diff --git "a/\347\216\213\350\220\203/\346\250\241\345\235\227\344\275\234\344\270\2322.15/2.22/zy.js" "b/\347\216\213\350\220\203/\346\250\241\345\235\227\344\275\234\344\270\2322.15/2.22/zy.js"
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index 0000000000000000000000000000000000000000..2fca17b82847568f6eac87fdff4c1cf757e2a6a1
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+++ "b/\347\216\213\350\220\203/\346\250\241\345\235\227\344\275\234\344\270\2322.15/2.22/zy.js"
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+// 作业：建一个用户表（有姓名,年龄,性别,创建时间,修改时间）,使用模块加mysql模块,实现对数据的增删改查
+    //  修改时记得，把修改时间改成修改时的时间，能实现分页（选做）
+let mysql = require("mysql");
+let connction = mysql.createConnection({host: "127.0.0.1",user: "root", password: "root", port: "3306", database: "db"});
+connction.connect();
+
+//增
+function add(name,age,sex) {
+    let startime = new Date().getTime();
+    let sql = "insert into users(name,age,sex,startime) value ('"+name+"','"+age+"','"+sex+"','"+startime+"') ";
+    return sql;
+}
+
+//删
+function shan(id) {
+    let sql = "delete from users where id =" +id +"";
+    return sql;
+}
+
+//改
+function change(xin,old,id) {
+    let time1 = Date.parse(new Date());
+    let change = "update users set " + xin + "=" + "'" + old + "'" + ",updatetime= " + "'" + time1 + "'" + "where id=" + id + "";
+    return change;
+}
+
+//查
+function search() {
+    let sql = "select * from users";
+    return sql;
+}
+
+//执行sql语句
+//执行增加的语句
+connction.query(add("李子玉","18","女"),(err,data) => {
+    console.log(err);
+    console.log(data);
+});
+
+//执行删除的语句
+connction.query(shan("1"),(err,data) => {
+    console.log(err);
+    console.log(data);
+});
+
+//执行修改的语句
+connction.query(change("name","李子明","2"),(err,data) => {
+    console.log(err);
+    console.log(data);
+});
+
+//执行查询的语句
+connction.query(search(),(err,data) => {
+    console.log(err);
+    console.log(data);
+});
+
+connction.end();