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获取用户浏览器类型

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一、HTML獲取瀏覽器類型

****** 不同瀏覽器版本可能存在差異,使用時(shí)請(qǐng)測(cè)試自己的環(huán)境 ******

1.0 、獲取瀏覽器類型和版本信息:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html><head> <base> <meta charset="utf-8"> <title>JS獲取瀏覽器類型和版本信息</title><script> function bro() { var is360 = false; var isIE = false; var isFirefox = false; var isChrome = false; var isEdge = false; var broName = 'Runing'; var str = ''; var strStart = 0; var strStop = 0; var arr = new Array(); var temp = '';// userAgent(用戶代理,指瀏覽器) var userAgent = window.navigator.userAgent; //包含以下屬性中所有或一部分的字符串:appCodeName,appName,appVersion,language,platform/*alert(userAgent);*///FireFox if (userAgent.indexOf('Firefox') != -1) { isFireFox = true; /*broName = 'FireFox瀏覽器';*/ strStart = userAgent.indexOf('Firefox'); temp = userAgent.substring(strStart); broName = temp.replace('/', '版本號(hào)')}//Edge if (userAgent.indexOf('Edge') != -1) { isEdge = true; /*broName = 'Edge瀏覽器';*/ strStart = userAgent.indexOf('Edge'); temp = userAgent.substring(strStart); broName = temp.replace('/', '版本號(hào)'); }//IE瀏覽器 if (userAgent.indexOf('NET') != -1 && userAgent.indexOf("rv") != -1) { isIE = true; /*broName = 'IE瀏覽器'; */ strStart = userAgent.indexOf('rv'); strStop = userAgent.indexOf(')'); temp = userAgent.substring(strStart, strStop); broName = temp.replace('rv', 'IE').replace(':', '版本號(hào)'); }//360極速模式可以區(qū)分360安全瀏覽器和360極速瀏覽器 if (userAgent.indexOf('WOW') != -1 && userAgent.indexOf("NET") < 0 && userAgent.indexOf("Firefox") < 0) { if(navigator.javaEnabled()){ is360 = true; broName = '360安全瀏覽器-極速模式'; }else{ is360 = true; broName = '360極速瀏覽器-極速模式'; } }//360兼容 if (userAgent.indexOf('WOW') != -1 && userAgent.indexOf("NET") != -1 && userAgent.indexOf("MSIE") != -1 && userAgent.indexOf("rv") < 0) { is360 = true; broName = '360兼容模式'; }//Chrome瀏覽器 if (userAgent.indexOf('WOW') < 0 && userAgent.indexOf("Edge") < 0) { isChrome = true; /*broName = 'Chrome瀏覽器';*/ strStart = userAgent.indexOf('Chrome'); strStop = userAgent.indexOf(' Safari'); temp = userAgent.substring(strStart, strStop); broName = temp.replace('/', '版本號(hào)');}document.getElementById('broType').value = broName;} </script> </head><body onload="bro();"> <input type="text" id="broType" name="broType" style="width: 200px;"> <h4>JavaScript獲取瀏覽器版本信息</h4> </body></html>

