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思路: 先查询出所有数据的根结点,并对每个根结点检查是不是有子结点,如果有子结点则在显示时增加"+"图片,没有则不添加.但用户点击"+"图片时,则通过AJAX调用逻辑流查询触发结点的所有子结点(采用递归方式,以每个子结点的父结点属性从上向下查询),并隐藏加载到触发结点后面(以TR形式添加,并设置每个子元素的paraTaskno属性为父结点taskno(其实仍是以递归方式,从上向下给每个子元素的paraTaskno属性设置父元素的id)

服务端数据: 仅查询根结点.

html代码:
 
<viewlist id="e587ead4-daa3-431e-a0ed-fac40e013850">
  <h:form name="page_form" action="com.bos.mp.taskStatistics.TaskStatistics.flow" method="post">
    <input type="hidden" name="_eosFlowAction" value="pageQuery" >
    <h:hiddendata property="criteria" />
    <h:hidden property="page/begin"/>
    <h:hidden property="page/length"/>
    <h:hidden property="page/count"/>
    <h:hidden property="page/isCount"/>
    <w:panel id="list_panel" width="100%" title="任务列表">
      <table align="center" border="0" width="100%" class="EOS_table">
        <tr id="table_header">       
          <th>
            任务名称
          </th>
          <th>
            项目名称
          </th>
          <th>
            项目模块
          </th>
          <th>
            工作占项目比率
          </th>
          <th>
            负责人
          </th>
       <th>
            审核人
          </th>
          <th>
            计划开始日
          </th>
           <th>
            计划完成日
          </th>
          <th>
            任务状态
          </th>
          <th>
           完成率(%)
          </th>
          <th>
           更新日期
          </th>
          <th>
           原因
          </th>
          <th>
           实际完成率(%)
          </th>
          <th>
           实际完成日
          </th>
          <th>
           提前/滞后完成天数
          </th>
        </tr>
        <w:checkGroup id="group1">
          <l:iterate property="mpprojectfollows" id="id1">
           <%
            long temp = 0;
            if(null != ((DataObject)pageContext.getAttribute("id1")).getString("proEndDate")){
             DataObject t=(DataObject)pageContext.getAttribute("id1");
             String d1 = ((DataObject)pageContext.getAttribute("id1")).getString("comDate") == null ? new SimpleDateFormat("yyyy-MM-dd").format(new Date()):((DataObject)pageContext.getAttribute("id1")).getString("comDate");
             String d2 = ((DataObject)pageContext.getAttribute("id1")).getString("proEndDate");
             temp = RetOrgInfo.daysDifference(d1,d2);
            }
            if(temp<0 && !((DataObject)pageContext.getAttribute("id1")).getString("taskStatus").equals("完成")){
             out.print("<tr class='EOS_table_row' style='background-color:red;' id='"+((DataObject)pageContext.getAttribute("id1")).getString("taskno")+"'>");
            }else if(temp<0 && ((DataObject)pageContext.getAttribute("id1")).getString("taskStatus").equals("完成")){
             out.print("<tr class='EOS_table_row' style='background-color:orange;' id='"+((DataObject)pageContext.getAttribute("id1")).getString("taskno")+"'>");
            }else if(temp>0 && ((DataObject)pageContext.getAttribute("id1")).getString("taskStatus").equals("完成")){
             out.print("<tr class='EOS_table_row'  style='background-color:green;' id='"+((DataObject)pageContext.getAttribute("id1")).getString("taskno")+"'>");
            }else{
             out.print("<tr class='EOS_table_row' id='"+((DataObject)pageContext.getAttribute("id1")).getString("taskno")+"'>");
            }
            %>
           
             <td align="left" >
             <l:present  property="childTasks" iterateId="id1">
               <img src="<%=request.getContextPath() %>/common/skins/default/images/grouppanel/grouppanel_open.gif" onclick="node_click('<b:write iterateId="id1" property="taskno"/>');"/>
              </l:present>
              <h:hidden iterateId="id1" property="paraTaskno"/>

