From 285429e7636731d57f3b1699181bd48efc99bf9a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E5=AD=90=E4=BA=91?= <3329280162@qq.com>
Date: Tue, 28 Feb 2023 06:40:20 +0000
Subject: [PATCH] =?UTF-8?q?=E6=9D=8E=E5=AD=90=E4=BA=91?=
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Signed-off-by: 李子云 <3329280162@qq.com>
---
 "\346\235\216\345\255\220\344\272\221/zy.js" | 43 ++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 "\346\235\216\345\255\220\344\272\221/zy.js"

diff --git "a/\346\235\216\345\255\220\344\272\221/zy.js" "b/\346\235\216\345\255\220\344\272\221/zy.js"
new file mode 100644
index 0000000..499dc4b
--- /dev/null
+++ "b/\346\235\216\345\255\220\344\272\221/zy.js"
@@ -0,0 +1,43 @@
+// ### 作业：创建一个学生表,里面有班级字段,里面最好有自己班上同学姓名,其它班级的姓名随机写,有个字段存储游戏的分值,先实现随机的数值写入,查询出各班级前三名的学生
+let mysql=require("mysql")
+let con=mysql.createConnection({host:"127.0.0.1",user:"root",password:"root",port:"3306",database:"student"})
+con.connect();
+
+//获取日期
+
+let date=new Date();
+let time=date.getFullYear()+"/"+(date.getMonth()+1)+"/"+date.getDate()+"/"+date.getHours()+":"+date.getMinutes()+":"+date.getSeconds();
+
+//随机生成
+let score=Math.floor(Math.random()*101);
+let clas=Math.ceil(Math.random()*4);
+
+// //添加数据
+// let insertsql="insert into stu values (null,'"+clas+"','何柳','"+score+"','"+time+"','"+time+"')"
+// con.query(insertsql,(err,date)=>{
+//     console.log(err)
+//     console.log(date)
+
+// })
+
+let one="select * from stu where class=1 order by score  desc limit 3"
+con.query(one,(err,data)=>{
+     console.log(err)
+    console.log(data)
+})
+let two="select * from stu where class=2 order by score  desc limit 3"
+con.query(two,(err,data)=>{
+     console.log(err)
+    console.log(data)
+})
+let three="select * from stu where class=3 order by score  desc limit 3"
+con.query(three,(err,data)=>{
+     console.log(err)
+    console.log(data)
+})
+let four="select * from stu where class=4 order by score  desc limit 3"
+con.query(four,(err,data)=>{
+     console.log(err)
+    console.log(data)
+})
+con.end();
\ No newline at end of file
-- 
Gitee