获取操作系统,浏览器及浏览器版本信息，以及区分PC端和移动端

/**
 * Name:UserAgent
 * Description:判断请求是来自PC端还是移动端等
 * Author: YXJ
 * Time: 2018/4/20 10:02
 */
public class UserAgent {
    /**
     * 获取操作系统,浏览器及浏览器版本信息
     *
     * @param request http请求
     */
    public static Integer getOsAndBrowserInfo(HttpServletRequest request) {
        String userAgent = request.getHeader("User-Agent");
        String user = userAgent.toLowerCase();
        Integer os;

        //=================OS Info=======================
        if (user.contains("windows")) {
            os = 0;
        } else if (user.contains("mac")) {
            os = 0;
        } else if (user.contains("x11")) {
            os = 0;
        } else if (user.contains("android")) {
            os = 1;
        } else if (user.contains("iphone")) {
            os = 1;
        } else {
            os = null;
        }

        return os;
    }
}