HttpServletRequest请求中获取操作系统，浏览器及浏览器版本信息

asfx站长

2020.10.31 12:56:47 阅读 709

在开发中需要从request中获取操作系统，浏览器及浏览器版本信息。我们都知道通过request.getHeader("User-Agent")可以获取到。但是这样获取到的信息是一串内容，里面包含了操作系统和浏览器的信息。

例如下面是用不同的浏览器访问得到的信息。
```
iPhone微信：
User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 8_1_2 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Mobile/12B440 MicroMessenger/6.2.4 NetType/WIFI Language/en

iPhone—safari
User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 8_1_2 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) Version/8.0 Mobile/12B440 Safari/600.1.4

Android-Chrome
User-Agent:Mozilla/5.0 (Linux; Android 4.4.4; HTC D820u Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.89 Mobile Safari/537.36

PC-Chrome
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36

PC-Firefox
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0

PC-IE
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko

mac-chrome
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.80 Safari/537.36

mac-safari
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0 Safari/605.1.15

windows-chrome
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36  //Chrom

windows-firefox
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:51.0) Gecko/20100101 Firefox/51.0  //FireFox

windows-edge
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36 Edge/14.14393  //Edge

windows-ie
Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko //IE11
```

我们需要根据自己的需求去写方法获取。
用下面这个方法就可以得到我们想要的操作系统，浏览器及浏览器版本信息了。
```

/**
     * 获取操作系统,浏览器及浏览器版本信息
     * @param request
     * @return
     */
    public static String getOsAndBrowserInfo(HttpServletRequest request){
        String  browserDetails  =   request.getHeader("User-Agent");
        String  userAgent       =   browserDetails;
        String  user            =   userAgent.toLowerCase();

String os = "";
        String browser = "";

//=================OS Info=======================
        if (userAgent.toLowerCase().indexOf("windows") >= 0 )
        {
            os = "Windows";
        } else if(userAgent.toLowerCase().indexOf("mac") >= 0)
        {
            os = "Mac";
        } else if(userAgent.toLowerCase().indexOf("x11") >= 0)
        {
            os = "Unix";
        } else if(userAgent.toLowerCase().indexOf("android") >= 0)
        {
            os = "Android";
        } else if(userAgent.toLowerCase().indexOf("iphone") >= 0)
        {
            os = "IPhone";
        }else{
            os = "UnKnown, More-Info: "+userAgent;
        }
        //===============Browser===========================
        if (user.contains("edge"))
        {
            browser=(userAgent.substring(userAgent.indexOf("Edge")).split(" ")[0]).replace("/", "-");
        } else if (user.contains("msie"))
        {
            String substring=userAgent.substring(userAgent.indexOf("MSIE")).split(";")[0];
            browser=substring.split(" ")[0].replace("MSIE", "IE")+"-"+substring.split(" ")[1];
        } else if (user.contains("safari") && user.contains("version"))
        {
            browser=(userAgent.substring(userAgent.indexOf("Safari")).split(" ")[0]).split("/")[0]
                    + "-" +(userAgent.substring(userAgent.indexOf("Version")).split(" ")[0]).split("/")[1];
        } else if ( user.contains("opr") || user.contains("opera"))
        {
            if(user.contains("opera")){
                browser=(userAgent.substring(userAgent.indexOf("Opera")).split(" ")[0]).split("/")[0]
                        +"-"+(userAgent.substring(userAgent.indexOf("Version")).split(" ")[0]).split("/")[1];
            }else if(user.contains("opr")){
                browser=((userAgent.substring(userAgent.indexOf("OPR")).split(" ")[0]).replace("/", "-"))
                        .replace("OPR", "Opera");
            }

} else if (user.contains("chrome"))
        {
            browser=(userAgent.substring(userAgent.indexOf("Chrome")).split(" ")[0]).replace("/", "-");
        } else if ((user.indexOf("mozilla/7.0") > -1) || (user.indexOf("netscape6") != -1)  ||
                (user.indexOf("mozilla/4.7") != -1) || (user.indexOf("mozilla/4.78") != -1) ||
                (user.indexOf("mozilla/4.08") != -1) || (user.indexOf("mozilla/3") != -1) )
        {
            browser = "Netscape-?";

} else if (user.contains("firefox"))
        {
            browser=(userAgent.substring(userAgent.indexOf("Firefox")).split(" ")[0]).replace("/", "-");
        } else if(user.contains("rv"))
        {
            String IEVersion = (userAgent.substring(userAgent.indexOf("rv")).split(" ")[0]).replace("rv:", "-");
            browser="IE" + IEVersion.substring(0,IEVersion.length() - 1);
        } else
        {
            browser = "UnKnown, More-Info: "+userAgent;
        }

return os +" --- "+ browser ;
    }
```

```
/**
     * 判断是否为移动端设备
     * @param userAgent
     * @return
     */
    public static boolean isMobileDevice(String userAgent){
        /**
         * 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", "iphone", "ipad", "windows phone"};
        if(userAgent == null)
            return false;
        userAgent = userAgent.toLowerCase();
        for(int i = 0; i < deviceArray.length; i++){
            if(userAgent.indexOf(deviceArray[i]) != -1){
                return true;
            }
        }
        return false;
    }
```