diff --git "a/25 \346\234\261\346\203\240\345\277\240/20230520 jsp\344\275\234\344\270\232.md" "b/25 \346\234\261\346\203\240\345\277\240/20230520 jsp\344\275\234\344\270\232.md"
new file mode 100644
index 0000000000000000000000000000000000000000..7c9844269be50db9056c3abb20a13e4890090186
--- /dev/null
+++ "b/25 \346\234\261\346\203\240\345\277\240/20230520 jsp\344\275\234\344\270\232.md"	
@@ -0,0 +1,99 @@
+```java
+
+import java.sql.*;
+
+public class Jdbc {
+    private Connection conn() {
+        try {
+            Class.forName("com.mysql.jdbc.Driver");
+            String url = "jdbc:mysql://localhost:3306/student_db?useSSL=false&useUnicode=true&characterEchoing=utf8";
+            Connection conn = DriverManager.getConnection(url, "root", "root");
+            return conn;
+        } catch (ClassNotFoundException e) {
+            throw new RuntimeException(e);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    //查询
+    ResultSet select(String sql){
+        try {
+            PreparedStatement pst = conn().prepareStatement(sql);
+            ResultSet re = pst.executeQuery();
+            return re;
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}
+
+//学生对象
+public class Student {
+    private int id;
+    private String name;
+    private String sex;
+
+    public Student() {
+    }
+
+    public Student(int id, String name, String sex) {
+        this.id = id;
+        this.name = name;
+        this.sex = sex;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getSex() {
+        return sex;
+    }
+
+    public void setSex(String sex) {
+        this.sex = sex;
+    }
+}
+
+import java.sql.*;
+import java.util.ArrayList;
+     //测试
+public class Test {
+    public static void main(String[] args) {
+        Jdbc jdbc = new Jdbc();
+        ResultSet re = jdbc.select("select * from student");
+        ArrayList<Student> stu = new ArrayList<>();
+        try {
+            while (re.next()) {
+                int id = re.getInt(1);
+                String name = re.getString(2);
+                String sex = re.getString(3);
+                Student s = new Student(id, name, sex);
+                stu.add(s);
+            }
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+
+        System.out.println("ID\t\t姓名\t\t性别");
+        for (int i = 0; i < stu.size(); i++) {
+            Student s = stu.get(i);
+            System.out.println(s.getId()+"\t\t"+s.getName()+"\t\t"+s.getSex());
+        }
+    }
+}
+```
+