/**

獲取url的所有參數(shù)

@param url 需要提取參數(shù)的url

@return NSDictionary

*/

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

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

? ? //傳入url創(chuàng)建url組件類

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

? ? //回調(diào)遍歷所有參數(shù)，添加入字典

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

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

? ? }];

? ? return param;

}