SpringBoot中的RequesMapping两层路径时html中会无法加载样式

在list.html页面中使用/templates/emp 请求跳转到add.html页面中如果在Controller中写的是两层路径则无法加载样式。

list.html

<div class="container-fluid">
			<div class="row">
				<!--引入侧边栏-->
				<div th:replace="commons/bar::#sidebar(activeUri='emps')"></div>

				<main role="main" class="col-md-9 ml-sm-auto col-lg-10 pt-3 px-4">
					<h2><a class="btn btn-sm btn-success" href="" th:href="@{/templates/emp}">员工添加</a></h2>
					<div class="table-responsive">
						<table class="table table-striped table-sm">
							<thead>
								<tr>
									<th>#</th>
									<th>lastName</th>
									<th>email</th>
									<th>gender</th>
									<th>department</th>
									<th>birth</th>
									<th>操作</th>
								</tr>
							</thead>

add.html

<!DOCTYPE html>
<!-- saved from url=(0052)http://getbootstrap.com/docs/4.0/examples/dashboard/ -->
<html lang="en" xmlns:th="http://www.thymeleaf.org">

	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
		<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
		<meta name="description" content="">
		<meta name="author" content="">

		<title>Dashboard Template for Bootstrap</title>
		<!-- Bootstrap core CSS -->
		<link href="asserts/css/bootstrap.min.css"  rel="stylesheet">

		<!-- Custom styles for this template -->
		<link href="asserts/css/dashboard.css"  rel="stylesheet">


<!--		<style type="text/css">-->
<!--			/* Chart.js */-->
<!--			-->
<!--			@-webkit-keyframes chartjs-render-animation {-->
<!--				from {-->
<!--					opacity: 0.99-->

EmployeeController.java


@Controller
public class EmployeeController {

    @Autowired
    private EmployeeDao employeeDao;

    // 查询所有的用户信息
    @GetMapping(value = "/emps")
    public String employees(Model model){
        Collection<Employee> employees = employeeDao.getAll();
        model.addAttribute("emps",employees);
        return "emp/list";
    }

    //
    @GetMapping(value = "/templates/emp")
    public String toAddPage(){
        return "emp/add";
    }

}

解决方法：

1.将list.html和Controller中的路径改为一层/emp

2.将add.html中的加载css路径改为

		<link href="/asserts/css/bootstrap.min.css"  rel="stylesheet">
或者
		<link href="../asserts/css/bootstrap.min.css"  rel="stylesheet">
		<!-- Custom styles for this template -->
		<link href="/asserts/css/dashboard.css"  rel="stylesheet">
或者
		<link href="../asserts/css/dashboard.css"  rel="stylesheet">

SpringBoot中的RequesMapping两层路径时html中会无法加载样式

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