SuiteScript根据发货位置计算重量总和

我希望能够根据发货位置计算销售订单上项目的总重量,并将值存储在自定义字段中。在提交此脚本之前,我创建了一个。“自定义”字段设置为“十进制数”类型,并选中“存储值”框,但“销售订单”页面上的字段下未显示任何内容。

function calculateWeight(type){

  var lines = nlapiGetLineItemCount('item');

  var totalWeight2 = 0 ;
  var totalWeight1 = 0 ;

  if (lines >0){
      for(var i = 1; i<= lines ; i++){
          var location = nlapiGetLineItemValue('item','location', i);
          var quantitycommitted = nlapiGetLineItemValue('item','quantitycommitted', i);
          var weight = nlapiGetLineItemValue('item','custcol_individual_weight', i);
          //var com_wgt = nlapiGetLineItemValue('item','custcol1',i);

          if (location === '2'){
              var total2 = weight * quantitycommitted;

              totalWeight2 += total2 ;
          }

          if (location === '1'){
              var total1 = weight * quantitycommitted;

              totalWeight1 += total1 ;
          }

      }

      nlapiSetFieldValue('custbody5', totalWeight1);
      nlapiSetFieldValue('custbody4', totalWeight2);

  }

}

我仍在学习SuiteScript,我不确定哪里出了问题。。。有人能帮忙吗?

更新的代码,仅适用于部分订单。。。

function calculateWeight(type){

  var lines = nlapiGetLineItemCount('item');
  //nlapiLogExecution('DEBUG', 'Number of lines', lines);

  var totalWeight2 = 0 ;
  var totalWeight1 = 0 ;

  if (lines >0){
      for(var i = 1; i<= lines ; i++){
      var location = nlapiGetLineItemValue('item','location', i);
    //nlapiLogExecution('DEBUG', 'Locations', location);
      var quantitycommitted = parseInt(nlapiGetLineItemValue('item','quantitycommitted', i),10) || 0;
    //nlapiLogExecution('DEBUG', 'QtyCom', quantitycommitted);
      var weight = parseFloat(nlapiGetLineItemValue('item','custcol_individual_weight', i)) ||0;
     //nlapiLogExecution('DEBUG', 'Wgt', weight);

    //var com_wgt = nlapiGetLineItemValue('item','custcol1',i);

      if (location == '2'){
          var total2 = weight * quantitycommitted;

          totalWeight2 += total2 ;
        nlapiLogExecution('DEBUG', 'Total2', totalWeight2);

      }

      if (location == '1'){
          var total1 = weight * quantitycommitted;

          totalWeight1 += total1 ;
        nlapiLogExecution('DEBUG', 'Total1', totalWeight1);
      }

  }

  nlapiSetFieldValue('custbody_ms_weight_ppt_page', totalWeight1);
  nlapiSetFieldValue('custbody_wi_weight_ppt_page', totalWeight2);

 }

}