User Agent中文名为用户代理，简称 UA，它是一个特殊字符串头，使得服务器能够识别客户使用的操作系统及版本、CPU 类型、浏览器及版本、浏览器渲染引擎、浏览器语言、浏览器插件等。UA也成为了，我们服务器判断请求是PC浏览器，还是移动端浏览器的主要依据了。虽然我是一个JavaEE工程师，但在实际中经常要开发一些微信商城或APP应用，所以判断请求来自哪里，就显得尤为重要了。
import javax.servlet.http.HttpServletRequest; import eu.bitwalker.useragentutils.Browser;
import eu.bitwalker.useragentutils.DeviceType;
import eu.bitwalker.useragentutils.UserAgent; /**
* 用户代理字符串识别工具
*/
public class UserAgentUtils { /**
* 获取用户代理对象
* @param request
* @return
*/
public static UserAgent getUserAgent(HttpServletRequest request){
return UserAgent.parseUserAgentString(request.getHeader("User-Agent"));
} /**
* 获取设备类型
* @param request
* @return
*/
public static DeviceType getDeviceType(HttpServletRequest request){
return getUserAgent(request).getOperatingSystem().getDeviceType();
} /**
* 是否是PC
* @param request
* @return
*/
public static boolean isComputer(HttpServletRequest request){
return DeviceType.COMPUTER.equals(getDeviceType(request));
} /**
* 是否是手机
* @param request
* @return
*/
public static boolean isMobile(HttpServletRequest request){
return DeviceType.MOBILE.equals(getDeviceType(request));
} /**
* 是否是平板
* @param request
* @return
*/
public static boolean isTablet(HttpServletRequest request){
return DeviceType.TABLET.equals(getDeviceType(request));
} /**
* 是否是手机和平板
* @param request
* @return
*/
public static boolean isMobileOrTablet(HttpServletRequest request){
DeviceType deviceType = getDeviceType(request);
return DeviceType.MOBILE.equals(deviceType) || DeviceType.TABLET.equals(deviceType);
} /**
* 获取浏览类型
* @param request
* @return
*/
public static Browser getBrowser(HttpServletRequest request){
return getUserAgent(request).getBrowser();
} /**
* 是否IE版本是否小于等于IE8
* @param request
* @return
*/
public static boolean isLteIE8(HttpServletRequest request){
Browser browser = getBrowser(request);
return Browser.IE5.equals(browser) || Browser.IE6.equals(browser)
|| Browser.IE7.equals(browser) || Browser.IE8.equals(browser);
} }
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader; /**
* MAC地址工具
*/
public class MacUtils { /**
* 获取当前操作系统名称. return 操作系统名称 例如:windows,Linux,Unix等.
*/
public static String getOSName() {
return System.getProperty("os.name").toLowerCase();
} /**
* 获取Unix网卡的mac地址.
*
* @return mac地址
*/
public static String getUnixMACAddress() {
String mac = null;
BufferedReader bufferedReader = null;
Process process = null;
try {
/**
* Unix下的命令，一般取eth0作为本地主网卡 显示信息中包含有mac地址信息
*/
process = Runtime.getRuntime().exec("ifconfig eth0");
bufferedReader = new BufferedReader(new InputStreamReader(
process.getInputStream()));
String line = null;
int index = -1;
while ((line = bufferedReader.readLine()) != null) {
/**
* 寻找标示字符串[hwaddr]
*/
index = line.toLowerCase().indexOf("hwaddr");
/**
* 找到了
*/
if (index != -1) {
/**
* 取出mac地址并去除2边空格
*/
mac = line.substring(index + "hwaddr".length() + 1).trim();
break;
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
bufferedReader = null;
process = null;
} return mac;
} /**
* 获取Linux网卡的mac地址.
