Posted Updated 2 minutes read (About 246 words)
iOS网络请求 NSURLConnection
iOS网络请求 NSURLConnection
URLConnection的几种用法
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| /*
触发
*/
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
[self async];
}
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| /**
Get请求-同步
*/
- (void) sync{
NSURL* url = [NSURL URLWithString:@"https://tianqiapi.com/api?version=v1&appid=53827541&appsecret=sIY6i0fQ"];
NSURLRequest *request = [[NSURLRequest alloc]initWithURL: url];
NSHTTPURLResponse * response = **nil**;
NSData *data = [NSURLConnection sendSynchronousRequest:request
returningResponse: &response
error: **nil**];
NSLog(@"%@",[[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding]);
NSLog(@"%zd",response.statusCode);
}
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| /**
Get请求-同步
*/
- (void)async{
NSURL* url = [NSURL URLWithString:@"https://tianqiapi.com/api?version=v1&appid=53827541&appsecret=sIY6i0fQ"];
NSURLRequest *request = [[NSURLRequest alloc]initWithURL: url];
[NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse * _Nullable response, NSData * _Nullable data, NSError * *connectionError) {
NSString *result = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];
result = [self stringByReplaceUnicode:result];
NSLog(@"%@",result);
NSHTTPURLResponse* res = (NSHTTPURLResponse*)response;
NSLog(@"%zd",res.statusCode);
}];
}
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| /*
Get请求-代理
*/
//实现协议 <NSURLConnectionDataDelegate>
- (void)delegate{
NSURL* url = [NSURL URLWithString:@"https://tianqiapi.com/api?version=v1&appid=53827541&appsecret=sIY6i0fQ"];
NSURLRequest *request = [[NSURLRequest alloc]initWithURL: url];
[NSURLConnection connectionWithRequest:request delegate:self];
}
/*
协议对应的方法
*/
#pragma mark -NSURLConnectionDataDelegate
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response{
NSLog(@"%s",__func__);
}
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data{
NSLog(@"%s",__func__);
[self.resultData appendData:data];
}
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error{
NSLog(@"%s",__func__);
}
- (void)connectionDidFinishLoading:(NSURLConnection *)connection{
NSLog(@"%s",__func__);
NSLog(@"%@",[[NSString alloc]initWithData:_resultData encoding:NSUTF8StringEncoding]);
}
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