SpringBoot整合jsp

本文轉載自查看原文 2019-08-07 15:55 871 Spring boot

新建項目

給pom文件添加這兩個依賴

pom.xml文件

<?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">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.6.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com</groupId>
    <artifactId>gongspingjsp</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>gongspingjsp</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <!-- jstl -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
        </dependency>
        <!-- jasper -->
        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-jasper</artifactId>
            <scope>provided</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

創建 springBoot 的全局配置文件， application.properties

spring.mvc.view.prefix=/WEB-INF/jsp/
spring.mvc.view.suffix=.jsp

新建controller包

在這個包下新建UserController類

package com.gongspingjsp.controller;

import com.gongspingjsp.pojo.Users;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import java.util.ArrayList;
import java.util.List;

/**
 * SpringBoot 整合 jsp
 * *
 */
@Controller
public class UserController {
    /**
    * 處理請求， 產生數據
    */
    @RequestMapping("/showUser")
     public String showUser(Model model){
      List<Users> list = new ArrayList<>();
        list.add(new Users(1,"張三",20));
        list.add(new Users(2,"李四",22));
        list.add(new Users(3,"王五",24));

        //需要一個 Model 對象
        model.addAttribute("list",list);
        //跳轉視圖
        return "userList";
    }
}

新建pojo包和User類

package com.gongspingjsp.pojo;

public class Users {
    private Integer userid;
    private String username;
    private Integer userage;
    public Integer getUserid() {
        return userid;
    }
    public void setUserid(Integer userid) {
        this.userid = userid;
    }
    public String getUsername() {
        return username;
    }
    public void setUsername(String username) {
        this.username = username;
    }
    public Integer getUserage() {
        return userage;
    }
    public void setUserage(Integer userage) {
        this.userage = userage;
    }
    public Users(Integer userid, String username, Integer userage) {
        super();
        this.userid = userid;
        this.username = username;
        this.userage = userage;
    }
    public Users() {
        super();
        // TODO Auto-generated constructor stub
    }
}

新建以下目錄

創建userList.jsp文件

<%@ 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>Insert title here</title>
</head>
<body>
    <table border="1" align="center" width="50%">
        <tr>
            <th>ID</th>
            <th>Name</th>
            <th>Age</th>
        </tr>
        <c:forEach items="${list }" var="user">
            <tr>
                <td>${user.userid }</td>
                <td>${user.username }</td>
                <td>${user.userage }</td>    
            </tr>
        </c:forEach>
    </table>
</body>
</html>

創建啟動類App.java

package com.gongspingjsp;

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);
    }
}

運行啟動類

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