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一：语法简单总结
Thymeleaf是一个Java类库,是xml/html/html5的模板引擎,SpringBoot框架推荐在MVC的Web应用做做View层使用.
SpringBoot中整合Thymeleaf依赖如下.
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency> <properties>
<!-- set thymeleaf version SpringBoot默认使用的是Thymeleaf的2.0的版本.-->
<thymeleaf.version>3.0.9.RELEASE</thymeleaf.version>
<thymeleaf-layout-dialect.version>2.1.1</thymeleaf-layout-dialect.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
ThymeleafProperties的源码如下.
将application.yml中的spring.thymeleaf的配置注入下面对应的属性中,有几个是默认的,剩下的都是根据使用情况配置的,然后注入到相应的值中.
@ConfigurationProperties：批量注入属性值.
@Value：单个注入属性值.
@ConfigurationProperties(
prefix = "spring.thymeleaf"
)
public class ThymeleafProperties {
private static final Charset DEFAULT_ENCODING;
public static final String DEFAULT_PREFIX = "classpath:/templates/";
public static final String DEFAULT_SUFFIX = ".html";
private boolean checkTemplate = true;
private boolean checkTemplateLocation = true;
private String prefix = "classpath:/templates/";
private String suffix = ".html";
private String mode = "HTML";
private Charset encoding;
private boolean cache;
private Integer templateResolverOrder;
private String[] viewNames;
private String[] excludedViewNames;
private boolean enableSpringElCompiler;
private boolean enabled;
private final ThymeleafProperties.Servlet servlet;
private final ThymeleafProperties.Reactive reactive;
public ThymeleafProperties() {
this.encoding = DEFAULT_ENCODING;
this.cache = true;
this.enabled = true;
this.servlet = new ThymeleafProperties.Servlet();
this.reactive = new ThymeleafProperties.Reactive();
}命名空间如下,静态页面转换为动态视图.
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">1. Thymeleaf引入css资源.
th:href="@{path}"
<link rel="stylesheet" th:href="@{/css/bootstrap.min.css}" media="all">2. Thymeleaf引入JavaScript资源.
th:src="@{path}"
<script th:src="@{js/jquery-3.1.1.min.js}"></script>通过 "@{}"引用静态资源.
3. 访问Model中的数据.
${}访问model中的属性.
<span th:text="${singlePerson.name}"></span>动态处理的元素使用"th:"为前缀.
4. model中的数据迭代.
判断list集合不为空.
<div th:if="${not #lists.isEmpty(person)}">
</div>迭代list集合数据.list中保存实体对象.
<div class="panel-body">
<ul class="list-group">
<li class="list-group-item" th:each="person:${person}">
<span th:text="${person.name}"></span>
<span th:text="${person.age}"></span>
<button class="btn" th:onclick=" 'getPersonName(\'' +${person.name}+ '\'); '">获得名字</button>
</li>
</ul>
</div>如何获取遍历列表的序号,方式一：${stat.count}是从1开始的,方式 二：${stat.index}是从0开始的,如果从1开始就${stat.index+1}.
<tr th:each="novel,stat:${resultlist}">
<th style="text-align:center;" th:text="${stat.count}"></th>迭代list,里面存放map对象.
th:text=${novel['Map Key']}
<tr th:each="novel,stat:${resultlist}">
<th style="text-align:center;" th:text="${stat.count}"></th>
<th style="text-align:center;" th:text="${novel['Index']}"></th>
<th style="text-align:center;" th:text="${novel['Type']}"></th>
<th style="text-align:center;" th:text="${novel['Id']}"></th>
<th style="text-align:center;" th:utext="${novel['Highlight']}"></th>
<th style="text-align:center;" th:text="${novel['Scope']}"></th>
</tr>
5. 在JavaScript中访问model中的数据.
通过th:inline=“javascript”添加到script标签,这样Javascript就可以访问model中的对象属性了.
通过“[[${}]]”访问实际的值.
<script th:inline="javascript">
var single=[[${singlePerson}]];
console.log(single.name+"/"+single.age);
function getPersonName(name){
console.log(name);
}
</script>6. 解析model属性值中的html标签.
<th style="text-align:center;" th:utext="${novel['Highlight']}"></th>7. 格式化.(表达式对象)
7.1格式化金额.小数位为2为.
<dd th:text="${#numbers.formatDecimal(product.price, 1, 2)}">350</dd>7.2 格式化日期
<dd th:text="${#dates.format(product.availableFrom, 'yyyy-MM-dd')}">28-Jun-2018</dd>7.3 字符串连接
<span th:text="${'Hi'+person.name}"></span>