298 lines
9.7 KiB
Markdown
298 lines
9.7 KiB
Markdown
---
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id: "2018-08-20-10-38"
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date: "2018/08/20 10:38:00"
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title: "springboot+security整合(1)"
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tags: ["java", "spring", "springboot", "spring-security", "security"]
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categories:
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- "java"
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- "spring boot学习"
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---
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**说明 springboot 版本 2.0.3<br/>源码地址:[点击跳转](https://github.com/FleyX/demo-project/tree/master/springboot_spirngsecurity_demo)**
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**系列**
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- [springboot+security 整合(1)](https://blog.fleyx.com/blog/detail/2018-08-20-10-37)
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- [springboot+security 整合(2)](https://blog.fleyx.com/blog/detail/2018-08-21-10-38)
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- [springboot+security 整合(3)](https://blog.fleyx.com/blog/detail/2018-08-22-10-38)
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## 一、 介绍
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  Spring Security 是一个能够为基于 Spring 的企业应用系统提供声明式的安全访问控制解决方案的安全框架。它提供了一组可以在 Spring 应用上下文中配置的 Bean,充分利用了 Spring IoC,DI(控制反转 Inversion of Control ,DI:Dependency Injection 依赖注入)和 AOP(面向切面编程)功能,为应用系统提供声明式的安全访问控制功能,减少了为企业系统安全控制编写大量重复代码的工作。
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## 二、 环境搭建
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  建立 springboot2 项目,加入 security 依赖,mybatis 依赖
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<!-- more -->
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```xml
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-security</artifactId>
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</dependency>
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<dependency>
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<groupId>org.mybatis.spring.boot</groupId>
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<artifactId>mybatis-spring-boot-starter</artifactId>
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<version>1.3.2</version>
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</dependency>
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<scope>runtime</scope>
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</dependency>
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```
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数据库为传统的用户--角色--权限,权限表记录了 url 和 method,springboot 配置文件如下:
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```yml
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mybatis:
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type-aliases-package: com.example.demo.entity
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server:
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port: 8081
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spring:
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datasource:
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driver-class-name: com.mysql.jdbc.Driver
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url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8&useSSL=true
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username: root
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password: 123456
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http:
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encoding:
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charset: utf-8
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enabled: true
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```
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springboot 启动类中加入如下代码,设置路由匹配规则。
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```java
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@Override
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protected void configurePathMatch(PathMatchConfigurer configurer) {
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configurer.setUseSuffixPatternMatch(false) //设置路由是否后缀匹配,譬如/user能够匹配/user.,/user.aa
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.setUseTrailingSlashMatch(false); //设置是否后缀路径匹配,比如/user能够匹配/user,/user/
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}
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```
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## 三、 security 配置
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  默认情况下 security 是无需任何自定义配置就可使用的,我们不考虑这种方式,直接讲如何个性化登录过程。
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#### 1、 建立 security 配置文件,目前配置文件中还没有任何配置。
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```java
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@Configuration
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public class SecurityConfig extends WebSecurityConfigurerAdapter {
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}
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```
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#### 2、 个性化登录,security 中的登录如下:
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![登录过程](https://raw.githubusercontent.com/FleyX/files/master/blogImg/springsecurity/20190107101026.png)
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- security 需要一个 user 的实体类实现`UserDetails`接口,该实体类最后与系统中用户的实体类分开,代码如下:
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```java
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public class SecurityUser implements UserDetails{
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private static final long serialVersionUID = 1L;
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private String password;
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private String name;
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List<GrantedAuthority> authorities;
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public SecurityUser(string name,string password) {
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this.id = id;
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this.password = password;
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this.name = name;
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this.age = age;
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}
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public void setAuthorities(List<GrantedAuthority> authorities) {
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this.authorities = authorities;
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}
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@Override
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public Collection<GrantedAuthority> getAuthorities() {
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return this.authorities;
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}
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@Override //获取校验用户名
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public String getUsername() {
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return String.valueOf(this.id);
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}
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@Override //获取校验用密码
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public String getPassword() {
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return password;
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}
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@Override //账户是否未过期
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public boolean isAccountNonExpired() {
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// TODO Auto-generated method stub
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return true;
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}
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@Override //账户是否未锁定
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public boolean isAccountNonLocked() {
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// TODO Auto-generated method stub
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return true;
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}
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@Override //帐户密码是否未过期,一般有的密码要求性高的系统会使用到,比较每隔一段时间就要求用户重置密码
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public boolean isCredentialsNonExpired() {
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// TODO Auto-generated method stub
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return true;
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}
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@Override //账户是否可用
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public boolean isEnabled() {
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// TODO Auto-generated method stub
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return true;
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}
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}
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```
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- 编写了实体类还需要编写一个服务类 SecurityService 实现`UserDetailsService`接口,重写 loadByUsername 方法,通过这个方法根据用户名获取用户信息,代码如下:
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```java
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@Component
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public class SecurityUserService implements UserDetailsService {
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@Autowired
