一、登录权限和访问权限

1、引入SpringSecurity(spring-boot-starter-security)

2、编写SpringSecurity的配置类;

        @EnableWebSecurity      extends WebSecurityConfigurerAdapter

3、控制请求的访问权限

例：

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>
@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");
        //开启自动配置的登录功能.效果，如果没有登录，没有权限就会来到登录页面
        http.formLogin().usernameParameter("user").passwordParameter("pass").loginPage("/userlogin");
        //1、/login来到登录页
        //2、重定向到/login?error表是登录失败
        //3、更多详细规定
        //4、默认post形式的/login代表处理登录
        //5、一旦定制loginPage:那么loginPage的post请求就是登录

        //开启自动配置的注销功能
        http.logout().logoutSuccessUrl("/"); //注销成功来到首页
        //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("remberMe");
        //登录成功以后，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 {
//        super.configure(auth);
        auth.inMemoryAuthentication().withUser("zhangsan").password("123456").roles("VIP1","VIP2")
                .and().withUser("lisi").password("123456").roles("VIP2","VIP3")
                .and().withUser("wangwu").password("123456").roles("VIP1","VIP3");
    }
}

 登录页面

 

    <div align="center">
        <form th:action="@{/userlogin}" method="post">
            用户名:<input name="user"/><br>
            密码:<input name="pass"><br/>
            <input type="checkbox" name="remberMe">记住我<br>
            <input type="submit" value="登陆">
        </form>
    </div>

 

二、权限控制和注销

整合thymeleaf-springsecurity
<properties>
        <java.version>1.8</java.version>
        <thymeleaf.version>3.0.2.RELEASE</thymeleaf.version>
        <thymeleaf-layout-dialect.version>2.1.1</thymeleaf-layout-dialect.version>
        <thymeleaf-extras-springsecurity4.version>3.0.0.RELEASE</thymeleaf-extras-springsecurity4.version>
</properties>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>
        <dependency>
            <groupId>org.thymeleaf.extras</groupId>
            <artifactId>thymeleaf-extras-springsecurity4</artifactId>
        </dependency>

引入xmlsn:

<html xmlns:th="http://www.thymeleaf.org"
        xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity4">

使用：

<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="@{/login}">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>