09 2017 档案

UITextField只能输入数字NSCharacterSet实现
摘要：``` - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string { NSCharacterSet *charSet = [[NSCharacterSet characterSetWithCharac... 阅读全文
posted @ 2017-09-22 18:23 davidyff 阅读(110) 评论(0) 推荐(0)