*
* @return mac地址
*/
public static String getLinuxMACAddress() {
String mac = null;
BufferedReader bufferedReader = null;
Process process = null;
try {
/**
* linux下的命令，一般取eth0作为本地主网卡 显示信息中包含有mac地址信息
*/
process = Runtime.getRuntime().exec("ifconfig eth0");
bufferedReader = new BufferedReader(new InputStreamReader(
process.getInputStream()));
String line = null;
int index = -1;
while ((line = bufferedReader.readLine()) != null) {
index = line.toLowerCase().indexOf("硬件地址");
/**
* 找到了
*/
if (index != -1) {
/**
* 取出mac地址并去除2边空格
*/
mac = line.substring(index + 4).trim();
break;
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
bufferedReader = null;
process = null;
} // 取不到，试下Unix取发
if (mac == null){
return getUnixMACAddress();
} return mac;
} /**
* 获取widnows网卡的mac地址.
*
* @return mac地址
*/
public static String getWindowsMACAddress() {
String mac = null;
BufferedReader bufferedReader = null;
Process process = null;
try {
/**
* windows下的命令，显示信息中包含有mac地址信息
*/
process = Runtime.getRuntime().exec("ipconfig /all");
bufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line = null;
int index = -1;
while ((line = bufferedReader.readLine()) != null) {
/**
* 寻找标示字符串[physical address]
*/
// index = line.toLowerCase().indexOf("physical address");
// if (index != -1) {
if (line.split("-").length == 6){
index = line.indexOf(":");
if (index != -1) {
/**
* 取出mac地址并去除2边空格
*/
mac = line.substring(index + 1).trim();
}
break;
}
index = line.toLowerCase().indexOf("物理地址");
if (index != -1) {
index = line.indexOf(":");
if (index != -1) {
/**
* 取出mac地址并去除2边空格
*/
mac = line.substring(index + 1).trim();
}
break;
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (bufferedReader != null) {
bufferedReader.close();
}
} catch (IOException e1) {
e1.printStackTrace();
}
bufferedReader = null;
process = null;
} return mac;
} public static String getMac(){
String os = getOSName();
String mac;
if (os.startsWith("windows")) {
mac = getWindowsMACAddress();
} else if (os.startsWith("linux")) {
mac = getLinuxMACAddress();
} else {
mac = getUnixMACAddress();
}
return mac == null ? "" : mac;
} /**
* 测试用的main方法.
*
* @param argc 运行参数.
*/
public static void main(String[] argc) {
String os = getOSName();
System.out.println("os: " + os);
if (os.startsWith("windows")) {
String mac = getWindowsMACAddress();
System.out.println("mac: " + mac);
} else if (os.startsWith("linux")) {
String mac = getLinuxMACAddress();
System.out.println("mac: " + mac);
} else {
String mac = getUnixMACAddress();
System.out.println("mac: " + mac);
}
} }
/**
* 我们需要判断Http请求是来自手机端还是电脑端，关键是取得User-Agent的信息，进行筛选判断即可
* @param requestHeader
* @return
*/
public static boolean isMobileDevice(String requestHeader){
/**
* android : 所有android设备
* mac os : iphone ipad
* windows phone:Nokia等windows系统的手机
*/
String[] deviceArray = new String[]{"Android","android","mac os","windows phone"};
if(requestHeader == null)
return false;
requestHeader = requestHeader.toLowerCase();
for(int i=0;i<deviceArray.length;i++){
if(requestHeader.indexOf(deviceArray[i])>0){
return true;
}
}
return false;
}
//导入slf4j的包
import org.slf4j.Logger;
import org.slf4j.LoggerFactory; //使用
private static Logger logger = LoggerFactory.getLogger(***.class);
//自动注入
@Autowired
protected HttpServletRequest request; //在方法中调用isMobileDevice(String requestHeader)判断
if(isMobileDevice(requestHeader)){
logger.debug("使用手机浏览器");
return "/***/***";
11 }else{
logger.debug("使用web浏览器");
return "/***/***";
}
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