摘要: 1、判断字符串是否是url - (BOOL)checkUrlWithString:(NSString *)url { if(url.length < 1) return NO; if (url.length>4 && [[url substringToIndex:4] isEqualToString 阅读全文
posted @ 2020-04-23 19:26 Mr·Xu 阅读(3968) 评论(4) 推荐(1) 编辑