struts构建文件上传(六)

　　这是action页面,

package tester.business.maitain;
import tclcc.tester.util.Selector;
import org.apache.struts.action.*;
import javax.servlet.http.*;
import java.util.*;
import org.apache.struts.upload.FormFile;
import java.io.*;
public class MaintainAction
extends Action {
public ActionForward execute(ActionMapping actionMapping,
ActionForm actionForm,
HttpServletRequest httpServletRequest,
HttpServletResponse httpServletResponse) {
/**@todo: complete the business logic here, this is just a skeleton.*/
MaintainForm maintainForm = (MaintainForm) actionForm;
TrainPlanDAO trainPDAO = new TrainPlanDAO();
Trainplan trainPlan = new Trainplan();
trainPlan = maintainForm.getTrainPlan();
FormFile theFile = null;
theFile = maintainForm.getTheFile1();
String p_accessory;
p_accessory = theFile.getFileName();
try {
InputStream stream = theFile.getInputStream(); //把文件读入
String filePath = httpServletRequest.getRealPath("/"); //取当前系统路径
ByteArrayOutputStream baos = new ByteArrayOutputStream();
OutputStream bos = new FileOutputStream(filePath + "sub" + "/" +
theFile.getFileName()); //建立一个上传文件的输出流
//System.out.println(filePath+"/"+file.getFileName());
int bytesRead = 0;
byte[] buffer = new byte[8192];
while ( (bytesRead = stream.read(buffer, 0, 8192)) != -1) {
bos.write(buffer, 0, bytesRead); //将文件写入服务器
}
bos.close();
stream.close();
} catch (Exception e) {
System.err.print(e);
}
try {
trainPlan.setP_accessory(p_accessory);
trainPDAO.addTrainPlan(trainPlan);//调用数据库插入方法
System.out.println("success");
} catch (Exception ex) {
}
httpServletRequest.setAttribute("trainPlain", trainPlan);
return (actionMapping.findForward("trainplanCreated"));
}
}