• springboot项目小总结

    使用模板引擎 thyemlef 可以直接将 html文件进行导入

    loginhtml文件   html中常用的表达式

     <link href="asserts/css/signin.css" th:href="@{/asserts/css/signin.css}" rel="stylesheet">
    <form class="form-signin" action="dashboard.html" th:action="@{/user/login}" method="post">
    <img class="mb-4" src="asserts/img/bootstrap-solid.svg" th:src="@{asserts/img/bootstrap-solid.svg}" alt="" width="72" height="72">
    <h1 class="h3 mb-3 font-weight-normal" th:text="#{login.tip}">Please sign in</h1>
     <p style="color: red" th:text="${msg}" th:if="${not #strings.isEmpty(msg)}"></p>
     <input type="password" name="password" class="form-control" th:placeholder="#{login.password}" placeholder="Password" required="">
      <a class="btn btn-sm" th:href="@{/index.html(l='zh_CN')}">中文</a>
   <a class="btn btn-sm" th:href="@{/index.html(l='en_US')}">English</a>
                                                    参数直接写在（）中
     <input type="checkbox" value="remember-me"/> [[#{login.remember}]]   行内表达式
    <!DOCTYPE html>
<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>Signin Template for Bootstrap</title>
        <!-- Bootstrap core CSS -->
        <link href="asserts/css/bootstrap.min.css" th:href="@{/webjars/bootstrap/4.0.0/css/bootstrap.css}" rel="stylesheet">
        <!-- Custom styles for this template -->
        <link href="asserts/css/signin.css" th:href="@{/asserts/css/signin.css}" rel="stylesheet">
    </head>

    <body class="text-center">
        <form class="form-signin" action="dashboard.html" th:action="@{/user/login}" method="post">
            <img class="mb-4" src="asserts/img/bootstrap-solid.svg" th:src="@{asserts/img/bootstrap-solid.svg}" alt="" width="72" height="72">
            <h1 class="h3 mb-3 font-weight-normal" th:text="#{login.tip}">Please sign in</h1>
            <p style="color: red" th:text="${msg}" th:if="${not #strings.isEmpty(msg)}"></p>
            <label class="sr-only" th:text="#{login.username}">Username</label>
            <input type="text" name="username" class="form-control" th:placeholder="#{login.username}" placeholder="Username" required="" autofocus="">
            <label class="sr-only" th:text="#{login.password}">Password</label>
            <input type="password" name="password" class="form-control" th:placeholder="#{login.password}" placeholder="Password" required="">
            <div class="checkbox mb-3">
                <label>
          <input type="checkbox" value="remember-me"/> [[#{login.remember}]]
        </label>
            </div>
            <button class="btn btn-lg btn-primary btn-block" type="submit" th:text="#{login.btn}">Sign in</button>
            <p class="mt-5 mb-3 text-muted">© 2017-2018</p>
            <a class="btn btn-sm" th:href="@{/index.html(l='zh_CN')}">中文</a>
            <a class="btn btn-sm" th:href="@{/index.html(l='en_US')}">English</a>
        </form>

    </body>

</html>

    又因为html中页面中会有很多重复的代码此时可以抽取出来常用的操作有

     

     可以将抽取的代码放在一个文件夹中

      <!--引入上边栏目-->
        <!--引入topbar-->
        <div th:replace="commons/bar::topbar"></div>
     <!--引入sidebar-->
         <div th:replace="commons/bar::#sidebar(activeUri='main.html')"></div>
    在哪删的就在哪引入
    <!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" th:href="@{/webjars/bootstrap/4.0.0/css/bootstrap.css}" rel="stylesheet">

        <!-- Custom styles for this template -->
        <link href="asserts/css/dashboard.css"  th:href="@{/asserts/css/dashboard.css}" rel="stylesheet">
        <style type="text/css">
            /* Chart.js */
            
            @-webkit-keyframes chartjs-render-animation {
                from {
                    opacity: 0.99
                }
                to {
                    opacity: 1
                }
            }
            
            @keyframes chartjs-render-animation {
                from {
                    opacity: 0.99
                }
                to {
                    opacity: 1
                }
            }
            
            .chartjs-render-monitor {
                -webkit-animation: chartjs-render-animation 0.001s;
                animation: chartjs-render-animation 0.001s;
            }
        </style>
    </head>

