NET-配置文件通用类

 1    public sealed class ConfigHelper
 2    {
 3        /**//// <summary>
 4        /// 得到AppSettings中的配置字符串信息
 5        /// </summary>
 6        /// <param name="key"></param>
 7        /// <returns></returns>
 8        public static string GetConfigString(string key)
 9        {
10            string CacheKey = "AppSettings-" + key;
11            object objModel = LTP.Common.DataCache.GetCache(CacheKey);
12            if (objModel == null)
13            {
14                try
15                {
16                    objModel = ConfigurationManager.AppSettings[key];
17                    if (objModel != null)
18                    {                        
19                        LTP.Common.DataCache.SetCache(CacheKey, objModel, DateTime.Now.AddMinutes(180), TimeSpan.Zero);
20                    }
21                }
22                catch
23                { }
24            }
25            return objModel.ToString();
26        }
27
28        /**//// <summary>
29        /// 得到AppSettings中的配置Bool信息
30        /// </summary>
31        /// <param name="key"></param>
32        /// <returns></returns>
33        public static bool GetConfigBool(string key)
34        {
35            bool result = false;
36            string cfgVal = GetConfigString(key);
37            if(null != cfgVal && string.Empty != cfgVal)
38            {
39                try
40                {
41                    result = bool.Parse(cfgVal);
42                }
43                catch(FormatException)
44                {
45                    // Ignore format exceptions.
46                }
47            }
48            return result;
49        }
50        /**//// <summary>
51        /// 得到AppSettings中的配置Decimal信息
52        /// </summary>
53        /// <param name="key"></param>
54        /// <returns></returns>
55        public static decimal GetConfigDecimal(string key)
56        {
57            decimal result = 0;
58            string cfgVal = GetConfigString(key);
59            if(null != cfgVal && string.Empty != cfgVal)
60            {
61                try
62                {
63                    result = decimal.Parse(cfgVal);
64                }
65                catch(FormatException)
66                {
67                    // Ignore format exceptions.
68                }
69            }
70
71            return result;
72        }
73        /**//// <summary>
74        /// 得到AppSettings中的配置int信息
75        /// </summary>
76        /// <param name="key"></param>
77        /// <returns></returns>
78        public static int GetConfigInt(string key)
79        {
80            int result = 0;
81            string cfgVal = GetConfigString(key);
82            if(null != cfgVal && string.Empty != cfgVal)
83            {
84                try
85                {
86                    result = int.Parse(cfgVal);
87                }
88                catch(FormatException)
89                {
90                    // Ignore format exceptions.
91                }
92            }
93
94            return result;
95        }
96    }
97

来源：https://www.cnblogs.com/homezzm/archive/2009/11/27/1612065.html