springboot登陆过滤功能的实现代码

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
  <groupId>org.springframework.session</groupId>
  <artifactId>spring-session-data-redis</artifactId>
</dependency>

session:
  store-type: redis
  timeout: 30
redis:
  database: 0
  host: 
  password: 
  port: 6379
  timeout: 300000

package com.config;

import org.springframework.context.annotation.Configuration;

@Configuration
public class RedisConfig {

  public RedisConfig() {

  }
}

package com.config;

import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.ztesoft.cloud.Service.StaffService;
import com.ztesoft.cloud.model.User;
import org.springframework.beans.factory.annotation.Autowired;

import javax.servlet.http.HttpServletRequest;

public class WebSecurityFilter extends ZuulFilter {

  @Override
  public String filterType() {
    return "pre";//前置过滤器
  }

  @Override
  public int filterOrder() {
    return 0;//优先级为0，数字越大，优先级越低
  }

  @Override
  public boolean shouldFilter() {
    return true;//是否执行该过滤器，此处为true，说明需要过滤
  }


  @Autowired
  private StaffService staffService;

  @Override
  public Object run() {
    RequestContext ctx = RequestContext.getCurrentContext();
    HttpServletRequest request = ctx.getRequest();
    String queryString = request.getQueryString();
    Object username = request.getSession().getAttribute("username");
    Object password = request.getSession().getAttribute("password");
    User user = new User();
    if(username != null) {
      user.setUsername(username.toString());
    }
    if(password != null) {
      user.setPassword(password.toString());
    }
    Boolean verifyResult = this.staffService.verifyLoginUser(user);
    if ((queryString != null && queryString.indexOf("tag=process") > -1) || verifyResult) {
      ctx.setSendZuulResponse(true);// 对该请求进行路由
      ctx.setResponseStatusCode(200);
      ctx.set("isSuccess", true);// 设值，可以在多个过滤器时使用
      return null;
    } else {
      ctx.setSendZuulResponse(false);// 过滤该请求，不对其进行路由
      ctx.setResponseStatusCode(401);// 返回错误码,应该是401
      ctx.setResponseBody("session is out of time");// 返回错误内容
      ctx.set("isSuccess", false);
      return null;
    }
  }
}

  @Bean
  public WebSecurityFilter accessFilter() {
    return new WebSecurityFilter();
  }

package com.controller;

@RestController
@RequestMapping(value = "/system")
public class SystemController extends JdkSerializationRedisSerializer implements Serializable {

  @Autowired
  private StaffService staffService;

  @PostMapping("login")
  public ResponseEntity<String> login(@RequestBody User user, HttpSession session) {
    session.setAttribute("username", user.getUsername());
    session.setAttribute("password", user.getPassword());
    Boolean ret = this.staffService.verifyLoginUser(user);
    if(ret == true) {
      return new ResponseEntity<>("登陆成功", HttpStatus.OK);
    }
    return new ResponseEntity<>("登陆失败", HttpStatus.NON_AUTHORITATIVE_INFORMATION);
  }

}

@SpringBootApplication
@EnableDiscoveryClient
@EnableZuulProxy
@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 7200, redisFlushMode = RedisFlushMode.IMMEDIATE)
@ComponentScan(excludeFilters = @ComponentScan.Filter(type = FilterType.ASSIGNABLE_TYPE, value = RibbonConfig.class))
@RibbonClients(defaultConfiguration = RibbonConfig.class)
public class PlatformWebApplication {

  @Bean
  public WebSecurityFilter accessFilter() {
    return new WebSecurityFilter();
  }

  public static void main(String[] args) {
    SpringApplication.run(PlatformWebApplication.class, args);
  }
}