                <a href="#" onclick="javascript:showTaskDet('<b:write iterateId="id1" property="taskno"/>');"><b:write iterateId="id1" property="taskName"/></a>
              </td>
              <td align="center">
                <b:write iterateId="id1" property="projectName"/>
              </td>
              <td align="center">
                <b:write iterateId="id1" property="modName"/>
              </td>
              <td align="center">
                <b:write iterateId="id1" property="taskRate"/>
                <l:notEmpty iterateId="id1" property="taskRate">
                 %
                </l:notEmpty>
              </td>
              <td align="center">
                <b:write iterateId="id1" property="planPres"/>
              </td>
              <td align="center">
                <b:write iterateId="id1" property="auditorName"/>
              </td>
              <td align="center">
                <b:write iterateId="id1" property="proStarDate" formatPattern="yyyy-MM-dd"/>
              </td>
              <td align="center">
                <b:write iterateId="id1" property="proEndDate" formatPattern="yyyy-MM-dd"/>
              </td>
               <td align="center">
                <b:write iterateId="id1" property="taskStatus"/>
              </td>     
              <td align="center">
                <b:write iterateId="id1" property="actorRated"/>
              </td>
              <td align="center">
                <b:write iterateId="id1" property="actorDate" formatPattern="yyyy-MM-dd"/>
              </td>
              <td align="center">
                <b:write iterateId="id1" property="reason"/>
              </td>
              <td align="center">
                <b:write iterateId="id1" property="auditRate"/>
              </td>
               <td align="center">
                <b:write iterateId="id1" property="comDate" formatPattern="yyyy-MM-dd"/>
              </td>
              <td align="center">
               <%
                if(temp<0){
                 out.print("滞后"+Math.abs(temp)+"天");
                }else if(temp>0 && ((DataObject)pageContext.getAttribute("id1")).getString("taskStatus").equals("完成")){
                 out.print("提前"+temp+"天");
                }
                %>
              </td>
            </tr>
          </l:iterate>
        </w:checkGroup>
        <tr>
          <td colspan="16" class="command_sort_area">
           <div id="pageroot" align="right">
              <l:equal property="page/isCount" targetValue="true">
                共
                <b:write property="page/count"/>
                条记录 第
                <b:write property="page/currentPage"/>
                页/
                <b:write property="page/totalPage"/>
                页
              </l:equal>
              <l:equal property="page/isCount" targetValue="false">
                第
                <b:write property="page/currentPage"/>
                页
              </l:equal>
              <input type="button" onclick="firstPage('page', 'pageQuery', null, null, 'page_form');" value="首页"  <l:equal property="page/isFirst" targetValue="true">disabled</l:equal> >
              <input type="button" onclick="prevPage('page', 'pageQuery', null, null, 'page_form');" value="上页" <l:equal property="page/isFirst" targetValue="true">disabled</l:equal> >
              <input type="button" onclick="nextPage('page', 'pageQuery', null, null, 'page_form');" value="下页" <l:equal property="page/isLast" targetValue="true">disabled</l:equal> >
              <l:equal property="page/isCount" targetValue="true">
                <input type="button" onclick="lastPage('page', 'pageQuery', null, null, 'page_form');" value="尾页" <l:equal property="page/isLast" targetValue="true">disabled</l:equal> >
              </l:equal>
            </div>
          </td>
        </tr>
      </table>
    </w:panel>
  </h:form>
</viewlist>



<script> 
var jquery = jQuery.noConflict();
    //主结点展开/收起
    function node_click(taskid){
       var el=jquery("#"+taskid).find("img")[0]//event.srcElement
       var path=el.src.substr(el.src.lastIndexOf("/")+1)
       var prifix=el.src.substr(0,el.src.lastIndexOf("/"))
       if(path=="grouppanel_open.gif"){
          //显示结点
          var tr=jquery(el).closest("tr");
          if(jquery(el).closest("tr").next().css("display")=="none"){
            el.src=prifix+"/grouppanel_close.gif";
            tr.nextAll("tr[paraTaskno='"+tr.attr("id")+"']").show();
          }else{
            readchildnodeByAjax(taskid);
            jquery(el).trigger("click");
          }
         
       }else{
          //隐藏结点
          el.src=prifix+"/grouppanel_open.gif";
          var tr=jquery(el).closest("tr");
          recursion_node(tr,false);
       }
    }
   
    //ajax读取子结点
    function readchildnodeByAjax(taskid){
       var myAjax=new Ajax("com.bos.mp.projectfollow.mpprojectfollowbiz.QueryTask.biz");
       myAjax.addParam("criteria/_entity","com.bos.mp.projectfollow.dataset.ProTaskQryEntity");
       myAjax.addParam("criteria/_expr[0]/paraTaskno",taskid);
       myAjax.submit();
       //获取"root/data/mpprojectfollows"结点数组
       var nodes=myAjax.getXMLDom().selectNodes("root/data/mpprojectfollows");
       for(var i=0;i<nodes.length;i++){
          addElement(jquery("#"+taskid),nodes[i]);
       }
    }
   
