[i].Split(new char[] { '=' })[1]);
62            }            
63        }
64        return dic;
65    }