package?chartroom;

import?java.io.File;
import?java.io.FileReader;
import?java.io.IOException;
import?java.io.PrintWriter;
import?java.util.HashMap;
import?java.util.Map;
import?java.util.Scanner;

import?javax.servlet.ServletException;
import?javax.servlet.annotation.WebServlet;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

import?com.alibaba.fastjson.JSON;

/**
?*?Servlet?implementation?class?ChartRoomAction
?*/
@WebServlet（“/ChartRoomAction“）
public?class?ChartRoomAction?extends?HttpServlet?{
	private?static?final?long?serialVersionUID?=?1L;

????/**
?????*?Default?constructor.?
?????*/
????public?ChartRoomAction（）?{
????????
????}

	/**
	?*?@see?HttpServlet#doGet（HttpServletRequest?request?HttpServletResponse?response）
	?*/
	protected?void?doGet（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{
	????//得到chartroom文件
	????File?file?=?new?File（“d:/chartroom.txt“）;
	????//毫秒數
	????long?modifiedTime?=?file.lastModified（）;
	????long?currentTime?=?System.currentTimeMillis（）;
	????while?（modifiedTime?<=?currentTime）{
	????????try?{
	????????????Thread.sleep（1000L）;
	????????????modifiedTime?=?file.lastModified（）;
	????????}?catch?（InterruptedException?e）?{
	????????????e.printStackTrace（）;
	????????}
	????}
	????
	????Scanner?sc?=?new?Scanner（new?FileReader（file））;?//創建讀取流
????????String?line=null;
????????while（（sc.hasNextLine（）&&（line=sc.nextLine（））!=null））{
????????????if（!sc.hasNextLine（））;
????????}
????????String?resultStr?=?““;
????????if（line!=null）{
????????????String[]?tmp?=?line.split（“\t“）;
????????????Map?result?=?new?HashMap（）;
????????????result.put（“time“?tmp[0]）;
????????????result.put（“nick“?tmp[1]）;
????????????result.put（“msg“?tmp[2]）;
????????????resultStr?=?JSON.toJSONString（result）;
????????}
????????//這句話的意思，是讓瀏覽器用utf8來解析返回的數據??
????????response.setHeader（“Content-type“?“text/html;charset=UTF-8“）;??
????????//這句話的意思，是告訴servlet用UTF-8轉碼，而不是用默認的ISO8859??
????????response.setCharacterEncoding（“UTF-8“）;?
	????PrintWriter?out?=?response.getWriter（）;
	????out.print（resultStr）;
	????out.flush（）;
	????out.close（）;
	}

	/**
	?*?@see?HttpServlet#doPost（HttpServletRequest?request?HttpServletResponse?response）
	?*/
	protected?void?doPost（HttpServletRequest?request?HttpServletResponse?response）?throws?ServletException?IOException?{
		//?TODO?Auto-generated?method?stub
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-10-18?17:07??chatrooms\
?????文件?????????882??2013-10-18?17:09??chatrooms\.classpath
?????文件????????1042??2013-10-18?16:54??chatrooms\.project
?????目錄???????????0??2013-10-18?17:07??chatrooms\.settings\
?????文件?????????503??2013-10-18?16:54??chatrooms\.settings\.jsdtscope
?????文件?????????395??2013-10-18?16:54??chatrooms\.settings\org.eclipse.jdt.core.prefs
?????文件?????????481??2013-10-18?16:54??chatrooms\.settings\org.eclipse.wst.common.component
?????文件?????????305??2013-10-18?16:54??chatrooms\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2013-10-18?16:54??chatrooms\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2013-10-18?16:54??chatrooms\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2013-10-18?17:07??chatrooms\WebContent\
?????目錄???????????0??2013-10-18?17:07??chatrooms\WebContent\meta-INF\
?????文件??????????39??2013-10-18?16:54??chatrooms\WebContent\meta-INF\MANIFEST.MF
?????目錄???????????0??2013-10-18?17:07??chatrooms\WebContent\WEB-INF\
?????目錄???????????0??2013-10-18?17:07??chatrooms\WebContent\WEB-INF\lib\
?????文件??????252277??2013-10-18?16:54??chatrooms\WebContent\WEB-INF\lib\fastjson-1.1.2.jar
?????文件??????177209??2013-10-18?16:55??chatrooms\WebContent\WEB-INF\lib\servlet-api.jar
?????文件????????1131??2013-10-18?17:03??chatrooms\WebContent\WEB-INF\web.xml
?????文件????????2039??2013-10-18?16:54??chatrooms\WebContent\index.jsp
?????文件???????91573??2013-10-18?16:54??chatrooms\WebContent\jquery-1.6.2.min.js
?????目錄???????????0??2013-10-18?17:07??chatrooms\build\
?????目錄???????????0??2013-10-18?17:09??chatrooms\build\classes\
?????目錄???????????0??2013-10-18?17:09??chatrooms\build\classes\chartroom\
?????文件????????2920??2013-10-18?17:09??chatrooms\build\classes\chartroom\ChartRoomAction.class
?????文件????????2457??2013-10-18?17:09??chatrooms\build\classes\chartroom\SendAction.class
?????文件?????????793??2013-10-18?17:09??chatrooms\build\classes\chartroom\Test.class
?????目錄???????????0??2013-10-18?17:07??chatrooms\src\
?????目錄???????????0??2013-10-18?17:07??chatrooms\src\chartroom\
?????文件????????2630??2013-10-18?17:08??chatrooms\src\chartroom\ChartRoomAction.java
?????文件????????2070??2013-10-18?17:08??chatrooms\src\chartroom\SendAction.java
?????文件?????????546??2013-10-18?17:09??chatrooms\src\chartroom\Test.java
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