实用的判断脚本。典型的方法有：判断邮政编码、判断金额、判断字符是合法的电子邮件、判断字符是合法的日期、判断字符是否是合法的身份证号等。-Practical judgments scr ipt. Typical method: determines the zip code, to determine the amount, it is determined character is a legitimate email determines the character is a valid da