1using System;
 2
 3namespace MyBookShop.BusinessLogicHelper
 4...{
 5    /**//// <summary>
 6    /// 数据验证功能类,提供了一系列验证数据的静态方法
 7    /// </summary>
 8    public class ValidateUtility
 9    ...{
10        验证数据类型#region 验证数据类型
11        /**//// <summary>
12        /// 验证一个变量能否转换为字符串类型
13        /// </summary>
14        /// <param name="val">待验证变量</param>
15        /// <returns>如果能,返回true;否则,返回false</returns>
16        public static bool IsString(object val)
17        ...{
18            try
19            ...{
20                Convert.ToString(val);
21                return true;
22            }
23            catch
24            ...{
25                return false;
26            }
27        }
28
29        public static bool IsDouble(object val)
30        ...{
31            try
32            ...{
33                Convert.ToDouble(val);
34                return true;
35            }
36            catch
37            ...{
38                return false;
39            }
40        }
41        public static bool IsInt(object val)
42        ...{
43            try
44            ...{
45                Convert.ToInt32(val);
46                return true;
47            }
48            catch
49            ...{
50                return false;
51            }
52        }
53        public static bool IsDateTime(object val)
54        ...{
55            try
56            ...{
57                Convert.ToDateTime(val);
58                return true;
59            }
60            catch
61            ...{
62                return false;
63            }
64        }
65
66        #endregion 验证数据类型
67
68    }
69}
70