From 67197ded28bcf4b2758d8fc93bbb69762868a0c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8F=B6=E6=80=9D=E6=80=9D?= <3242902095@qq.com>
Date: Fri, 3 Mar 2023 03:15:36 +0000
Subject: [PATCH] =?UTF-8?q?=E6=8F=90=E4=BA=A4?=
MIME-Version: 1.0
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Signed-off-by: 叶思思 <3242902095@qq.com>
---
 .../promise2.24/homework.js"                  | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 "\345\217\266\346\200\235\346\200\235/promise2.24/homework.js"

diff --git "a/\345\217\266\346\200\235\346\200\235/promise2.24/homework.js" "b/\345\217\266\346\200\235\346\200\235/promise2.24/homework.js"
new file mode 100644
index 0000000..7567ae9
--- /dev/null
+++ "b/\345\217\266\346\200\235\346\200\235/promise2.24/homework.js"
@@ -0,0 +1,23 @@
+// 第一个能不能使用promise的异步函数,封装下数据库的查询,
+// 二 把sequelize 配置完成,至少能查询一个表去看看sequelize的文档,实现curd
+let mysql=require("mysql");
+let connection=mysql.createConnection({host: "127.0.0.1", user: "root", password: "root", database: "student"})
+connection.connect();
+function usePromise(sql){
+    return new Promise((resvole,reject)=>{
+        connection.query(sql,(err,data)=>{
+            if(err==null){
+                resvole(data)
+            }else{
+                reject(err);
+            }
+        })
+    })
+}
+
+async function useAsync(sql){
+    let data=await usePromise(sql);
+    console.log(data);
+}
+useAsync("select * from user");
+connection.end();
\ No newline at end of file
-- 
Gitee