struts2　如何　　上传文件_struts2漏洞怎么上传文件-优快云博客

本文链接：https://blog.youkuaiyun.com/wxl1990721/article/details/9093403

本文详细介绍了使用Struts框架实现文件上传的过程，包括jsp页面配置、struts.xml配置、后台action处理以及文件保存逻辑。通过实例演示，帮助开发者理解并掌握Struts框架下文件上传的基本操作。

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ｊｓｐ页面：

<s:form action="up" method="post" enctype="multipart/form-data" theme="simple" namespace="" name="form1">
<s:file name="upload" label="行业标识1"></s:file>
<s:submit value="确认添加"></s:submit>
</s:form>

ｓｔｒｕｔｓ．ｘｍｌ配置

<constant name="struts.multipart.maxSize" value="1024102400" />
<constant name="struts.multipart.saveDir" value="d://test"></constant>

<package name="upload" extends="struts-default" namespace="">
  <action name="up" class="actions.UploadImageAction">
   <interceptor-ref name="defaultStack"></interceptor-ref>
   <result name="success">/index.jsp</result>
  </action>
</package>

后台ａｃｔｉｏｎ

package actions;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class UploadImageAction extends ActionSupport{
private File upload;
private String uploadContentType;
private String uploadFileName;
public File getUpload() {
  return upload;
}
public void setUpload(File upload) {
  this.upload = upload;
}
public String getUploadContentType() {
  return uploadContentType;
}
public void setUploadContentType(String uploadContentType) {
  this.uploadContentType = uploadContentType;
}
public String getUploadFileName() {
  return uploadFileName;
}
public void setUploadFileName(String uploadFileName) {
  this.uploadFileName = uploadFileName;
}

public String execute() throws Exception{//上传附件
  String fileName="";
  String fileAlias="";
  if (getUploadFileName()!=null) {
   fileName=getUploadFileName();
   fileAlias=getUploadFileName().substring(getUploadFileName().lastIndexOf('.'));
   FileInputStream fis=new FileInputStream(getUpload());
   byte[] b=new byte[1024];
   int len=0;
   String savepath=ServletActionContext.getServletContext().getRealPath("/upload");
   FileOutputStream fos=new FileOutputStream(savepath+"\\"+fileName);
   while ((len=fis.read(b))>0) {
    fos.write(b,0,len);
   }
  }
  return SUCCESS;
}
}