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LinkAction.java~37~：源码内容
							package com.chinacannel.xlchemical.struts.Action;
import com.chinacannel.xlchemical.service.LinkService;
import org.apache.struts.actions.DispatchAction;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.chinacannel.entity.Link;
import java.util.List;
import com.chinacannel.xlchemical.struts.ActionForm.LinkActionForm;
import com.chinacannel.common.PageInfo;
import com.chinacannel.common.ImageUpload;
import com.chinacannel.entity.Image;
public class LinkAction extends DispatchAction {
    LinkService ls = new LinkService();
    public ActionForward EditLink(ActionMapping actionMapping,
                                  ActionForm actionForm,
                                  HttpServletRequest servletRequest,
                                  HttpServletResponse servletResponse) {
        LinkActionForm laf = (LinkActionForm) actionForm;
        Link link = new Link();
        String Message = "";
        ImageUpload iu = new ImageUpload();
        Image image = new Image();
        boolean b = false;
        try {
            ls.beginTran();
            if (!laf.getLinkID().equals(new Long(0))) {
                link = ls.GetLinkById(laf.getLinkID());
            }
            link.setLin_CName(laf.getCName());
            link.setLin_EName(laf.getEName());
            link.setLin_Url(laf.getUrl());
            link.setLin_Type(laf.getType());
            if(laf.getLinkImg().getFileSize()>0){
                if(!laf.getImageID().equals(new Long(0))){
                    iu.deleteImage(laf.getImageID().intValue());
                }
                image = iu.saveImage(laf.getLinkImg(), servletRequest, false);
                pro.setImage(image);
            }
            if(!laf.getLinkID().equals(new Long(0))){
                b = ls.UpdateLink(link);
                Message = "更新成功，请返回！";
            }else{
                b = ls.AddLink(link);
                Message = "添加成功，请返回！";
            }
            ls.commit();
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            try {
                ls.rollback();
            } catch (Exception ex2) {
                log.error(ex2.getMessage(), ex2);
            }
        }
        if(b == false){
            Message = "添加失败，请返回！";
        }
        servletRequest.setAttribute("Message", Message);
        servletRequest.setAttribute("Url", "/Manage/Link.do?todo=OpenLink");
        return actionMapping.findForward("EditLink");
    }
    public ActionForward OpenLink(ActionMapping actionMapping,
                                  ActionForm actionForm,
                                  HttpServletRequest servletRequest,
                                  HttpServletResponse servletResponse) {
        List linkList = null;
        String title = "链接管理";
        Long linkID = new Long(0);
        Link link = new Link();
        try {
            if (servletRequest.getParameter("LinkID") != null) {
                linkID = new Long(servletRequest.getParameter("LinkID"));
            }
            ls.beginTran();
            linkList = ls.GetAllLink();
            link = ls.GetLinkById(linkID);
            ls.commit();
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            try {
                ls.rollback();
            } catch (Exception ex2) {
                log.error(ex2.getMessage(), ex2);
            }
        }
        servletRequest.setAttribute("link", link);
        servletRequest.setAttribute("title", title);
        servletRequest.setAttribute("linkList", linkList);
        return actionMapping.findForward("OpenLink");
    }
    public ActionForward DeleteLink(ActionMapping actionMapping,
                                    ActionForm actionForm,
                                    HttpServletRequest servletRequest,
                                    HttpServletResponse servletResponse) {
        Long linID = new Long(0);
        Link link = null;
        String Message = "";
        try {
            linID = new Long(servletRequest.getParameter("linID"));
            ls.beginTran();
            link = ls.GetLinkById(linID);
            ls.DeleteLink(link);
            Message = "删除成功，请返回！";
            ls.commit();
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            try {
                ls.rollback();
            } catch (Exception ex2) {
                log.error(ex2.getMessage(), ex2);
            }
        }
        servletRequest.setAttribute("Message", Message);
        servletRequest.setAttribute("Url", "/Manage/Link.do?todo=OpenLink");
        return actionMapping.findForward("DeleteLink");
    }
    public ActionForward ShowLink(ActionMapping actionMapping,
                                  ActionForm actionForm,
                                  HttpServletRequest servletRequest,
                                  HttpServletResponse servletResponse) {
        int pageNo = 0;
        PageInfo pageInfo = null;
        try {
            pageNo = Integer.parseInt(servletRequest.getParameter("pageNo"));
        } catch (Exception ex1) {}
        try {
            ls.beginTran();
            pageInfo = ls.getPageInfo(new Long(3), pageNo);
            ls.commit();
        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
            try {
                ls.rollback();
            } catch (Exception ex2) {
                log.error(ex2.getMessage(), ex2);
            }
        }
        servletRequest.setAttribute("pageInfo", pageInfo);
        return actionMapping.findForward("ShowLink");
    }
}

						