介绍
本篇文章基于Spring Security 入门教程（一） - 简单的登录认证 基础上修改的记住我教程。
项目代码：https://github.com/Bootcap/spring-security-study-session
一、配置pom.xml文件
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<name>spring-security-study-session</name>
<groupId>com.bootcap.session.security</groupId>
<artifactId>spring-security-study-session</artifactId>
<version>1.0.0-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.0.1.RELEASE</version>
</parent>
<properties>
<java.version>1.8</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
</properties>
<dependencies>
<!-- Spring Boot-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<!-- Test -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
二、修改TemplateConfig.java类
路径：src/java/com/bootcap/session/security/configuration/TemplateConfig.java
@Configuration
public class TemplateConfig implements WebMvcConfigurer {
@Override
public void addViewControllers(ViewControllerRegistry registry) {
registry.addViewController("/").setViewName("index");
registry.addViewController("/index").setViewName("index");
registry.addViewController("/login").setViewName("login");
}
}
三、修改WebSecurityConfig.java
路径：src/java/com/bootcap/session/security/configuration/WebSecurityConfig.java
package com.bootcap.session.security.configuration;
/**
* Created by jack.
* 2018-12-10 11:03
*/
@Configuration
@EnableWebSecurity
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
@Override
public void configure(WebSecurity web) throws Exception {
web.ignoring()
.antMatchers("/js/**","/img/**");
}
// 重点修改的方法
@Override
protected void configure(HttpSecurity http) throws Exception {
http.authorizeRequests()
.anyRequest().authenticated()
.and()
.formLogin()
.loginPage("/login")
.permitAll().defaultSuccessUrl("/")
.and()
.logout()
.invalidateHttpSession(true)
.clearAuthentication(true)
.logoutRequestMatcher(new AntPathRequestMatcher("/logout"))
.logoutSuccessUrl("/login?logout")
.permitAll()
.and()
.rememberMe()
.key("unique-and-secret")
.rememberMeCookieName("rememberMeCookieName") // 设置cookie名称
.tokenValiditySeconds(24 * 60 * 60); // 设置令牌有效期，默认为2周
}
@Override
protected void configure(AuthenticationManagerBuilder auth) throws Exception {
auth.inMemoryAuthentication() // 在内存中进行身份验证
.passwordEncoder(new BCryptPasswordEncoder())
.withUser("user")
.password(new BCryptPasswordEncoder().encode("123456"))
.roles("USER");
}
}
四、修改页面文件
路径：src/resources/templates/
4.1 修改login.html，在原基础上加上记住我复选框
<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>登录页面</title>
</head>
<body>
<h1>登录页面</h1>
<div th:if="${param.error}">
用户名或密码不正确
</div>
<div th:if="${param.logout}">
你已经退出登录
</div>
<form th:action="@{/login}" method="post">
<div><label> 用户名: <input type="text" name="username"/> </label></div>
<div><label> 密 码: <input type="password" name="password"/> </label></div>
<div>
<input id="remember-me" name="remember-me" type="checkbox"/> 记住我
<input type="submit" value="登录"/>
</div>
</form>
</body>
</html>
4.2 修改index.html
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org"
xmlns:sec="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Spring Security 登录认证记住我实例</title>
</head>
<body>
<div class="container">
<h1>Spring Security 登录认证记住我实例</h1>
<div class="container">
<p>
<span sec:authorize="isAuthenticated()">
| 登录用户: <span sec:authentication="name"></span> |
角色: <span sec:authentication="principal.authorities"></span> |
<a th:href="@{/logout}">退出登录</a>
</span>
</p>
</div>
</div>
</body>
</html>
五、启动Application.java运行项目
5.1 项目启动完成后，浏览器访问：localhsot:8080，会自动跳到登录页面进行登录，并勾选记住我。
5.2 登录成功后会挑战到index.html页面，通过debug发现，spring security已经为我们分配了刚才命名的cookie。
5.3 为了验证是记住我登录，我们把JSESSIONID删除，并刷新页面，会发现又刚删除的JSESSIONID又产生了。而且Value值已经改变。
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