把一张图片 转成二进制流 用AFNetworking POST 上传到服务器.

把一张图片 转成二进制流 用AFNetworking POST 上传到服务器.

AFHTTPRequestOperationManager *manager = [[AFHTTPRequestOperationManager alloc] initWithBaseURL:[NSURL URLWithString:BaseUrl]];

manager.responseSerializer = [AFJSONResponseSerializer serializer];

manager.requestSerializer.timeoutInterval = TimeoutInterval;

[manager POST:Request_updateCompanyInfo parameters:paramDict constructingBodyWithBlock:^(id<AFMultipartFormData>
formData) {

NSData *data=UIImagePNGRepresentation(_userImage);

NSDateFormatter *formatter = [[NSDateFormatter alloc] init];

// 设置时间格式

formatter.dateFormat = @"yyyyMMddHHmmss";

NSString *str = [formatter stringFromDate:[NSDate date]];

NSString *fileName = [NSString stringWithFormat:@"%@.png", str];

[formData appendPartWithFileData:data name:@"logo_img" fileName:fileName mimeType:@"image/png"];

} success:^(AFHTTPRequestOperation *operation, id responseObject) {

[super stopLoadingCompletedWithMessage:@"提交成功"];

[self.navigationController popViewControllerAnimated:YES];

} failure:^(AFHTTPRequestOperation *operation, NSError *error) {

}];