strust的复选框自动怎么选中

/* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package com.struts.action; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.struts.action.Action; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.actions.DispatchAction; import com.business.*; import com.struts.form.PageForm; import com.struts.form.UpfileForm; import java.io.*; import java.util.Vector; /** * MyEclipse Struts * Creation date: 11-14-2008 * * XDoclet definition: * @struts.action path="/picmanager" name="upfileForm" scope="request" */ public class PicmanagerAction extends DispatchAction { /* * Generated Methods */ /** * Method execute * @param mapping * @param form * @param request * @param response * @return ActionForward */ public ActionForward save(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { UpfileForm upfileForm = (UpfileForm) form;// TODO Auto-generated method stub //创建文件对象，并指定文件在服务器上的物理存储位置 String webpath=servlet.getServletContext().getRealPath(""); System.out.println("webpath--->"+webpath); //获取文件的名称 String filename=upfileForm.getFileform().getFileName(); System.out.println("文件名--->"+filename); //创建文件对象 File fl=new File(webpath+"/uppic/"+filename); upfileForm.setFname(filename); upfileForm.setFpath("/uppic/"); try { //创建文件输出流对象 FileOutputStream fout=new FileOutputStream(fl); fout.write(upfileForm.getFileform().getFileData()); fout.flush(); fout.close(); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } //保存文件路径等到数据库 PicBusiness picbuss=new PicBusiness(); boolean bl=picbuss.save(upfileForm); if(bl){ return mapping.findForward("addok"); } return null; } public ActionForward update(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { UpfileForm upfileForm = (UpfileForm) form;// TODO Auto-generated method stub //创建文件对象，并指定文件在服务器上的物理存储位置 String webpath=servlet.getServletContext().getRealPath(""); System.out.println("webpath--->"+webpath); //创建要被删除文件对象 File flold=new File(webpath+"/uppic/"+upfileForm.getFname()); //删除原有文件 if(flold.exists()){ flold.delete();//删除旧文件 } //获取文件的名称 String filename=upfileForm.getFileform().getFileName(); System.out.println("文件名--->"+filename); //创建文件对象 File fl=new File(webpath+"/uppic/"+filename); upfileForm.setFname(filename); upfileForm.setFpath(webpath+"/uppic/"); try { //创建文件输出流对象 FileOutputStream fout=new FileOutputStream(fl); fout.write(upfileForm.getFileform().getFileData()); fout.flush(); fout.close(); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } //保存文件路径等到数据库 PicBusiness picbuss=new PicBusiness(); boolean bl=picbuss.update(upfileForm); if(bl){ return mapping.findForward("updateok"); } return null; } public ActionForward delete(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { String id=request.getParameter("pid"); PicBusiness picbuss=new PicBusiness(); UpfileForm uf=(UpfileForm) picbuss.findById(id); //先删除文件 //创建文件对象，并指定文件在服务器上的物理存储位置 String webpath=servlet.getServletContext().getRealPath(""); System.out.println("webpath--->"+webpath); //创建要被删除文件对象 File flold=new File(webpath+"/uppic/"+uf.getFname()); //删除原有文件 if(flold.exists()){ flold.delete();//删除旧文件 } boolean bl=picbuss.delete(id);//删除数据库记录 if(bl){ return mapping.findForward("delok"); } return null; } public ActionForward findById(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { String id=request.getParameter("pid"); PicBusiness picbuss=new PicBusiness(); UpfileForm uf=(UpfileForm) picbuss.findById(id); request.setAttribute("ufile", uf); return mapping.findForward("update"); } public ActionForward findAll(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { // PicBusiness picbuss=new PicBusiness(); // Vector<UpfileForm> vcpic=picbuss.findAll(); // request.setAttribute("vcpic", vcpic); HttpSession session=request.getSession(true); String currpage=request.getParameter("currentpage"); PageForm pf=(PageForm) session.getAttribute("pgf"); if(pf==null){ pf=new PageForm(); } if(currpage==null){ currpage=""+pf.getCurrentpage(); } PageBusiness pgbuss=new PageBusiness(); int maxpage=pgbuss.getMaxPage(); int cp=0; try { cp = Integer.parseInt(currpage); } catch (NumberFormatException e) { // TODO Auto-generated catch block currpage=""+pf.getCurrentpage(); } if(cp<1){ cp=1; } if(cp>maxpage){ cp=maxpage; } pf.setCurrentpage(cp); pf.setMaxpage(maxpage); pf.setPagedata(pgbuss.getPageData(cp)); session.setAttribute("pgf", pf); return mapping.findForward("list"); } }