/**
* 1、引入SpringSecurity；
* 2、编写SpringSecurity的配置类；
* @EnableWebSecurity extends WebSecurityConfigurerAdapter
* 3、控制请求的访问权限：
* configure(HttpSecurity http) {
* http.authorizeRequests().antMatchers("/").permitAll()
* .antMatchers("/level1/**").hasRole("VIP1")
* }
* 4、定义认证规则：
* configure(AuthenticationManagerBuilder auth){
* auth.inMemoryAuthentication()
* .withUser("zhangsan").password("123456").roles("VIP1","VIP2")
* }
* 5、开启自动配置的登陆功能：
* configure(HttpSecurity http){
* http.formLogin();
* }
* 6、注销：http.logout();
* 7、记住我：Remeberme()；
*/
@SpringBootApplication
public class SpringbootSecurityApplication {
public static void main(String[] args) {
SpringApplication.run(SpringbootSecurityApplication.class, args);
}
}
@Controller
public class KungfuController {
private final String PREFIX = "pages/";
/**
* 欢迎页
* @return
*/
@GetMapping("/")
public String index() {
return "welcome";
}
/**
* 登陆页
* @return
*/
@GetMapping("/userlogin")
public String loginPage() {
return PREFIX+"login";
}
/**
* level1页面映射
* @param path
* @return
*/
@GetMapping("/level1/{path}")
public String level1(@PathVariable("path")String path) {
return PREFIX+"level1/"+path;
}
/**
* level2页面映射
* @param path
* @return
*/
@GetMapping("/level2/{path}")
public String level2(@PathVariable("path")String path) {
return PREFIX+"level2/"+path;
}
/**
* level3页面映射
* @param path
* @return
*/
@GetMapping("/level3/{path}")
public String level3(@PathVariable("path")String path) {
return PREFIX+"level3/"+path;
}
}
@EnableWebSecurity
public class MySecurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(HttpSecurity http) throws Exception {
//super.configure(http);
//定制请求的授权规则
http.authorizeRequests().antMatchers("/").permitAll()
.antMatchers("/level1/**").hasRole("VIP1")
.antMatchers("/level2/**").hasRole("VIP2")
.antMatchers("/level3/**").hasRole("VIP3");
//开启自动配置的登陆功能，效果，如果没有登陆，没有权限就会来到登陆页面
http.formLogin().usernameParameter("user").passwordParameter("pwd")
.loginPage("/userlogin");
//1、/login来到登陆页
//2、重定向到/login?error表示登陆失败
//3、更多详细规定
//4、默认post形式的 /login代表处理登陆
//5、一但定制loginPage；那么 loginPage的post请求就是登陆
//开启自动配置的注销功能。
http.logout().logoutSuccessUrl("/");//注销成功以后来到首页
//1、访问 /logout 表示用户注销，清空session
//2、注销成功会返回 /login?logout 页面；
//开启记住我功能
http.rememberMe().rememberMeParameter("remeber");
//登陆成功以后，将cookie发给浏览器保存，以后访问页面带上这个cookie，只要通过检查就可以免登录
//点击注销会删除cookie
}
//定义认证规则
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth
.inMemoryAuthentication()
// .passwordEncoder(new MyPasswordEncoder())//在此处应用自定义PasswordEncoder
.withUser("zhangsan")
.password("123456")
.roles("VIP1","VIP2").and()
.withUser("lisi").password("123456").roles("VIP2","VIP3")
.and()
.withUser("wangwu").password("123456").roles("VIP1","VIP3");
}
}
welcome.html
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org"
xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity4">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1 align="center">欢迎光临武林秘籍管理系统</h1>
<div sec:authorize="!isAuthenticated()">
<h2 align="center">游客您好，如果想查看武林秘籍 <a th:href="@{/userlogin}">请登录</a></h2>
</div>
<div sec:authorize="isAuthenticated()">
<h2><span sec:authentication="name"></span>，您好,您的角色有：
<span sec:authentication="principal.authorities"></span></h2>
<form th:action="@{/logout}" method="post">
<input type="submit" value="注销"/>
</form>
</div>
<hr>
<div sec:authorize="hasRole(‘VIP1‘)">
<h3>普通武功秘籍</h3>
<ul>
<li><a th:href="@{/level1/1}">罗汉拳</a></li>
<li><a th:href="@{/level1/2}">武当长拳</a></li>
<li><a th:href="@{/level1/3}">全真剑法</a></li>
</ul>
</div>
<div sec:authorize="hasRole(‘VIP2‘)">
<h3>高级武功秘籍</h3>
<ul>
<li><a th:href="@{/level2/1}">太极拳</a></li>
<li><a th:href="@{/level2/2}">七伤拳</a></li>
<li><a th:href="@{/level2/3}">梯云纵</a></li>
</ul>
</div>
<div sec:authorize="hasRole(‘VIP3‘)">
<h3>绝世武功秘籍</h3>
<ul>
<li><a th:href="@{/level3/1}">葵花宝典</a></li>
<li><a th:href="@{/level3/2}">龟派气功</a></li>
<li><a th:href="@{/level3/3}">独孤九剑</a></li>
</ul>
</div>
</body>
</html>
login.html
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1 align="center">欢迎登陆武林秘籍管理系统</h1>
<hr>
<div align="center">
<form th:action="@{/userlogin}" method="post">
用户名:<input name="user"/><br>
密码:<input name="pwd"><br/>
<input type="checkbox" name="remeber"> 记住我<br/>
<input type="submit" value="登陆">
</form>
</div>
</body>
</html>
原文：https://www.cnblogs.com/liuyi13535496566/p/12337320.html