    <body>
        <!--引入上边栏目-->
        <!--引入topbar-->
        <div th:replace="commons/bar::topbar"></div>
        <div class="container-fluid">
            <div class="row">
                <!--引入侧边栏-->
                <!--引入sidebar-->
                <div th:replace="commons/bar::#sidebar(activeUri='main.html')"></div>
                <main role="main" class="col-md-9 ml-sm-auto col-lg-10 pt-3 px-4">
                    <div class="chartjs-size-monitor" style="position: absolute; left: 0px; top: 0px; right: 0px; bottom: 0px; overflow: hidden; pointer-events: none; visibility: hidden; z-index: -1;">
                        <div class="chartjs-size-monitor-expand" style="position:absolute;left:0;top:0;right:0;bottom:0;overflow:hidden;pointer-events:none;visibility:hidden;z-index:-1;">
                            <div style="position:absolute;1000000px;height:1000000px;left:0;top:0"></div>
                        </div>
                        <div class="chartjs-size-monitor-shrink" style="position:absolute;left:0;top:0;right:0;bottom:0;overflow:hidden;pointer-events:none;visibility:hidden;z-index:-1;">
                            <div style="position:absolute;200%;height:200%;left:0; top:0"></div>
                        </div>
                    </div>
                    <div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pb-2 mb-3 border-bottom">
                        <h1 class="h2">Dashboard</h1>
                        <div class="btn-toolbar mb-2 mb-md-0">
                            <div class="btn-group mr-2">
                                <button class="btn btn-sm btn-outline-secondary">Share</button>
                                <button class="btn btn-sm btn-outline-secondary">Export</button>
                            </div>
                            <button class="btn btn-sm btn-outline-secondary dropdown-toggle">
                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-calendar"><rect x="3" y="4" width="18" height="18" rx="2" ry="2"></rect><line x1="16" y1="2" x2="16" y2="6"></line><line x1="8" y1="2" x2="8" y2="6"></line><line x1="3" y1="10" x2="21" y2="10"></line></svg>
                This week
              </button>
                        </div>
                    </div>

                    <canvas class="my-4 chartjs-render-monitor" id="myChart" width="1076" height="454" style="display: block;  1076px; height: 454px;"></canvas>

                    
                </main>
            </div>
        </div>

        <!-- Bootstrap core JavaScript
    ================================================== -->
        <!-- Placed at the end of the document so the pages load faster -->
        <script type="text/javascript" src="asserts/js/jquery-3.2.1.slim.min.js" ></script>
        <script type="text/javascript" src="asserts/js/popper.min.js" ></script>
        <script type="text/javascript" src="asserts/js/bootstrap.min.js" ></script>

        <!-- Icons -->
        <script type="text/javascript" src="asserts/js/feather.min.js" ></script>
        <script>
            feather.replace()
        </script>

        <!-- Graphs -->
        <script type="text/javascript" src="asserts/js/Chart.min.js" ></script>
        <script>
            var ctx = document.getElementById("myChart");
            var myChart = new Chart(ctx, {
                type: 'line',
                data: {
                    labels: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
                    datasets: [{
                        data: [15339, 21345, 18483, 24003, 23489, 24092, 12034],
                        lineTension: 0,
                        backgroundColor: 'transparent',
                        borderColor: '#007bff',
                        borderWidth: 4,
                        pointBackgroundColor: '#007bff'
                    }]
                },
                options: {
                    scales: {
                        yAxes: [{
                            ticks: {
                                beginAtZero: false
                            }
                        }]
                    },
                    legend: {
                        display: false,
                    }
                }
            });
        </script>

    </body>

</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" th:href="@{/webjars/bootstrap/4.0.0/css/bootstrap.css}" rel="stylesheet">

        <!-- Custom styles for this template -->
        <link href="asserts/css/dashboard.css" th:href="@{/asserts/css/dashboard.css}" rel="stylesheet">
        <style type="text/css">
            /* Chart.js */
            
            @-webkit-keyframes chartjs-render-animation {
                from {
                    opacity: 0.99
                }
                to {
                    opacity: 1
                }
            }
            
            @keyframes chartjs-render-animation {
                from {
                    opacity: 0.99
                }
                to {
                    opacity: 1
                }
            }
            
            .chartjs-render-monitor {
                -webkit-animation: chartjs-render-animation 0.001s;
                animation: chartjs-render-animation 0.001s;
            }
        </style>
    </head>

    <body>
        <!--引入抽取的topbar-->
        <!--模板名：会使用thymeleaf的前后缀配置规则进行解析-->
        <div th:replace="commons/bar::topbar"></div>

