asi上传图片

    UIImage *image = [infoobjectForKey:@"UIImagePickerControllerEditedImage"];

    NSString *documentPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES)objectAtIndex:0];

    documentPath = [documentPath stringByAppendingPathComponent:@"image.png"];

    

    NSData *data =UIImagePNGRepresentation(image);//

    [data writeToFile:documentPath atomically:YES];

 ASIFormDataRequest *request = [ASIFormDataRequestrequestWithURL:[NSURLURLWithString:@"http://txxxxxxxxxxx"]];    

    request.requestMethod = @"POST";//设置请求方式

    [request addPostValue:[[NSUserDefaultsstandardUserDefaults]objectForKey:@"True_userid"]forKey:@"userid"];

    [request addFile:documentPath forKey:@"photo"];

    

    [request setCompletionBlock:^{

        NSLog(@"------草泥马%@",request.responseString);

    }];

    

    [request setFailedBlock:^{

        NSLog(@"asi error: %@",request.error.debugDescription);

    }];

    

    [request startAsynchronous];

反反复复，成功上传了，真是草泥马