http拦截器

package com.qxzl.client.common.filter;

import com.alibaba.fastjson.JSON;
import com.qxzl.client.common.controller.BaseController;
import com.qxzl.util.ObjectHelper;

import org.json.JSONObject;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * @Description http拦截器
 * @Author Created by 
 * @Email [email protected]
 * @Date ${DATE}
 */
@Configuration
@Component
public class RequestInterceptor extends WebMvcConfigurerAdapter implements HandlerInterceptor {
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        // 多个拦截器组成一个拦截器链
        // addPathPatterns 用于添加拦截规则
        // excludePathPatterns 用户排除拦截
        registry.addInterceptor(this).addPathPatterns("/**");
//        registry.addInterceptor(new MyInterceptor2()).addPathPatterns("/**");
        super.addInterceptors(registry);
    }

    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
            throws Exception {
        String method = request.getMethod();
        String requestURI = request.getRequestURI();
        String protocol = request.getProtocol();
        String serverName = request.getServerName();
        int serverPort = request.getServerPort();
        String remoteAddr = request.getRemoteAddr();
        Map<String, String[]> parameterMap = request.getParameterMap();
        String parameters = "";
        try {
            JSONObject jsonObject = new JSONObject(parameterMap);
            parameters =jsonObject.toString();
        }catch (Exception e){
        	e.printStackTrace();
        }
        String localRequest = "";
        try {
           String str =  parameters.replaceAll("[\\]|\\[]", "");
            Map<String,String> map = (Map) JSON.parse(str);
            try {
                String token = map.get("token");
                if (!ObjectHelper.isEmpty(token)&&token.length()!=0){
                    request.setAttribute(BaseController.TOKEN,token);
                }
            }catch (Exception e){
             e.printStackTrace();
            }
            String host = "http://127.0.0.1:8080"+requestURI;
            localRequest =getGETUrl(host,map);
        }catch (Exception e){
            e.printStackTrace();
        }

        System.out.println("╔═════════════════════════════════════════════════════════════════");
        System.out.println(remoteAddr+" 发起 "+method+" 请求: ");
        System.out.println(requestURI);
        System.out.println("参数: "+parameters);
        System.out.println(localRequest);
        System.out.println("╚═════════════════════════════════════════════════════════════════");

        return true;// 只有返回true才会继续向下执行，返回false取消当前请求
    }

    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
                           ModelAndView modelAndView) throws Exception {
    }

    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
            throws Exception {
    }



    static String getGETUrl(String URLstr, Map<String, String> map) {
        if (map == null) {
            map = new HashMap<String, String>();
        }
        StringBuilder builder = new StringBuilder();
        if (URLstr.contains("?")) {
            builder.append(URLstr).append("&");
        } else {
            builder.append(URLstr).append("?");
        }
        for (String str : map.keySet()) {
            String value = map.get(str);
//            if (RegexTool.isHaveChinese(value)){
//                try {
//                    builder.append(str).append("=").append(URLEncoder.encode(value,"utf-8")).append("&");
////                    builder.append(str).append("=").append(value).append("&");
//                }catch (Exception e){
//                }
//            }else {
                builder.append(str).append("=").append(value).append("&");
//            }
        }
        String endUrl = builder.toString();
        if (endUrl.endsWith("&") || endUrl.endsWith("?")) {
            endUrl = endUrl.substring(0, endUrl.length() - 1);
        }
        return endUrl;
    }

    }