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				package com.yihu.jw.gateway.useragent; 
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				import com.alibaba.fastjson.JSON; 
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				import com.alibaba.fastjson.JSONObject; 
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				import org.springframework.stereotype.Component; 
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				import org.springframework.util.StringUtils; 
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				import org.springframework.web.context.request.RequestContextHolder; 
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				import org.springframework.web.context.request.ServletRequestAttributes; 
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				import javax.servlet.http.HttpServletRequest; 
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				/** 
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				 * 用户头部信息获取 
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				 * Created by Trick on 2018/10/30. 
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				 */ 
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				@Component 
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				public class UserAgent { 
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				    /** 
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				     * 获取当前登录人ID 
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				     * @return 
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				     */ 
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				    public String getUID() { 
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				        try { 
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				            HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest(); 
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				            String userAgent = request.getHeader("userAgent"); 
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				            if (StringUtils.isEmpty(userAgent)) { 
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				                return null; 
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				            } 
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				            JSONObject json = JSON.parseObject(userAgent); 
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				            return json.getString("uid"); 
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				        } catch (Exception e) { 
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				            return null; 
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				        } 
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				    } 
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				    /** 
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				     * 获取登录人姓名 
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				     * @return 
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				     */ 
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				    public String getUNAME(){ 
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				        try { 
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				            HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest(); 
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				            String userAgent = request.getHeader("userAgent"); 
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				            if (StringUtils.isEmpty(userAgent)) { 
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				                return null; 
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				            } 
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				            JSONObject json = JSON.parseObject(userAgent); 
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				            String info = json.getString("uname"); 
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				            String uname = java.net.URLDecoder.decode(info,"UTF-8"); 
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				            return uname; 
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				        } catch (Exception e) { 
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				            return null; 
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				        } 
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				    } 
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				    /** 
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				     * 获取角色ID 
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				     * @return 
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				     */ 
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				    public String getROLEID() { 
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				        try { 
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				            HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest(); 
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				            String userAgent = request.getHeader("userAgent"); 
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				            if (StringUtils.isEmpty(userAgent)) { 
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				                return null; 
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				            } 
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				            JSONObject json = JSON.parseObject(userAgent); 
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				            return json.getString("roleid"); 
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				        } catch (Exception e) { 
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				            return null; 
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				        } 
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				    } 
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				    public JSONObject getUserAgent(){ 
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				        try{ 
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				            HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest(); 
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				            String userAgent = request.getHeader("userAgent"); 
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				            JSONObject user = JSON.parseObject(userAgent); 
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				            return user; 
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				        }catch (Exception e){ 
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				            return null; 
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				        } 
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				    } 
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				} 
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