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008_SpringBoot视图层技术jsp
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008_SpringBoot视图层技术jsp
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1. 使用maven構建SpringBoot的名叫spring-boot-view-jsp項目
2. pom.xml?
<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"><modelVersion>4.0.0</modelVersion><groupId>com.bjbs</groupId><artifactId>spring-boot-view-jsp</artifactId><version>0.0.1-SNAPSHOT</version><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>1.5.13.RELEASE</version></parent><!-- 修改jdk版本 --><properties><java.version>1.8</java.version></properties><dependencies><!-- springBoot的啟動器 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><!-- jstl標簽坐標 --><dependency><groupId>javax.servlet</groupId><artifactId>jstl</artifactId></dependency><!-- jasper Tomcat中對jsp處理的引擎 --><dependency><groupId>org.apache.tomcat.embed</groupId><artifactId>tomcat-embed-jasper</artifactId><scope>provided</scope></dependency></dependencies> </project>3. 新建User.java
package com.bjbs.pojo;import java.io.Serializable;public class User implements Serializable {private static final long serialVersionUID = 1L;private Integer id;private String name;private Integer age;public User() {}public User(Integer id, String name, Integer age) {this.id = id;this.name = name;this.age = age;}public Integer getId() {return id;}public void setId(Integer id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public Integer getAge() {return age;}public void setAge(Integer age) {this.age = age;}}4. 新建UserController.java
package com.bjbs.controller;import java.util.ArrayList; import java.util.List; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import com.bjbs.pojo.User;/*** SpringBoot整合jsp*/ @Controller public class UserController {/** 處理請求, 產生數據*/@RequestMapping("/showUser")public String showUser(Model model) {List<User> list = new ArrayList<User>();list.add(new User(1, "張三", 20));list.add(new User(2, "李四", 22));list.add(new User(3, "王五", 24));// 需要一個Model對象model.addAttribute("list", list);// 跳轉視圖return "userList";} }5. 新建App.java啟動類
package com.bjbs;import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication;/*** springBoot啟動類*/ @SpringBootApplication public class App {public static void main(String[] args) {SpringApplication.run(App.class, args);} }6. 在src/main/webapp/WEB-INF/jsp目錄下, 新建userList.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>用戶信息</title></head><body><table border="1" align="center" width="50%"><tr><th>用戶id</th><th>姓名</th><th>年齡</th></tr><c:forEach items="${list}" var="user"><tr><td>${user.id}</td><td>${user.name}</td><td>${user.age}</td></tr></c:forEach></table></body> </html>7. 在src/main/resources目錄下, 新建application.properties, SpringBoot的全局配置文件, 設置訪問jsp的前綴和后綴
#訪問jsp的前綴 spring.mvc.view.prefix=/WEB-INF/jsp/ #訪問jsp的后綴 spring.mvc.view.suffix=.jsp8. 啟動項目, 并使用瀏覽器訪問
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