目录

理论

演示及源码

理论

后端通过@GetMapping获取数据，把数据存储在Model中，前端使用模板引擎机进行获取即可。

在@GetMapping中填写请求信息；

Model再通过addAttribute与前端进行交互！

演示及源码

程序运行截图如下：

项目结构如下：

源码如下：

MyMvcConfig.java

package showtabledata.demo.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@Configuration
public class MyMvcConfig extends WebMvcConfigurerAdapter{

    @Bean
    public WebMvcConfigurerAdapter webMvcConfigurerAdapter(){

        WebMvcConfigurerAdapter adapter = new WebMvcConfigurerAdapter() {

            @Override
            public void addViewControllers(ViewControllerRegistry registry) {

                registry.addViewController("/").setViewName("index");
                registry.addViewController("/index.html").setViewName("index");
            }
        };

        return adapter;
    }
}

PeopleController.java

package showtabledata.demo.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import showtabledata.demo.data.PeopleData;
import showtabledata.demo.entities.People;

import java.util.Collection;

@Controller
public class PeopleController {

    @Autowired
    PeopleData peopleData;

    //查询并返回页面
    @GetMapping({"/index", "/"})
    public String list(Model model){

        Collection<People> peoples = peopleData.getAll();
        model.addAttribute("index" , peoples);
        return "index";
    }
}

PeopleData.java

package showtabledata.demo.data;

import org.springframework.stereotype.Repository;
import showtabledata.demo.entities.People;

import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@Repository
public class PeopleData {

    private static Map<Integer, People> peoples = null;

    static {

        peoples = new HashMap<Integer, People>();
        peoples.put(1000, new People(1000, "闰土", "1234567@163.com", 1, new Date()));
        peoples.put(1001, new People(1001, "妹爷", "110@163.com", 1, new Date()));
        peoples.put(1002, new People(1002, "球球", "120@163.com", 0, new Date()));
        peoples.put(1003, new People(1003, "猪小明", "119@163.com", 1, new Date()));
        peoples.put(1004, new People(1004, "米线", "911@163.com", 0, new Date()));
        peoples.put(1005, new People(1005, "腿腿", "12306@163.com", 0, new Date()));

    }

    public Collection<People> getAll(){

        return peoples.values();
    }
}

People.java

package showtabledata.demo.entities;

import java.util.Date;

public class People {

    private Integer id;
    private  String name;
    private String email;
    private Integer gender;
    private Date birth;

    public People(Integer id, String name, String email, Integer gender, Date birth) {
        this.id = id;
        this.name = name;
        this.email = email;
        this.gender = gender;
        this.birth = birth;
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email;
    }

    public Integer getGender() {
        return gender;
    }

    public void setGender(Integer gender) {
        this.gender = gender;
    }

    public Date getBirth() {
        return birth;
    }

    public void setBirth(Date birth) {
        this.birth = birth;
    }

    @Override
    public String toString() {
        return "People{" +
                "id=" + id +
                ", name='" + name + ''' +
                ", email='" + email + ''' +
                ", gender=" + gender +
                ", birth=" + birth +
                '}';
    }
}

index.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>呵呵</title>
    <link href="#" th:href="@{/webjars/bootstrap/4.0.0/css/bootstrap.css}" rel="stylesheet">
</head>
<body>

<div class="table-responsive">
    <table class="table table-striped table-sm">
        <thead>
            <tr>
                <th>编号</th>
                <th>姓名</th>
                <th>邮箱</th>
                <th>性别</th>
                <th>生日</th>
                <th>操作</th>
            </tr>
        </thead>
        <tbody>
        <tr th:each="people:${index}">
            <td th:text="${people.id}"></td>
            <td>[[${people.name}]]</td>
            <td th:text="${people.email}"></td>
            <td th:text="${people.gender} == 1 ? '男' : '女'"></td>
            <td th:text="${#dates.format(people.birth, 'yyy-MMM-ddd HH:mm')}"></td>
            <td>
                <button class="btn btn-sm btn-primary">编辑</button>
                <button class="btn btn-sm btn-danger">删除</button>
            </td>
        </tr>
        </tbody>
    </table>
</div>

</body>
</html>

application.properties

spring.thymeleaf.cache=false

porn.xml

<?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>1.5.19.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.loginWebDemo</groupId>
    <artifactId>demo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>loginWeb</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <thymeleaf.version>3.0.9.RELEASE</thymeleaf.version>
        <thymeleaf-layout-dialect.version>2.2.2</thymeleaf-layout-dialect.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>

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

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

        <!--引入jquery-webjar-->
        <dependency>
            <groupId>org.webjars</groupId>
            <artifactId>jquery</artifactId>
            <version>3.3.1</version>
        </dependency>

        <!--引入bootstrap-->
        <dependency>
            <groupId>org.webjars</groupId>
            <artifactId>bootstrap</artifactId>
            <version>4.0.0</version>
        </dependency>

    </dependencies>

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

</project>