1、创建SpringBoot应用，选中我们需要的模块；
2、SpringBoot已经默认将这些场景配置好了，只需要在配置文件中指定少量配置就可以运行起来；
3、自己编写业务代码。
自动配置原理？
这个场景SpringBoot帮我们配置了什么？能不能修改？能修改哪些配置？能不能扩展？
创建新的工程：
1、所有 /webjars/** ，都去 classpath:/META-INF/resources/webjars/ 找资源；
webjars：以jar包的方式引入静态资源；
2、"/**" 访问当前项目的任何资源，都去（静态资源的文件夹）找映射
localhost:8080/abc === 去静态资源文件夹里面找abc
3、欢迎页； 静态资源文件夹下的所有index.html页面；被"/**"映射；
localhost:8080/ 找index页面
4、所有的 **/favicon.ico 都是在静态资源文件下找；
在public文件夹下创建index.html文件
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <h1>首页</h1> </body> </html>
运行主程序：
访问地址 http://localhost:8081/
模板引擎
JSP、Velocity、Freemarker、Thymeleaf
SpringBoot推荐的Thymeleaf；
语法更简单，功能更强大；
引入依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
引入版本信息
<thymeleaf.version>3.0.9.RELEASE</thymeleaf.version> <!-- 布局功能的支持程序 thymeleaf3主程序 layout2以上版本 --> <!-- thymeleaf2 layout1--> <thymeleaf-layout-dialect.version>2.2.2</thymeleaf-layout-dialect.version>
Thymeleaf使用
只要我们把HTML页面放在classpath:/templates/，thymeleaf就能自动渲染
编写一个HelloController类
package com.atguigu.springboot.controller; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; @Controller public class HelloController { @ResponseBody @RequestMapping("/hello") public String hello(){ return "Hello World!"; } @RequestMapping("/success") public String success(){ //classpath:/templates/success.html return "success"; } }
编写success.html文件
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<h1>成功！</h1>
</body>
</html>
运行主程序：
访问地址 http://localhost:8081/success
使用：
1、导入thymeleaf的名称空间
<html lang="en" xmlns:th="http://www.thymeleaf.org">
2、使用thymeleaf的语法
<!DOCTYPE html> <html lang="en" xmlns:th="http://www.thymeleaf.org"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <h1>成功！</h1> <!--th:text 将div里面的文本内容设置为 --> <div th:text="${hello}"> </div> </body> </html>
访问地址 http://localhost:8081/success
3、语法规则
1）、th:text 改变当前元素里面的文本内容；
th:任意html属性；来替换原生属性的值
<!DOCTYPE html> <html lang="en" xmlns:th="http://www.thymeleaf.org"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <hr> <h1>成功！</h1> <!--th:text 将div里面的文本内容设置为 --> <div id="div01" class="myDiv" th:id="${hello}" th:class="${hello}" th:text="${hello}"> </div> <hr/> <div th:text="${hello}"> </div> <div th:utext="${hello}"></div> <hr/> <!-- th:each每次遍历都会生成当前这个标签： 3个h4 --> <h4 th:text="${user}" th:each="user:${users}"> </h4> <hr/> <h4> <span th:each="user:${users}">[[${user}]] </span> </h4> </body> </html>
package com.atguigu.springboot.controller; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import java.util.Arrays; import java.util.Map; @Controller public class HelloController { @ResponseBody @RequestMapping("/hello") public String hello(){ return "Hello World!"; } //查出一些数据，在页面展示 @RequestMapping("/success") public String success(Map<String,Object> map){ map.put("hello","<h1>你好</h1>"); map.put("users", Arrays.asList("zhangsan","lisi","wangwu")); return "success"; } }
运行主程序：
访问地址 http://localhost:8081/success
三、SpringMVC自动配置
https://docs.spring.io/spring-boot/docs/1.5.10.RELEASE/reference/htmlsingle/#boot-features-developingweb-applications
原理：
1）、WebMvcAutoConfiguration是SpringMVC的自动配置类
2）、在做其他自动配置时会导入；@Import(EnableWebMvcConfiguration.class)
3）、容器中所有的WebMvcConfigurer都会一起起作用；
4）、我们的配置类也会被调用；
效果：SpringMVC的自动配置和我们的扩展配置都会起作用；
新建 MyMvcConfig类
package com.atguigu.springboot.config; import org.springframework.context.annotation.Configuration; import org.springframework.web.servlet.config.annotation.ViewControllerRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; @Configuration public class MyMvcConfig extends WebMvcConfigurerAdapter { @Override public void addViewControllers(ViewControllerRegistry registry){ //浏览器发送 /atguigu 请求来到 success registry.addViewController("/atguigu").setViewName("success"); } }
浏览器访问地址 http://localhost:8081/atguigu
原理：
为什么@EnableWebMvc自动配置就失效了；
添加这四个类
package com.atguigu.springboot.entities; public class Department { private Integer id; private String departmentName; public Department() { } public Department(int i, String string) { this.id = i; this.departmentName = string; } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getDepartmentName() { return departmentName; } public void setDepartmentName(String departmentName) { this.departmentName = departmentName; } @Override public String toString() { return "Department [>; } }
package com.atguigu.springboot.entities; import java.util.Date; public class Employee { private Integer id; private String lastName; private String email; //1 male, 0 female private Integer gender; private Department department; private Date birth; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public Integer getGender() { return gender; } public void setGender(Integer gender) { this.gender = gender; } public Department getDepartment() { return department; } public void setDepartment(Department department) { this.department = department; } public Date getBirth() { return birth; } public void setBirth(Date birth) { this.birth = birth; } public Employee(Integer id, String lastName, String email, Integer gender, Department department) { super(); this.id = id; this.lastName = lastName; this.email = email; this.gender = gender; this.department = department; this.birth = new Date(); } public Employee() { } @Override public String toString() { return "Employee{" + "id=" + id + ", lastName='" + lastName + '\'' + ", email='" + email + '\'' + ", gender=" + gender + ", department=" + department + ", birth=" + birth + '}'; } }
