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09.SpringBoot整合Freemarker

SpringBoot整合Freemarker

1.修改pom文件，添加坐标freemarker启动器坐标

<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>09-spring-boot-view-freemarker</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>
        <!-- freemarker启动器坐标 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-freemarker</artifactId>
        </dependency>
    </dependencies>
</project>

2.编写视图：SpringBoot要求模板形式的视图层技术的文件 必须放在src/main/resources/目录下 必须要一个名称为：

templates目录 。 视图名为userList.ftl

<html>
    <head>
        <title>展示用户数据</title>
        <meta charset="utf-8"></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>

3.创建controller、POJO

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.dxh.pojo.Users;

/**
 * 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,"赵武",25));
        //需要一个Model对象
        model.addAttribute("list",list);
        //跳转视图
        return "userList";
    }
}




package com.dxh.pojo;
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.创建启动器——运行

原文链接：https://www.cnblogs.com/net-safe/p/13529119.html

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