iOS 自带方法解析json

#pragma mark-json解析-(void) json:(NSString *)jsonUrl{    // 错误信息    NSError *error;    // 加载一个NSURL对象    NSURLRequest *request = [NSURLRequestrequestWithURL:[NSURLURLWithString:jsonUrl]];    // 将请求的url数据放到NSData对象中    NSData *response = [NSURLConnectionsendSynchronousRequest:request returningResponse:nilerror:nil];    // IOS5自带解析类NSJSONSerialization从response中解析出数据放到字典中    resultDic = [NSJSONSerializationJSONObjectWithData:response options:NSJSONReadingMutableLeaveserror:&error];    NSLog(@"%@",resultDic);}//调用[selfjson:[NSStringstringWithFormat:@"http://baidu.com"]];