From f8d035f82d32a372f1b419c4ceb6d81955f2b81b Mon Sep 17 00:00:00 2001
From: Administrator <402475095@qq.com>
Date: Wed, 29 May 2024 16:40:14 +0800
Subject: [PATCH] =?UTF-8?q?feat:=E6=8F=90=E4=BA=A4?=
MIME-Version: 1.0
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---
 .../Main.java"                                | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 "work/com/java/minxi/java_20240524/java_2302_\351\273\204\346\230\245\351\233\252_2344310240/Main.java"

diff --git "a/work/com/java/minxi/java_20240524/java_2302_\351\273\204\346\230\245\351\233\252_2344310240/Main.java" "b/work/com/java/minxi/java_20240524/java_2302_\351\273\204\346\230\245\351\233\252_2344310240/Main.java"
new file mode 100644
index 0000000..4f1d212
--- /dev/null
+++ "b/work/com/java/minxi/java_20240524/java_2302_\351\273\204\346\230\245\351\233\252_2344310240/Main.java"
@@ -0,0 +1,56 @@
+package com.java.minxi.java_20240524.java_2302_黄春雪_2344310240;
+
+import java.sql.*;
+
+public class Main {
+    public static void main(String[] args) {
+
+    }
+    public static void Ab(String sql){
+
+        try {
+            //注册驱动
+            Class.forName("com.mysql.cj.jdbc.Driver");
+            String url ="jdbc:mysql//:localhost:3306/student?serverTimezone=Asia/Shanghai";
+            String username="root";
+            String password="123456";
+            //创建连接
+            Connection connection = DriverManager.getConnection(url,username,password);
+
+            //定义语句
+            String sql1="SELECT * FROM teacher_info ;";
+            String sql2="SELECT * FROM teacher_info WHERE id =? and teacher_age=?;";
+            String sql3="UPDATE teacher_info SET teacher_name =? WHERE id =?;";
+
+            //|创建执行对象，去执行sql
+            PreparedStatement preparedStatement =connection.prepareStatement(sql);
+
+            preparedStatement.setInt(1,1);
+            preparedStatement.setInt(2,35);
+
+            preparedStatement.setString(1,"小严");
+            preparedStatement.setInt(2,1);
+
+            //执行对象，去执行sql
+            ResultSet resultSet =preparedStatement.executeQuery();
+            int resultSet1 =preparedStatement.executeUpdate();
+
+
+
+            //处理结果
+            while (resultSet.next() ){
+                int id =resultSet.getInt("id");
+                 String userName =resultSet.getNString("teacher_name");
+                 String userAge =resultSet.getNString("teacher_age");
+                System.out.println(id+"&"+userName+"&"+userAge);
+            }
+            //资源关闭
+            resultSet.close();
+            preparedStatement.close();
+            connection.close();
+
+        }catch (Exception e){
+            e.printStackTrace();
+        }
+    }
+}
\ No newline at end of file
-- 
Gitee