创建合同

NSString *httpUrl = @"https://api-v2.1dq.com/v5/Contracts/create.json";
NSString *httpArg = @"easy_id=175592531139104768&file_id=signed-ce5858499044c9b8fbbaa272754c145a-108d9e29-0001&name=项目合同协议&signed_data=175592531139104768, 175592531139104768&attachment=[ { "file_id" : "signed-efb2124360fb5f8b109220e27f99ae35-73ff845c-0006", "file_name" : "附件1" }, { "file_id" : "signed-efb2124360fb5f8b109220e27f99ae35-73ff845c-0006", "file_name" : "附件2" } ]&ca_type=1&channel=api©_custom_user=[
    {
        "sign_role":"甲方",
        "sign_name":"姓名",
        "sign_number":"电话",
        "sign_company":"选填项，公司名",
        "sign_seal_hand":1,
        "sign_seal_tpl":1,
        "sign_class":1
    }
]©_data=&deposit_certificate_type=1&file_end_date=¬ice_signed=&pdf_password=&sign_end_date=&signed_custom_user=[
    {
        "sign_role":"甲方",
        "sign_name":"姓名",
        "sign_number":"电话",
        "sign_company":"选填项，公司名",
        "seal_require":["印章要求"],
        "sign_class":1
    }
]&tpl_data={
    "自定义参数": "需要替换的内容1",
    "自定义参数2": "需要替换的内容2"
}&tpl_id=";
[self request: httpUrl withHttpArg: httpArg];

-(void)request: (NSString*)httpUrl withHttpArg: (NSString*)HttpArg  {
    NSString *urlStr = [[NSString alloc]initWithFormat: @"%@?%@", httpUrl, HttpArg];
    NSURL *url = [NSURL URLWithString: urlStr];
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc]initWithURL: url cachePolicy: NSURLRequestUseProtocolCachePolicy timeoutInterval: 10];
    [request setHTTPMethod: @"GET"];
    [NSURLConnection sendAsynchronousRequest: request
        queue: [NSOperationQueue mainQueue]
        completionHandler: ^(NSURLResponse *response, NSData *data, NSError *error){
            if (error) {
                NSLog(@"Httperror: %@%ld", error.localizedDescription, error.code);
            } else {
                NSInteger responseCode = [(NSHTTPURLResponse *)response statusCode];
                NSString *responseString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
                NSLog(@"HttpResponseCode:%ld", responseCode);
                NSLog(@"HttpResponseBody %@",responseString);
            }
        }];
}