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第一个 Thymeleaf 页面

第一个 Thymeleaf 页面

引入依赖

主要增加spring-boot-starter-thymeleafnekohtml这两个依赖

  • spring-boot-starter-thymeleaf:Thymeleaf 自动配置
  • nekohtml:允许使用非严格的 HTML 语法 完整的pom.xml如下: ``` xml <?xml version=”1.0” encoding=”UTF-8”?>
4.0.0 com.tangyuewei hello-spring-boot 0.0.1-SNAPSHOT jar hello-spring-boot org.springframework.boot spring-boot-starter-parent 2.1.6.RELEASE UTF-8 UTF-8 1.8 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-tomcat org.springframework.boot spring-boot-starter-thymeleaf org.springframework.boot spring-boot-starter-actuator org.springframework.boot spring-boot-starter-test test net.sourceforge.nekohtml nekohtml 1.9.22 org.springframework.boot spring-boot-maven-plugin com.tangyuewei.hello.spring.boot.HelloSpringBootApplication
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## 配置 Thymeleaf

在`application.yml`配置 Thymeleaf

``` yaml
spring:
  thymeleaf:
    cache: false # 开发时关闭缓存,不然没法看到实时页面
    mode: HTML # 用非严格的 HTML
    encoding: UTF-8
    servlet:
      content-type: text/html

创建测试用 JavaBean

创建一个测试效果的 JavaBean,简单封装一下即可

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package com.tangyuewei.hello.spring.boot.entity;
import java.io.Serializable;
public class PersonBean implements Serializable {
    private String name;
    private Integer age;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public Integer getAge() {
        return age;
    }
    public void setAge(Integer age) {
        this.age = age;
    }
}

创建测试用 Controller

创建一个Controller,造一些测试数据并设置跳转

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package com.tangyuewei.hello.spring.boot.controller;
import com.tangyuewei.hello.spring.boot.entity.PersonBean;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import java.util.ArrayList;
import java.util.List;
@Controller
@RequestMapping(value = "thymeleaf")
public class IndexController {
    @RequestMapping(value = "index", method = RequestMethod.GET)
    public String index(Model model) {
        PersonBean person = new PersonBean();
        person.setName("张三");
        person.setAge(22);
        List<PersonBean> people = new ArrayList<>();
        PersonBean p1 = new PersonBean();
        p1.setName("李四");
        p1.setAge(23);
        people.add(p1);
        PersonBean p2 = new PersonBean();
        p2.setName("王五");
        p2.setAge(24);
        people.add(p2);
        PersonBean p3 = new PersonBean();
        p3.setName("赵六");
        p3.setAge(25);
        people.add(p3);
        model.addAttribute("person", person);
        model.addAttribute("people", people);
        return "index";
    }
}

创建测试页面

templates目录下创建index.html文件,代码如下:

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<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Hello Thymeleaf</title>
</head>
<body>
    <div>
        <span>访问 Model:</span><span th:text="${person.name}"></span>
    </div>
    <div>
        <span>访问列表</span>
        <table>
            <thead>
                <tr>
                    <th>姓名</th>
                    <th>年龄</th>
                </tr>
            </thead>
            <tbody>
                <tr th:each="human : ${people}">
                    <td th:text="${human.name}"></td>
                    <td th:text="${human.age}"></td>
                </tr>
            </tbody>
        </table>
    </div>
</body>
</html>

测试访问

启动成功后,访问:http://localhost:9090/thymeleaf/index 即可看到效果

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Thymeleaf 简介

JVM配置

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