一个关于dtree的使用过程

 

一个关于dtree的使用过程

  <%@ page import="java.util.*, java.sql.*" contentType="text/html;charset=GB2312"%>
<jsp:useBean id="treeVect" scope="application" class="shMachine.shMachine"/>
<script type="text/javascript" src="dtree.js"></script>
<%
String tableName="TASKBOX.SUB_ACT";
Vector firstId=(Vector)treeVect.getId("18",tableName);
Vector firstClassName=(Vector)treeVect.getclassNameVect(firstId,tableName);
for(int i=0;i<firstId.size();i++)...{  
%>
<input type="hidden" name="firstId" value="<%= firstId.elementAt(i).toString()%>">
<input type="hidden" name="firstClassName" value="<%=firstClassName.elementAt(i).toString()%>">
<%
}

Vector secondId=(Vector)treeVect.getId("21",tableName);
Vector secondClassName=(Vector)treeVect.getclassNameVect(secondId,tableName);
for(int j=0;j<secondId.size();j++)...{  
%>
<input type="hidden" name="secondId" value="<%= secondId.elementAt(j).toString()%>">
<input type="hidden" name="secondClassName" value="<%=secondClassName.elementAt(j).toString()%>">
<%
}

Vector thirdId=(Vector)treeVect.getId("24",tableName);
Vector thirdClassName=(Vector)treeVect.getclassNameVect(thirdId,tableName);
for(int k=0;k<thirdId.size();k++)...{  
%>
<input type="hidden" name="thirdId" value="<%=thirdId.elementAt(k).toString()%>">
<input type="hidden" name="thirdClassName" value="<%=thirdClassName.elementAt(k).toString()%>">
<%
}

String taskid=(String)session.getAttribute("taskid");
String name=treeVect.getNewParameter(taskid,"TASKBOX.TASK","TASKNAME");
%>
<input type="hidden" name="taskname" value="<%=name%>">

<script  language="javascript">
var grandfather=document.all.taskname.value;
     d = new dTree('d');
     d.add(0,-1,grandfather,'uClassfalse.jsp?id=0','',"view");
     if(<%=firstId.size()%>=='1')...{
            d.add(1,0,document.all.firstClassName.value,'uClassfalse.jsp?id='+document.all.firstId.value,'',"view");
            for (j=0;j<<%=secondClassName.size()%>;j++)
             ...{     
              if(document.all.secondId(j).value.substring(0,18)==document.all.firstId.value)
                    ...{    ///列出第二级CLASSNAME
                   d.add(10+j,1,document.all.secondClassName(j).value,'uClassfalse.jsp?id='+document.all.secondId(j).value,'',"view");
                  for (k=0;k<<%=thirdId.size()%>;k++)
                        ...{//列出第三级CLASSNAME
                        if(document.all.thirdId(k).value.substring(0,21)==(document.all.secondId(j).value))
                       d.add(100+k,10+j,document.all.thirdClassName(k).value,'uClassfalse.jsp?id='+document.all.thirdId(k).value,'',"view");
                                       }
                    }
              }
      }
else...{
   for (i=0;i<<%=firstId.size()%>;i++)
    ...{
    d.add(1+i,0,document.all.firstClassName(i).value,'uClassfalse.jsp?id='+document.all.firstId(i).value);
    
     for (j=0;j<<%=secondClassName.size()%>;j++)
        ...{
     if(document.all.secondId(j).value.substring(0,18)==document.all.firstId(i).value)
          ...{        
        d.add(10+j,1+i,document.all.secondClassName(j).value,'uClassfalse.jsp?id='+document.all.secondId(j).value);
         for (k=0;k<<%=thirdId.size()%>;k++)
             ...{
            if(document.all.thirdId(k).value.substring(0,21)==(document.all.secondId(j).value))
                 ...{             d.add(100+k,10+j,document.all.thirdClassName(k).value,'uClassfalse.jsp?id='+document.all.thirdId(k).value);
                  }
           }
      }
  }
}
    document.write(d);
}