2 年之前 · 2ce09c3b3f
--- a/day02/pom.xml
+++ b/day02/pom.xml
@@ -0,0 +1,19 @@
 
				+<?xml version="1.0" encoding="UTF-8"?>
			
 
				+<project xmlns="http://maven.apache.org/POM/4.0.0"
			
 
				+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
			
 
				+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
			
 
				+    <parent>
			
 
				+        <artifactId>SpringMvc</artifactId>
			
 
				+        <groupId>org.example</groupId>
			
 
				+        <version>1.0-SNAPSHOT</version>
			
 
				+    </parent>
			
 
				+    <modelVersion>4.0.0</modelVersion>
			
 
				+
			
 
				+    <artifactId>day02</artifactId>
			
 
				+
			
 
				+    <properties>
			
 
				+        <maven.compiler.source>8</maven.compiler.source>
			
 
				+        <maven.compiler.target>8</maven.compiler.target>
			
 
				+    </properties>
			
 
				+
			
 
				+</project>
			
--- a/day02/src/main/java/com/lovecoding/mvc/RequestController.java
+++ b/day02/src/main/java/com/lovecoding/mvc/RequestController.java
@@ -0,0 +1,47 @@
 
				+package com.lovecoding.mvc;
			
 
				+
			
 
				+import org.springframework.stereotype.Controller;
			
 
				+import org.springframework.web.bind.annotation.GetMapping;
			
 
				+import org.springframework.web.servlet.ModelAndView;
			
 
				+
			
 
				+import javax.servlet.http.HttpServletRequest;
			
 
				+import javax.servlet.http.HttpSession;
			
 
				+
			
 
				+@Controller
			
 
				+public class RequestController {
			
 
				+
			
 
				+    /**
			
 
				+     * 如果我们使用 ModelAndView 作为共享数据
			
 
				+     * 我们控制器 返回类型必须是  ModelAndView
			
 
				+     * ModelAndView 视图必须填写正确
			
 
				+     * @param req
			
 
				+     * @return
			
 
				+     */
			
 
				+    @GetMapping("/requestDemo")
			
 
				+    public ModelAndView requestDemo(HttpServletRequest req){
			
 
				+        ModelAndView modelAndView = new ModelAndView();
			
 
				+        modelAndView.setViewName("/requestDemo.jsp");
			
 
				+        modelAndView.addObject("name", req.getParameter("name"));
			
 
				+        return modelAndView;
			
 
				+    }
			
 
				+
			
 
				+    /**
			
 
				+     * 演示Session 共享数据
			
 
				+     * Session 数据共享
			
 
				+     * Session 生命周期 特别长
			
 
				+     */
			
 
				+    @GetMapping("/sessionDemo")
			
 
				+    public String sessionDemo(HttpSession httpSession, String name){
			
 
				+        httpSession.setAttribute("name", name);
			
 
				+        return "/sessionDemo.jsp";
			
 
				+    }
			
 
				+
			
 
				+    @GetMapping("/modelAndViewDemo")
			
 
				+    public ModelAndView modelAndViewDemo( ModelAndView modelAndView ){
			
 
				+        modelAndView.addObject("msg",
			
 
				+                "我是ModelAndView Bean对象");
			
 
				+        modelAndView.setViewName("/modelAndViewDemo.jsp");
			
 
				+        return modelAndView;
			
 
				+    }
			
 
				+
			
 
				+}
			
--- a/day02/src/main/resources/spring-mvc.xml
+++ b/day02/src/main/resources/spring-mvc.xml
@@ -0,0 +1,12 @@
 
				+<?xml version="1.0" encoding="UTF-8"?>
			
 
				+<beans xmlns="http://www.springframework.org/schema/beans"
			
 
				+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
			
 
				+       xmlns:context="http://www.springframework.org/schema/context"
			
 
				+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
			
 
				+
			
 
				+    <!--  开启扫包  -->
			
 
				+    <context:component-scan base-package="com.lovecoding.mvc" ></context:component-scan>
			
 
				+
			
 
				+
			
 
				+
			
 
				+</beans>
			
--- a/day02/src/main/webapp/WEB-INF/web.xml
+++ b/day02/src/main/webapp/WEB-INF/web.xml
@@ -0,0 +1,20 @@
 
				+<?xml version="1.0" encoding="UTF-8"?>
			
 
				+<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
			
 
				+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
			
 
				+         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
			
 
				+         version="4.0">
			
 
				+
			
 
				+    <servlet>
			
 
				+        <servlet-name>springDispatcherServlet</servlet-name>
			
 
				+        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
			
 
				+        <init-param>
			
 
				+            <param-name>contextConfigLocation</param-name>
			
 
				+            <param-value>classpath:spring-mvc.xml</param-value>
			
 
				+        </init-param>
			
 
				+    </servlet>
			
 
				+    <servlet-mapping>
			
 
				+        <servlet-name>springDispatcherServlet</servlet-name>
			
 
				+        <url-pattern>/</url-pattern>
			
 
				+    </servlet-mapping>
			
 
				+
			
 
				+</web-app>
			
--- a/day02/src/main/webapp/index.jsp
+++ b/day02/src/main/webapp/index.jsp
@@ -0,0 +1,24 @@
 
				+<%--
			
 
				+  Created by IntelliJ IDEA.
			
