彩信上行接收到图片，铃声等附件怎么还原?高分酬谢

qiri07 2007-03-08 04:49:56

已经保存成文件，但打开不对

--SubPart_1_5098_71736
Content-Type:image/jpeg
Content-ID:<4972.jpg>
Content-Location:4972.jpg

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--SubPart_1_5098_71736
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Content-ID:<8442.amr>
Content-Location:8442.amr

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listme 2007-03-12

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你用 byte 接收，用 byte写文件，不要用 utf8转换，就可以

listme 2007-03-12

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...

qiri07 2007-03-12

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Jakio 2007-03-09

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彩信一般是base64编码过的，直接将内容读出来肯定不对，需要进行解码

qiri07 2007-03-09

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不是输出到网页

qiri07 2007-03-09

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我是接收到包后，分解开附件中的 jpg 段，用 BinaryWriter(byte[],index,length) 写成了 1.jpg ,现在这个 1.jpg 从服务器上直接打，打不开。

hdj_05 2007-03-09

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string strcontent=...;
byte[] content=MMS_Code.binDeCode(strcontent);
Page.Response.ContentType =ContentType;
Page.Response.OutputStream.Write((byte[])content, 0, (int)content.Length);

qiri07 2007-03-09

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显示图片.

hdj_05 2007-03-09

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你现在是要显示图片呢，还是直接下行？？如果是直接下行的话不用修改了，如果要直接显示图片的话用上面的代码可以输出就可以显示图片了应该，我这里是这样直接显示了的

qiri07 2007-03-09

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这段程序用到接收到上行包后写入jpg文件前，还是生成jpg文件后，再解码？

qiri07 2007-03-09

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谢谢楼上，我先试验一下look look

hdj_05 2007-03-09

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你可以试试这个，这个是我以前的解码程序
//解码
public static byte[] binDeCode(string s)
{
byte[] arrByte = new byte[s.Length / 2];
uint index = 0;
for(int i = 0; i < s.Length-1; i += 2)
{
arrByte[index++] = Convert.ToByte(s.Substring(i,2),16);
}
return arrByte;
}

qiri07 2007-03-09