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08.SpringBoot整合jsp

SpringBoot整合jsp

1.修改pom文件加入两个坐标 jstl标签库 和 jasper

<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>2.1.2.RELEASE</version>
  </parent>
  <groupId>com.dxh</groupId>
  <artifactId>08-spring-boot-view-jsp</artifactId>
  <version>0.0.1-SNAPSHOT</version>

    <!-- 修改JDK版本 -->
  <properties>
    <java.version>1.8</java.version>
  </properties>

  <dependencies>
    <!-- Spring Boot 的启动器 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <!-- jstl标签库-->
        <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>
</project>

2.创建springboot的全局配置文件( 位于classpath根目录 )，application.properties

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

3.创建controller和pojo

@Controller
public class UserController {
    /**
       * 处理请求，产生数据
     */
    @RequestMapping("/showUser")
    public String showUser(Model model) {
        List<Users> list  = new ArrayList<>();
        list.add(new Users(1,"张三",20));
        list.add(new Users(2,"李四",22));
        list.add(new Users(3,"赵武",25));
        //需要一个Model对象
        model.addAttribute("list",list);
        //跳转视图
        return "userList";
    }
}



public class Users {
    private Integer userId;
    private String userName;
    private Integer userAge;

    public Users(Integer userId, String userName, Integer userAge) {
        super();
        this.userId = userId;
        this.userName = userName;
        this.userAge = 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;
    }
}

4.创建jsp页面

  • 注意页面位置(application.properties中定义的) src/main/webapp/WEB-INF/jsp/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>
<html>
<head>
<meta 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>

原文链接：https://www.cnblogs.com/net-safe/p/13529098.html

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