uploadbean.java

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package com.dao;
import java.io.*;
import java.util.Calendar;
import java.util.Map;
import java.sql.Date;
import java.util.HashMap;

import org.apache.struts.upload.FormFile;

import com.form.HonourForm;
import com.form.InstructorForm;
import com.form.ProductForm;
import org.springframework.web.multipart.MaxUploadSizeExceededException;

public class UploadBean {
	public String toChinese(String s) {
        String result = null;
        try {
            result = new String(s.trim().getBytes("ISO8859_1"), "GB2312");
        } catch (UnsupportedEncodingException ex) {
            System.out.println("字符转码错误！！！");
            ex.printStackTrace();
        }
        return result;
    }
	public String getFileName(Object object,String formname){
//		取欲上传的文件
		FormFile file = null;
		if (formname == "ProductForm"){
			ProductForm form = (ProductForm)object;
	        file = form.getImageFile();   
		}
		if(formname == "honourForm"){
			HonourForm form = (HonourForm)object;
			file = form.getImageFile();
		}
		if(formname == "instructorForm"){
			InstructorForm form = (InstructorForm)object;
			file = form.getImageFile();
		}
		    
//		取系统时间
        Calendar now = Calendar.getInstance();
        int year = now.get(Calendar.YEAR);
        int month = now.get(Calendar.MONTH) + 1;
        int day = now.get(Calendar.DAY_OF_MONTH);
        int hour = now.get(Calendar.HOUR_OF_DAY);
        int minute = now.get(Calendar.MINUTE);
        int second = now.get(Calendar.SECOND);
        String date = year + "";
        if (month < 10) {
            date = date + "0" + month;
        } else {
            date = date + month;
        }
        if (day < 10) {
            date = date + "0" + day;
        } else {
            date = date + day;
        }
        if (hour < 10) {
            date = date + "0" + hour;
        } else {
            date = date + hour;
        }
        if (minute < 10) {
            date = date + "0" + minute;
        } else {
            date = date + minute;
        }
        if (second < 10) {
            date = date + "0" + second;
        } else {
            date = date + second;
        }
        //取欲上传的文件的名字和长度
        String fname = file.getFileName();
        System.out.println("----------- 您上传的图片名称是："+fname);
        //int size = file.getFileSize();
        //将上传时间加入文件名
        int i = fname.indexOf(".");
        String name = fname.substring(0, i) + "[" + date + "]";
        String type = fname.substring(i + 1);
        fname = name + "." + type;        
        System.out.println("----------- 您上传的图片名称是：" + fname);        
        return fname;
	}
    //上传文件
    public boolean upload(String dir, Object object,String formName) throws Exception { 
    	FormFile file = null;
    	String fname = null;
    	if (formName =="productForm")  {
    		ProductForm form = (ProductForm)object;
    		file = form.getImageFile();
    	    if (file.getFileSize()>100000){
    			 
    			 return false;
    		 }
    		fname = this.getFileName(form,"ProductForm");//上传的文件
    		form.setImagepath(fname);    		
    	}
    	if(formName == "honourForm"){
    		HonourForm form = (HonourForm)object;
    		file = form.getImageFile();	
            if (file.getFileSize()>100000){
    			 
    			 return false;
    		   }
    		fname = this.getFileName(form,"honourForm");//上传的文件
    		form.setImagepath(fname); 
    	}
    	if(formName == "instructorForm"){
    		InstructorForm form = (InstructorForm)object;
    		file = form.getImageFile();
    		if (file.getFileSize()>100000){
   			 
   			 return false;
   		   }
    		fname = this.getFileName(form, "instructorForm");
    		form.setImagepath(fname);
    	}
        
        
        
        //form.setMerchandisePhotoSize(size);
        //创建读取用户上传文件的对象
        InputStream streamIn = file.getInputStream();
        BufferedInputStream bufferStreamIn = new BufferedInputStream(streamIn);
        //创建把上传数据写到目标文件的对象
        File uploadFile = new File(dir);
        if (!uploadFile.exists() || uploadFile == null){
        	uploadFile.mkdirs();
        }
        OutputStream streamOut = new FileOutputStream(uploadFile.getPath() + "/" + fname);
        System.out.println("上传目录：" + uploadFile.getPath() + "/" + fname);
        BufferedOutputStream bufferStreamOut = new BufferedOutputStream(streamOut);
        int bytesRead = 0;
        byte[] buffer = new byte[8192];
        while ((bytesRead = bufferStreamIn.read(buffer, 0, 8192)) != -1) {
            bufferStreamOut.write(buffer, 0, bytesRead);
        }
        bufferStreamOut.flush();
        bufferStreamOut.close();        
        bufferStreamIn.close();
        file.destroy();
		return true;
    }

    //取系统日期
    public String getDateWithString() {
        Calendar now = Calendar.getInstance();
        int month = now.get(Calendar.MONTH) + 1;
        int day = now.get(Calendar.DAY_OF_MONTH);
        int year = now.get(Calendar.YEAR);
        String result = year + " 年 " + month + " 月 " + day + " 日 ";
        return result;
    }

    //取系统日期
    public String getDateWithYMD() {
        Calendar now = Calendar.getInstance();
        int month = now.get(Calendar.MONTH) + 1;
        int day = now.get(Calendar.DAY_OF_MONTH);
        int year = now.get(Calendar.YEAR);
        String date = year + "-" + month + "-" + day;
        return date;
    }

    //取系统日期
    public String getDateWithNum() {
        Calendar now = Calendar.getInstance();
        int year = now.get(Calendar.YEAR);
        int month = now.get(Calendar.MONTH) + 1;
        int day = now.get(Calendar.DAY_OF_MONTH);
        String smonth = "" + month;
        String sday = "" + day;
        if (month < 10) {
            smonth = "0" + month;
        }
        if (day < 10) {
            sday = "0" + day;
        }
        String date = year + smonth + sday;
        return date;
    }

    //取系统日期
    public Date getDate() {
        Calendar now = Calendar.getInstance();
        int month = now.get(Calendar.MONTH) + 1;
        int day = now.get(Calendar.DAY_OF_MONTH);
        int year = now.get(Calendar.YEAR);
        String date = year + "-" + month + "-" + day;
        Date result = Date.valueOf(date);
        return result;
    }
}