1.1、獲取瀏覽器詳細(xì)信息:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head> <title>獲取瀏覽器詳細(xì)信息</title> <meta name="viewport" content="width=device-width, initial-scale=1.0,user-scalable=no"> <meta name="Generator" content="EditPlus"> <meta name="Author" content=""> <meta name="Keywords" content=""> <meta charset="utf-8" /> <meta name="Description" content=""><script id=clientEventHandlersJS language=javascript> /******************************************下為瀏覽器信息************************************************/ //獲取瀏覽器相關(guān)信息 function allinfo() { var appName = navigator.appName; //瀏覽器的正式名稱 var appVersion = navigator.appVersion; //瀏覽器的版本號(hào) var cookieEnabled = navigator.cookieEnabled; // 返回用戶瀏覽器是否啟用了cookie var cpuClass = navigator.cpuClass; //返回用戶計(jì)算機(jī)的cpu的型號(hào),通常intel芯片返回"x86"(火狐沒有)var mimeType = navigator.mimeTypes; // 瀏覽器支持的所有MIME類型的數(shù)組 var platform = navigator.platform; // 瀏覽器正在運(yùn)行的操作系統(tǒng)平臺(tái),包括Win16(windows3.x) // Win32(windows98,Me,NT,2000,xp),Mac68K(Macintosh 680x0) // 和MacPPC(Macintosh PowerPC) var plugins = navigator.plugins; // 安裝在瀏覽器上的所有插件的數(shù)組 var userLanguage = navigator.userLanguage; // 用戶在自己的操作系統(tǒng)上設(shè)置的語言(火狐沒有) var userAgent = navigator.userAgent; //包含以下屬性中所有或一部分的字符串:appCodeName,appName,appVersion,language,platform var systemLanguage = navigator.systemLanguage; // 用戶操作系統(tǒng)支持的默認(rèn)語言(火狐沒有)//directorvar appCodeName = navigator.appCodeName; //與瀏覽器相關(guān)的內(nèi)部代碼名 var appMinorVersion = navigator.appMinorVersion; //輔版本號(hào)(通常應(yīng)用于瀏覽器的補(bǔ)丁或服務(wù)包)var language = navigator.language; //瀏覽器支持的語言 (IE沒有)var onLine = navigator.onLine; //返回瀏覽器是否處于在線模式(IE4以上版本)var opsProfile = navigator.opsProfile; // 未定義 (IE、火狐沒有)var oscpu = navigator.oscpu; //瀏覽器正在運(yùn)行的操作系統(tǒng),其中可能有CPU的信息(IE沒有)var product = navigator.product; // 瀏覽器的產(chǎn)品名(IE沒有)var productSub = navigator.productSub; //關(guān)于瀏覽器更多信息(IE沒有)var securityPolicy = navigator.securityPolicy; // 瀏覽器支持的加密類型(IE沒有)var userProfile = navigator.userProfile; // 返回一個(gè)UserProfile對(duì)象,它存儲(chǔ)用戶的個(gè)人信息(火狐沒有)var vender = navigator.vender; // 瀏覽器廠商名稱(IE、火狐沒有)var vendorSub = navigator.vendorSub; // 關(guān)于瀏覽器廠商更多的信息var webkitPersistentStorage = navigator.webkitPersistentStorage;var info = "<table border=1>"; var type = ""; if (isIe()) { type = "IE瀏覽器"; } else if (isFireFox()) { type = "火狐瀏覽器"; } info += "<tr><td>IE特有屬性:</td><td>" + navigator.msManipulationViewsEnabled + "</td></tr>"; info += "<tr><td>瀏覽器類型:</td><td>" + type + "</td></tr>"; info += "<tr><td>weizhi :</td><td>" + webkitPersistentStorage + "</td></tr>"; info += "<tr><td>瀏覽器屬性信息:</td><td>" + userAgent + "</td></tr>"; info += "<tr><td>瀏覽器的正式名稱:</td><td>" + appName + "</td></tr>"; info += "<tr><td>瀏覽器的版本號(hào):</td><td>" + appVersion + "</td></tr>"; info += "<tr><td>瀏覽器相關(guān)的內(nèi)部代碼名:</td><td>" + appCodeName + "</td></tr>"; info += "<tr><td>瀏覽器相關(guān)的輔代碼號(hào):</td><td>" + appMinorVersion + "</td></tr>"; info += "<tr><td>瀏覽器支持的語言IE沒有):</td><td>" + language + "</td></tr>"; info += "<tr><td>瀏覽器是否處于在線模式:</td><td>" + onLine + "</td></tr>"; info += "<tr><td>瀏覽器的產(chǎn)品名(IE沒有):</td><td>" + product + "</td></tr>"; info += "<tr><td>瀏覽器更多信息:</td><td>" + productSub + "</td></tr>"; info += "<tr><td>瀏覽器廠商名稱:</td><td>" + vender + "</td></tr>"; info += "<tr><td>瀏覽器廠商更多信息:</td><td>" + vendorSub + "</td></tr>"; info += "<tr><td>瀏覽器的是否啟用了cookie:</td><td>" + cookieEnabled + "</td></tr>"; info += "<tr><td>cpu等級(jí):</td><td>" + cpuClass + "</td></tr>"; info += "<tr><td>瀏覽器的MIME類型:</td><td>" + mimeType.length + "</td></tr>"; info += "<tr><td>系統(tǒng)平臺(tái):</td><td>" + platform + "</td></tr>"; info += "<tr><td>安裝的插件:</td><td>" + plugins + "</td></tr>"; info += "<tr><td>插件的數(shù)量:</td><td>" + plugins.length + "</td></tr>"; info += "<tr><td>插件的名稱:</td><td>" + getPluginName() + "</td></tr>"; info += "<tr><td>用戶設(shè)置的操作系統(tǒng)語言:</td><td>" + userLanguage + "</td></tr>"; info += "<tr><td>操作系統(tǒng)支持的默認(rèn)語言:</td><td>" + systemLanguage + "</td></tr>"; info += "<tr><td>Director:</td><td>" + checkePlugs("Director") + "</td></tr>"; info += "<tr><td>javaEnabled:</td><td>" + navigator.javaEnabled() + "</td></tr>"; info += "<tr><td>是否有quickTime:</td><td>" + checkePlugs("QuickTime") + "</td></tr>"; info += "<tr><td>flash插件情況:</td><td>" + checkePlugs('Shockwave Flash') + "</td></tr>"; info += "<tr><td>是否有MediaPlayer:</td><td>" + checkePlugs("MediaPlayer") + "</td></tr>"; info += "<tr><td>是否有realPlayer:</td><td>" + checkePlugs("RealPlayer") + "</td></tr>"; info += "<tr><td>屏幕分辨率高度:</td><td>" + window.screen.height + "</td></tr>"; info += "<tr><td>屏幕分辨率寬度:</td><td>" + window.screen.width + "</td></tr>"; info += "<tr><td>顏色質(zhì)量:</td><td>" + window.screen.colorDepth + "位</td></tr>"; info += "<tr><td>像素:</td><td>" + window.screen.deviceXDPI + "像素/英寸</td></tr>"; info += "<tr><td>字體是否平滑:</td><td>" + window.screen.fontSmoothingEnabled + "</td></tr>"; //info += "<tr><td>規(guī)定瀏覽器是否啟用數(shù)據(jù)污點(diǎn):</td><td>" + navigator.taintEnabled() + "</td></tr>"; info += "</table>"; document.getElementById("elInfo").innerHTML = info; return info; } //獲取插件所有的名稱 function getPluginName() { var info = ""; var plugins = navigator.plugins; if (plugins.length > 0) { for (i = 0; i < navigator.plugins.length; i++) { info += navigator.plugins[i].name + ";"; } } return info; } //檢查是否安裝了某插件,如果安裝了返回版本號(hào) function checkePlugs(pluginname) { var f = "-" var plugins = navigator.plugins; if (plugins.length > 0) { for (i = 0; i < navigator.plugins.length; i++) { if (navigator.plugins[i].name.indexOf(pluginname) >= 0) { f = navigator.plugins[i].description.split(pluginname)[1]; return f; break; } } } return false; } //判斷是否IE function isIe() { var i = navigator.userAgent.toLowerCase().indexOf("msie"); return i >= 0; } //判斷是否firefox function isFireFox() { var i = navigator.userAgent.toLowerCase().indexOf("firefox"); return i >= 0; }/******************************************以上為瀏覽器信息,以下為pc信息************************************************/ var locator = new ActiveXObject("WbemScripting.SWbemLocator"); var service = locator.ConnectServer(".");function cpuInfo() { //CPU 信息 var properties = service.ExecQuery("SELECT * FROM Win32_Processor"); var e = new Enumerator(properties); var info = "<table border=1>"; info += "<tr bgcolor='#CDEDED' style='font-weight: bold;' ><td width='450' >CPU 信息</td></tr>"; for (; !e.atEnd(); e.moveNext()) { var p = e.item(); info += "<tr style='color: red'><td >CPU序列號(hào):" + p.ProcessorID + "</td></tr>"; info += "<tr><td >" + p.Caption + "</td></tr>"; info += "<tr><td >CPU編號(hào):" + p.DeviceID + "</td></tr>"; info += "<tr><td >CPU型號(hào):" + p.Name + "</td></tr>"; info += "<tr><td >CPU狀態(tài):" + p.CpuStatus + "</td></tr>"; info += "<tr><td >CPU可用性:" + p.Availability + "</td></tr>"; info += "<tr><td >CUP Level:" + p.Level + "</td></tr>"; info += "<tr><td >主機(jī)名稱:" + p.SystemName + "</td></tr>"; info += "<tr><td >Processor Type:" + p.ProcessorType + "</td></tr>"; } info += "</table>"; return info; }function softDisk() { //軟盤信息 var properties = service.ExecQuery("SELECT * FROM Win32_FloppyDrive"); var e = new Enumerator(properties); var info = "<table border=1>"; info += "<tr bgcolor='#CDEDED' style='font-weight: bold;' ><td width='450'>軟盤信息</td></tr>"; for (; !e.atEnd(); e.moveNext()) { var p = e.item(); info += "<tr><td >" + p.Description + "</td></tr>"; info += "<tr><td >" + p.DeviceID + "</td></tr>"; info += "<tr><td >" + p.Status + "</td></tr>"; info += "<tr><td >" + p.Manufacuturer + "</td></tr>"; } info += "</table>"; return info; }function RomInfo() { //CD-ROM 信息 var properties = service.ExecQuery("SELECT * FROM Win32_CDROMDrive"); var e = new Enumerator(properties); var info = "<table border=1>"; info += "<tr bgcolor='#CDEDED' style='font-weight: bold;'><td width='450' >CD-ROM 信息 </td></tr>"; for (; !e.atEnd(); e.moveNext()) { var p = e.item(); info += "<tr><td >驅(qū)動(dòng)器名稱:" + p.Caption + "</td></tr>"; info += "<tr><td >描述:" + p.Description + "</td></tr>"; info += "<tr><td >盤符:" + p.Drive + "</td></tr>"; info += "<tr><td >驅(qū)動(dòng)器狀態(tài):" + p.Status + "</td></tr>"; info += "<tr><td >是否在使用:" + p.MediaLoaded + "</td></tr>"; } info += "</table>"; return info; }function keyBoardInfo() { //鍵盤信息 var properties = service.ExecQuery("SELECT * FROM Win32_Keyboard"); var e = new Enumerator(properties); var info = "<table border=1>"; info += "<tr bgcolor='#CDEDED' style='font-weight: bold;'><td width='450'>鍵盤信息 </td></tr>"; for (; !e.atEnd(); e.moveNext()) { var p = e.item(); info += "<tr><td >鍵盤描述:" + p.Description + "</td></tr>"; info += "<tr><td >鍵盤名稱:" + p.Name + "</td></tr>"; info += "<tr><td >鍵盤狀態(tài):" + p.Status + "</td></tr>"; } info += "</table>"; return info; }function mainBoard() { //主板信息 var properties = service.ExecQuery("SELECT * FROM Win32_BaseBoard"); var e = new Enumerator(properties); var info = "<table border=1>"; info += "<tr bgcolor='#CDEDED' style='font-weight: bold;'><td width='450'>主板信息 </td></tr>"; for (; !e.atEnd(); e.moveNext()) { var p = e.item(); info += "<tr style='color: red'><td >主板ID:" + p.SerialNumber + "</td></tr>"; info += "<tr><td >" + p.HostingBoard + "</td></tr>"; info += "<tr><td >制造商:" + p.Manufacturer + "</td></tr>"; info += "<tr><td >是否開啟:" + p.PoweredOn + "</td></tr>"; info += "<tr><td >型號(hào):" + p.Product + "</td></tr>"; info += "<tr><td >版本:" + p.Version + "</td></tr>"; } info += "</table>"; return info; }function disk() { //硬盤序列號(hào) 信息 var properties = service.ExecQuery("SELECT * FROM Win32_DiskDrive"); var e = new Enumerator(properties); var info = "<table border=1>"; info += "<tr bgcolor='#CDEDED' style='font-weight: bold;' ><td width='450'>硬盤信息 </td></tr>"; for (; !e.atEnd(); e.moveNext()) { var p = e.item(); info += "<tr style='color: red'><td >硬盤序列號(hào):" + p.signature + "</td></tr>"; } info += "</table>"; return info; } //獲取Ram信息 function raminfo() { var system = new Enumerator(service.ExecQuery("SELECT * FROM Win32_ComputerSystem")).item();var physicMenCap = Math.ceil(system.TotalPhysicalMemory / 1024 / 1024); //內(nèi)存信息 var memory = new Enumerator(service.ExecQuery("SELECT * FROM Win32_PhysicalMemory")); for (var mem = [], i = 0; !memory.atEnd(); memory.moveNext()) { mem[i++] = { cap: memory.item().Capacity / 1024 / 1024, speed: memory.item().Speed }; }var info = "<table border=1>"; info += "<tr bgcolor='#CDEDED' style='font-weight: bold;' ><td width='450'>內(nèi)存信息 </td></tr>"; info += "<tr style='color: red'><td >內(nèi)存總量:" + (mem[0].cap + mem[1].cap) + "M</td></tr>"; info += "<tr style='color: red'><td >可用物理內(nèi)存:" + physicMenCap + "M</td></tr>"; info += "</table>"; return info; }//獲取網(wǎng)絡(luò)連接信息 function ipinfo() {var properties = service.ExecQuery("SELECT * FROM Win32_NetworkAdapterConfiguration Where IPEnabled=TRUE"); var e = new Enumerator(properties); var info = "<table border=1>"; info += "<tr bgcolor='#CDEDED' style='font-weight: bold;' ><td width='450'>網(wǎng)絡(luò)連接信息:</td></tr>"; var i = 1; for (; !e.atEnd(); e.moveNext()) { var p = e.item(); info += "<tr style='color: red'><td >MAC地址" + i + ":" + p.MACAddress + "</td></tr>"; info += "<tr style='color: red'><td >IP地址" + i + ":" + p.IPAddress(0) + "</td></tr>"; i++; } info += "</table>"; return info; }function pcInfo() { //所有信息var info = cpuInfo(); info += disk(); info += raminfo(); info += mainBoard(); info += ipinfo(); info += keyBoardInfo(); info += RomInfo(); info += softDisk();document.getElementById('elInfo').innerHTML = info; return info; }/******************************************以上為pc信息************************************************/ </script></head><body><INPUT id="Button1" type="button" value="瀏覽器所有信息" name="Button1" language=javascript onclick="allinfo()"><INPUT id="Button1" type="button" value="客戶端pc信息" name="Button1" language=javascript onclick="pcInfo()"><div id="elInfo"></div> </body></html>

