以下程序，运行到uploadimage.jsp 的第十四行（mySmartUpload.upload(); ） 就卡住了，过了两分钟后显示： java.lang.IllegalArgumentException: Files' name is invalid or does not exist (1205).
页面 upload.htm --------------------------------------------
<html>
<head>
<title>请选择上传的图片</title>
</head>
<body>
<table border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td height="45" align="center" valign="middle"><form action="uploadimage.jsp" method="post" enctype="multipart/form-data" name="form1">
<input type="file" name="file">
<input type="submit" name="Submit" value="上传">
</form></td>
</tr>
</table>
</body>
</html>
代码 uploadimage.jsp ------------------------------------------------------------------
<%@ page contentType="text/html;charset=gb2312" language="java" import="java.io.*,java.awt.Image,java.awt.image.*,com.sun.image.codec.jpeg.*,java.sql.*,com.jspsmart.upload.*,java.util.*"%>
<%
SmartUpload mySmartUpload =new SmartUpload();
long file_size_max=4000000;
String fileName2="",ext="",testvar="";
String url="upload/"; //应保证在根目录中有此目录的存在（也就是说需要自己建立相应的文件夹）
//初始化
mySmartUpload.initialize(pageContext);
//只允许上载此类文件
try {
mySmartUpload.setAllowedFilesList("jpg,gif");//此处的文件格式可以根据需要自己修改
//上载文件
mySmartUpload.upload(); //就在这里卡死
} catch (Exception e){
%>
<SCRIPT language=javascript>
alert("只允许上传.jpg和.gif类型图片文件");
window.location='upload.htm';
</script>
<%
}
try{
com.jspsmart.upload.File myFile = mySmartUpload.getFiles().getFile(0);
if (myFile.isMissing()){%>
<SCRIPT language=javascript>
alert("请先选择要上传的文件");
window.location='upload.htm';
</script>
<%}
else{
//String myFileName=myFile.getFileName(); //取得上载的文件的文件名
ext= myFile.getFileExt(); //取得后缀名
int file_size=myFile.getSize(); //取得文件的大小
String saveurl="";
if(file_size<file_size_max){
//更改文件名，取得当前上传时间的毫秒数值
Calendar calendar = Calendar.getInstance();
String filename = String.valueOf(calendar.getTimeInMillis());
saveurl=application.getRealPath("/")+url;
saveurl+=filename+"."+ext; //保存路径
myFile.saveAs(saveurl,SmartUpload.SAVE_PHYSICAL);
out.print(saveurl);
String ret = "parent.HtmlEdit.focus();";
ret += "var range = parent.HtmlEdit.document.selection.createRange();" ;
ret += "range.pasteHTML('<img src=\"" + request.getContextPath() + "/upload/" + filename + "." + ext + "\">');" ;
ret += "alert('上传成功！');";
ret += "window.location='upload.htm';";
out.print("<script language=javascript>" + ret + "</script>");
}
}
}catch (Exception e){
out.print(e.toString());
}
%>
------解决方案--------------------
这是我以前写的~~
<%@page import="com.jspsmart.upload.SmartUpload" pageEncoding="UTF-8"%>
<%@page import="com.jspsmart.upload.File"%>
<%@page import="com.jspsmart.upload.Request"%>
<%
//创建smartUpload对象
SmartUpload smartUpload = new SmartUpload();
smartUpload.initialize(pageContext); //初始化
smartUpload.setCharset("UTF-8");
try{
//定义文件允许上传类型
smartUpload.setAllowedFilesList("jpg,doc");
//定义文件不允许上传类型
smartUpload.setDeniedFilesList("txt");
smartUpload.setMaxFileSize(200000);
//开始上传
smartUpload.upload();
//获取request对象
Request req = smartUpload.getRequest();
String name = req.getParameter("param");
out.print(name);
//得到单个文件上传信息
File file = smartUpload.getFiles().getFile(0);
if(!file.isMissing()){
//设置文件在服务器重保存的位置
String filePath = "/file/";
filePath += file.getFileName();
file.setCharset("UTF-8");
file.saveAs(filePath,SmartUpload.SAVE_VIRTUAL);
//response.sendRedirect("index.jsp");
}
}catch(Exception e){
e.printStackTrace();
}
%>