json 解析都层数据

 

- (IBAction)showMessage{       @try {           NSError *error;           //加载一个NSURL对象                                 NSURLRequest *request =           [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://192.168.1.111:8080/getIosJson"]];                                            //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];                      NSDictionary *weatherInfo = [weatherDic objectForKey:@"result"]; //反回结果                                 NSEnumerator *enumerator = [weatherInfo objectEnumerator];           id key2;                      while ((key2 = [enumerator nextObject]))           {               NSLog(@">>>>>>>>>@@@>>>%@", key2);                                             NSString *wheatherString =               [                NSString stringWithFormat:@"要发生的数据 %@  %@    ",                [key2 objectForKey:@"movile"],                [key2 objectForKey:@"text"]                ];               NSLog(@"weatherInfo字典里面的内容为--》%@", wheatherString );                                         }                                            NSArray *keys;           int i, count;           id key, value;           keys=[weatherDic allKeys];           count=[keys count];           for (i = 0; i < count; i++)           {               key = [keys objectAtIndex: i];               value = [weatherDic objectForKey: key];               NSLog (@"Key: %@ for value: %@", key, value);           }                                 NSLog(@"weatherInfo字典里面的内容为--》%@", weatherDic );                                            }@catch (NSException *exception) {    NSLog(@"%@ %@", [exception name], [exception reason]);}