diff --git "a/work/com/java/minxi/java_20240603/java_2301_\351\273\204\345\256\201_2344310142/circle.jsp" "b/work/com/java/minxi/java_20240603/java_2301_\351\273\204\345\256\201_2344310142/circle.jsp"
new file mode 100644
index 0000000000000000000000000000000000000000..414b55bb87639d3e62ec2089ed6674ab0afe8364
--- /dev/null
+++ "b/work/com/java/minxi/java_20240603/java_2301_\351\273\204\345\256\201_2344310142/circle.jsp"
@@ -0,0 +1,20 @@
+
+
+
+
+
+ Document
+
+
+
+ <%
+ String radius = request.getParameter("radius");
+ double v = Double.parseDouble(radius);
+ double v1 = Math.PI * v * v;
+ %>
+ <%=v1%>
+
+
+
+
\ No newline at end of file
diff --git "a/work/com/java/minxi/java_20240603/java_2301_\351\273\204\345\256\201_2344310142/ladder.jsp" "b/work/com/java/minxi/java_20240603/java_2301_\351\273\204\345\256\201_2344310142/ladder.jsp"
new file mode 100644
index 0000000000000000000000000000000000000000..99d05c7094d723e593883605ec9f36dd167bf303
--- /dev/null
+++ "b/work/com/java/minxi/java_20240603/java_2301_\351\273\204\345\256\201_2344310142/ladder.jsp"
@@ -0,0 +1,24 @@
+
+
+
+
+
+ Document
+
+
+
+ <%
+ String top = request.getParameter("top");
+ String bottom = request.getParameter("bottom");
+ String high = request.getParameter("high");
+ double v = Double.parseDouble(top);
+ double v1 = Double.parseDouble(bottom);
+ double v2 = Double.parseDouble(high);
+ double area=(v+v1)*v2/2;
+ %>
+ <%=area%>
+
+
+
+
\ No newline at end of file
diff --git "a/work/com/java/minxi/java_20240603/java_2301_\351\273\204\345\256\201_2344310142/main.jsp" "b/work/com/java/minxi/java_20240603/java_2301_\351\273\204\345\256\201_2344310142/main.jsp"
new file mode 100644
index 0000000000000000000000000000000000000000..859096c1c7fbd5937665f7a68095550a69ed3978
--- /dev/null
+++ "b/work/com/java/minxi/java_20240603/java_2301_\351\273\204\345\256\201_2344310142/main.jsp"
@@ -0,0 +1,26 @@
+<%@ page pageEncoding="utf-8" %>
+
+
+
+
+
+ Document
+
+
+
+ 圆的面积：
+
+
+
+
+
+ 梯形的面积：
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git "a/work/com/java/minxi/java_20240604/java_2301_\351\273\204\345\256\201_2344310142/index.jsp" "b/work/com/java/minxi/java_20240604/java_2301_\351\273\204\345\256\201_2344310142/index.jsp"
new file mode 100644
index 0000000000000000000000000000000000000000..a81bf0bda6d937b47df975b752eab2b485bb0a30
--- /dev/null
+++ "b/work/com/java/minxi/java_20240604/java_2301_\351\273\204\345\256\201_2344310142/index.jsp"
@@ -0,0 +1,110 @@
+<%@ page import="org.apache.tomcat.dbcp.dbcp2.DriverManagerConnectionFactory" %>
+<%@ page import="java.sql.DriverManager" %>
+<%@ page import="java.sql.Connection" %>
+<%@ page import="java.sql.PreparedStatement" %>
+<%@ page import="java.sql.ResultSet" %>
+<%@ page import="java.util.ArrayList" %>
+<%@ page pageEncoding="utf-8" %>
+
+
+ Document
+
+
+
+<%
+ class userInfo {
+ int id;
+ String name;
+ String phone;
+
+ public userInfo() {
+ }
+
+ public userInfo(int id, String name, String phone) {
+ this.id = id;
+ this.name = name;
+ this.phone = phone;
+ }
+
+ 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 getPhone() {
+ return phone;
+ }
+
+ public void setPhone(String phone) {
+ this.phone = phone;
+ }
+
+ @Override
+ public String toString() {
+ return "userInfo{" +
+ "id=" + id +
+ ", name='" + name + '\'' +
+ ", phone='" + phone + '\'' +
+ '}';
+ }
+ }
+ Connection connection = null;
+ PreparedStatement preparedStatement = null;
+ ResultSet resultSet = null;
+ try {
+ Class.forName("com.mysql.cj.jdbc.Driver");
+ String url = "jdbc:mysql://localhost:3306/student?serverTimezone=Asia/Shanghai";
+ String username = "root";
+ String password = "123456";
+ connection = DriverManager.getConnection(url, username, password);
+ String sql = "select id,user_name,user_phone from user_info;";
+ preparedStatement = connection.prepareStatement(sql);
+ resultSet = preparedStatement.executeQuery();
+ ArrayList objects = new ArrayList<>();
+ while (resultSet.next()) {
+ userInfo userInfo = new userInfo();
+ int id = resultSet.getInt("id");
+ String name = resultSet.getString("user_name");
+ String phone = resultSet.getString("user_phone");
+ userInfo.setId(id);
+ userInfo.setName(name);
+ userInfo.setPhone(phone);
+ objects.add(userInfo);
+ }
+ out.print(objects);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+
+ } finally {
+ try {
+ if (null != connection) {
+ connection.close();
+ }
+ if (null != preparedStatement) {
+ preparedStatement.close();
+ }
+ if (null != resultSet) {
+ resultSet.close();
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+%>
+
+
+
+