post 上传

#pragma mark - - 发送数据

//  发送数据

- (void)sendData:(NSDictionary *)dic {

// 1.创建请求

// www.ZXWQWZ.com  域名

NSString *zxwqwz = @"UploadFreeManual";

NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@%@", BASE_URL, zxwqwz]];

NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];

request.HTTPMethod = @"POST";

// 2.设置请求头

[request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];

// 3.设置请求体

NSDictionary *json = dic;

/*

NSDictionary *json = @{

@"order_id" : @"123",

@"user_id" : @"789",

@"shop" : @"Toll"

};*/

//    NSData --> NSDictionary

// NSDictionary --> NSData

NSData *data = [NSJSONSerialization dataWithJSONObject:json options:NSJSONWritingPrettyPrinted error:nil];

request.HTTPBody = data;

// 4.发送请求

[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {

NSLog(@" 服务器返回的数据： %@", data);

NSDictionary *dict = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil];

NSLog(@" ======= %@", dict);

NSString *success = dict[@"retcode"];

if ([success isEqualToString:@"2000"]) {

NSString *str = dict[@"msg"];

NSLog(@" 成功： %@", str);

}else {

NSLog(@" 问题来了 ");

// 所有的错误信息 都进来 把本次的录制保存一份 存储

}

}];

}