From 83024a273e7b86737151380689326ffab6a89243 Mon Sep 17 00:00:00 2001
From: tomato <784511430@qq.com>
Date: Mon, 24 Jun 2024 10:01:37 +0800
Subject: [PATCH] 0624_fyf

---
 test.js | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100755 test.js

diff --git a/test.js b/test.js
new file mode 100755
index 0000000..d3a80a3
--- /dev/null
+++ b/test.js
@@ -0,0 +1,38 @@
+var mysql      = require('mysql');
+var connection = mysql.createConnection({
+  host     : '127.0.0.1',
+  user     : 'root',
+  port     : '13307',
+  password : '123456',
+  database : 'mailbox'
+});
+
+//创建一个connection
+connection.connect(function(err){
+    if(err){
+          console.log('[query] - :'+err);
+        return;
+    }
+      console.log('[connection connect]  succeed!');
+});
+
+//执行SQL语句
+connection.query('SELECT * FROM mail', function(err, rows, fields) {
+     if (err) {
+             console.log('[query] - :'+err);
+        return;
+     }
+     console.log('共有' + rows.length + '条记录。');
+     for (var i = rows.length - 1; i >= 0; i--) {
+      m=rows.length-i;
+     console.log('第' + m + '条记录为: ', rows[m-1]);
+     }
+});
+
+//关闭connection
+connection.end(function(err){
+    if(err){
+        return;
+    }
+      console.log('[connection end] succeed!');
+});
\ No newline at end of file