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我想使用这段代码将图像文件发送到 php 服务器

-(void)saveImageToServer
{
    NSData *dataImage = UIImageJPEGRepresentation([arrImage objectAtIndex:0], 0.8f);   
    NSString *urlString = @"http://myurl:8002/FileService/REST/UploadFile?fileName=file.png";
    NSString *filename = @"test";
    NSMutableURLRequest* request= [[[NSMutableURLRequest alloc] init] autorelease];
    [request setURL:[NSURL URLWithString:urlString]];
    [request setHTTPMethod:@"POST"];
    NSString *boundary = @"---------------------------14737809831466499882746641449";
    NSString *contentType = [NSString stringWithFormat:@"multipart/form-data; boundary=%@",boundary];
    [request addValue:contentType forHTTPHeaderField: @"Content-Type"];   
    NSMutableData *postbody = [NSMutableData data];
    [postbody appendData:[[NSString stringWithFormat:@"\r\n--%@\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [postbody appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"image\"; filename=\"%@.png\"\r\n", filename] dataUsingEncoding:NSUTF8StringEncoding]];
    [postbody appendData:[[NSString stringWithString:@"Content-Type: application/octet-stream\r\n\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
    [postbody appendData:[NSData dataWithData:dataImage]];
    [postbody appendData:[[NSString stringWithFormat:@"\r\n--%@--\r\n",boundary] dataUsingEncoding:NSUTF8StringEncoding]];
    [request setHTTPBody:postbody];
    NSData *returnData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
    NSString* returnString = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding];
    NSLog(@"test %@",returnString);
}

但我在服务器上收到的是什么

"

-----------------------------14737809831466499882746641449 内容处置：表单数据；名称=“图像”；文件名="test.png" 内容类型：应用程序/八位字节流

ˇÿˇ‡" 知道我犯了什么错误

4

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