IOS--POST非同步請求

標籤：

TestController.m

 1 #import "TestController.h" 2  3 @interface TestController() 4  5 @property(nonatomic,strong)UIButton *button; 6  7 @end 8  9 @implementation TestController10 11 - (void)viewDidLoad12 {13     [super viewDidLoad];14     15     _button = [UIButton buttonWithType:UIButtonTypeSystem];16     17     _button.frame = CGRectMake(0, 20, 100, 20);18     [_button setTitle:@"Hello" forState:UIControlStateNormal];19     20     [_button addTarget:self action:@selector(start:) forControlEvents:UIControlEventTouchUpInside];21 22     23     [self.view addSubview:_button];24 25 }26 27 -(void)start:(UIButton*)sender28 {29     //http://php.weather.sina.com.cn/xml.php?city=%B1%B1%BE%A9&password=DJOYnieT8234jlsK&day=030     31     //擷取URL32     NSURL *url = [NSURL URLWithString:@"http://php.weather.sina.com.cn/xml.php"];33     NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];34     35     //POST方式36     [request setHTTPMethod:@"POST"];37     NSString *param = @"city=%B1%B1%BE%A9&password=DJOYnieT8234jlsK&day=0";38     NSData *body = [param dataUsingEncoding:NSUTF8StringEncoding];39     [request setHTTPBody:body];40     41     42     //非同步請求43     [NSURLConnection sendAsynchronousRequest:request queue:[[NSOperationQueue alloc]init] completionHandler:^(NSURLResponse * _Nullable response, NSData * _Nullable data, NSError * _Nullable connectionError) {44         45         NSString *content = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];46         47         NSLog(@"資料:%@",content);48         49     }];50     51 }52 53 @end

IOS--POST非同步請求