前段必填校验

<script type="text/javascript">
AttachXFormValueChangeEventById("fd_3b78a6e72b1206",function(){
  //城市等级
  var fd_3b8d8f0049d9a6 = GetXFormFieldValueById("fd_3b8d8f0049d9a6");

  //Group Lunch Cost
  var fd_3b78a6e72b1206 = GetXFormFieldValueById("fd_3b78a6e72b1206");
  if('' == fd_3b78a6e72b1206){
      fd_3b78a6e72b1206 = 0;
  }

  if("Tier 1 City"==fd_3b8d8f0049d9a6){//如果是一级城市  标准是3000
    if(parseInt(fd_3b78a6e72b1206)<= 3000){
      $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").parent().parent().parent().css("display",'none');
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").removeAttr("validate");
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").next().hide(); 
    }else{
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").parent().parent().parent().css("display",'revert');
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").attr("validate","required");
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").next().show();
    }
  }else if("Tier 2 City"==fd_3b8d8f0049d9a6){
    if(parseInt(fd_3b78a6e72b1206)<= 2500){
      $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").parent().parent().parent().css("display",'none');
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").removeAttr("validate");
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").next().hide(); 
    }else{
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").parent().parent().parent().css("display",'revert');
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").attr("validate","required");
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").next().show();
    }
  }else{
    if(parseInt(fd_3b78a6e72b1206)<= 2000){
      $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").parent().parent().parent().css("display",'none');
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").removeAttr("validate");
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").next().hide(); 
    }else{
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").parent().parent().parent().css("display",'revert');
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").attr("validate","required");
        $("textarea[name='extendDataFormInfo.value(fd_3b88c87c2e9d4a)']").next().show();
    }
  }
//输入值默认选中
   if( fd_3b78a6e72b1206!='' &&  fd_3b78a6e72b1206.length>0){
          $("input[name='_extendDataFormInfo.value(fd_3b88667de645f4)']").prop("checked",true); 
          $("input[name='extendDataFormInfo.value(fd_3b88667de645f4)']").val("Bus:");
    }else{
          $("input[name='_extendDataFormInfo.value(fd_3b88667de645f4)']").prop("checked",false); 
          $("input[name='extendDataFormInfo.value(fd_3b88667de645f4)']").val("");
     }
      __cbClick(document.getElementsByName("_extendDataFormInfo.value(fd_3b88667de645f4)")[0].name.substring(1),'null',false,__xformDispatch);
});


AttachXFormValueChangeEventById("fd_3b88667de645f4", function(value,domElement){
        if( value == '' || value.length<=0){
              $("input[name='extendDataFormInfo.value(fd_3b78a6e72b1206)']").val(""); 
        }
});
</script>

<xform:viewShow>
<script>
Com_AddEventListener(window,"load", function(){
      var data = "${kmReviewMainForm.extendDataFormInfo.formData.fd_3b78a6e72b1206}";    
      if(data =="" || data.length<=0){
         $("input[name='extendDataFormInfo.value(fd_3b78a6e72b1206)']").parent().parent().parent().parent().css("display","none");
      }      

});
</script>
</xform:viewShow>