-(NSDictionary *) parameterWithURL:(NSURL *) url {

? ? NSMutableDictionary *parm = [[NSMutableDictionary alloc]init];

? ? //傳入url建立url組件類

? ? NSURLComponents *urlComponents = [[NSURLComponents alloc] initWithString:url.absoluteString];

? ? //回調遍歷全部參數(shù)，添加入字典

? ? [urlComponents.queryItems enumerateObjectsUsingBlock:^(NSURLQueryItem * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {

? ? ? ? [parm?setObject:obj.value forKey:obj.name];

? ? }];

? ? return parm;

}