package?com.test.json;

import?java.io.IOException;
import?java.io.PrintWriter;
import?java.util.ArrayList;
import?java.util.List;

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

import?com.google.gson.Gson;
import?com.test.model.NewTotal;
import?com.test.model.News;

public?class?JsonServlet?extends?HttpServlet?{

	private?static?final?long?serialVersionUID?=?1L;

	@Override
	protected?void?doGet（HttpServletRequest?req?HttpServletResponse?resp）
			throws?ServletException?IOException?{
		//創建多個新聞類，模擬從數據庫獲取數據，可將此處改為用JDBC從數據庫讀取數據
		News?new1?=?new?News（110?“日本地震“?“日本福田發生了7級地震“?“2016-5-16?10:22:20“?“www.baidu.com“）;
		News?new2?=?new?News（112?“Apple庫克第八次訪華“?“近日庫克第八次訪華，與滴滴高層會談“?“2016-5-16?10:22:20“?“www.baidu.com“）;
		News?new3?=?new?News（112?“Google?I/O大會開幕“?“Google開發者大會即將舉辦，是否推出Android7.0?“?“2016-5-16?10:22:20“?“www.baidu.com“）;
		News?new4?=?new?News（112?“格力營收下滑400億“?“格里營收下滑400億，董明珠說我活得好的很“?“2016-5-16?10:22:20“?“www.baidu.com“）;
		//將數據添加到數組
		List?newslist?=?new?ArrayList（）;
		newslist.add（new1）;
		newslist.add（new2）;
		newslist.add（new3）;
		newslist.add（new4）;
		//將數據封裝到新聞總計類
		NewTotal?nt?=?new?NewTotal（newslist.size（）?newslist）;
		
		//調用GSON?jar工具包封裝好的toJson方法，可直接生成JSON字符串
		Gson?gson?=?new?Gson（）;
		String?json?=?gson.toJson（nt）;
		
		//輸出到界面?
		System.out.println（json）;
????	resp.setContentType（“text/plain“）;
????	resp.setCharacterEncoding（“gb2312“）;
		PrintWriter?out?=?new?PrintWriter（resp.getOutputStream（））;
		out.print（json）;
		out.flush（）;
		//更多Gson使用請看JsonTest類
	}

	@Override
	protected?void?doPost（HttpServletRequest?req?HttpServletResponse?resp）
			throws?ServletException?IOException?{
		this.doGet（req?resp）;
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-05-20?09:01??JsonTest\
?????文件????????1093??2016-05-13?11:18??JsonTest\.classpath
?????文件????????1191??2016-05-13?11:18??JsonTest\.project
?????目錄???????????0??2016-05-20?09:01??JsonTest\.settings\
?????文件?????????522??2016-05-13?11:18??JsonTest\.settings\.jsdtscope
?????文件?????????364??2016-05-13?11:18??JsonTest\.settings\org.eclipse.jdt.core.prefs
?????文件?????????483??2016-05-13?11:18??JsonTest\.settings\org.eclipse.wst.common.component
?????文件?????????414??2016-05-13?11:18??JsonTest\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2016-05-13?11:18??JsonTest\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2016-05-13?11:18??JsonTest\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件??????????66??2016-05-13?11:18??JsonTest\.tern-project
?????目錄???????????0??2016-05-20?09:01??JsonTest\src\
?????目錄???????????0??2016-05-20?09:01??JsonTest\src\com\
?????目錄???????????0??2016-05-20?09:01??JsonTest\src\com\test\
?????目錄???????????0??2016-05-20?09:01??JsonTest\src\com\test\json\
?????文件????????2039??2016-05-16?16:23??JsonTest\src\com\test\json\JsonServlet.java
?????文件????????2462??2016-05-18?10:57??JsonTest\src\com\test\json\JsonTest.java
?????目錄???????????0??2016-05-20?09:01??JsonTest\src\com\test\model\
?????文件?????????294??2016-05-18?10:25??JsonTest\src\com\test\model\Box.java
?????文件????????1413??2016-05-16?16:14??JsonTest\src\com\test\model\News.java
?????文件?????????513??2016-05-16?16:22??JsonTest\src\com\test\model\NewTotal.java
?????文件?????????926??2016-05-13?16:02??JsonTest\src\com\test\model\SchoolClass.java
?????文件?????????811??2016-05-13?16:06??JsonTest\src\com\test\model\Student.java
?????文件?????????643??2016-05-13?16:12??JsonTest\src\com\test\model\Teacher.java
?????目錄???????????0??2016-05-20?09:01??JsonTest\WebRoot\
?????文件?????????989??2016-05-16?16:18??JsonTest\WebRoot\index.jsp
?????目錄???????????0??2016-05-20?09:01??JsonTest\WebRoot\meta-INF\
?????文件??????????39??2016-05-13?11:18??JsonTest\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2016-05-20?09:01??JsonTest\WebRoot\WEB-INF\
?????目錄???????????0??2016-05-20?09:01??JsonTest\WebRoot\WEB-INF\classes\
?????目錄???????????0??2016-05-20?09:01??JsonTest\WebRoot\WEB-INF\classes\com\
............此處省略15個文件信息