package com.zy.asrs.wms.utils;
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import com.alibaba.fastjson.JSON;
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import com.zy.asrs.framework.common.R;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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import java.io.PrintWriter;
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/**
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* Created by vincent on 1/29/2024
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*/
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public class HttpUtils {
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public static void responseError(HttpServletResponse response, Integer code, String message, String error) {
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response.setContentType("application/json;charset=UTF-8");
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try {
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PrintWriter out = response.getWriter();
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out.write(JSON.toJSONString(R.parse(code + "-" + message)));
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out.flush();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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public static String getClientIpAddress(HttpServletRequest request) {
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String ip = request.getHeader("X-Forwarded-For");
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("Proxy-Client-IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("WL-Proxy-Client-IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_CLIENT_IP");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getHeader("HTTP_X_FORWARDED_FOR");
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}
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if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
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ip = request.getRemoteAddr();
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}
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// 对于通过多个代理的情况，第一个IP为客户端真实IP，多个IP按照','分割
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if (ip != null && ip.contains(",")) {
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ip = ip.split(",")[0].trim();
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}
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return ip;
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}
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}
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