狂神说springboot链接：https://blog.csdn.net/qq_41978509/article/details/116104434?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522166411301616782391881108%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=166411301616782391881108&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2

thymeleaf模板

        <!--thymeleaf模板-->
        <dependency>
            <groupId>org.thymeleaf</groupId>
            <artifactId>thymeleaf-spring5</artifactId>
        </dependency>
        <dependency>
            <groupId>org.thymeleaf.extras</groupId>
            <artifactId>thymeleaf-extras-java8time</artifactId>
        </dependency>

头文件

xmlns:th="http://www.thymeleaf.org"