WinForms 获取文件夹的基本信息 

  1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Windows.Forms;
  9 using System.IO;
 10 
 11 namespace WindowsFormsApplication4
 12 {
 13     public partial class Form1 : Form
 14     {
 15         public Form1()
 16         {
 17             InitializeComponent();
 18         }
 19 
 20         private static string directory_path = "D:\\qs250";
 21         private static string directory_otherpath = "D:\\qqqq";
 22         /// <summary>
 23         /// 创建目录
 24         /// </summary>
 25         /// <param name="sender"></param>
 26         /// <param name="e"></param>
 27         private void button1_Click(object sender, EventArgs e)
 28         {
 29             try
 30             {
 31                 Directory.CreateDirectory(directory_path);
 32                 button1.Enabled = false;  //点击按钮后，此按钮即为灰色；
 33                 button2.Enabled = true;
 34                 button3.Enabled = true;
 35                 button4.Enabled = true;
 36                 button5.Enabled = true;
 37                 MessageBox.Show("文件夹创建成功！","警报！");
 38             }
 39             catch (Exception em)
 40             {
 41                 
 42                 MessageBox.Show("磁盘操作错误，原因：" + Convert.ToString(em),"警报");
 43             }
 44         }
 45         /// <summary>
 46         /// 删除目录
 47         /// </summary>
 48         /// <param name="sender"></param>
 49         /// <param name="e"></param>
 50         private void button2_Click(object sender, EventArgs e)
 51         {
 52             try
 53             {
 54                 Directory.Delete(directory_path);
 55                 button1.Enabled = true;
 56                 button2.Enabled = false;
 57                 button3.Enabled = false;
 58                 button4.Enabled = false;
 59                 button5.Enabled = false;
 60                 MessageBox.Show("文件夹删除成功！", "警报！");
 61             }
 62             catch (Exception em)
 63             {
 64 
 65                 MessageBox.Show("磁盘操作错误，原因：" + Convert.ToString(em), "警报");
 66             }
 67         }
 68         /// <summary>
 69         /// 移动目录
 70         /// </summary>
 71         /// <param name="sender"></param>
 72         /// <param name="e"></param>
 73         private void button3_Click(object sender, EventArgs e)
 74         {
 75             try
 76             {
 77                 Directory.Move(directory_path,directory_otherpath);
 78                 MessageBox.Show("文件夹移动成功！", "警报！");
 79             }
 80             catch (Exception em)
 81             {
 82 
 83                 MessageBox.Show("磁盘操作错误，原因：" + Convert.ToString(em), "警报");
 84             }
 85         }
 86         /// <summary>
 87         /// 目录创建时间
 88         /// </summary>
 89         /// <param name="sender"></param>
 90         /// <param name="e"></param>
 91         private void button4_Click(object sender, EventArgs e)
 92         {
 93             try
 94             {
 95                 
 96                 MessageBox.Show(string.Format("{0:G}",Directory.GetCreationTime(directory_path)), "提示！");
 97             }
 98             catch (Exception em)
 99             {
100 
101                 MessageBox.Show("磁盘操作错误，原因：" + Convert.ToString(em), "警报");
102             }
103         }
104         /// <summary>
105         /// 返回指定目录
106         /// </summary>
107         /// <param name="sender"></param>
108         /// <param name="e"></param>
109         private void button5_Click(object sender, EventArgs e)
110         {
111             try
112             {
113                 string[] fileEntries = Directory.GetFiles(directory_path);
114                 if (fileEntries.Length != 0)
115                 {
116                     foreach (var s in fileEntries)
117                     {
118                         if (File.Exists(s))
119                         {
120                             MessageBox.Show("内有文件信息：" + s, "提示！");
121                         }
122                         else
123                         {
124                             MessageBox.Show("空文件夹", "提示！");
125                         }
126                     }
127                 }
128             }
129             catch(Exception em)
130             {
131                 MessageBox.Show("磁盘操作错误，原因：" + Convert.ToString(em), "警报");
132             }
133         }
134     }
135 }

必须要亲自动手写代码才能有切身的理解与体会！

posted @ 2020-10-11 22:51  chenlight  阅读(110)  评论(0)    收藏  举报