二、JavaWeb中通過從request請(qǐng)求中獲取瀏覽器類型、系統(tǒng)信息、客戶端ip等信息

2.0、使用UserAgentUtils.jar包

UserAgentUtils-1.20.jar下載地址:http://download.csdn.net/detail/chenchunlin526/9744244

UserAgentUtils-1.20源碼source下載:http://download.csdn.net/detail/chenchunlin526/9744247

2.1、使用UserAgentUtils來獲取客戶端請(qǐng)求的信息:瀏覽器類型、操作系統(tǒng)類型、客戶端IP

2.1.0、pom.xml 設(shè)置:

<!-- 請(qǐng)求頭參數(shù)分析包 --> <dependency> <groupId>my.demo</groupId> <artifactId>UserAgentUtils</artifactId> <version>1.20</version> </dependency>

??2.1.1、Java代碼:

/** *? * @Description 使用UserAgentUtils來獲取客戶端請(qǐng)求的信息:瀏覽器類型、操作系統(tǒng)類型、客戶端IP ? * @param request * @return SearchLog * @Date? */ private SearchLog initSearchLog(HttpServletRequest request) {// userAgent(用戶代理,指瀏覽器)中有很多獲取請(qǐng)求信息的方法 UserAgent?userAgent?=?UserAgent.parseUserAgentString(request.getHeader("User-Agent")); SearchLog searchLog = new SearchLog();searchLog.setSearchExpression(getParam("searchExpression", request)); searchLog.setUserId(SessionUtil.getUserId()); searchLog.setUsername(SessionUtil.getCurrentUserName()); //?searchLog.setSearchTime(new DateTime().toString("yyyy-MM-dd HH:mm:ss")); searchLog.setSearchTime(new Date());/* * //獲取瀏覽器對(duì)象 * Browser browser = userAgent.getBrowser();* //瀏覽器名: browser.getName()); * //瀏覽器類型: browser.getBrowserType()); * //瀏覽器家族: browser.getGroup()); * //瀏覽器生產(chǎn)廠商: browser.getManufacturer()); * //瀏覽器使用的渲染引擎: browser.getRenderingEngine()); * //瀏覽器版本: userAgent.getBrowserVersion()); * * //獲取操作系統(tǒng)對(duì)象 * OperatingSystem operatingSystem = userAgent.getOperatingSystem(); * * //操作系統(tǒng)名: operatingSystem.getName()); * //訪問設(shè)備類型: operatingSystem.getDeviceType()); * //操作系統(tǒng)家族: operatingSystem.getGroup()); * //操作系統(tǒng)生產(chǎn)廠商: operatingSystem.getManufacturer()); */// 獲取客戶端請(qǐng)求的瀏覽器類型 searchLog.setBrowserType(userAgent.getBrowser().toString());String s = request.getParameter("searchChannel"); searchLog.setSearchChannel(request.getParameter("searchChannel"));// 獲得終端設(shè)備的IP地址? searchLog.setTerminalIp(request.getRemoteAddr());return searchLog; }

