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java和mysql日期技巧 | 我把lucene2.2的源代码整理到一个文件里了 ...

2008-05-23

使用FileUpload上传文件

<%

%>
<%@ page language="java" contentType="text/html;charset=UTF-8"%>
<%@ page import="com.qunar.dataservice.quartz.*,com.qunar.dataservice.common.*,com.qunar.dataservice.util.*,java.util.*,java.io.File,com.qunar.dataservice.extract.ImageTool"%>
<%@ page import="org.apache.commons.fileupload.*,org.apache.commons.fileupload.disk.*"%>
<html>
<head>
<title>保存上传文件</title>
</head>
<%
String hotelseq = null;
FileItemFactory factory = new DiskFileItemFactory();
FileUpload fu = new FileUpload(factory);
// 设置允许用户上传文件大小,单位:字节
fu.setSizeMax(100000000);
// maximum size that will be stored in memory?
// 设置最多只允许在内存中存储的数据,单位:字节
//fu.setSizeThreshold(4096);
// 设置一旦文件大小超过getSizeThreshold()的值时数据存放在硬盘的目录
//fu.setRepositoryPath("C:\\TEMP");
//开始读取上传信息
List fileItems = fu.parseRequest(request);
%>
<body bgcolor="#FFFFFF”text="#000000” leftmargin="0”topmargin="40”marginwidth="0” marginheight="0”>
<font size="6”color="blue”>文件列表：</font>
<center>
<table cellpadding=0 cellspacing=1 border=1 width="100%">
<tr>
<td bgcolor="#008080">文件名</td>
<td bgcolor="#008080">URL</td>
</tr>
<%
// 依次处理每个上传的文件
ArrayList<HashMap<String,String>> list = new ArrayList<HashMap<String,String>> ();
Iterator iter = fileItems.iterator();
while (iter.hasNext()) {
  FileItem item = (FileItem) iter.next();
  //忽略其他不是文件域的所有表单信息
  
  if(item.isFormField()){
  		if(item.getFieldName().equals("hotelseq")){
  			hotelseq = item.getString();
  			System.out.println(hotelseq);
  		}
  
  }
  if (!item.isFormField()) {
   String name = item.getName();
   long size = item.getSize();
   if((name==null||name.equals("")) && size==0)
   continue;

   //保存上传的文件到指定的目录
   int loc = name.lastIndexOf(".");
   long curTime = System.currentTimeMillis();
   name = "" + curTime +  name.substring(loc);
   File f = new File(DataServiceWebConfig.RootPath + "spider/upload" +name);
   item.write(f);

  } 
}
	
%>
</table>

<br/><br/>
<a href="index.htm">返回上传页面</a>
</center>
</body>
</html>

<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<script type="text/javascript">
    var i = 1;
	function add(){
		//var tb = document.getElementById("upt");
		var tb = document.getElementById("tbody");
		var tr = document.createElement("tr");
		var td = document.createElement("td");
		var inu = document.createElement("input");
		//inu.type="file";
		//inu.size="40";
		inu.setAttribute("type","file");
		inu.setAttribute("size","40");
		i++;
		//inu.name = "file"+i;
		inu.setAttribute("name","file"+i);
		//td.width="100%";
		//td.colspan = "2";
		td.setAttribute("width","100%");
		td.setAttribute("colspan","2");
		td.appendChild(inu);
		tr.appendChild(td);
		//tb.childNodes[0].appendChild(tr);
		//tb.body.appendChild(tr);
		//var tbody = document.getElementById("tbody");
		tb.appendChild(tr);
		
	}
</script>
</head>
<body bgcolor= "#FFFFFF" text= "#000000"  leftmargin= "0" topmargin= "40" marginwidth= "0"  marginheight= "0" >
<center>
<h1></h1>

<form name= "uploadform" method= "POST"  action= "save.jsp" ENCTYPE= "multipart/form-data" >
 <table id="upt" border= "1" width= "450" cellpadding= "4"  cellspacing= "2" bordercolor= "#9BD7FF" >
 <tbody id="tbody">
 <tr><td width= "100%" colspan= "2" >
 <input name= "file1" size= "40" type= "file" >
 </td></tr>
 <tbody>
 </table>
 <br/><br/>
  <table>
 <tr><td align= "center" ><input value= "add file"  type= "button" onclick= "javascript:add()" /></td></tr>
 </table>
 
 <table><tr><td>hotelseq:<input name="hotelseq" type="text"/> </td></tr></table>
 <table>
 <tr><td align= "center" ><input name= "upload"  type= "submit" value= "upload" /></td></tr>
 </table>
 
</form>
</center>
</body>
</html>