        <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">
                    <!--需要区分是员工修改还是添加；-->
                    <form th:action="@{/emp}" method="post">
                        <!--发送put请求修改员工数据-->
                        <!--
                        1、SpringMVC中配置HiddenHttpMethodFilter;（SpringBoot自动配置好的）
                        2、页面创建一个post表单
                        3、创建一个input项，name="_method";值就是我们指定的请求方式
                        -->
                        <input type="hidden" name="_method" value="put" th:if="${emp!=null}"/>
                        <input type="hidden" name="id" th:if="${emp!=null}" th:value="${emp.id}">
                        <div class="form-group">
                            <label>LastName</label>
                            <input name="lastName" type="text" class="form-control" placeholder="zhangsan" th:value="${emp!=null}?${emp.lastName}">
                        </div>
                        <div class="form-group">
                            <label>Email</label>
                            <input name="email" type="email" class="form-control" placeholder="zhangsan@atguigu.com" th:value="${emp!=null}?${emp.email}">
                        </div>
                        <div class="form-group">
                            <label>Gender</label><br/>
                            <div class="form-check form-check-inline">
                                <input class="form-check-input" type="radio" name="gender" value="1" th:checked="${emp!=null}?${emp.gender==1}">
                                <label class="form-check-label">男</label>
                            </div>
                            <div class="form-check form-check-inline">
                                <input class="form-check-input" type="radio" name="gender" value="0" th:checked="${emp!=null}?${emp.gender==0}">
                                <label class="form-check-label">女</label>
                            </div>
                        </div>
                        <div class="form-group">
                            <label>department</label>
                            <!--提交的是部门的id-->
                            <select class="form-control" name="department.id">
                                <option th:selected="${emp!=null}?${dept.id == emp.department.id}" th:value="${dept.id}" th:each="dept:${depts}" th:text="${dept.departmentName}">1</option>
                            </select>
                        </div>
                        <div class="form-group">
                            <label>Birth</label>
                            <input name="birth" type="text" class="form-control" placeholder="zhangsan" th:value="${emp!=null}?${#dates.format(emp.birth, 'yyyy-MM-dd HH:mm')}">
                        </div>
                        <button type="submit" class="btn btn-primary" th:text="${emp!=null}?'修改':'添加'">添加</button>
                    </form>
                </main>
            </div>
        </div>

        <!-- Bootstrap core JavaScript
    ================================================== -->
        <!-- Placed at the end of the document so the pages load faster -->
        <script type="text/javascript" src="asserts/js/jquery-3.2.1.slim.min.js" th:src="@{/webjars/jquery/3.3.1/jquery.js}"></script>
        <script type="text/javascript" src="asserts/js/popper.min.js" th:src="@{/webjars/popper.js/1.11.1/dist/popper.js}"></script>
        <script type="text/javascript" src="asserts/js/bootstrap.min.js" th:src="@{/webjars/bootstrap/4.0.0/js/bootstrap.js}"></script>

        <!-- Icons -->
        <script type="text/javascript" src="asserts/js/feather.min.js" th:src="@{/asserts/js/feather.min.js}"></script>
        <script>
            feather.replace()
        </script>

    </body>

</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" th:href="@{/webjars/bootstrap/4.0.0/css/bootstrap.css}" rel="stylesheet">

        <!-- Custom styles for this template -->
        <link href="asserts/css/dashboard.css" th:href="@{/asserts/css/dashboard.css}" rel="stylesheet">
        <style type="text/css">
            /* Chart.js */
            
            @-webkit-keyframes chartjs-render-animation {
                from {
                    opacity: 0.99
                }
                to {
                    opacity: 1
                }
            }
            
            @keyframes chartjs-render-animation {
                from {
                    opacity: 0.99
                }
                to {
                    opacity: 1
                }
            }
            
            .chartjs-render-monitor {
                -webkit-animation: chartjs-render-animation 0.001s;
                animation: chartjs-render-animation 0.001s;
            }
        </style>
    </head>

    <body>
        <!--引入抽取的topbar-->
        <!--模板名：会使用thymeleaf的前后缀配置规则进行解析-->
        <div th:replace="commons/bar::topbar"></div>

