js写的简单三级联动，但是DropDownList取不到值，求解

麦子的春天到了 2011-05-18 05:09:53





    <script type="text/javascript">

       var arr1="岗位证|安全考核证|建造师证|工程师证 ";

       var arr2=new Array();

      

       arr2[0]="资料员证|质安员证|材料员证|预算员证|施工员证|测量员证|统计员证";

       arr2[1]="安全考核A证|安全考核B证|安全考核C证";

       arr2[2]="一级建造师证|二级建造师证";

       arr2[3]="初级工程师证|中级工程师证|高级工程师证";

       

     

       var arr3=new Array;

       arr3["资料员证"]="2";arr3["质安员证"]="2";arr3["材料员证"]="2";arr3["预算员证"]="2";arr3["施工员证"]="2";arr3["测量员证"]="2";arr3["统计员证"]="2";

       arr3["安全考核A证"]="1";arr3["安全考核B证"]="1";arr3["安全考核C证"]="1";

       arr3["一级建造师证"]="2";arr3["二级建造师证"]="4";

       arr3["初级工程师证"]="3";arr3["中级工程师证"]="3";arr3["高级工程师证"]="3";

      var j=0;

       var count=0;

       function fun()

       {

          var one=arr1.split("|");

         var sel1=document.getElementById("one1");

          var sel2=document.getElementById("two2");

         var sel3=document.getElementById("three3");

          clearSel(sel1);

          for(var i=0;i<one.length;i++)

          {

            sel1.options.add(new Option(one[i],one[i]));

         }

          var two=arr2[0].split("|");

         clearSel(sel2);

          for(var i=0;i<two.length;i++)

         {

            sel2.options.add(new Option(two[i],two[i]));

         }

          var three=arr3["2"].split("|");

          clearSel(sel3);

          for(var i=0;i<three.length;i++)

          {

            sel3.options.add(new Option(three[i],three[i]));

          } 

       }

       function clearSel(obj)

      {

         obj.innerHTML="";

       }

       function change1(obj)

       {

          j=obj.selectedIndex;

         var sel2=document.getElementById("two2");

           var sel3=document.getElementById("three3");

           var two=arr2[j].split("|");

          clearSel(sel2);

           clearSel(sel3);

           for(var i=0;i<two.length;i++)

           {

              sel2.options.add(new Option(two[i],two[i]));

           }

          var v=arr3[sel2.value].split("|");

          for(var m=0;m<v.length;m++)

          {

             sel3.options.add(new Option(v[m],v[m]));

          }

        }

        function change2(obj)

        {

            var sel2=document.getElementById("two2");

             var sel3=document.getElementById("three3");

              clearSel(sel3);

              if(arr3[sel2.value]!=null)

              {

                var v=arr3[sel2.value].split("|");

             

               for(var m=0;m<v.length;m++)

                {

                  sel3.options.add(new Option(v[m],v[m]));

                }

              }

              else

 

              {

                  sel3.options.add(new Option("",""));

              }

        }

      

     </script>

/*————————————————为js—————————————————*/



                    <div class="divword">选择类型</div>

                    <div class="divrow">

                        <asp:DropDownList  runat="server" Width="110px" id="one1" 

                            onchange="change1(this)" AutoPostBack="True">

                            <asp:ListItem></asp:ListItem>

                        </asp:DropDownList>

                    </div>

                    <div class="divword">证件名称</div>

                    <div class="divrow">

                        <asp:DropDownList  runat="server" Width="110px" id="two2" 

                            onchange="change2(this)" AutoPostBack="True">

                        </asp:DropDownList>

                    </div>

                </div><br />

                <div class="divline">

                    <div class="divword">复检周期</div>

                    <div class="divrow">

                        <asp:DropDownList  runat="server" Width="110px" id="three3" AutoPostBack="True">

                            <asp:ListItem>2</asp:ListItem>

                        </asp:DropDownList>

                    </div>

/*——————————————————.net页面代码——————————————*/



           string imagetype = one1.Text.ToString();//one1.Text.ToString();

           string Imaname = two2.Text.ToString();

           string recheck = three3.Text.ToString();

/*————————————获取DropDownList当前值——————————————————————*/

...全文