thymeleaf 标准表达式

一时失言乱红尘 2022-11-25 05:25 187阅读 0赞

--------------------

### thymeleaf 标准表达式 ###

**$\{..\}：**读取对象

**\*\{..\}：**$\{..\}功能增强，**还可读取当前对象**

**\#\{..\}：**读取属性文件，常用于**读取国际化文件**

<span th:text="#{hello}"></span>  //读取国际化属性文件中key：hello的value

**@\{..\}：**url链接、本地文件链接

**~\{..\}：**引入页面模板

<div th:insert="~{commons :: main}">...</div>  //插入commons.html 中 th:fragment为main的局部页面

### \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ###

**示例**

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**controller 层**

**HelloController**

@RestController
    public class HelloController {
    
        @RequestMapping("/hello")
        public ModelAndView hello(ModelAndView mv){
            Person person=new Person();
            person.setId(1);
            person.setName("瓜田李下");
            person.setAge(20);
            mv.addObject("person",person);
    
            mv.setViewName("test");
            return mv;
        }
    }

**\*\*\*\*\*\*\*\*\*\*\*\*\*\*\***

**前端页面**

**test.html**

<!DOCTYPE html>
    <html lang="en" xmlns="http://www.w3.org/1999/xhtml"
          xmlns:th="http://www.thymeleaf.org" xmlns:sec="https://www.thymeleaf.org/thymeleaf-extras-springsecurity4">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
    </head>
    <body>
    <div th:align="center" style="color: orange">
        <strong>
            <span th:text="${person.id}"></span> ==>
            <span th:text="${person.name}"></span> ==>
            <span th:text="${person.age}"></span>
        </strong>
    </div><br>
    
    <div th:align="center" style="color: aquamarine" th:object="${person}">
        <strong>
            <span th:text="*{id}"></span> ==>
            <span th:text="*{name}"></span> ==>
            <span th:text="*{age}"></span>
        </strong>
    </div><br>
    
    <div th:align="center" style="color: purple">
        <strong>
            <span th:text="*{person.id}"></span> ==>
            <span th:text="*{person.name}"></span> ==>
            <span th:text="*{person.age}"></span>
        </strong>
    </div>
    </body>
    </html>

### \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ###

**使用测试**

**localhost:8080/hello**

![20200807175508297.png][]

[20200807175508297.png]: /images/20221124/0a85c0b4b0de4974a83c85ebbd684fa6.png