        <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="emp" th:href="@{/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>
                            <tbody>
                                <tr th:each="emp:${emps}">
                                    <td th:text="${emp.id}"></td>
                                    <td>[[${emp.lastName}]]</td>
                                    <td th:text="${emp.email}"></td>
                                    <td th:text="${emp.gender}==0?'女':'男'"></td>
                                    <td th:text="${emp.department.departmentName}"></td>
                                    <td th:text="${#dates.format(emp.birth, 'yyyy-MM-dd HH:mm')}"></td>
                                    <td>
                                        <a class="btn btn-sm btn-primary" th:href="@{/emp/}+${emp.id}">编辑</a>
                                        <button th:attr="del_uri=@{/emp/}+${emp.id}" class="btn btn-sm btn-danger deleteBtn">删除</button>
                                    </td>
                                </tr>
                            </tbody>
                        </table>
                    </div>
                </main>
                <form id="deleteEmpForm"  method="post">
                    <input type="hidden" name="_method" value="delete"/>
                </form>
            </div>
        </div>

        <!-- Bootstrap core JavaScript
    ================================================== -->
        <!-- Placed at the end of the document so the pages load faster -->
        <script type="text/javascript" src="asserts/js/jquery-3.2.1.slim.min.js" th:src="@{/webjars/jquery/3.3.1/jquery.js}"></script>
        <script type="text/javascript" src="asserts/js/popper.min.js" th:src="@{/webjars/popper.js/1.11.1/dist/popper.js}"></script>
        <script type="text/javascript" src="asserts/js/bootstrap.min.js" th:src="@{/webjars/bootstrap/4.0.0/js/bootstrap.js}"></script>

        <!-- Icons -->
        <script type="text/javascript" src="asserts/js/feather.min.js" th:src="@{/asserts/js/feather.min.js}"></script>
        <script>
            feather.replace()
        </script>
        <script>
            $(".deleteBtn").click(function(){
                //删除当前员工的
                $("#deleteEmpForm").attr("action",$(this).attr("del_uri")).submit();
                return false;
            });
        </script>
    </body>
</html>
    <!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<!--topbar-->
<nav class="navbar navbar-dark sticky-top bg-dark flex-md-nowrap p-0" th:fragment="topbar">
    <a class="navbar-brand col-sm-3 col-md-2 mr-0" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">[[${session.loginUser}]]</a>
    <input class="form-control form-control-dark w-100" type="text" placeholder="Search" aria-label="Search">
    <ul class="navbar-nav px-3">
        <li class="nav-item text-nowrap">
            <a class="nav-link" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">Sign out</a>
        </li>
    </ul>
</nav>

<!--sidebar-->
<nav class="col-md-2 d-none d-md-block bg-light sidebar" id="sidebar">
    <div class="sidebar-sticky">
        <ul class="nav flex-column">
            <li class="nav-item">
                <a class="nav-link active"
                   th:class="${activeUri=='main.html'?'nav-link active':'nav-link'}"
                   href="#" th:href="@{/main.html}">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-home">
                        <path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"></path>
                        <polyline points="9 22 9 12 15 12 15 22"></polyline>
                    </svg>
                    Dashboard <span class="sr-only">(current)</span>
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link"
                   href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-file">
                        <path d="M13 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V9z"></path>
                        <polyline points="13 2 13 9 20 9"></polyline>
                    </svg>
                    Orders
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-shopping-cart">
                        <circle cx="9" cy="21" r="1"></circle>
                        <circle cx="20" cy="21" r="1"></circle>
                        <path d="M1 1h4l2.68 13.39a2 2 0 0 0 2 1.61h9.72a2 2 0 0 0 2-1.61L23 6H6"></path>
                    </svg>
                    Products
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link active" href="#" th:href="@{/emps}"             //进行的高亮显示
                th:class="${activeUri=='emps'?'nav-link active':'nav-link'}">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-users">
                        <path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"></path>
                        <circle cx="9" cy="7" r="4"></circle>
                        <path d="M23 21v-2a4 4 0 0 0-3-3.87"></path>
                        <path d="M16 3.13a4 4 0 0 1 0 7.75"></path>
                    </svg>
                    员工管理
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-bar-chart-2">
                        <line x1="18" y1="20" x2="18" y2="10"></line>
                        <line x1="12" y1="20" x2="12" y2="4"></line>
                        <line x1="6" y1="20" x2="6" y2="14"></line>
                    </svg>
                    Reports
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-layers">
                        <polygon points="12 2 2 7 12 12 22 7 12 2"></polygon>
                        <polyline points="2 17 12 22 22 17"></polyline>
                        <polyline points="2 12 12 17 22 12"></polyline>
                    </svg>
                    Integrations
                </a>
            </li>
        </ul>