    /**
     *动态增加tr结点,以请求的服务端数据来遍历添加结点
     *template:html页面元素;node:服务端数据子实体
     */
    function addElement(template,node){
      var xml=jquery(node);
      var template=addnode(template,xml)
      var childnodes=xml.children("childTasks");
      for(var i=0;i<childnodes.length&&jquery(xml.children("childTasks")[i]).text()!="";i++){
          addElement(template,xml.children("childTasks")[i]);
      }
    }
    
    /**
     *以服务端的子实体对象(xml)构造一个结点添加到html元素(template)
     */
    function addnode(template,xml){
           var open_gif='<%=request.getContextPath() %>/common/skins/default/images/grouppanel/grouppanel_open.gif';
           var close_gif="<%=request.getContextPath() %>/common/skins/default/images/grouppanel/grouppanel_close.gif"
           //从模板结点构造出目标结点tr
           var curtr=template.clone().insertAfter(template).hide()
                .attr("id",jquery(xml.find("taskno")[0]).text())
                .attr("paraTaskno",jquery(xml.find("paraTaskno")[0]).text());
           //首个TD结点     
           var firsttd=jquery(curtr.children("td")[0]);
           var td=jquery(curtr.children("td")[0]).css("padding-left",parseInt(firsttd.css("padding-left"))+10+"px")
               .empty();
               jquery("<a href='#'></a>").text(jquery(xml.find("taskName")[0]).text())
               .bind("click",function(){
                                showTaskDet(jquery(xml.find("taskno")[0]).text());
                             }).appendTo(td);
           var img=jquery("<img/>").prependTo(td);
           if(jquery(xml.children("childTasks")[0]).text()!=""){
              //非叶子结点,绑定事件
              img.attr("src",open_gif);
              img.bind("click",function(){
                                  var path=jquery(this).attr("src");
                                  var tr=jquery(this).closest("tr");
                                  if(path==open_gif){
                                     jquery(this).attr("src",close_gif);
                                     recursion_node(tr,true);
                                  }else{
                                     jquery(this).attr("src",open_gif);
                                     recursion_node(tr,false);
                                  }
                                 })
            }else{
              //叶子结点
              img.attr("src",close_gif);
            }
            td.next().empty()//text(jquery(xml.find("projectName")[0]).text())
            .next().empty()//text(jquery(xml.find("modName")[0]).text())
            .next().text(jquery(xml.find("taskRate")[0]).text())
            .next().text(jquery(xml.find("planPres")[0]).text())
            .next().text(jquery(xml.find("auditorName")[0]).text())
            .next().text(jquery(xml.find("proStarDate")[0]).text())
            .next().text(jquery(xml.find("proEndDate")[0]).text())
            .next().text(jquery(xml.find("taskStatus")[0]).text())
            .next().text(jquery(xml.find("actorRated")[0]).text())
            .next().text(jquery(xml.find("actorDate")[0]).text())
            .next().text(jquery(xml.find("reason")[0]).text())
            .next().text(jquery(xml.find("auditRate")[0]).text())
            .next().text(jquery(xml.find("comDate")[0]).text())
            .next().text("");
            return curtr;
      }
   
    /**
     *层叠递归方式显示或隐藏结点
     * node:jquery对象;isshow:boolean值
     */
    function recursion_node(node,isshow){
      var open_gif='<%=request.getContextPath() %>/common/skins/default/images/grouppanel/grouppanel_open.gif';
      var close_gif="<%=request.getContextPath() %>/common/skins/default/images/grouppanel/grouppanel_close.gif"
      var nodes=node.nextAll("tr[paraTaskno='"+node.attr("id")+"']")

      for(var i=0;i<nodes.length;i++){
          recursion_node(jquery(nodes[i]),isshow);
          if(!isshow){
            jquery(nodes[i]).hide();
          }else{
           jquery(nodes[i]).show();
          }
      }
      if(nodes.length>0){
      jquery(node.find("img")[0]).attr("src",!isshow?open_gif:close_gif)
      }

    }

</script>
posted on 2011-04-01 17:39 紫蝶∏飛揚↗ 阅读(1374) 评论(0)  编辑  收藏 所属分类: div+css+js代码EOS

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