SpringBoot2.0 基础案例(05)：多个拦截器配置和使用场景

Token令牌验证
请求数据校验
用户权限校验
放行指定接口

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 * 拦截器一
 */
public class OneInterceptor implements HandlerInterceptor {
 private static final Logger LOGGER
 = LoggerFactory.getLogger(OneInterceptor.class.getName());
 @Override
 public boolean preHandle(HttpServletRequest request,
 HttpServletResponse response,
 Object o) throws Exception {
 String url =String.valueOf(request.getRequestURL()) ;
 LOGGER.info("1、url=="+url);
 // 放开拦截
 return true;
 }
 @Override
 public void postHandle(HttpServletRequest httpServletRequest,
 HttpServletResponse httpServletResponse,
 Object o, ModelAndView modelAndView) throws Exception {
 LOGGER.info("1、postHandle");
 }
 @Override
 public void afterCompletion(HttpServletRequest httpServletRequest,
 HttpServletResponse httpServletResponse,
 Object o, Exception e) throws Exception {
 LOGGER.info("1、afterCompletion");
 }
}

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 * 拦截器二
 */
public class TwoInterceptor implements HandlerInterceptor {
 private static final Logger LOGGER
 = LoggerFactory.getLogger(TwoInterceptor.class.getName());
 @Override
 public boolean preHandle(HttpServletRequest request,
 HttpServletResponse response,
 Object o) throws Exception {
 String url =String.valueOf(request.getRequestURL()) ;
 LOGGER.info("2、url=="+url);
 // 放开拦截
 return true;
 }
 @Override
 public void postHandle(HttpServletRequest httpServletRequest,
 HttpServletResponse httpServletResponse,
 Object o, ModelAndView modelAndView) throws Exception {
 LOGGER.info("2、postHandle");
 }
 @Override
 public void afterCompletion(HttpServletRequest httpServletRequest,
 HttpServletResponse httpServletResponse,
 Object o, Exception e) throws Exception {
 LOGGER.info("2、afterCompletion");
 }
}

import com.boot.intercept.intercept.OneInterceptor;
import com.boot.intercept.intercept.TwoInterceptor;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
/**
 * Web配置文件
 */
@Configuration
public class WebMvcConfig implements WebMvcConfigurer {
 public void addInterceptors(InterceptorRegistry registry) {
 // 拦截所有路径
 // 注册自定义两个拦截器
 registry.addInterceptor(new OneInterceptor()).addPathPatterns("/**");
 registry.addInterceptor(new TwoInterceptor()).addPathPatterns("/**");
 }
}

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class InterceptController {
 @RequestMapping("/reqUrl")
 public String reqUrl (){
 return "success" ;
 }
}

intercept.OneInterceptor : 1、url==http://127.0.0.1:8005/reqUrl
intercept.TwoInterceptor : 2、url==http://127.0.0.1:8005/reqUrl
intercept.TwoInterceptor : 2、postHandle
intercept.OneInterceptor : 1、postHandle
intercept.TwoInterceptor : 2、afterCompletion
intercept.OneInterceptor : 1、afterCompletionla

GitHub：知了一笑
https://github.com/cicadasmile/spring-boot-base