摘要：
/** * Created by tanxiaobing on 2021/02/21. */ /* 合法uri*/ export function validateURL(textval) { const urlregex = /^(https?|ftp):\/\/([a-zA-Z0-9.-]+(: 阅读全文
摘要：
1. 建表语句 #建学生信息表student CREATE TABLE student ( sno VARCHAR (20) NOT NULL PRIMARY KEY, sname VARCHAR (20) NOT NULL, ssex VARCHAR (20) NOT NULL, sbirthda 阅读全文