diff --git "a/work/com/java/minxi/java_20240524/java_2302_\345\275\255\345\260\217\346\236\227_2344310228/JDBC_Work.java" "b/work/com/java/minxi/java_20240524/java_2302_\345\275\255\345\260\217\346\236\227_2344310228/JDBC_Work.java"
new file mode 100644
index 0000000000000000000000000000000000000000..468a168a84039204214ddec046ffe2443f154115
--- /dev/null
+++ "b/work/com/java/minxi/java_20240524/java_2302_\345\275\255\345\260\217\346\236\227_2344310228/JDBC_Work.java"
@@ -0,0 +1,112 @@
+package com.java.minxi.java_20240524.java_2302_彭小林_2344310228;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.Statement;
+
+public class JDBC_Work {
+    public static void main(String[] args) throws Exception {
+        //1. 查询所有用户信息
+        Teacher1();
+        //2. 查询id为1，且年龄为35岁的用户信息
+        Teacher2();
+        //3. 把id为3的用户名称修改为小严
+        Teacher3();
+    }
+
+    private static void Teacher3() throws Exception{
+        //1. 获取连接
+        String url = "jdbc:mysql:///student?serverTimezone=Asia/Shanghai";
+        String username = "root";
+        String password = "123456";
+        Connection conn = DriverManager.getConnection(url, username, password);
+
+        //2. 定义sql
+        String sql = "update teacher_info set teacher_name = '小严' where id = 3;";
+
+        //3. 获取执行sql的对象 Statement
+        Statement stmt = conn.createStatement();
+
+        //4. 执行sql
+        int i = stmt.executeUpdate(sql);
+        if (i>0){
+            System.out.println("修改成功~");
+        }else{
+            System.out.println("修改失败~");
+        }
+
+        //5. 释放资源
+        stmt.close();
+        conn.close();
+    }
+
+    private static void Teacher2() throws Exception{
+        //1. 获取连接
+        String url = "jdbc:mysql:///student?serverTimezone=Asia/Shanghai";
+        String username = "root";
+        String password = "123456";
+        Connection conn = DriverManager.getConnection(url, username, password);
+
+        //2. 定义sql
+        String sql = "select * from teacher_info where id = 1 && teacher_age = 35;";
+
+        //3. 获取执行sql的对象 Statement
+        Statement stmt = conn.createStatement();
+        //4. 执行sql
+        ResultSet resultSet = stmt.executeQuery(sql);
+
+        //5. 遍历
+        System.out.println("id为1，且年龄为35岁的用户:");
+        System.out.println("id\t\tteacher_name\tteacher_age");
+        while (resultSet.next()){
+            int id = resultSet.getInt(1);
+            String name = resultSet.getString(2);
+            int age = resultSet.getInt(3);
+            System.out.println(id+"\t\t"+name+"\t\t\t\t"+age);
+        }
+        System.out.println();
+        //6. 释放资源
+        resultSet.close();
+        stmt.close();
+        conn.close();
+    }
+
+    public static void Teacher1() throws Exception{
+        //1. 注册驱动
+//        Class.forName("com.mysql.cj.jdbc.Driver");
+
+        //2. 获取连接
+        String url = "jdbc:mysql:///student?serverTimezone=Asia/Shanghai";
+        String username = "root";
+        String password = "123456";
+        Connection conn = DriverManager.getConnection(url, username, password);
+
+        //3. 定义sql
+        String sql = "select * from teacher_info;";
+
+        //4. 获取执行sql的对象 Statement
+        Statement stmt = conn.createStatement();
+
+        //5. 执行sql
+        ResultSet resultSet = stmt.executeQuery(sql);
+
+
+        //6.遍历
+        System.out.println("所有用户信息:");
+        System.out.println("id\t\tteacher_name\tteacher_age");
+        while (resultSet.next()){
+            int id = resultSet.getInt("id");
+            String name = resultSet.getString("teacher_name");
+            int age = resultSet.getInt("teacher_age");
+
+            System.out.println(id+"\t\t"+name+"\t\t\t\t"+age);
+        }
+        System.out.println();
+
+        //7.释放资源
+        resultSet.close();
+        stmt.close();
+        conn.close();
+    }
+}