strut2进行文件上传
SPARK 2009-09-15
文件上传：
创建步骤：
1.创建jsp文件FileUpload.jsp文件
2.创建action类并继承ActionSupport类
3.对配置文件信息进行修改
实例
创建jsp文件FileUpload.jsp文件
<%@pagelanguage="java"contentType="text/html;charset=GB2312"%>
<%@taglibprefix="s"uri="/struts-tags"%>
<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01Transitional//EN""http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<h1>文件上传</h1>
<s:formaction="fileUpload"method="post"enctype="multipart/form-data">
选择要上传的图片：
<s:filename="upload"></s:file>
<br>
<s:submitvalue="上传"></s:submit>
</s:form>
</html>
b.创建action类并继承ActionSupport类
packageact;
importcom.opensymphony.xwork2.ActionSupport;
importcom.opensymphony.xwork2.ActionContext;
importjava.sql.*;
importjava.text.SimpleDateFormat;
importjavax.sql.*;
importjavax.swing.JOptionPane;
importjavax.naming.*;
importjava.util.*;
importjava.util.regex.Pattern;
importorg.apache.struts2.ServletActionContext;
importjava.util.Date;
importjava.io.*;
/*
*@authorqihuasun
*FileUploadAction类实现文件上传
*/
publicclassFileUploadActionextendsActionSupport
{
privateFileupload;//上传的文件
privateStringfileName;
privateStringcontentType;
publicFilegetUpload()
{
returnupload;
}
publicvoidsetUpload(Fileupload)
{
this.upload=upload;
}
publicStringgetFileName()
{
returnfileName;
}
publicvoidsetFileName(StringfileName)
{
this.fileName=fileName;
}
publicStringgetContentType()
{
returncontentType;
}
publicvoidsetContentType(StringcontentType)
{
this.contentType=contentType;
}
publicStringUpload()throwsException
{
Stringstr=this.SUCCESS;
//获取文件名
Stringfile=upload.getName();
intstart=file.lastIndexOf("");
this.fileName=file.substring(start+1)
java.io.FileInputStreamis=newjava.io.FileInputStream(upload);
Stringpath="D:\\upload";
//注：此处还可调用ServletActionContext.getServletContext().getRealPath(“”)设置文件的输入路径。
//指明上传的路径
java.io.FileOutputStreamout=newjava.io.FileOutputStream(path+this.fileName);
bytebu[]=newbyte[8888];
intcount=0;
count=is.read();
while(count>0)
{
out.write(bu,0,count);
str=this.SUCCESS;
}
out.close();
is.close();
returnstr;
}
publicStringexecute()throwsException
{
returnUpload();
}
}
对struts。Xml配置文件信息进行修改
<%@pagelanguage="java"contentType="text/html;charset=GB2312"%>
<%@taglibprefix="s"uri="/struts-tags"%>
<!DOCTYPEHTMLPUBLIC"-//W3C//DTDHTML4.01Transitional//EN""http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<h1>文件上传</h1>
<s:formaction="fileUpload"method="post"enctype="multipart/form-data">
选择要上传的图片：
<s:filename="upload"></s:file>
<br>
<s:submitvalue="上传"></s:submit>
</s:form>
</html>
