/**
?*?
?*/
package?ems.comm;

import?java.util.HashMap;
import?java.util.Iterator;
import?java.util.List;
import?java.util.Map;

import?javax.servlet.http.HttpServletRequest;

import?org.apache.commons.fileupload.FileItem;
import?org.apache.commons.fileupload.FileUploadException;
import?org.apache.commons.fileupload.disk.DiskFileItemFactory;
import?org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
?*?@author?lipanpan
?*?表單中不論是基本文本數據還是上傳的文件，都是封裝在FileItem中的
?*?一個字段對應一個FileItem
?*/
public?class?FileUpload?{
	private?Map?map?=?null;

	public?FileUpload（HttpServletRequest?request）?{
		this（request?10?*?1024?*?1024）;
	}

	@SuppressWarnings（“unchecked“）
	public?FileUpload（HttpServletRequest?request?long?maxSize）?{
		if（maxSize<0||request==null）{
			throw?new?RuntimeException（“參數不合法!“）;
		}
		map?=?new?HashMap（）;
		DiskFileItemFactory?factory?=?new?DiskFileItemFactory（）;
		ServletFileUpload?upload?=?new?ServletFileUpload（factory）;
		upload.setFileSizeMax（maxSize）;
		try?{
			List?filelist?=?upload.parseRequest（request）;
			Iterator?itor?=?filelist.iterator（）;
			FileItem?item?=?null;
			while（itor.hasNext（））{
				item?=?itor.next（）;
				map.put（item.getFieldName（）?item）;
			}
		}?catch?（FileUploadException?e）?{
			e.printStackTrace（）;
		}
	}
	
	/**
	?*?根據表單控件的name值獲取對應的value
	?*?@param?fieldName
	?*?@return?object
	?*/
	public?object?getValue（String?fieldName）{
		FileItem?item?=?map.get（fieldName）;
		if（item!=null）{
			if（item.isFormField（））{
				return?item.getString（）;
			}else{
				return?item.get（）;
			}
		}else{
			return?null;
		}
	}
	
	/**
	?*?根據表單控件的name值獲取對應的FileItem
	?*?@param?fieldName
	?*?@return?FileItem
	?*/
	public?FileItem?getFileItem（String?fieldName）{
		return?map.get（fieldName）;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-06-03?23:28??ems\
?????目錄???????????0??2014-05-16?09:54??ems\ems\
?????文件????????5942??2014-06-03?23:27??ems\ems.sql
?????文件?????????489??2014-05-16?20:41??ems\ems\.classpath
?????文件????????1036??2014-05-24?00:27??ems\ems\.project
?????目錄???????????0??2014-05-16?10:03??ems\ems\.settings\
?????文件?????????500??2014-05-07?18:31??ems\ems\.settings\.jsdtscope
?????文件?????????236??2014-05-22?10:24??ems\ems\.settings\org.eclipse.core.resources.prefs
?????文件?????????364??2014-05-07?18:31??ems\ems\.settings\org.eclipse.jdt.core.prefs
?????文件?????????458??2014-05-07?18:31??ems\ems\.settings\org.eclipse.wst.common.component
?????文件?????????305??2014-05-07?18:31??ems\ems\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2014-05-07?18:31??ems\ems\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2014-05-07?18:31??ems\ems\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2014-05-10?08:30??ems\ems\build\
?????目錄???????????0??2014-05-17?21:46??ems\ems\src\
?????目錄???????????0??2014-05-19?12:19??ems\ems\src\ems\
?????目錄???????????0??2014-05-19?17:56??ems\ems\src\ems\comm\
?????文件????????2005??2014-05-19?18:19??ems\ems\src\ems\comm\FileUpload.java
?????文件????????1665??2014-05-21?19:53??ems\ems\src\ems\comm\UrlToLogInfo.java
?????目錄???????????0??2014-05-18?22:00??ems\ems\src\ems\config\
?????文件????????3851??2014-05-24?00:00??ems\ems\src\ems\config\EmsConfig.java
?????目錄???????????0??2014-05-19?11:07??ems\ems\src\ems\controller\
?????文件????????7162??2014-05-23?20:50??ems\ems\src\ems\controller\DeviceController.java
?????文件????????1183??2014-05-23?20:37??ems\ems\src\ems\controller\LogController.java
?????文件????????2516??2014-05-23?20:50??ems\ems\src\ems\controller\MaintainController.java
?????文件????????1909??2014-05-18?23:18??ems\ems\src\ems\controller\StaticResourceController.java
?????文件????????6071??2014-05-23?20:50??ems\ems\src\ems\controller\UserController.java
?????目錄???????????0??2014-05-17?21:47??ems\ems\src\ems\filter\
?????文件????????2889??2014-05-23?23:49??ems\ems\src\ems\filter\EmsFilter.java
?????目錄???????????0??2014-05-17?21:06??ems\ems\src\ems\handle\
?????文件????????1245??2014-05-17?21:34??ems\ems\src\ems\handle\EmsHandler.java
............此處省略195個文件信息