package com.atguigu.springboot.dao; import java.util.Collection; import java.util.HashMap; import java.util.Map; import com.atguigu.springboot.entities.Department; import org.springframework.stereotype.Repository; @Repository public class DepartmentDao { private static Map<Integer, Department> departments = null; static{ departments = new HashMap<Integer, Department>(); departments.put(101, new Department(101, "D-AA")); departments.put(102, new Department(102, "D-BB")); departments.put(103, new Department(103, "D-CC")); departments.put(104, new Department(104, "D-DD")); departments.put(105, new Department(105, "D-EE")); } public Collection<Department> getDepartments(){ return departments.values(); } public Department getDepartment(Integer id){ return departments.get(id); } }
package com.atguigu.springboot.dao; import java.util.Collection; import java.util.HashMap; import java.util.Map; import com.atguigu.springboot.entities.Department; import com.atguigu.springboot.entities.Employee; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Repository; @Repository public class EmployeeDao { private static Map<Integer, Employee> employees = null; @Autowired private DepartmentDao departmentDao; static{ employees = new HashMap<Integer, Employee>(); employees.put(1001, new Employee(1001, "E-AA", "aa@163.com", 1, new Department(101, "D-AA"))); employees.put(1002, new Employee(1002, "E-BB", "bb@163.com", 1, new Department(102, "D-BB"))); employees.put(1003, new Employee(1003, "E-CC", "cc@163.com", 0, new Department(103, "D-CC"))); employees.put(1004, new Employee(1004, "E-DD", "dd@163.com", 0, new Department(104, "D-DD"))); employees.put(1005, new Employee(1005, "E-EE", "ee@163.com", 1, new Department(105, "D-EE"))); } private static Integer initId = 1006; public void save(Employee employee){ if(employee.getId() == null){ employee.setId(initId++); } employee.setDepartment(departmentDao.getDepartment(employee.getDepartment().getId())); employees.put(employee.getId(), employee); } public Collection<Employee> getAll(){ return employees.values(); } public Employee get(Integer id){ return employees.get(id); } public void delete(Integer id){ employees.remove(id); } }
添加这四个文件
<!DOCTYPE html> <!-- saved from url=(0052)http://getbootstrap.com/docs/4.0/examples/dashboard/ --> <html lang="en"> <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 } 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> <nav class="navbar navbar-dark sticky-top bg-dark flex-md-nowrap p-0"> <a class="navbar-brand col-sm-3 col-md-2 mr-0" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">Company name</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> <div class="container-fluid"> <div class="row"> <nav class="col-md-2 d-none d-md-block bg-light sidebar"> <div class="sidebar-sticky"> <ul class="nav flex-column"> <li class="nav-item"> <a class="nav-link active" 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-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" 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-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> Customers </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> <main role="main" class="col-md-9 ml-sm-auto col-lg-10 pt-3 px-4"> <h1>404</h1> </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"> <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 } 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> <nav class="navbar navbar-dark sticky-top bg-dark flex-md-nowrap p-0"> <a class="navbar-brand col-sm-3 col-md-2 mr-0" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">Company name</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> <div class="container-fluid"> <div class="row"> <nav class="col-md-2 d-none d-md-block bg-light sidebar"> <div class="sidebar-sticky"> <ul class="nav flex-column"> <li class="nav-item"> <a class="nav-link active" 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-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" 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-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> Customers </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> <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;width: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;width: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; width: 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"> <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 } 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> <nav class="navbar navbar-dark sticky-top bg-dark flex-md-nowrap p-0"> <a class="navbar-brand col-sm-3 col-md-2 mr-0" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">Company