======request(是域?qū)ο?#xff09;的域方法:================================================

0. void setAttribute(String name, Object value):用來存儲(chǔ)一個(gè)對(duì)象,也可以稱之為存儲(chǔ)一個(gè)域?qū)傩?#xff0c;例如:servletContext.setAttribute(“xxx”, “XXX”),在request中保存了一個(gè)域?qū)傩?#xff0c;域?qū)傩悦Q為xxx,域?qū)傩缘闹禐閄XX。請(qǐng)注意,如果多次調(diào)用該方法,并且使用相同的name,那么會(huì)覆蓋上一次的值,這一特性與Map相同;1. Object getAttribute(String name):用來獲取request中的數(shù)據(jù),當(dāng)前在獲取之前需要先去存儲(chǔ)才行,例如:String value = (String)request.getAttribute(“xxx”);,獲取名為xxx的域?qū)傩?#xff1b;2. void removeAttribute(String name):用來移除request中的域?qū)傩?#xff0c;如果參數(shù)name指定的域?qū)傩圆淮嬖?#xff0c;那么本方法什么都不做;3. Enumeration getAttributeNames():獲取所有域?qū)傩缘拿Q;4. String getHeader(String name):獲取指定名稱的請(qǐng)求頭;5. Enumeration getHeaderNames():獲取所有請(qǐng)求頭名稱;6. int getIntHeader(String name):獲取值為int類型的請(qǐng)求頭。7. int getContentLength():獲取請(qǐng)求體的字節(jié)數(shù),GET請(qǐng)求沒有請(qǐng)求體,沒有請(qǐng)求體返回-1;8. String getContentType():獲取請(qǐng)求類型,如果請(qǐng)求是GET,那么這個(gè)方法返回null;如果是POST請(qǐng)求,那么默認(rèn)為application/x-www-form-urlencoded,表示請(qǐng)求體內(nèi)容使用了URL編碼;9. String getMethod():返回請(qǐng)求方法,例如:GET10. Locale getLocale():返回當(dāng)前客戶端瀏覽器的Locale。java.util.Locale表示國家和言語,這個(gè)東西在國際化中很有用;11. String getCharacterEncoding():獲取請(qǐng)求編碼,如果沒有setCharacterEncoding(),那么返回null,表示使用ISO-8859-1編碼;12. void setCharacterEncoding(String code):設(shè)置請(qǐng)求編碼,只對(duì)請(qǐng)求體有效!注意,對(duì)于GET而言,沒有請(qǐng)求體!!!所以此方法只能對(duì)POST請(qǐng)求中的參數(shù)有效!13. String getContextPath():返回上下文路徑,例如:/hello14. String getQueryString():返回請(qǐng)求URL中的參數(shù),例如:name=zhangSan15. String getRequestURI():返回請(qǐng)求URI路徑,例如:/hello/oneServlet16. StringBuffer getRequestURL():返回請(qǐng)求URL路徑,例如:http://localhost/hello/oneServlet,即返回除了參數(shù)以外的路徑信息;17. String getServletPath():返回Servlet路徑,例如:/oneServlet18. String getRemoteAddr():返回當(dāng)前客戶端的IP地址;19. String getRemoteHost():返回當(dāng)前客戶端的主機(jī)名,但這個(gè)方法的實(shí)現(xiàn)還是獲取IP地址;20. String getScheme():返回請(qǐng)求協(xié)議,例如:http;21. String getServerName():返回主機(jī)名,例如:localhost22. int getServerPort():返回服務(wù)器端口號(hào),例如:8080

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