Struts2文件上传示例

package com.action; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import org.apache.struts2.ServletActionContext; import com.opensymphony.xwork2.ActionSupport; public class FileAction extends ActionSupport { private File myfile; private String myfileContentType; private String myfileFileName; public File getMyfile() { return myfile; } public void setMyfile(File myfile) { this.myfile = myfile; } public String getMyfileContentType() { return myfileContentType; } public void setMyfileContentType(String myfileContentType) { this.myfileContentType = myfileContentType; } public String getMyfileFileName() { return myfileFileName; } public void setMyfileFileName(String myfileFileName) { this.myfileFileName = myfileFileName; } /** * 实现上传的功能 */ public String execute() throws Exception { String filePath = ServletActionContext.getServletContext().getRealPath( "myfiles") + "\\" + getMyfileFileName();// 注意：Windows操作系统中，文件路径是/反斜杠区分的 // System.out.println(filePath); // 文本输出流 FileOutputStream fos = new FileOutputStream(filePath); // 文件上传流 FileInputStream fis = new FileInputStream(getMyfile()); byte b[] = new byte[204800]; int len = 0; // 通过循环把文件二进制数据写入到服务器 while ((len = fis.read(b)) != -1) { fos.write(b, 0, len); } return this.SUCCESS; } }