import?java.io.FileOutputStream;
import?java.io.IOException;

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

import?sun.misc.base64Decoder;??

/**
?*?上傳圖片。
?*/
public?class?UploadImageAjax?extends?HttpServlet?{

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

	@Override
	protected?void?doPost（HttpServletRequest?req?HttpServletResponse?resp）
	????????throws?ServletException?IOException{
		
		String?image?=?req.getParameter（“image“）;
		
		//?只允許jpg
		String?header?=?“data:image/jpeg;base64“;
		if（image.indexOf（header）?!=?0）{
			resp.getWriter（）.print（wrapJSON（false））;
			return;
		}
		
		//?去掉頭部
		image?=?image.substring（header.length（））;
		
		//?寫入磁盤
		boolean?success?=?false;
		base64Decoder?decoder?=?new?base64Decoder（）;
		try{
			byte[]?decodedBytes?=?decoder.decodeBuffer（image）;
			String?imgFilePath?=?“D://uploadimage.jpg“;
			FileOutputStream?out?=?new?FileOutputStream（imgFilePath）;
			out.write（decodedBytes）;
			out.close（）;
			success?=?true;
		}catch（Exception?e）{
			success?=?false;
			e.printStackTrace（）;
		}
		
		resp.getWriter（）.print（wrapJSON（success））;
	}
	
	private?String?wrapJSON（boolean?success）{
		return?“{\“success\“:“?+?success?+?“}“;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????479??2014-12-07?12:06??UploadImage\.classpath

?????文件???????1044??2014-12-07?12:03??UploadImage\.project

?????文件????????503??2014-12-07?12:02??UploadImage\.settings\.jsdtscope

?????文件????????364??2014-12-07?12:02??UploadImage\.settings\org.eclipse.jdt.core.prefs

?????文件????????485??2014-12-07?12:02??UploadImage\.settings\org.eclipse.wst.common.component

?????文件????????305??2014-12-07?12:02??UploadImage\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2014-12-07?12:02??UploadImage\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2014-12-07?12:02??UploadImage\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件?????????37??2014-12-07?12:03??UploadImage\.tern-project

?????文件???????2262??2014-12-07?12:10??UploadImage\build\classes\UploadImageAjax.class

?????文件???????1378??2014-12-07?12:10??UploadImage\src\UploadImageAjax.java

?????文件???????1138??2014-12-07?12:09??UploadImage\WebContent\index.html

?????文件??????95786??2014-11-30?12:56??UploadImage\WebContent\jquery-1.11.1.min.js

?????文件?????????39??2014-12-07?12:02??UploadImage\WebContent\meta-INF\MANIFEST.MF

?????文件?????197876??2014-11-29?20:33??UploadImage\WebContent\WEB-INF\lib\servlet-api.jar

?????文件????????285??2014-12-07?12:03??UploadImage\WebContent\WEB-INF\web.xml

?????目錄??????????0??2014-12-07?12:05??UploadImage\WebContent\WEB-INF\lib

?????目錄??????????0??2014-12-07?12:06??UploadImage\build\classes

?????目錄??????????0??2014-12-07?12:02??UploadImage\WebContent\meta-INF

?????目錄??????????0??2014-12-07?12:03??UploadImage\WebContent\WEB-INF

?????目錄??????????0??2014-12-07?12:02??UploadImage\.settings

?????目錄??????????0??2014-12-07?12:02??UploadImage\build

?????目錄??????????0??2014-12-07?12:04??UploadImage\src

?????目錄??????????0??2014-12-07?12:09??UploadImage\WebContent

?????目錄??????????0??2014-12-07?12:03??UploadImage

-----------?---------??----------?-----??----

???????????????302036????????????????????25