文件上传_html/css

 
单文件上传
 
 
文件重命名
 
 
自动生成文件名
 
 
多文件上传
 
 

单文件上传：

 SmartUpload smart = new SmartUpload();　　smart.initialize(this.getServletConfig(),request,response);　　try {	smart.upload();	smart.save("images");　　　　} catch (SmartUploadException e) {	　　// TODO Auto-generated catch block	　　e.printStackTrace();	}

SmartUpload smart = new SmartUpload();	smart.initialize(this.getServletConfig(),request,response);	try {	smart.upload();	String imgname = smart.getRequest().getParameter("imgname");	String absPath = this.getServletContext().getRealPath("/images");//获取文件的保存路径	System.out.println(absPath);	String ext = smart.getFiles().getFile(0).getFileExt();//获取文件的后缀名	String fileName = absPath+File.separator+imgname+"."+ext;//生成文件的保存名	System.out.println("File name="+fileName);	smart.getFiles().getFile(0).saveAs(fileName);	} catch (SmartUploadException e) {	// TODO Auto-generated catch block	e.printStackTrace();	}

自动生成文件名：

SmartUpload smart = new SmartUpload();	smart.initialize(this.getServletConfig(),request,response);	String disFile = "";	try {	smart.upload();	//String imgname = smart.getRequest().getParameter("imgname");	IPTimeStamp ipts = new IPTimeStamp();	String imgname = ipts.getIPTimestamp();	String absPath = this.getServletContext().getRealPath("/images");	System.out.println(absPath);	String ext = smart.getFiles().getFile(0).getFileExt();	String fileName = absPath+File.separator+imgname+"."+ext;	System.out.println("File name="+fileName);	smart.getFiles().getFile(0).saveAs(fileName);	disFile = imgname+"."+ext;	} catch (SmartUploadException e) {	// TODO Auto-generated catch block	e.printStackTrace();	}

package cn.edu.hpu.util;import java.text.SimpleDateFormat;import java.util.Date;import java.util.Random;public class IPTimeStamp {	private String ip;	public IPTimeStamp()	{	}	public IPTimeStamp(String ip)	{	this.ip = ip;	}	public String getIPTimestamp()	{	StringBuffer buffer = new StringBuffer();	if(ip != null)	{	String [] digits = ip.split("\\.");	for(String s : digits)	{	buffer.append(s);	}	}	//时间	SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmssSSS");	String time = sdf.format(new Date());	buffer.append(time);	Random random = new Random();	for(int i=0; i<4; i++)	{	buffer.append(random.nextInt(10));	}	return buffer.toString();	}	public static void main(String[] args) {	IPTimeStamp ipts = new IPTimeStamp("192.168.19.121");	System.out.println(ipts.getIPTimestamp());	}}

多文件上传：

SmartUpload smart = new SmartUpload();	smart.initialize(this.getServletConfig(),request,response);	try {	smart.upload();	for(int i=0; i