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private JurisdictionMapper jurisdictionMapper;
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@Autowired
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private UserMapper userMapper;
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private Logger log = LoggerFactory.getLogger(this.getClass());
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@Override
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public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
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log.info("登录用户id为:{}",username);
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int id = Integer.valueOf(username);
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User user = userMapper.getById(id);
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if(user==null) {
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//抛出错误,用户不存在
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throw new UsernameNotFoundException("用户名 "+username+"不存在");
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}
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//获取用户权限
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List<GrantedAuthority> authorities = new ArrayList<>();
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List<Jurisdiction> jurisdictions = jurisdictionMapper.selectByUserId(id);
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for(Jurisdiction item : jurisdictions) {
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GrantedAuthority authority = new MyGrantedAuthority(item.getMethod(),item.getUrl());
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authorities.add(authority);
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}
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SecurityUser securityUser = new SecurityUser(user.getName(),user.getPassword(),authority):
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user.setAuthorities(authorities);
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return securityUser;
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}
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}
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```
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- 通常我们会对密码进行加密,所有还要编写一个 passwordencode 类,实现 PasswordEncoder 接口,代码如下:
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```java
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@Component
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public class MyPasswordEncoder implements PasswordEncoder {
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private Logger log = LoggerFactory.getLogger(this.getClass());
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@Override //不清楚除了在下面方法用到还有什么用处
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public String encode(CharSequence rawPassword) {
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return StringUtil.StringToMD5(rawPassword.toString());
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}
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//判断密码是否匹配
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@Override
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public boolean matches(CharSequence rawPassword, String encodedPassword) {
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return encodedPassword.equals(this.encode(rawPassword));
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}
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}
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```
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#### 3、 编辑配置文件
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- 编写 config Bean 以使用上面定义的验证逻辑,securityUserService、myPasswordEncoder 通过@Autowired 引入。
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```java
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@Override
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protected void configure(AuthenticationManagerBuilder auth) throws Exception {
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auth.userDetailsService(securityUserService)
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.passwordEncoder(myPasswordEncoder);
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}
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```
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- 然后编写 configure Bean(和上一个不一样,参数不同),实现 security 验证逻辑,代码如下:
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```java
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@Override
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protected void configure(HttpSecurity http) throws Exception {
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http
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.csrf() //跨站
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.disable() //关闭跨站检测
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.authorizeRequests()//验证策略策略链
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.antMatchers("/public/**").permitAll()//无需验证路径
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.antMatchers("/login").permitAll()//放行登录
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.antMatchers(HttpMethod.GET, "/user").hasAuthority("getAllUser")//拥有权限才可访问
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.antMatchers(HttpMethod.GET, "/user").hasAnyAuthority("1","2")//拥有任一权限即可访问
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//角色类似,hasRole(),hasAnyRole()
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.anyRequest().authenticated()
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.and()
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.formLogin()
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.loginPage("/public/unlogin") //未登录跳转页面,设置了authenticationentrypoint后无需设置未登录跳转页面
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.loginProcessingUrl("/public/login")//处理登录post请求接口,无需自己实现
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.successForwardUrl("/success")//登录成功转发接口
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.failureForwardUrl("/failed")//登录失败转发接口
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.usernameParameter("id") //修改用户名的表单name,默认为username
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.passwordParameter("password")//修改密码的表单name,默认为password
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.and()
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.logout()//自定义登出
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.logoutUrl("/public/logout") //自定义登出api,无需自己实现
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.logoutSuccessUrl("public/logoutSuccess")
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}
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```
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到这里便可实现 security 与 springboot 的基本整合。
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## 四、实现记住我功能
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#### 1、 建表
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  记住我功能需要数据库配合实现,首先要在数据库建一张表用户保存 cookie 和用户名,数据库建表语句如下:不能做修改
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```sql
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CREATE TABLE `persistent_logins` (
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`username` varchar(64) NOT NULL,
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`series` varchar(64) NOT NULL,
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`token` varchar(64) NOT NULL,
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`last_used` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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PRIMARY KEY (`series`)
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)
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```
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#### 2、 编写 rememberMeservice Bean
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  代码如下:
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```java
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@Bean
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public RememberMeServices rememberMeServices(){
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JdbcTokenRepositoryImpl jdbcTokenRepository = new JdbcTokenRepositoryImpl();
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jdbcTokenRepository.setDataSource(dataSource);
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PersistentTokenBasedRememberMeServices rememberMeServices =
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new PersistentTokenBasedRememberMeServices("INTERNAL_SECRET_KEY",securityUserService,jdbcTokenRepository);
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//还可设置许多其他属性
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rememberMeServices.setCookieName("kkkkk"); //客户端cookie名
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return rememberMeServices;
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}
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```
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dataSource 为@Autowired 引入
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#### 3、 配置文件设置 remember
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  在 config(HttpSecurity http)中加入记住我功能
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```java
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.rememberMe()
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.rememberMeServices(rememberMeServices())
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.key("INTERNAL_SECRET_KEY")
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```
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在登录表单中设置 remember-me 即可实现记住我功能。
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