创建新项目
在pom,xml文件添加依赖
<?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>2.1.7.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com</groupId>
<artifactId>gongspringfreemarker</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>gongspringfreemarker</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>
<!-- freemarker启动器的坐标 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
接下来大打开Hbuilder这个软件
打开项目所在位置
新建userList.ftl文件
userList.ftl
<html>
<head>
<title>展示用户数据</title>
<meta charset="utf-9"></meta>
</head>
<body>
<table border="1" align="center" width="50%">
<tr>
<th>ID</th>
<th>Name</th>
<th>Age</th>
</tr>
<#list list as user >
<tr>
<td>${user.userid}</td>
<td>${user.username}</td>
<td>${user.userage}</td>
</tr>
</#list>
</table>
</body>
</html>
创建Controller
package com.gongspringfreemarker.controller;
import java.util.ArrayList;
import java.util.List;
import com.gongspringfreemarker.pojo.Users;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
/**
* SpringBoot整合jsp
*
*
*/
@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,"王五",24));
//需要一个Model对象
model.addAttribute("list", list);
//跳转视图
return "userList";
}
}
创建Users.java类
package com.gongspringfreemarker.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
}
}
创建启动器
package com.gongspringfreemarker;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* SpringBoot启动类
*
*
*/
@SpringBootApplication
public class App {
public static void main(String[] args) {
SpringApplication.run(App.class, args);
}
}
运行启动器
在浏览器打开