package?com.zhangke.action;

import?java.io.File;
import?java.io.FileInputStream;
import?java.io.FileOutputStream;
import?java.io.PrintWriter;
import?java.text.DecimalFormat;

import?org.apache.struts2.ServletActionContext;

import?com.opensymphony.xwork2.ActionSupport;

/***
?*?文件上傳例子???resource?code?encoding?is?utf-8
?*?
主要為了android客戶端實現功能???代碼寫的亂???請大家見諒
?*?@author?spring?sky
?*?Email:vipa1888@163.com
?*?QQ:84095105
?*
?*/
public?class?FileUpload?extends?ActionSupport?{

	private?String?savePath;
	/**這里的名字和html的名字必須對稱*/
	private?File?img;
	/**要上傳的文件類型*/
	private?String?imgContentType;
	/**文件的名稱*/
	private?String?imgFileName;
	/**
	?*?指定的上傳類型???zip?和???圖片格式的文件
	?*/
	private?static?final?String[]?types?=?{?“application/x-zip-compressed“
			“ZIP“?“image/pjpeg“?};

	/***
	?*?判斷文件的類型是否為指定的文件類型
	?*?@return
	?*/
	public?boolean?filterType（）?{
		boolean?isFileType?=?false;
		String?fileType?=?getImgContentType（）;
		System.out.println（fileType）;
		for?（String?type?:?types）?{
			if?（type.equals（fileType））?{
				isFileType?=?true;
				break;
			}
		}
		return?isFileType;
	}

	public?String?getSavePath（）?{
		return?ServletActionContext.getRequest（）.getRealPath（savePath）;
	}

	public?File?getImg（）?{
		return?img;
	}

	public?String?getImgFileName（）?{
		return?imgFileName;
	}

	public?void?setSavePath（String?value）?{
		this.savePath?=?value;
	}

	public?void?setImgFileName（String?imgFileName）?{
		this.imgFileName?=?imgFileName;
	}

	public?void?setImg（File?img）?{
		this.img?=?img;
	}

	public?String?getImgContentType（）?{
		return?imgContentType;
	}

	public?void?setImgContentType（String?imgContentType）?{
		this.imgContentType?=?imgContentType;
	}

	/**
	?*?取得文件夾大小
	?*?
	?*?@param?f
	?*?@return
	?*?@throws?Exception
	?*/
	public?long?getFileSize（File?f）?throws?Exception?{
		return?f.length（）;
	}

	public?String?FormetFileSize（long?fileS）?{//?轉換文件大小
		DecimalFormat?df?=?new?DecimalFormat（“#.00“）;
		String?fileSizeString?=?““;
		if?（fileS?			fileSizeString?=?df.format（（double）?fileS）?+?“B“;
		}?else?if?（fileS?			fileSizeString?=?df.format（（double）?fileS?/?1024）?+?“K“;
		}?else?if?（fileS?			fileSizeString?=?df.format（（double）?fileS?/?1048576）?+?“M“;
		}?else?{
			fileSizeString?=?df.format（（double）?fileS?/?1073741824）?+?“G“;
		}
		return?fileSizeString;
	}

	/**
	?*?上傳文件操作
	?*?
	?*?@return
	?*?@throws?Exception
	?*/
	public?String?upload（）?throws?Exception?{
		String?result?=?“unknow?error“;
		PrintWriter?out?=?ServletActionContext.getResponse（）.getWriter（）;
		if?（!filterType（））?{
			System.out.println（“文件類型不正確“）;
			ServletActionContext.getRequest（）.setAttribute（“typeError“
					“您要上傳的文件類型不正確“）;

			result?=?“error:“?+?getImgContentType（）?+?“?type?not?upload?file?type“;
		}?else?{
			System.out.println（“當前文件大小為：“
					+?FormetFileSize（getFileSize（getImg（））））;
			FileOutputStream?fos?=?null;

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

?????文件???????2408??2012-05-12?17:05??fileUpload\.classpath

?????文件????????303??2012-05-12?16:20??fileUpload\.mymetadata

?????文件????????240??2011-05-31?14:12??fileUpload\.mystrutsdata

?????文件???????1703??2012-05-12?16:20??fileUpload\.project

?????文件????????500??2012-05-12?16:20??fileUpload\.settings\.jsdtscope

?????文件?????????88??2012-05-12?16:45??fileUpload\.settings\org.eclipse.core.resources.prefs

?????文件????????395??2012-05-12?16:20??fileUpload\.settings\org.eclipse.jdt.core.prefs

?????文件????????468??2012-05-12?16:20??fileUpload\.settings\org.eclipse.wst.common.component

?????文件????????252??2012-05-12?16:20??fileUpload\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2012-05-12?16:20??fileUpload\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2012-05-12?16:20??fileUpload\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件????????543??2011-06-17?11:46??fileUpload\src\.struts.mex

?????文件???????3844??2012-05-12?17:16??fileUpload\src\com\zhangke\action\FileUpload.java

?????文件????????202??2011-05-31?18:02??fileUpload\src\globalMessages_zh_CN.properties

?????文件???????1154??2012-05-12?16:34??fileUpload\src\struts.xml

?????文件???????1111??2012-05-12?17:15??fileUpload\WebRoot\index.jsp

?????文件?????????36??2011-05-31?14:06??fileUpload\WebRoot\meta-INF\MANIFEST.MF

?????文件????????543??2011-06-17?11:46??fileUpload\WebRoot\WEB-INF\classes\.struts.mex

?????文件???????4479??2012-05-12?17:16??fileUpload\WebRoot\WEB-INF\classes\com\zhangke\action\FileUpload.class

?????文件????????202??2011-05-31?18:02??fileUpload\WebRoot\WEB-INF\classes\globalMessages_zh_CN.properties

?????文件???????1154??2012-05-12?16:34??fileUpload\WebRoot\WEB-INF\classes\struts.xml

?????文件?????358273??2012-05-12?16:20??fileUpload\WebRoot\WEB-INF\lib\antlr-2.7.2.jar

?????文件???????4467??2012-05-12?16:20??fileUpload\WebRoot\WEB-INF\lib\aopalliance-1.0.jar

?????文件??????37854??2012-05-12?16:20??fileUpload\WebRoot\WEB-INF\lib\classworlds-1.1.jar

?????文件?????188671??2012-05-12?16:20??fileUpload\WebRoot\WEB-INF\lib\commons-beanutils-1.7.0.jar

?????文件??????91699??2012-05-12?16:20??fileUpload\WebRoot\WEB-INF\lib\commons-chain-1.2.jar

?????文件?????571259??2012-05-12?16:20??fileUpload\WebRoot\WEB-INF\lib\commons-collections-3.2.jar

?????文件?????148783??2012-05-12?16:20??fileUpload\WebRoot\WEB-INF\lib\commons-digester-2.0.jar

?????文件??????57779??2012-05-12?16:20??fileUpload\WebRoot\WEB-INF\lib\commons-fileupload-1.2.1.jar

?????文件??????87776??2012-05-12?16:20??fileUpload\WebRoot\WEB-INF\lib\commons-io-1.3.2.jar

............此處省略35個文件信息