 
				+  User: lc
			
 
				+  Date: 2023-03-26
			
 
				+  Time: 上午 9:23
			
 
				+  To change this template use File | Settings | File Templates.
			
 
				+--%>
			
 
				+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
			
 
				+<html>
			
 
				+<head>
			
 
				+    <title>Title</title>
			
 
				+</head>
			
 
				+<body>
			
 
				+<h1>Day02</h1>
			
 
				+
			
 
				+<a href="<%=request.getContextPath()%>/requestDemo?name=张三"> 点击我跳转 requestDemo 页面 </a>
			
 
				+<hr />
			
 
				+<a href="<%=request.getContextPath()%>/sessionDemo?name=李四"> 点击我跳转 sessionDemo 页面 </a>
			
 
				+<hr />
			
 
				+<a href="<%=request.getContextPath()%>/modelAndViewDemo"> 点击我跳转 modelAndView 页面 </a>
			
 
				+
			
 
				+
			
 
				+</body>
			
 
				+</html>
			
--- a/day02/src/main/webapp/modelAndViewDemo.jsp
+++ b/day02/src/main/webapp/modelAndViewDemo.jsp
@@ -0,0 +1,22 @@
 
				+<%--
			
 
				+  Created by IntelliJ IDEA.
			
 
				+  User: lc
			
 
				+  Date: 2023-03-26
			
 
				+  Time: 上午 10:04
			
 
				+  To change this template use File | Settings | File Templates.
			
 
				+--%>
			
 
				+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
			
 
				+<html>
			
 
				+<head>
			
 
				+    <title>Title</title>
			
 
				+</head>
			
 
				+<body>
			
 
				+<h1>
			
 
				+  <%
			
 
				+    out.print(
			
 
				+            request.getAttribute("msg")
			
 
				+    );
			
 
				+  %>
			
 
				+</h1>
			
 
				+</body>
			
 
				+</html>
			
--- a/day02/src/main/webapp/requestDemo.jsp
+++ b/day02/src/main/webapp/requestDemo.jsp
@@ -0,0 +1,34 @@
 
				+<%--
			
 
				+  Created by IntelliJ IDEA.
			
 
				+  User: lc
			
 
				+  Date: 2023-03-26
			
 
				+  Time: 上午 9:32
			
 
				+  To change this template use File | Settings | File Templates.
			
 
				+--%>
			
 
				+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
			
 
				+<html>
			
 
				+<head>
			
 
				+    <title>Title</title>
			
 
				+</head>
			
 
				+<body>
			
 
				+
			
 
				+<h1>
			
 
				+<%
			
 
				+
			
 
				+        out.print(
			
 
				+
			
 
				+                session.getAttribute("name")
			
 
				+
			
 
				+        );
			
 
				+
			
 
				+        out.print(
			
 
				+
			
 
				+                request.getAttribute("name")
			
 
				+
			
 
				+        );
			
 
				+
			
 
				+%>
			
 
				+
			
 
				+    </h1>
			
 
				+</body>
			
 
				+</html>
			
--- a/day02/src/main/webapp/sessionDemo.jsp
+++ b/day02/src/main/webapp/sessionDemo.jsp
@@ -0,0 +1,23 @@
 
				+<%--
			
 
				+  Created by IntelliJ IDEA.
			
 
				+  User: lc
			
 
				+  Date: 2023-03-26
			
 
				+  Time: 上午 9:54
			
 
				+  To change this template use File | Settings | File Templates.
			
 
				+--%>
			
 
				+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
			
 
				+<html>
			
 
				+<head>
			
 
				+    <title>Title</title>
			
 
				+</head>
			
 
				+<body>
			
 
				+  <%
			
 
				+
			
 
				+
			
 
				+      out.print(
			
 
				+              session.getAttribute("name")
			
 
				+      );
			
 
				+
			
 
				+  %>
			
 
				+</body>
			
 
				+</html>
			
--- a/pom.xml
+++ b/pom.xml
@@ -10,6 +10,7 @@
 
				     <version>1.0-SNAPSHOT</version>
			
 
				     <modules>
			
 
				         <module>day01</module>
			
 
				+        <module>day02</module>
			
 
				     </modules>
			
 
				 
			
 
				     <properties>