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spring-boot-笔记-2-thymeleaf初步了解

2017-08-18 21:42 302 查看

参看：

http://www.cnblogs.com/beyrl-blog/p/6633182.html

http://www.cnblogs.com/ityouknow/p/5833560.html

http://www.cnblogs.com/nuoyiamy/p/5591559.html

1.thymeleaf的pom.xml配置

2.application.properties文件配置

3.引入url

4.案例

注：

在maven搭建的spring-boot项目中有关web资源文件路径

在src/main/resources下：

static

|– css

|– images

|– js

templates

|– hello.html

1. thymeleaf的pom.xml配置

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!--
<artifactId>spring-boot-starter-thymeleaf</artifactId>包含了下面的，故可以去掉
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
-->

<html xmlns:th=”http://www.thymeleaf.org”>在html页面的首行使用这个命名空间，使得可以利用th动态处理元素

通过@{}访问web的静态资源

${}访问model中的属性值

2.application.properties文件配置

#spring.profiles.active=testP
spring.profiles.include: testa,testn,bean
#配置tomcat端口
server.port=80
#配置tomcat访问路径，默认为/
server.context-path=/springbootTest
#配置tomcat编码
server.tomcat.uri-encoding=UTF-8
#Log configuration
logging.file=E:/log.log
logging.level.org.springframework.web = DEBUG
degub=true
#thymeleaf start
spring.thymeleaf.mode=HTML5
spring.thymeleaf.encoding=UTF-8
spring.thymeleaf.content-type=text/html
#开发时关闭缓存,不然没法看到实时页面
spring.thymeleaf.cache=false
#thymeleaf end

3.引入URL

Thymeleaf对于URL的处理是通过语法@{…}来处理的

<a th:href=”@{http://blog.csdn.net/u012706811}”>绝对路径</a>

<a th:href=”@{/}”>相对路径</a>

<a th:href=”@{css/bootstrap.min.css}”>Content路径,默认访问static下的css文件夹</a>

4. 案例

控制类：

package com.example.springbootNote1;

import java.util.ArrayList;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import com.example.springbootNote1.entity.Person;

@Controller
public class ThymeleafTest {

private Logger logger = LoggerFactory.getLogger(ThymeleafTest.class);

@Autowired
private Person person;

@RequestMapping("thymeleaf")
public String thymeleafTest(Model model){
List<Person> persons = new ArrayList<Person>();
Person person1 = new Person();
person1.setName("钟亮");
person1.setSex("男");
person1.setAge("12");
Person person2 = new Person();
person2.setName("孙正强");
person2.setSex("男");
person2.setAge("13");
persons.add(person);
persons.add(person1);
persons.add(person2);
model.addAttribute("person", person);
model.addAttribute("persons", persons);
return "thymeleaftest";
}

}

实体代码：

package com.example.springbootNote1.entity;

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;

@Component
@ConfigurationProperties(prefix="person")//配置资源文件中的前缀
//@PropertySource("classpath:config/bean.properties")//配置资源文件的路径
public class Person {
private String name;
private String age;
private String sex;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
}

html页面

<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title>hello</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

<link rel="stylesheet" th:href="@{/css/a.css}"/>
</head>
<body>
<!--/*@thymesVar id="name" type="java.lang.String"*/-->
<p th:text="'Hello！:, ' + ${person.name} + '!' + '----' + ${person.age} + '----'+ ${person.sex}" ></p>
<br/><br/>

<div>
<p>input中的value</p>
<input type="text" th:value="${person.name}"/>
<br/><br/>

<p>运算符:</p>
<p th:with="isEven=(3 % 2 == 0)"></p>
<br/><br/>

<p>条件判断 是否为空</p>
<div th:if="${not #lists.isEmpty(persons)}">
<p>循环遍历</p>
<div th:each="person:${persons}">
<p style="background:olive;color:white;">
<span th:text="${person.name}"></span>--<span th:text="${person.age}"></span>
<span th:text="${person.sex}"></span>
</p>
</div>
</div>
<br/><br/>

<p>switch</p>
<div>
<div th:switch="${person.name}">
<p th:case="'曹雪坤'">曹雪坤</p>
<p th:case="#{person.age}">钟亮</p>
<p th:case="*">孙正强</p>
</div>
</div>
<br/><br/>

<p>if</p>
<p th:if="${person.age == '11'}">满足条件才显示</p>
<br/><br/>

<p>unless</p>
<p th:unless="${person.age == '12'}">不满足条件才显示</p>
<br/><br/>

<!-- <p>判断符号用法：gt(>), lt(<), ge(>=), le(<=), not(!). Also eq(==), neq/ne (!=)</p> -->
<p>gt(>), lt(<)</p>
<p th:if="11 < 12"><</p>
<br/><br/>

</div>
<!-- js获取model中的值 -->
<script th:inline="javascript">
var name = [[${person.name}]];
alert(name);
</script>
</body>
</html>

资源文件

application-testa.properties

book.author=caoxuekun

application-testn.properties

book.name=spring boot

application-bean.properties

person.name=\u66F9\u96EA\u5764
person.age=11
person.sex=\u7537

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