iOS原生JSON解析.

- (IBAction)accessInterfaceBtnPressed:(id)sender {
    
    NSError *error;
    NSString *URL=@"https://api.thinkpage.cn/v3/life/suggestion.json?key=aacuhmmvipa30v3f&location=shanghai&language=zh-Hans";
    //加载一个NSURL对象
    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:URL]];
    //将请求的url数据放到NSData对象中
    NSData *response = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
    //IOS5自带解析类NSJSONSerialization从response中解析出数据放到字典中
    NSDictionary *weatherDic = [NSJSONSerialization JSONObjectWithData:response options:NSJSONReadingMutableLeaves error:&error];
   // NSLog(@"All: %@", weatherDic );
    NSDictionary *weatherInfo = [weatherDic objectForKey:@"results"];
    
    NSArray * resultArray=[weatherDic objectForKey:@"results"];
    // NSLog(@"dictionary length is: %d",[weatherInfo count]);
    // NSLog(@"weatherInfo: %@", weatherInfo );
    // NSString *updateTime=[weatherInfo objectForKey:@"last_update"];
    NSLog(@"updateTime: %@", [weatherInfo valueForKey:@"last_update"] );
    //[resultArray valueForKey:@"location"]valueForKey:@"name" ]

NSArray *name=[[resultArray valueForKey:@"location"]valueForKey:@"name"];
    NSString *shanghai=name[0];
    
    //NSString *stringData = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
    
   // NSString *resultStr=[[NSString alloc]initWithUTF8String:@"aaa"];
    NSLog(@"shanghai: %@", shanghai);
    
    
    NSDictionary *locationInfo = [weatherInfo valueForKey:@"location"];
    
   
    //NSLog(@"last_update: %@", [weatherInfo objectForKey:@"last_update"] );
    // NSMutableString *name=[locationInfo valueForKey:@"name"];
    // NSLog(@"name: %@", name);
   // NSString*jsonString = [[NSString alloc]initWithBytes:[data bytes] length:[data length] encoding:NSUTF8StringEncoding] ;
    // NSData *data=[locationInfo valueForKey:@"name"];
    [self textView].text = shanghai;
}

参考:

https://temboo.com/ios/parsing-json

	How it appears in the JSON string
NSArray	"name": [
NSObject	"name": {

另外, 原来()是特么一个数组的意思...搞得我各种找编码的方法...嫩娘...怪我罗....