        <h6 class="sidebar-heading d-flex justify-content-between align-items-center px-3 mt-4 mb-1 text-muted">
            <span>Saved reports</span>
            <a class="d-flex align-items-center text-muted" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">
                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-plus-circle"><circle cx="12" cy="12" r="10"></circle><line x1="12" y1="8" x2="12" y2="16"></line><line x1="8" y1="12" x2="16" y2="12"></line></svg>
            </a>
        </h6>
        <ul class="nav flex-column mb-2">
            <li class="nav-item">
                <a class="nav-link" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-file-text">
                        <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
                        <polyline points="14 2 14 8 20 8"></polyline>
                        <line x1="16" y1="13" x2="8" y2="13"></line>
                        <line x1="16" y1="17" x2="8" y2="17"></line>
                        <polyline points="10 9 9 9 8 9"></polyline>
                    </svg>
                    Current month
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-file-text">
                        <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
                        <polyline points="14 2 14 8 20 8"></polyline>
                        <line x1="16" y1="13" x2="8" y2="13"></line>
                        <line x1="16" y1="17" x2="8" y2="17"></line>
                        <polyline points="10 9 9 9 8 9"></polyline>
                    </svg>
                    Last quarter
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-file-text">
                        <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
                        <polyline points="14 2 14 8 20 8"></polyline>
                        <line x1="16" y1="13" x2="8" y2="13"></line>
                        <line x1="16" y1="17" x2="8" y2="17"></line>
                        <polyline points="10 9 9 9 8 9"></polyline>
                    </svg>
                    Social engagement
                </a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-file-text">
                        <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
                        <polyline points="14 2 14 8 20 8"></polyline>
                        <line x1="16" y1="13" x2="8" y2="13"></line>
                        <line x1="16" y1="17" x2="8" y2="17"></line>
                        <polyline points="10 9 9 9 8 9"></polyline>
                    </svg>
                    Year-end sale
                </a>
            </li>
        </ul>
    </div>
</nav>

</body>
</html>

    自定义拦截器

    LoginHandlerIntercepter

    package cn.edu.aynu.springboot.zhaoyujing.Component;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginHandlerInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String user = (String) request.getSession().getAttribute("loginUser");
        if (user==null){
            /*未登录，返回登录页*/
            request.setAttribute("msg","没有权限，请先登录");
            request.getRequestDispatcher("/").forward(request,response);
            return  false;
        }else{
            /*登录成功*/
            return true;
        }

    }
}

     MyErrorAttributes (不过我好想没有成功页面并没有显示自定义的异常信息)

    package cn.edu.aynu.springboot.zhaoyujing.Component;

import org.springframework.boot.web.servlet.error.DefaultErrorAttributes;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.WebRequest;

import java.util.Map;

//给容器中加入我们自己定义的ErrorAttributes
@Component
public class MyErrorAttributes extends DefaultErrorAttributes {
    @Override
    public Map<String, Object> getErrorAttributes(WebRequest webRequest, boolean includeStackTrace) {
        Map<String, Object> map =    super.getErrorAttributes(webRequest, includeStackTrace);
        map.put("company","atguigu");
        //我们的异常处理器携带的数据
        Map<String,Object> ext = (Map<String, Object>) webRequest.getAttribute("ext", 0);
        map.put("ext",ext);
        return map;



    }
/*//返回值的map就是页面和json能获取的所有字段
    @Override
    public Map<String, Object> getErrorAttributes(RequestAttributes requestAttributes, boolean includeStackTrace) {
        Map<String, Object> map = super.getErrorAttributes(requestAttributes, includeStackTrace);
        map.put("company","atguigu");

        //我们的异常处理器携带的数据
        Map<String,Object> ext = (Map<String, Object>) requestAttributes.getAttribute("ext", 0);
        map.put("ext",ext);
        return map;
    }*/
}

    配置文件

    # 国际化配置文件（包名.基础名）
spring.messages.basename=i18n.login
server.tomcat.uri-encoding=UTF-8
spring.mvc.date-format=yyyy-MM-dd
# 禁用缓存
spring.thymeleaf.cache=false 
#ctrl+f9 重新编译页面
spring.datasource.password=root
spring.datasource.username=root
spring.datasource.url=jdbc:mysql://localhost:3306/jdbc
spring.datasource.driver-class-name=com.alibaba.druid.proxy.DruidDriver

