网络请求异步请求查询手机归属地

{

UITextField *fi;

UITextView *vi;

}

#define  MAK @"http://ws.webxml.com.cn/WebServices/MobileCodeWS.asmx/getMobileCodeInfo"

{

[super viewDidLoad];

//设置

UILabel *lab=[[UILabel alloc]initWithFrame:CGRectMake(30, 40, 100, 44)];

lab.text=@"手机号";

[self.view addSubview:lab];

fi=[[UITextField alloc]initWithFrame:CGRectMake(120, 40, 100, 44)];

[self.view addSubview:fi];

UIButton *bu=[[UIButton alloc]initWithFrame:CGRectMake(120, 80, 100, 44)];

bu.backgroundColor=[UIColor redColor];

[bu setTitle:@"查询" forState:UIControlStateNormal];

[bu addTarget:self action:@selector(fan) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:bu];

vi=[[UITextView alloc]initWithFrame:CGRectMake(30, 150, 300, 200)];

[self.view addSubview:vi];

}

-(void)fan

{

//设置就收

//设置接受

NSURL *url=[NSURL URLWithString:MAK];

//

NSMutableURLRequest *mu=[[NSMutableURLRequest alloc]initWithURL:url];

//设置请求方式

[mu setHTTPMethod:@"POST"];

//设置传递参数

NSString *stee=[NSString stringWithFormat:@"mobileCode=%@&userID=",fi.text];

//格式转换

NSData *da=[stee dataUsingEncoding:NSUTF8StringEncoding];

//设置需要传递参数

[mu setHTTPBody:da];

[NSURLConnection sendAsynchronousRequest:mu queue:[[NSOperationQueue alloc]init] completionHandler:^(NSURLResponse * _Nullable response, NSData * _Nullable data, NSError * _Nullable connectionError) {

dispatch_async(dispatch_get_main_queue(), ^{

vi.text=[[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];

});

}];

}