U盘是否插入+导入导出文件

  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 EnergyCollector.Frame;
 10 using System.IO;
 11 
 12 namespace EnergyCollector.Winform
 13 {
 14     public partial class FrmImExConfigFile : BackGroundForm
 15     {
 16         public const int WM_DEVICECHANGE = 0x219;
 17         public const int DBT_DEVICEARRIVAL = 0x8000;
 18         public const int DBT_CONFIGCHANGECANCELED = 0x0019;
 19         public const int DBT_CONFIGCHANGED = 0x0018;
 20         public const int DBT_CUSTOMEVENT = 0x8006;
 21         public const int DBT_DEVICEQUERYREMOVE = 0x8001;
 22         public const int DBT_DEVICEQUERYREMOVEFAILED = 0x8002;
 23         public const int DBT_DEVICEREMOVECOMPLETE = 0x8004;
 24         public const int DBT_DEVICEREMOVEPENDING = 0x8003;
 25         public const int DBT_DEVICETYPESPECIFIC = 0x8005;
 26         public const int DBT_DEVNODES_CHANGED = 0x0007;
 27         public const int DBT_QUERYCHANGECONFIG = 0x0017;
 28         public const int DBT_USERDEFINED = 0xFFFF;
 29         /// <summary>
 30         /// 盘符
 31         /// </summary>
 32         private string driveName;
 33 
 34         public FrmImExConfigFile()
 35         {
 36             InitializeComponent();
 37         }
 38 
 39         protected override void WndProc(ref Message m)
 40         {
 41             try
 42             {
 43                 if (m.Msg == WM_DEVICECHANGE)
 44                 {
 45                     switch (m.WParam.ToInt32())
 46                     {
 47                         case WM_DEVICECHANGE://
 48                             break;
 49                         case DBT_DEVICEARRIVAL://U盘插入
 50                             DriveInfo[] s = DriveInfo.GetDrives();
 51                             foreach (DriveInfo drive in s)
 52                             {
 53                                 if (drive.DriveType == DriveType.Removable)
 54                                 {
 55                                     richTextBox1.AppendText("U盘已插入! \r\n");
 56                                     richTextBox1.AppendText("-----------\r\n");
 57                                     driveName = drive.Name;
 58                                     kbExport.Enabled = true;
 59                                     kbImport.Enabled = true;
 60                                     break;
 61                                 }
 62                             }
 63                             break;
 64                         case DBT_CONFIGCHANGECANCELED:
 65                             richTextBox1.AppendText("2\r\n");
 66                             break;
 67                         case DBT_CONFIGCHANGED:
 68                             richTextBox1.AppendText("3\r\n");
 69                             break;
 70                         case DBT_CUSTOMEVENT:
 71                             richTextBox1.AppendText("4\r\n");
 72                             break;
 73                         case DBT_DEVICEQUERYREMOVE:
 74                             richTextBox1.AppendText("5\r\n");
 75                             break;
 76                         case DBT_DEVICEQUERYREMOVEFAILED:
 77                             richTextBox1.AppendText("6\r\n");
 78                             break;
 79                         case DBT_DEVICEREMOVECOMPLETE: //U盘卸载
 80                             richTextBox1.AppendText("U盘已卸载! \r\n");
 81                             richTextBox1.AppendText("-----------\r\n");
 82                             kbExport.Enabled = false;
 83                             kbImport.Enabled = false;
 84                             break;
 85                         case DBT_DEVICEREMOVEPENDING:
 86                             richTextBox1.AppendText("7\r\n");
 87                             break;
 88                         case DBT_DEVICETYPESPECIFIC:
 89                             richTextBox1.AppendText("8\r\n");
 90                             break;
 91                         case DBT_DEVNODES_CHANGED://可用，设备变化时
 92                             //richTextBox1.AppendText("9\r\n");
 93                             break;
 94                         case DBT_QUERYCHANGECONFIG:
 95                             richTextBox1.AppendText("10\r\n");
 96                             break;
 97                         case DBT_USERDEFINED:
 98                             richTextBox1.AppendText("11\r\n");
 99                             break;
100                         default:
101                             break;
102                     }
103                 }
104             }
105             catch (Exception ex)
106             {
107                 richTextBox1.AppendText(ex.Message);
108             }
109             base.WndProc(ref m);
110         }
111         /// <summary>
112         /// 加载
113         /// </summary>
114         /// <param name="sender"></param>
115         /// <param name="e"></param>
116         private void FrmImExConfigFile_Load(object sender, EventArgs e)
117         {
