struts2——文件上传！！！

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import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.InputStream;import java.io.OutputStream;import com.opensymphony.xwork2.ActionSupport;public class Test extends ActionSupport {private File upload;private String uploadFileName;private String uploadContentType;public File getUpload() {return upload;}public void setUpload(File upload) {this.upload = upload;}public String getUploadFileName() {return uploadFileName;}public void setUploadFileName(String uploadFileName) {this.uploadFileName = uploadFileName;}public String getUploadContentType() {return uploadContentType;}public void setUploadContentType(String uploadContentType) {this.uploadContentType = uploadContentType;}public String execute() throws Exception {InputStream is = new FileInputStream(upload);OutputStream os = new FileOutputStream("e:/" + uploadFileName);byte[] buffer = new byte[1024];while (is.read(buffer) != -1) {os.write(buffer);}is.close();os.flush();os.close();return "success";}}