获取浏览器类型工具类
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author Created by 谭健 on 2018/4/16 0016. 星期一. 16:49.
* © All Rights Reserved.
* <p>
* <p>
* 浏览器工具类
*/
public class BrowserUtils {
/**
*
* @param requestUserAgent = request.getHeader("USER-AGENT")
* @return Browser