.net操作系统文件（ini与dat）的帮助类

View Code
  1 using System;
  2 using System.Text;
  3 using System.Runtime.InteropServices;
  4 using System.Diagnostics;
  5 
  6 using System.IO;
  7 using System.Data;
  8 
  9 /// <summary>
 10 /// edit by: 201206.14.1535
 11 /// </summary>
 12 public class Ini
 13 {
 14     /// <summary>
 15     /// 读
 16     /// </summary>
 17     /// <param name="section">INI文件中的段落名称</param>
 18     /// <param name="key">INI文件中的关键字</param>
 19     /// <param name="def">无法读取时候时候的缺省数值</param>
 20     /// <param name="retVal">读取数值</param>
 21     /// <param name="size">数值的大小</param>
 22     /// <param name="filePath">INI文件的完整路径和名称</param>
 23     /// <returns></returns>
 24     [DllImport("kernel32")]
 25     private static extern int GetPrivateProfileString(String section, String key, String def, StringBuilder retVal, int size, String filePath);
 26     /// <summary>
 27     /// 写
 28     /// </summary>
 29     /// <param name="section">INI文件中的段落</param>
 30     /// <param name="key">INI文件中的关键字</param>
 31     /// <param name="val">INI文件中关键字的数值</param>
 32     /// <param name="filePath">INI文件的完整的路径和名称</param>
 33     /// <returns></returns>
 34     [DllImport("kernel32")]
 35     private static extern long WritePrivateProfileString(String section, String key, String val, String filePath);
 36 
 37     public Ini() { }
 38 
 39     /// <summary>
 40     /// 构造方法
 41     /// </summary>
 42     /// <param name="INIPath">文件路径</param>
 43     public Ini(string Path)
 44     {
 45         Ini.Path = Path;
 46     }
 47 
 48     #region 类的对象
 49     private static string Path = "";
 50 
 51     /// <summary>
 52     /// 读
 53     /// </summary>
 54     /// <param name="section">项目名称(如 [TypeName] )</param>
 55     /// <param name="key">键</param>
 56     /// <returns></returns>
 57     public string get_value(String section, String key)
 58     {
 59         string result = "";
 60         try
 61         {
 62             result = Ini.get_value(section, key, Path);
 63         }
 64         catch (Exception ex)
 65         {
 66         }
 67         return result;
 68     }
 69     /// <summary>
 70     /// 写
 71     /// </summary>
 72     /// <param name="section">项目名称(如 [TypeName] )</param>
 73     /// <param name="key">键</param>
 74     /// <param name="val">值</param>
 75     /// <returns></returns>
 76     public bool set_value(String section, String key, String val)
 77     {
 78         bool resultFlag = false;
 79         try
 80         {
 81             resultFlag = Ini.set_value(section, key, val, Path);
 82         }
 83         catch (Exception ex)
 84         {
 85         }
 86         return resultFlag;
 87     }
 88 
 89     #endregion
 90 
 91     #region 类 静态
 92     /// <summary>
 93     /// 功能: 获取节点的值
 94     /// </summary>
 95     /// <param name="section">项目名称(如 [TypeName] )</param>
 96     /// <param name="key">键</param>
 97     /// <param name="file"></param>
 98     /// <returns></returns>
 99     public static String get_value(String section, String key, string file)
100     {
101         StringBuilder builder = new StringBuilder(1024);
102         try
103         {
104             GetPrivateProfileString(section, key, "", builder, 1024, file);
105             if (builder.ToString() == "")
106             {
107                 set_value(section, key, "", file);
108             }
109         }
110         catch (Exception ex)
111         {
112         }
113         return builder.ToString();
114     }
115 
116     /// <summary>
117     /// 功能: 给节点赋值
118     /// </summary>
119     /// <param name="section">项目名称(如 [TypeName] )</param>
120     /// <param name="key">键</param>
121     /// <param name="val">值</param>
122     /// <param name="file"></param>
123     /// <returns></returns>
124     public static bool set_value(String section, String key, String val, string file)
125     {
126         try
127         {
128             WritePrivateProfileString(section, key, val, file);
129             return true;
130         }
131         catch (Exception ex)
132         {
133             return false;
134         }
135     }
136     #endregion
137 
138     /// <summary>
139     /// 创建INI配置文件
140     /// </summary>
141     /// <param name="fileName">ini配置文件名称</param>
142     /// <returns>返回一个状态值 100成功创建 200创建失败</returns>
143     public static string CreateIni(string fileName)
144     {
145         try
146         {
147             if (!Directory.Exists(Path))
148             {
149                 Directory.CreateDirectory(Path);
150             }
151             string filePath = Path + "\\" + fileName;
152 
153             if (File.Exists(filePath))
154             {
155                 File.Delete(filePath);
156             }
157             File.Create(filePath).Close();
158             return "100";//成功创建
159         }
160         catch (Exception ex)
161         {
162             //LogHelper.WriteLogError(ex.ToString());
163             return "200";//创建失败
164         }
165     }
166 
167     /// <summary>
168     /// 验证文件是否存在
169     /// </summary>
170     /// <returns>布尔值</returns>
171     public static bool ExistINIFile()
172     {
173         return File.Exists(Path);
174     }
175 }
注：需要给文件赋予用户角色权限