使用jspmartcom上传文件

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();
} catch (Exception e){
%>
<SCRIPT language=javascript>
alert("只允许上传.jpg和.gif类型图片文件");
window.location='index.jsp';
</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='index.jsp';
</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()); 
}
%> 

 

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP 'index.jsp' starting page</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">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  </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>

 

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