springboot视图技术-freemarker

pom：

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<?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>

    <groupId>org.gcz</groupId>
    <artifactId>freemarkerTest</artifactId>
    <version>1.0-SNAPSHOT</version>

    <!-- springboot应用 -->
    <parent>
        <artifactId>spring-boot-starter-parent</artifactId>
        <groupId>org.springframework.boot</groupId>
        <version>2.3.0.RELEASE</version>
    </parent>

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

        <!-- 使用热部署 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <optional>true</optional>
        </dependency>

        <!-- hibernate验证框架 -->
        <dependency>
            <groupId>org.hibernate.validator</groupId>
            <artifactId>hibernate-validator</artifactId>
            <version>6.0.17.Final</version>
            <scope>compile</scope>
        </dependency>

        <!-- lombok -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
        </dependency>

        <!-- hutool -->
        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.5.9</version>
        </dependency>

        <!-- freemarker模板 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-freemarker</artifactId>
        </dependency>
    </dependencies>

    <build>
        <resources>
            <resource>
                <directory>src/main/resources</directory>
            </resource>
            <resource>
                <directory>src/main/java</directory>
            </resource>
        </resources>
    </build>

    <!-- 指定springboot仓库位置 -->
    <repositories>
        <repository>
            <id>milestones</id>
            <name>Spring Milestones</name>
            <url>http://code.yhsperp.com:8081/nexus/repository/maven-public/</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>

</project>
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application.properties

spring.freemarker.suffix=.ftl

User

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package com.gcz.model.bean;

import lombok.Data;

import java.io.Serializable;

/**
 * @author guocz
 * @date 20210630
 * 用户
 */
@Data
public class User implements Serializable {

    /**
     * 用户ID
     */
    private Long userId;

    /**
     * 用户名
     */
    private String userName;
}
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UserController

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package com.gcz.controller;

import com.gcz.model.bean.User;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.ModelAndView;

/**
 * @author guocz
 * @date 20210630
 * 用户
 */
@Controller
@RequestMapping("/user")
public class UserController {

    @GetMapping("/showUserInfo.html")
    public ModelAndView showUserInfo(Long id){
        ModelAndView view = new ModelAndView();
        User user = new User();
        user.setUserId(1234L);
        user.setUserName("看IU优化个IU");
        view.addObject("user", user);
        view.setViewName("userInfo");
        return view;
    }

}
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/resources/templates/userInfo.ftl

<html>
<body>
${user.userId}
<p></p>
${user.getUserName()}
</body>
</html>
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