demoaction.java

java dwr2.0测试使用代码。个人认为很有借鉴意义！

/**
 * DemoAction.java
 * dwrDemo 2006-2-13
 */
package dwr.demo;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public class DemoAction extends Action {

    private DemoFacade demoFacade = new DemoFacade();
    
    public ActionForward query(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        String type = request.getParameter("type");
        //或者从form中取值
        
        List goodsList = query4dwr(Integer.parseInt(type), true, request);
        request.setAttribute("goodsList", goodsList);
        
        return mapping.findForward("success");
    }

    public List query4dwr(int type, boolean needClear, HttpServletRequest request) {
        if (needClear) request.getSession().removeAttribute("dwr.demo.goodsId");
        return demoFacade.queryList(type);
    }
    
    public ActionForward copy(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        return null;
    }

    public void copy4dwr(String idList, HttpServletRequest request) {
        request.getSession().setAttribute("dwr.demo.goodsId", idList);
    }
    
    public ActionForward paste(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        return null;
    }

    public int paste4dwr(HttpServletRequest request) {
        String idList = (String)request.getSession().getAttribute("dwr.demo.goodsId");
        if (null == idList) return -1;
        else {
            demoFacade.copy(idList);
            return 0;
        }
    }
}