Create a corresponding Lenovo query for a large drop-down menu of data volumes

* Effect: "The drop-down menu for project information on the left, with an input box on the right." To achieve the effect on the right of the input box position, enter "a", in the drop-down box yesterday the value of the message "a" to display the corresponding information "

* Function Realization:

"JSP page feature implementation:"

Get all the project information you want

<%list project_list = (List) request.getattribute ("Project_list");%>

JS assembled into an array of information

<script language= "JavaScript" >//all the project information into the array. var array_pro = new Array (); <s:set name= "Proorder" value= "0"/ ><s:iterator value= "#request. Project_list" >array_pro[' <s:property value= "#proOrder"/> ']=new Array ( ' <s:property value= ' pro_id '/> ', ' <s:property value= ' pro_name '/> '); <s:set name= "ProOrder" value= "# Proorder+1 "></s:set></s:iterator>function getList (proname) {if (Proname! = ' && proname! = ')     Please enter the project name ') {var new_proarry = new Array (); var regu = Proname;   var re = new RegExp (Regu);      var new_order=0;    for (Var i=0;i<array_pro.length;i++) {if (Array_pro[i][1].search (re)!=-1) {new_proarry[new_order]=array_pro[i];       new_order=new_order+1; }}var str_pro= ""; $ ("Select[id= ' pro_id '" option "). Remove (); if (new_proarry.length==0) {str_pro=" <option value=\ "\ ">--Please select Project--</option>"; $ (' #PRO_ID '). Append (Str_pro); return false;} for (var i = 0; i < new_proarry.length; i++) {str_pro+= "<option value=" + New_proarry[i][0]+ ">" +new_proarry[i][1]+ "</option>";} $ (' #PRO_ID '). Append (Str_pro);} else{new_proarry=array_pro;$ ("select[id= ' pro_id ')" option "). Remove (); var str_pro=" <option value=\ "\" >-- Please select item--</option> "; for (var i = 0; i < new_proarry.length; i++) {str_pro+=" <option value= "+ new_proarry[i][0]+ ">" +new_proarry[i][1]+ "</option>";} $ (' #PRO_ID '). Append (Str_pro);}} </script>

Page Show content:

<tr class= "Fontsy" >               <td height= "" "align=" center "><font color=" Red ">*</font> project name </ td>        <td  height= "" "align=" left ">           <s:select list=" #request. Project_list "listkey="  pro_id "  listvalue=" Pro_name "  theme=" simple "  name=" pro_id "  id=" pro_id "  headerkey=" "  Headervalue= "--Please select the project--"  cssstyle= "width:300px;" /><input value= "Please enter the project name" onclick= "if (this.value== ' Please enter project name ') this.value= '"         onblur= "if (this.value==") This.value= ' Please enter the        project name '; Style= "border:none;width:100px;color:red;" onkeyup= "getList (this.value);" >        </td>        </td>

</tr>

The background action simply implements a simple full query, then saves it and then calls the foreground, which is not written here.

Create a corresponding Lenovo query for a large drop-down menu of data volumes