获取 checkbox 和 radio 选定的值，以及设默认值

上述代码 实现了，获取 checkbox 和 radio 选定的值，以及根据值 显示表单默认已经选择的值<p></p>window.οnlοad=function(){
      var condition = document.getElementById("conditiontext").value;        
      var radioObject = document.getElementsByName("condition");
          if(condition === "")
          {
              radioObject[0].checked = true;
          }
          for (var i = 0; i < radioObject.length; i++)
          {
              if(radioObject[i].value == condition)
              {
                  radioObject[i].checked = true;
                  break;
              }
              
          }
       var groupcodes = document.getElementById("groupcodetext").value;    
       var checkboxObject=document.getElementsByName("groupcode");    
       if(groupcode === "")
          {
              checkboxObject[0].checked = true;
          }
          for (var i = 0; i < radioObject.length; i++)
          {
              if(groupcodes.indexOf(checkboxObject[i].value)!=-1)
              {
                  checkboxObject[i].checked = true;
              }
              
          }
      }  
       function goPage(id) {        
        var pageNum = document.getElementById("pageNum").value;
        var condition = document.getElementById("conditiontext").value;  
        var groupcodes = document.getElementById("groupcodetext").value;  
        location.href="url?id="+id+"&pageNum=" + pageNum+"&groupcode=" + groupcodes+"&condition="+condition;
      } 
      function onChangeGroupcode(id) {      
        var checkboxVal=document.getElementsByName("groupcode");
        var str="";
            for(var i=0;i<checkboxVal.length;i++)
            {
              if(checkboxVal[i].checked==true){
                  str+="'"+checkboxVal[i].value+"',";
              }
            }
            if(str.endsWith(","))
            {
              str = str.substring(0,str.length-1);
            }          
            var condition = document.getElementById("conditiontext").value;  
        location.href="<span style="font-family: Arial, Helvetica, sans-serif;">url</span><span style="font-family: Arial, Helvetica, sans-serif;">?id="+id+"&groupcode=" + str+"&condition="+condition;</span>
      } 
      function onChangeCondition(id) {
        var condition = "";
        var checkboxVal=document.getElementsByName("condition");
            for(var i=0;i<checkboxVal.length;i++)
            {
              if(checkboxVal[i].checked==true){
                  condition=checkboxVal[i].value;
                  break;
              }
            }
        if(condition=="")
        {
          condition="AllPartner";
        }      
        var groupcode = document.getElementById("groupcodetext").value;  
        location.href="url?id="+id+"&groupcode=" + groupcode+"&condition="+condition;
      }

</pre><pre name="code" class="html">

</pre><pre name="code" class="html"><tr><td>  用户所在的组：<input type='checkbox' name="groupcode" id="groupcode" οnchange="onChangeGroupcode('<%=id%>')" value="Partner" checked disabled/>A
<input type='checkbox' name="groupcode" id="groupcode" οnchange="onChangeGroupcode('<%=id%>')" value="Employee"/>B
<input type='checkbox' name="groupcode" id="groupcode" οnchange="onChangeGroupcode('<%=id%>')"  value="Member"/>C         
<input type="hidden" name="groupcodetext" id="groupcodetext" value="<%=groupcodes %>" />
</td>
<td align="right">
<input type='radio' name="condition" id="condition" οnchange='onChangeCondition("<%=id%>")'  value="AllPartner" checked/>全部User
<input type='radio' name="condition" id="condition" οnchange='onChangeCondition("<%=id%>")'  value="UnusedPartner"/>未使用User
<input type='radio' name="condition" id="condition" οnchange='onChangeCondition("<%=id%>")'  value="UsedPartner"/>已使用User
<input type="hidden" name="conditiontext" id="conditiontext" value="<%=condition %>" />
</td></tr>

上述代码 实现了，获取 checkbox 和 radio 选定的值，以及根据值 显示表单默认已经选择的值