smartUpload上传下载文件
上传文件
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>文件上传</title> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="this is my page"> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <!--<link rel="stylesheet" type="text/css" href="./styles.css">--> </head> <body> <p> </p> <p align="center"> 上传文件选择 </p> <form action="jsp/do_upload.jsp" method="post" enctype="multipart/form-data"> <input type="hidden" name="test" value="good"> <table width="75%" border="1" align="center"> <tr> <td> <div align="center"> 1. <input type="file" name="file1" size="30"> </div> </td> </tr> <tr> <td> <div align="center"> 2. <input type="file" name="file2" size="30"> </div> </td> </tr> <tr> <td> <div align="center"> 3. <input type="file" name="file3" size="30"> </div> </td> </tr> <tr> <td> <div align="center"> 4. <input type="file" name="file4" size="30"> </div> </td> </tr> <tr> <td> <div align="center"> <input type="submit" name="Submit" value="上传它"> </div> </td> </tr> </table> </form> </body> </html>
<%@ page language="java" import="com.jspsmart.upload.*"
pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>文件上传处理页面</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
<body>
<%
request.setCharacterEncoding("UTF-8");
//新建一个SmartUpload对象
SmartUpload su = new SmartUpload();
//上传初始化
su.initialize(pageContext);
//设定上传限制
//1.限制每个上传文件的最大长度.
//su.setMaxFileSize(10000);
//2.限制总上传数据的长度
//su.setTotalMaxFileSize(20000);
//3.设定允许上传的文件(通过扩展名限制)，仅允许doc、txt文件.
//su.setAllowedFilesList("doc,txt");
//4.设定禁止上传的文件(通过扩展名限制)，禁止上传带有exe、bat、jsp、htm、html扩展名的文件和没有扩展名的文件
//su.setDeniedFilesList("ext,bat,jsp,htm,html,,");
//上传文件
su.upload();
//将上传文件全部保存到指定目录
int count = su.save("/upload");
out.println(count + "个文件上传成功!<br>");
//利用Request对象获取参数之值
out.println("test=" + su.getRequest().getParameter("test")
+ "<br><br>");
//逐一提取上传文件信息，同时可保存文件。
for (int i = 0; i < su.getFiles().getCount(); i++) {
File file = su.getFiles().getFile(i);
//若文件不存在则继续
if (file.isMissing())
continue;
//显示当前文件信息
out.println("<table border=1>");
out.println("<tr><td>表单项名(FieldName)</td><td>"
+ file.getFieldName() + "</td></tr>");
out.println("<tr><td>文件长度(Size)</td><td>" + file.getSize()
+ "</td></tr>");
out.println("<tr><td>文件名(FileName)</td><td>"
+ file.getFileName() + "</td></tr>");
out.println("<tr><td>文件扩展名(FieldExt)</td><td>"
+ file.getFileExt() + "</td></tr>");
out.println("<tr><td>文件全名(FieldPathName)</td><td>"
+ file.getFilePathName() + "</td></tr>");
out.println("</table><br>");
//将文件另存
//file.saveAs("/upload"+file.getFileName());
//另存到以WEB应用程序的根目录为文件根目录的目录下
//file.saveAs("/upload"+file.getFileName(),su.SAVE_VIRTUAL);
//另存到操作系统的跟目录为文件根目录的目录下
//file.saveAs("c:\\temp\\"+file.getFileName(),su.SAVE_PHYSICAL);
}
%>
<br>
</body>
</html>
下载文件
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>下载</title> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="this is my page"> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <!--<link rel="stylesheet" type="text/css" href="./styles.css">--> </head> <body> <a href="jsp/do_download.jsp">点击下载</a> </body> </html>
<%@ page language="java" import="com.jspsmart.upload.*"
pageEncoding="UTF-8"%>
<%
//新建一个SmartUpload对象
SmartUpload su=new SmartUpload();
//初始化
su.initialize(pageContext);
//设定contentDisposition为null以禁止浏览器自动打开文件,
//保证点击连接后是下载文件。若不设定，则下载的文件扩展名为doc时，
//浏览器将自动用word打开。扩展名为pdf时，浏览器将用acrobat打开.
su.setContentDisposition(null);
//下载文件
su.downloadFile("/upload/07.txt");
response.getOutputStream().close();
%>