name</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> <div class="container-fluid"> <div class="row"> <nav class="col-md-2 d-none d-md-block bg-light sidebar"> <div class="sidebar-sticky"> <ul class="nav flex-column"> <li class="nav-item"> <a class="nav-link active" 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-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" 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-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> Customers </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> <main role="main" class="col-md-9 ml-sm-auto col-lg-10 pt-3 px-4"> <h2>Section title</h2> <div class="table-responsive"> <table class="table table-striped table-sm"> <thead> <tr> <th>#</th> <th>Header</th> <th>Header</th> <th>Header</th> <th>Header</th> </tr> </thead> <tbody> <tr> <td>1,001</td> <td>Lorem</td> <td>ipsum</td> <td>dolor</td> <td>sit</td> </tr> <tr> <td>1,002</td> <td>amet</td> <td>consectetur</td> <td>adipiscing</td> <td>elit</td> </tr> <tr> <td>1,003</td> <td>Integer</td> <td>nec</td> <td>odio</td> <td>Praesent</td> </tr> <tr> <td>1,003</td> <td>libero</td> <td>Sed</td> <td>cursus</td> <td>ante</td> </tr> <tr> <td>1,004</td> <td>dapibus</td> <td>diam</td> <td>Sed</td> <td>nisi</td> </tr> <tr> <td>1,005</td> <td>Nulla</td> <td>quis</td> <td>sem</td> <td>at</td> </tr> <tr> <td>1,006</td> <td>nibh</td> <td>elementum</td> <td>imperdiet</td> <td>Duis</td> </tr> <tr> <td>1,007</td> <td>sagittis</td> <td>ipsum</td> <td>Praesent</td> <td>mauris</td> </tr> <tr> <td>1,008</td> <td>Fusce</td> <td>nec</td> <td>tellus</td> <td>sed</td> </tr> <tr> <td>1,009</td> <td>augue</td> <td>semper</td> <td>porta</td> <td>Mauris</td> </tr> <tr> <td>1,010</td> <td>massa</td> <td>Vestibulum</td> <td>lacinia</td> <td>arcu</td> </tr> <tr> <td>1,011</td> <td>eget</td> <td>nulla</td> <td>Class</td> <td>aptent</td> </tr> <tr> <td>1,012</td> <td>taciti</td> <td>sociosqu</td> <td>ad</td> <td>litora</td> </tr> <tr> <td>1,013</td> <td>torquent</td> <td>per</td> <td>conubia</td> <td>nostra</td> </tr> <tr> <td>1,014</td> <td>per</td> <td>inceptos</td> <td>himenaeos</td> <td>Curabitur</td> </tr> <tr> <td>1,015</td> <td>sodales</td> <td>ligula</td> <td>in</td> <td>libero</td> </tr> </tbody> </table> </div> </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> <html lang="en"> <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" rel="stylesheet"> <!-- Custom styles for this template --> <link href="asserts/css/signin.css" rel="stylesheet"> </head> <body class="text-center"> <form class="form-signin" action="dashboard.html"> <img class="mb-4" src="asserts/img/bootstrap-solid.svg" alt="" width="72" height="72"> <h1 class="h3 mb-3 font-weight-normal">Please sign in</h1> <label class="sr-only">Username</label> <input type="text" class="form-control" placeholder="Username" required="" autofocus=""> <label class="sr-only">Password</label> <input type="password" class="form-control" placeholder="Password" required=""> <div class="checkbox mb-3"> <label> <input type="checkbox" value="remember-me"> Remember me </label> </div> <button class="btn btn-lg btn-primary btn-block" type="submit">Sign in</button> <p class="mt-5 mb-3 text-muted">© 2017-2018</p> <a class="btn btn-sm">中文</a> <a class="btn btn-sm">English</a> </form> </body> </html>
修改配置文件
添加方法
package com.atguigu.springboot.config; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.servlet.config.annotation.EnableWebMvc; import org.springframework.web.servlet.config.annotation.ViewControllerRegistry; import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter; //@EnableWebMvc @Configuration public class MyMvcConfig extends WebMvcConfigurerAdapter { @Override public void addViewControllers(ViewControllerRegistry registry){ //浏览器发送 /atguigu 请求来到 success registry.addViewController("/atguigu").setViewName("success"); } //所有的WebMvcConfigurerAdapter组件都会一起起作用 @Bean //将组件注册在容器 public WebMvcConfigurerAdapter webMvcConfigurerAdapter(){ WebMvcConfigurerAdapter adapter = new WebMvcConfigurerAdapter() { @Override public void addViewControllers(ViewControllerRegistry registry){ registry.addViewController("/").setViewName("login"); registry.addViewController("/index.html").setViewName("index"); } }; return adapter; } }
启动主程序
访问地址 http://localhost:8081/
6、国际化
步骤：
1）、编写国际化配置文件，抽取页面需要显示的国际化消息
添加三个国际化配置文件
2）、SpringBoot自动配置好了管理国际化资源文件的组件；
3）、去页面获取国际化的值；
修改编码方式
原理：
国际化Locale（区域信息对象）；LocaleResolver（获取区域信息对象）；
新增类
package com.atguigu.springboot.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; /** * 可以在连接上携带区域信息 * */ public class MyLocaleResolver implements LocaleResolver { @Override public Locale resolveLocale(HttpServletRequest request) { String l=request.getParameter("1"); Locale locale=Locale.getDefault(); if(!StringUtils.isEmpty(l)){ String [] split = l.split("_"); locale = new Locale(split[0],split[1]); } return locale; } @Override public void setLocale(HttpServletRequest request, HttpServletResponse response, Locale locale) { } }
新增方法
@Bean public LocaleResolver localeResolver(){ return new MyLocaleResolver(); }