hdw-dubbo-master.zip

package com.hdw.common.core.utils; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; import com.google.common.net.HttpHeaders; import org.apache.commons.lang3.StringUtils; import org.springframework.http.MediaType; import org.springframework.util.Assert; import org.springframework.web.context.request.RequestContextHolder; import org.springframework.web.context.request.ServletRequestAttributes; import org.springframework.web.multipart.MultipartHttpServletRequest; import org.springframework.web.multipart.MultipartResolver; import javax.servlet.ServletInputStream; import javax.servlet.ServletRequest; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.*; import java.net.URLDecoder; import java.net.URLEncoder; import java.nio.charset.Charset; import java.util.*; import java.util.Map.Entry; /** * @Description Http与Servlet工具类 * @Author JacksonTu * @Date 2020/3/5 19:40 */ public class WebUtil { private final static String staticSuffix = ".css,.js,.png,.jpg,.gif,.jpeg,.bmp,.ico,.swf,.psd,.htc,.htm,.html,.crx,.xpi,.exe,.ipa,.apk,.woff2,.ico,.swf,.ttf,.otf,.svg,.woff"; /** * 静态文件后缀 */ private final static String[] staticFiles = StringUtils.split(staticSuffix, ","); /** * 动态映射URL后缀 */ private final static String urlSuffix = ".html"; public static String[] getStaticFiles() { return staticFiles; } /** * 设置 Cookie（生成时间为1天） * * @param name 名称 * @param value 值 */ public static void setCookie(HttpServletResponse response, String name, String value) { setCookie(response, name, value, 60 * 60 * 24); } /** * 设置 Cookie * * @param name 名称 * @param value 值 */ public static void setCookie(HttpServletResponse response, String name, String value, String path) { setCookie(response, name, value, path, 60 * 60 * 24); } /** * 设置 Cookie * * @param name 名称 * @param value 值 * @param maxAge 生存时间（单位秒） */ public static void setCookie(HttpServletResponse response, String name, String value, int maxAge) { setCookie(response, name, value, "/", maxAge); } /** * 设置 Cookie * * @param name 名称 * @param value 值 * @param maxAge 生存时间（单位秒） * @param path 路径 */ public static void setCookie(HttpServletResponse response, String name, String value, String path, int maxAge) { Cookie cookie = new Cookie(name, null); cookie.setPath(path); cookie.setMaxAge(maxAge); try { cookie.setValue(URLEncoder.encode(value, "utf-8")); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } response.addCookie(cookie); } /** * 移除cookie * * @param response * @param name */ public static void removeCookie(HttpServletResponse response, String name) { Cookie cookie = new Cookie(name, null); cookie.setPath("/"); cookie.setMaxAge(0); cookie.setValue(null); response.addCookie(cookie); } /** * 获得指定Cookie的值 * * @param name 名称 * @return 值 */ public static String getCookie(HttpServletRequest request, String name) { return getCookie(request, null, name, false); } /** * 获得指定Cookie的值，并删除。 * * @param name 名称 * @return 值 */ public static String getCookie(HttpServletRequest request, HttpServletResponse response, String name) { return getCookie(request, response, name, true); } /** * 获得指定Cookie的值 * * @param request 请求对象 * @param response 响应对象 * @param name 名字 * @param isRemove 是否移除 * @return 值 */ public static String getCookie(HttpServletRequest request, HttpServletResponse response, String name, boolean isRemove) { String value = null; Cookie[] cookies = request.getCookies(); if (cookies != null) { for (Cookie cookie : cookies) { if (cookie.getName().equals(name)) { try { value = URLDecoder.decode(cookie.getValue(), "utf-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } if (isRemove) { cookie.setMaxAge(0); response.addCookie(cookie); } } } } return value; } /** * 设置客户端缓存过期时间 的Header. */ public static void setExpiresHeader(HttpServletResponse response, long expiresSeconds) { // Http 1.0 header, set model fix expires date. response.setDateHeader(HttpHeaders.EXPIRES, System.currentTimeMillis() + expiresSeconds * 1000); // Http 1.1 header, set model time after now. response.setHeader(HttpHeaders.CACHE_CONTROL, "private, max-age=" + expiresSeconds); } /** * 设置禁止客户端缓存的Header. */ public static void setNoCacheHeader(HttpServletResponse response) { // Http 1.0 header response.setDateHeader(HttpHeaders.EXPIRES, 1L); response.addHeader(HttpHeaders.PRAGMA, "no-cache"); // Http 1.1 header response.setHeader(HttpHeaders.CACHE_CONTROL, "no-cache, no-store, max-age=0"); } /** * 设置LastModified Header. */ public static void setLastModifiedHeader(HttpServletResponse response, long lastModifiedDate) { response.setDateHeader(HttpHeaders.LAST_MODIFIED, lastModifiedDate); } /** * 设置Etag Header. */ public static void setEtag(HttpServletResponse response, String etag) { response.setHeader(HttpHeaders.ETAG, etag); } /** * 根据浏览器If-Modified-Since Header, 计算文件是否已被修改. * <p> * 如果无修改, checkIfModify返回false ,设置304 not modify status. * * @param lastModified 内容的最后修改时间. */ public static boolean checkIfModifiedSince(HttpServletRequest request, HttpServletResponse response, long lastModified) { long ifModifiedSince = request.getDateHeader(HttpHeaders.IF_MODIFIED_SINCE); if ((ifModifiedSince != -1) && (lastModified < ifModifiedSince + 1000)) { response.setStatus(HttpServletResponse.SC_NOT_MODIFIED); return false; } return true; } /** * 根据浏览器 If-None-Match Header, 计算Etag是否已无效. * <p> * 如果Etag有效, checkIfNoneMatch返回false, 设置304 not modify status. * * @param etag 内容的ETag. */ public static boolean checkIfNoneMatchEtag(HttpServletRequest request, HttpServletResponse response, String etag) { String headerValue = request.getHeader(HttpHeaders.IF_NONE_MATCH); if (headerValue != null) { boolean conditionSatisfied = false; if (!"*".equals(headerValue)) { StringTokenizer commaTokenizer = new StringTokenizer(headerValue, ","); while (!conditionSatisfied && commaTokenizer.hasMoreTokens()) { String currentToken = commaTokenizer.nextToken(); if (currentToken.trim().equals(etag)) { conditionSatisfied = true; } } } else { conditionSatisfied = true; } if (conditionSatisfied) { response.setStatus(HttpServletResponse.SC_NOT_MODIFIED