#黄色背景如果不进行注册那么就不会起作用
spring.datasource.initialSize=5
spring.datasource.minIdle=5
spring.datasource.maxActive= 20
spring.datasource.maxWait= 60000
spring.datasource.timeBetweenEvictionRunsMillis= 60000
spring.datasource.minEvictableIdleTimeMillis= 300000
spring.datasource.validationQuery= SELECT 1 FROM DUAL
spring.datasource.testWhileIdle= true
spring.datasource.testOnBorrow= false
spring.datasource.testOnReturn= false
spring.datasource.poolPreparedStatements= true
#   配置监控统计拦截的filters，去掉后监控界面sql无法统计，'wall'用于防火墙
spring.datasource.filters= stat,wall,log4j
spring.datasource.maxPoolPreparedStatementPerConnectionSize= 20
spring.datasource.useGlobalDataSourceStat=true
spring.datasource.connectionProperties= druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500
#指定全局配置文件的位置
mybatis.config-location=classpath:mybatis/mybatis-config.xml
#指定sql映射文件的位置
mybatis.mapper-locations=classpath:mybatis/mapper/*.xml

mybatis.table.auto=create
mybatis.model.pack=cn.edu.aynu.springboot.zhaoyujing.entities
mybatis.database.type=mysql

    package cn.edu.aynu.springboot.zhaoyujing.Component;

import org.springframework.util.StringUtils;
import org.springframework.web.servlet.LocaleResolver;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Locale;

/*解决区域信息*/
public class MyLocalResolver implements LocaleResolver {

    @Override
    public Locale resolveLocale(HttpServletRequest request) {
        String l = request.getParameter("l");
        Locale locale = Locale.getDefault();
        if (!StringUtils.isEmpty(l)){
            String[] s = l.split("_");
            locale = new Locale(s[0], s[1]);

        }

        return locale;
    }

    @Override
    public void setLocale(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Locale locale) {

    }
}

    package cn.edu.aynu.springboot.zhaoyujing.Config;

import cn.edu.aynu.springboot.zhaoyujing.Component.LoginHandlerInterceptor;
import cn.edu.aynu.springboot.zhaoyujing.Component.MyLocalResolver;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class MyMvcConfig implements WebMvcConfigurer {

    /*添加视图映射*/
    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/").setViewName("login");
        registry.addViewController("/main.html").setViewName("dashboard");
    }

    /*添加拦截器*/
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
               /*自定义拦截器 这种写法将我的静态资源也拦截了*/
           registry.addInterceptor(new LoginHandlerInterceptor()).addPathPatterns("/**").excludePathPatterns("/","/webjars/**","/user/login","/static/**","/asserts/**");

    }
    /*将组件添加到容器中*/
    @Bean
    public  LocaleResolver localeResolver(){
        return new MyLocalResolver();
    }
}
    package cn.edu.aynu.springboot.zhaoyujing.Config;

import org.apache.ibatis.session.Configuration;
import org.mybatis.spring.boot.autoconfigure.ConfigurationCustomizer;
import org.springframework.context.annotation.Bean;

@org.springframework.context.annotation.Configuration
public class MyBatisConfig {

    @Bean
    public ConfigurationCustomizer configurationCustomizer(){
        return new ConfigurationCustomizer(){

            @Override
            public void customize(Configuration configuration) {
                /*开启驼峰命名法*/
                configuration.setMapUnderscoreToCamelCase(true);
            }
        };
    }
}
    package cn.edu.aynu.springboot.zhaoyujing.Config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.servlet.Filter;
import javax.servlet.Servlet;
import javax.sql.DataSource;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class DruidConfig {

    @ConfigurationProperties(prefix = "spring.datasource")
    @Bean
    public DataSource druid(){
        return  new DruidDataSource();
    }
    //配置Druid的监控
    //配置一个管理后台的Servlet
    @Bean
   public  ServletRegistrationBean statViewServlet(){
        ServletRegistrationBean<Servlet> bean = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");
        Map<String, String> initParams = new HashMap<>();
        initParams.put("loginUsername","admin");
        initParams.put("loginPassword","123456");
        initParams.put("allow","");//默认就是允许所有访问
        initParams.put("deny","192.168.15.21");
        bean.setInitParameters(initParams);
        return bean;
    }
     /*配置一个web监管的filter*/
    @Bean
   public FilterRegistrationBean webStatFilter(){
       final FilterRegistrationBean<Filter> bean = new FilterRegistrationBean<>();
       bean.setFilter(new WebStatFilter());
       Map<String,String> initParams = new HashMap<>();
       bean.setInitParameters(initParams);

       bean.setUrlPatterns(Arrays.asList("/*"));
       return  bean;
   }

}
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  • 原文地址：https://www.cnblogs.com/zhulina-917/p/10499594.html
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