JS 동적 생 성 Table,Tr,Td 및 할당 의 구체 적 인 실현

//         
function getzts(){ 
    parentId = document.getElementById("bselect1").value; 
    if(parentId!=""){ 
        dwrMethod.getZtList(parentId,callback5); 
    }else{ 
        //    Table                      
        var t=document.getElementById("zhutiTable");  //  Table 
        var length= t.rows.length;          //  Table     
        if(length!=0){              //    ，    
            for(var i=length-1;i>=0;i--)  
            {  
             t.deleteRow(i);     
            } 
        } 
        var r = t.insertRow(); 
        var c = r.insertCell(); 
        c.innerHTML="      "; 
        document.getElementById('zhutiTable').appendChild(t); 
    } 
} 
function callback5(provinces){ 
    var t=document.getElementById("zhutiTable");     //  Table 
    var length= t.rows.length;             //  Table     
    if(length!=0){                      //    ，    
        for(var i=length-1;i>=0;i--)  
            {  
                t.deleteRow(i);     
                }  
    } 
    if(provinces.length>0){                           
        for (var i = 0; i < provinces.length; i++) { 
            //tr 
                    if(i%4==0){ 
                        var r = t.insertRow(t.rows.length);//      
                     } 
                    //td  
            var c = r.insertCell();                //      
            c.innerHTML = "<input type='checkbox' name='zhutiIds' value="+provinces[i][0]+">"+provinces[i][1]; 
            } 
    }else{ 
        var r = t.insertRow(); 
        var c = r.insertCell(); 
        c.innerHTML="      "; 
    } 
    document.getElementById('zhutiTable').appendChild(t); 
} 

<tr> 
    <td class="add_tit">    </td> 
    <td> 
       <s:select id="bselect1" name="pruType1" onchange="getzts();"list="pTypeList" listKey="id" listValue="productionTypeName" headerKey="" headerValue="--       --" /> 
       <label class="note4">*</label> 
    </td> 
</tr> 
[html]
<tr> 
     <td class="add_tit">  </td> 
     <td id="table1" style="padding-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;"> 
        <table id="zhutiTable" border="0" cellpadding="0" cellspacing="0" width=100% class="table_table"> 
       <tr> 
        <td style="color: red;"> :        </td> 
       </tr> 
        </table> 
     </td> 
</tr>