[转载]用JSP/Servlets实现Web方式的文件上传
用JSP/Servlets实现Web方式的文件上传
Use JSP and Servlet to Upload file to server is becoming a
common task now.
Below is a simple example use the jspsmart free component which
implements it.
You can download the free package from JSPSMART
1. Html File
action="uploadImage.jsp" ENCTYPE="multipart/form-data"
target=_self>
<!--
close this window
-->
2. JSP File
<%@ page language="java" import="com.jspsmart.upload.*,
java.sql.*,java.util.* "%>
<%-- use SmartUpload bean --%>
<%
//Initialization
mySmartUpload.init(config);
mySmartUpload.service(request,response);
//Set Restriction
mySmartUpload.setAllowedFilesList("gif,bmp,jpeg,jpg");
mySmartUpload.setTotalMaxFileSize(51200);
// Upload
try{
mySmartUpload.upload();
}
catch(Exception e){
out.println("Upload File Fail!
"JavaScript:window.history.back();">back
");
out.println("Notes: ");
out.println("
out.println("
out.println("
return;
}
//save file to disk
mySmartUpload.getFiles().getFile(0).saveAs("/" +
"FileName");
%>
3. Servlet File (you can do it yourself)
Use JSP and Servlet to Upload file to server is becoming a
common task now.
Below is a simple example use the jspsmart free component which
implements it.
You can download the free package from JSPSMART
1. Html File
action="uploadImage.jsp" ENCTYPE="multipart/form-data"
target=_self>
| 广告图片上载 | |
| 广告图片: | name="adsImage" size="20"> |
| | |
<!--
close this window
-->
2. JSP File
<%@ page language="java" import="com.jspsmart.upload.*,
java.sql.*,java.util.* "%>
<%-- use SmartUpload bean --%>
<%
//Initialization
mySmartUpload.init(config);
mySmartUpload.service(request,response);
//Set Restriction
mySmartUpload.setAllowedFilesList("gif,bmp,jpeg,jpg");
mySmartUpload.setTotalMaxFileSize(51200);
// Upload
try{
mySmartUpload.upload();
}
catch(Exception e){
out.println("Upload File Fail!
"JavaScript:window.history.back();">back
");
out.println("
out.println("
- You must set correct File
Name.
out.println("
- You file size must be less than
50K.
out.println("
- You can only upload .Gif .jpeg .jpg and
.bmp files.
return;
}
//save file to disk
mySmartUpload.getFiles().getFile(0).saveAs("/" +
"FileName");
%>
3. Servlet File (you can do it yourself)
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/374079/viewspace-131129/ ，如需转载，请注明出处，否则将追究法律责任。
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[转载]Servlet开发初步
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