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JavaScript

DownLoadAction.java：源码内容
							package com.chinacannel.xlchemical.struts.Action;
import org.apache.struts.actions.DispatchAction;
import org.apache.struts.action.ActionForward;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import com.chinacannel.xlchemical.service.DownLoadService;
import com.chinacannel.xlchemical.struts.ActionForm.DownLoadActionForm;
import com.chinacannel.entity.DownLoad;
import java.util.Date;
import com.chinacannel.common.ImageUpload;
import com.chinacannel.entity.Image;
import com.chinacannel.common.PageInfo;
public class DownLoadAction extends DispatchAction {
    private DownLoadService ds = new DownLoadService();
    public ActionForward EditDownLoad(ActionMapping actionMapping,
                                      ActionForm actionForm,
                                      HttpServletRequest servletRequest,
                                      HttpServletResponse servletResponse) {
        DownLoadActionForm daf = (DownLoadActionForm) actionForm;
        DownLoad dl = new DownLoad();
        ImageUpload iu = new ImageUpload();
        boolean b = false;
        String Message = "";
        String Language = "CN";
        try {
            if (servletRequest.getSession().getAttribute("Language") != null) {
                Language = servletRequest.getSession().getAttribute("Language").
                           toString();
            }
            ds.beginTran();
            if (!daf.getId().equals(new Long(0))) {
                dl = ds.GetDownLoadById(daf.getId());
            }
            dl.setDow_Time(new Date());
            dl.setDow_Title(daf.getCnTitle());
            dl.setDow_Summary(daf.getSummary());
            dl.setDow_Order(daf.getOrder());
            dl.setDow_Language(Language);
            dl.setDow_Type(new Long(servletRequest.getParameter("Type")));
            if (daf.getDownLoadImg().getFileSize() > 0) {
                if (!daf.getImageID().equals(new Long(0))) {
                    iu.deleteImage(daf.getImageID().intValue());
                }
                Image fileUp = null;
                fileUp = iu.saveImage(daf.getImage(), servletRequest, false);
                dl.setFileUp(fileUp);
            }
            if (daf.getImage().getFileSize() > 0) {
                if (!daf.getFileID().equals(new Long(0))) {
                    iu.deleteImage(daf.getFileID().intValue());
                }
                Image imageUp = null;
                imageUp = iu.saveImage(daf.getDownLoadImg(), servletRequest, false);
                dl.setImageUp(imageUp);
                String s = daf.getImage().getFileName();
                String FileBackName = s.substring(s.lastIndexOf(".")+1);
                dl.setDow_FileSize(new Long(daf.getDownLoadImg().getFileSize()));
                dl.setDow_BackName(FileBackName);
            }
            if (!daf.getId().equals(new Long(0))) {
                b = ds.UpdateDownLoad(dl);
                Message = "更新下载文件成功";
            } else {
                b = ds.AddDownLoad(dl);
                Message = "添加下载文件成功";
            }
            ds.commit();
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            try {
                ds.rollback();
            } catch (Exception ex2) {
                log.error(ex2.getMessage(), ex2);
            }
        }
        if (b == false) {
            Message = "操作失败！请返回";
        }
        servletRequest.setAttribute
                ("Url", "Manage/DownLoad.do?todo=OpenDownLoadList&Type=" + daf.getType());
        servletRequest.setAttribute("Message", Message);
        return actionMapping.findForward("EditDownLoad");
    }
    public ActionForward OpenDownLoad(ActionMapping actionMapping,
                                      ActionForm actionForm,
                                      HttpServletRequest servletRequest,
                                      HttpServletResponse servletResponse) {
        Long dowID = new Long(0);
        DownLoad dl = new DownLoad();
        try {
            ds.beginTran();
            if (servletRequest.getParameter("dowID") != null) {
                dowID = new Long(servletRequest.getParameter("dowID"));
                dl = ds.GetDownLoadById(dowID);
            }
            ds.commit();
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            try {
                ds.rollback();
            } catch (Exception ex2) {
                log.error(ex2.getMessage(), ex2);
            }
        }
        servletRequest.setAttribute("MainTitle", "上传文件管理");
        servletRequest.setAttribute("ChildTitle", "编辑上传文件");
        servletRequest.setAttribute("dl", dl);
        return actionMapping.findForward("OpenDownLoad");
    }
    public ActionForward OpenDownLoadList(ActionMapping actionMapping,
                                          ActionForm actionForm,
                                          HttpServletRequest servletRequest,
                                          HttpServletResponse servletResponse) {
        int pageNo = 0;
        PageInfo pageInfo = null;
        String Language = "CN";
        Long type = new Long(0);
        try {
            pageNo = Integer.parseInt(servletRequest.getParameter("pageNo"));
        } catch (Exception ex1) {}
        try {
            if (servletRequest.getSession().getAttribute("Language") != null) {
                Language = servletRequest.getSession().getAttribute("Language").
                           toString();
            }
            if (servletRequest.getParameter("Type") != null) {
                type = new Long(servletRequest.getParameter("Type"));
            }
            ds.beginTran();
            pageInfo = ds.getPageInfo(type, Language, pageNo);
            ds.commit();
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            try {
                ds.rollback();
            } catch (Exception ex2) {
                log.error(ex2.getMessage(), ex2);
            }
        }
        servletRequest.setAttribute("MainTitle", "上传文件管理");
        servletRequest.setAttribute("ChildTitle", "上传文件列表");
        servletRequest.setAttribute("pageInfo", pageInfo);
        return actionMapping.findForward("OpenDownLoadList");
    }
    public ActionForward DeleteDownLoad(ActionMapping actionMapping,
                                        ActionForm actionForm,
                                        HttpServletRequest servletRequest,
                                        HttpServletResponse servletResponse) {
        DownLoad dl = new DownLoad();
        Long dowID = new Long(0);
        Long Type = new Long(0);
        boolean b = false;
        String Message = "";
        try {
            if (servletRequest.getParameter("dowID") != null &&
                servletRequest.getParameter("dowID") != "") {
                dowID = new Long(servletRequest.getParameter("dowID"));
            }
            if (servletRequest.getParameter("Type") != null) {
                Type = new Long(servletRequest.getParameter("Type"));
            }
            ds.beginTran();
            dl = ds.GetDownLoadById(dowID);
            b = ds.DeleteDownLoad(dl);
            Message = "删除成功，请返回！";
            ds.commit();
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            try {
                ds.rollback();
            } catch (Exception ex2) {
                log.error(ex2.getMessage(), ex2);
            }
        }
        if(b == false){
            Message = "删除失败，请返回！";
        }
        servletRequest.setAttribute("Message", Message);
        servletRequest.setAttribute
                ("Url", "Manage/DownLoad.do?todo=OpenDownLoadList&Type=" + Type);
        return actionMapping.findForward("DeleteDownLoad");
    }
}

						