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Upload.uploadFile(theFile, filePath)
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theFile£ºÀàÐÍÊÇFormFile
filePath£ºactionÖз¾¶»ñÈ¡·½·¨    this.getServlet().getServletContext().getRealPath("/")
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package common.com;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.commons.lang.RandomStringUtils;
import org.apache.struts.upload.FormFile;
/**
 * @author lsc
 * ÎļþÉÏ´«
 */
public class Upload {
 /**
  * ÎļþÉÏ´«
  * @param theFile£¨FormFile£©
  * @param filePath(actionÖз¾¶»ñÈ¡·½·¨£ºthis.getServlet().getServletContext().getRealPath("/") )
  * @return
  */
 public static String uploadFile(FormFile theFile , String filePath) {
  String fileName = theFile.getFileName();//È¡µÃÉÏ´«µÄMsdsÎļþÃû
  try{
         String hardPath = "";
            /*
             * È¡µ±Ç°ÏµÍ³Â·¾¶D:\Tomcat5\webapps\coka\ ÆäÖÐcoka Ϊµ±Ç°context
             */
            //String filePath = this.getServlet().getServletContext().getRealPath("/");
            File savePath = new File(filePath + "UploadFiles\\");
           if (!savePath.exists()) {
            savePath.mkdir();
           }
           if