diff --git "a/\344\274\215\346\231\272\350\276\211/mysql.txt" "b/\344\274\215\346\231\272\350\276\211/mysql.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..c74fea3b3c7d4b120dc669b484b3af6b2a89ca33
--- /dev/null
+++ "b/\344\274\215\346\231\272\350\276\211/mysql.txt"
@@ -0,0 +1,52 @@
+let mysql = require("mysql");
+
+
+let Connection=mysql.createConnection({
+    host:'localhost',//如果不在同一台电脑上，域名 或者 ip
+    user:'root',
+    password:'sa123456',
+    port:'3306',
+    database:'test',
+
+});
+
+Connection.connect();
+
+let sql = `insert into students(sid,name,sex) values ('001','吉吉国王','男')`
+    db.query(sql,function(err,result){
+        if(err) {
+            res.send({code:'E002',msg:'数据库增加失败！'})
+        }else {
+            res.send({code:'200',msg:'',data:'success'})
+        }
+    })
+
+let sql = `delete students where id = 1`
+    db.query(sql,function(err,result){
+        if(err) {
+            res.send({code:'E002',msg:'数据库删除失败！'})
+        }else {
+            res.send({code:'200',msg:'',data:'success'})
+        }
+    })
+
+let sql = `update students set sid='2',name='吉吉找麻麻',sex='女' where id ='1'`
+    db.query(sql,function(err,result){
+        if(err) {
+            console.log(err);
+            res.send({code:'E002',msg:'数据库修改失败！'})
+        }else {
+            res.send({code:'200',msg:'',data:'success'})
+        }
+    })
+
+let sql = `select * from students where id = 1`
+    db.query(sql,function(err,require){
+        if(err) {
+            console.log(err);
+            res.send({code:'E002',msg:'数据库查询失败！'})
+        }else {
+            res.send({code:'200',msg:'',data:require[0]})
+        }
+    })
+