Spring Security 自定义登录页面、连接数据库进行认证、url授权, 方法授权两种方式

今天药忘吃喽~ 2023-03-01 09:28 4阅读 0赞

## 目录 ##

# 一、自定义登录页面 #

*  在快速上手中，你可能会想知道登录页面从哪里来的？因为我们并没有提供任何的`HTML或JSP`文件。`Spring Security`的默认配置没有明确设定一个登录页面的URL，因此Spring Security会根据启用的功能`自动生成一个登录页面URL`，并使用默认URL处理登录的提交内容，登录后跳转的到默认URL等等。尽管自动生成的登录页面很方便 快速启动和运行，但**大多数应用程序都希望定义自己的登录页面**。

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# 二、连接数据库认证 #

*  前边的例子我们是将`用户信息存储在内存`中，实际项目中`用户信息存储在数据库`中，本节实现从数据库读取用户信息。根据前边对认证流程研究，只需要重新定义`UserDetailService`即可实现根据用户账号查询数据库。  
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    ![在这里插入图片描述][20200723144652274.png]

# 三、会话 #

*  用户认证通过后，为了**避免用户的每次操作都进行认证**,可将**用户的信息保存在会话**中。spring security提供会话管理，认证通过后将身份信息放入`SecurityContextHolder`上下文，**SecurityContext**与**当前线程**进行绑定，方便获取用户身份。  
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    会话控制  
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# 四、注销功能 #

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# 五、授权 #

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## 5.1 web授权 ##

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## 5.2 方法授权 ##

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