uploadimage.jsp

jsp实现的网上商城系统

<%@ 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.*"%>
<%
String idStr= request.getParameter("id");
System.out.println(idStr);
//int id = Integer.parseInt(request.getParameter("id"));
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");//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='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='ProductUpload.jsp?id=<%=1%>';
</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(1); 
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='ProductUpload.jsp?id=" + 1 + "';";
out.print("<script language=javascript>" + ret + "</script>");

}
}
}catch (Exception e){ 
out.print(e.toString()); 
}

//http://wtxawr.javaeye.com/blog/309221
%>