118             kbExport.Enabled = false;
119             kbImport.Enabled = false;
120             richTextBox1.AppendText("请插入U盘! \r\n"); 
121             richTextBox1.AppendText("-----------\r\n");
122         }
123         /// <summary>
124         /// 导出配置文件
125         /// </summary>
126         /// <param name="sender"></param>
127         /// <param name="e"></param>
128         private void kbExport_Click(object sender, EventArgs e)
129         {
130             //程序路径
131             string localPath = System.Environment.CurrentDirectory + "\\ConfigFiles";
132             //目标路径
133             string targetPath = driveName + "ConfigFiles";
134             //判断路径是否存在
135             if (!Directory.Exists(localPath))
136             {
137                 richTextBox1.AppendText("配置目录不存在!\r\n");
138                 return;
139             }
140             if (!Directory.Exists(driveName))
141             {
142                 richTextBox1.AppendText("U盘不存在!\r\n");
143                 return;
144             }
145             //实例化
146             DirectoryInfo dirLocal = new DirectoryInfo(localPath);
147             DirectoryInfo dirTarget = new DirectoryInfo(targetPath);
148             //判断目标路径是否存在
149             if (!Directory.Exists(targetPath))
150             {
151                 Directory.CreateDirectory(targetPath);
152             }
153             //删除历史文件
154             if (dirTarget.GetFiles().Length > 0)
155             {
156                 richTextBox1.AppendText("正在删除U盘历史文件");
157                 foreach (FileInfo file in dirTarget.GetFiles())
158                 {
159                     file.Delete();
160                     richTextBox1.AppendText(".");
161                 }
162             }
163             richTextBox1.AppendText("\r\n");
164             //复制配置文件
165             richTextBox1.AppendText("正在导出配置文件到U盘");
166             foreach (FileInfo file in dirLocal.GetFiles())
167             {
168                 string fileNew = targetPath + "\\" + file.Name;
169                 file.CopyTo(fileNew, true);
170                 richTextBox1.AppendText(".");
171             }
172             richTextBox1.AppendText("\r\n");
173             richTextBox1.AppendText("导出完成!\r\n");
174             richTextBox1.AppendText("-----------\r\n");
175         }
176         /// <summary>
177         /// 导入配置文件
178         /// </summary>
179         /// <param name="sender"></param>
180         /// <param name="e"></param>
181         private void kbImport_Click(object sender, EventArgs e)
182         {
183             //程序路径
184             string localPath = System.Environment.CurrentDirectory + "\\ConfigFiles";
185             //目标路径
186             string targetPath = driveName + "ConfigFiles";
187             //判断路径是否存在
188             if (!Directory.Exists(localPath))
189             {
190                 richTextBox1.AppendText("配置目录不存在!\r\n");
191                 return;
192             }
193             if (!Directory.Exists(driveName))
194             {
195                 richTextBox1.AppendText("U盘不存在!\r\n");
196                 return;
197             }
198             //实例化
199             DirectoryInfo dirLocal = new DirectoryInfo(localPath);
200             DirectoryInfo dirTarget = new DirectoryInfo(targetPath);
201             //判断目标路径是否存在
202             if (!Directory.Exists(targetPath))
203             {
204                 Directory.CreateDirectory(targetPath);
205             }
206             if (dirTarget.GetFiles().Length > 0)
207             {
208                 //删除历史文件
209                 if (dirLocal.GetFiles().Length > 0)
210                 {
211                     richTextBox1.AppendText("正在删除本地配置");
212                     foreach (FileInfo file in dirLocal.GetFiles())
213                     {
214                         file.Delete();
215                         richTextBox1.AppendText(".");
216                     }
217                 }
218                 richTextBox1.AppendText("\r\n");
219                 //复制配置文件
220                 richTextBox1.AppendText("正在导入配置文件到本机");
221                 foreach (FileInfo file in dirTarget.GetFiles())
222                 {
223                     string fileNew = dirLocal + "\\" + file.Name;
224                     file.CopyTo(fileNew, true);
225                     richTextBox1.AppendText(".");
226                 }
227                 richTextBox1.AppendText("\r\n");
228                 richTextBox1.AppendText("导入完成!\r\n");
229             }
230             else
231             {
232                 richTextBox1.AppendText("U盘配置文件为空，请检查配置文件!\r\n");
233             }
234             richTextBox1.AppendText("-----------\r\n");
235            
236         }
237 
238         private void kbClearMsg_Click(object sender, EventArgs e)
239         {
240             richTextBox1.Clear();
241         }
242 
243         private void keyButtonCancel_Click(object sender, EventArgs e)
244         {
245             this.Close();
246         }
247 
248         
249     }
250 }