【代码笔记】获得徐家汇的天气预报

一，代码。

//获得徐家汇的天气预报
-(void)getWeatherInfo{
    
    NSError *error;
    
    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://m.weather.com.cn/data/101021200.html" ]];//代码为徐家汇
    
    NSData *response = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
    
    NSDictionary *weatherDic = [NSJSONSerialization JSONObjectWithData:response  options:NSJSONReadingMutableLeaves error:&error];
    
    NSDictionary *weatherInfo = [weatherDic objectForKey:@"weatherinfo"];
    
    NSLog(@"天气%@",[NSString stringWithFormat:@"\n%@\n%@\n%@\n%@\n%@\n ", [weatherInfo objectForKey:@"city"],[weatherInfo objectForKey:@"date_y"],[weatherInfo objectForKey:@"week"], [weatherInfo objectForKey:@"weather1"], [weatherInfo objectForKey:@"temp1"]]);
    
}

 

二，输出。

天气
     徐家汇
     2014年3月4日
     星期二
     小雨转多云
     11℃~6℃