SpringSecurity默认用户认证

1. 新建SpringBoot项目

2. 项目依赖

<dependencies>
    
    <dependency>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-securityartifactId>
    dependency>
    
    <dependency>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-thymeleafartifactId>
    dependency>
    
    <dependency>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-webartifactId>
    dependency>
    
    <dependency>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-devtoolsartifactId>
        <scope>runtimescope>
        <optional>trueoptional>
    dependency>
    
    <dependency>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-configuration-processorartifactId>
        <optional>trueoptional>
    dependency>
    
    <dependency>
        <groupId>org.projectlombokgroupId>
        <artifactId>lombokartifactId>
        <optional>trueoptional>
    dependency>
    
    <dependency>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-tomcatartifactId>
        <scope>providedscope>
    dependency>
    
    <dependency>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-testartifactId>
    dependency>
    
    <dependency>
        <groupId>org.springframework.securitygroupId>
        <artifactId>spring-security-testartifactId>
    dependency>
dependencies>

3. 新建一个页面

4. 启动项目访问

• 控制台打印出默认登录密码（用户账号默认为：user）
  

• 出现登录默认页面
  

• 出现登录默认页面