C#.NET 入门之一----建立目录与文本文件

 1using System;
 2using System.IO;
 3using System.Collections;
 4
 5namespace OKEC.Utils.Files
 6{
 7    /**//// <summary>
 8    /// FileUtils 的摘要说明。
 9    /// </summary>
10    public class FileUtils
11    {
12        public FileUtils()
13        {
14            //
15            // TODO: 在此处添加构造函数逻辑
16            //
17        }
18
19        create 存在就更新#region create 存在就更新
20        /**//// <summary>
21        /// 创建文件, 如果文件已经存在, 则更新内容
22        /// </summary>
23        /// <param name="strFileName">文件名</param>
24        /// <param name="strContent">文件内容</param>
25        public static void Create(string strFileName, string strContent)
26        {
27            try
28            {
29                int iIndex = strFileName.LastIndexOf(@"\");
30                if ( iIndex > 0 )
31                {
32                    CreateDirectory( strFileName.Substring(0, iIndex) ); 
33                }
34
35                StreamWriter streamWriter = File.CreateText(strFileName);
36                try
37                {                
38                    streamWriter.Write(strContent);
39                    streamWriter.Flush();                
40                }
41                catch ( Exception except )
42                {
43                    throw new Exception(String.Format("创建文件{0}出错\r\n{1}", strFileName, except.Message));
44                }
45                finally
46                {
47                    streamWriter.Close();
48                }
49            }
50            catch(Exception ex)
51            {
52                Console.WriteLine(ex.Message);
53                //Console.WriteLine(strFileName);
54                //Console.WriteLine(strContent);
55            }
56        }
57        #endregion
58    }
59CreateDirectory#region CreateDirectory
60        /**//// <summary>
61        /// 创建文件夹
62        /// </summary>
63        /// <param name="strDirectoryName">文件夹名</param>
64        public static void CreateDirectory(string strDirectoryName)
65        {
66            try
67            {
68                Directory.CreateDirectory(strDirectoryName);
69            }
70            catch ( Exception except )
71            {
72                throw new System.Exception( String.Format("不能创建文件目录{0},出错为{1}", strDirectoryName, except.Message) );
73            }
74        }
75        #endregion
76
77}