随笔记一下 好用的小技巧

1.将字典数据拼接成url的参数... 

AFQueryStringFromParameters

 NSString *query = AFQueryStringFromParameters(parameters);

//创建临时URL

    NSURL *tempURL = [NSURL URLWithString:URLString];

//如果之前URL有附带参数，则附加上去

    NSURL *new = [NSURL URLWithString:[NSString stringWithFormat:tempURL.query ? @"%@&%@" : @"%@?%@", URLString, query]];

2.对url进行utf-8编码

AFPercentEscapedStringFromString(NSString * _Nonnull string)

 AFPercentEscapedStringFromString(URLString);