using System.IO;
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//读filename到byte[]
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private byte[] ReadFile(string fileName)
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{
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FileStream pFileStream = null;
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byte[] pReadByte = new byte[0];
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try
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{
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pFileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
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BinaryReader r = new BinaryReader(pFileStream);
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r.BaseStream.Seek(0, SeekOrigin.Begin); //将文件指针设置到文件开
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pReadByte = r.ReadBytes((int)r.BaseStream.Length);
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return pReadByte;
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}
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catch
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{
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return pReadByte;
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}
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finally
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![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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if (pFileStream != null)
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pFileStream.Close();
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}
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}
![](/Images/OutliningIndicators/None.gif)
//写byte[]到fileName
![](/Images/OutliningIndicators/None.gif)
private bool writeFile(byte[] pReadByte, string fileName)
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![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
FileStream pFileStream = null;
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/InBlock.gif)
try
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![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
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pFileStream = new FileStream(fileName, FileMode.OpenOrCreate);
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pFileStream.Write(pReadByte, 0, pReadByte.Length);
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/InBlock.gif)
}
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catch
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{
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return false;
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}
![](/Images/OutliningIndicators/InBlock.gif)
finally
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](/Images/OutliningIndicators/InBlock.gif)
if (pFileStream != null)
![](/Images/OutliningIndicators/InBlock.gif)
pFileStream.Close();
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}
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return true;
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}
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测试
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private void button6_Click(object sender, EventArgs e)
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{
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//by 闫磊 Email:Landgis@126.com,yanleigis@21cn.com 2007.11.23
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![](/Images/OutliningIndicators/InBlock.gif)
byte[] b = ReadFile(@"c:\u.jpg");
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if (writeFile(b, @"c:\u1.jpg"))
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{
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MessageBox.Show("成功");
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}
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else
{ MessageBox.Show("失败"); }
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}
![](/Images/OutliningIndicators/None.gif)
![](/Images/OutliningIndicators/None.gif)
![](/skins/gray/images/speech.gif)
posted on
2007-11-30 13:24
wskfire
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