en/builder/src/echarts3/chart/bar/helper.js

import * as graphic from '../../util/graphic';
export function setLabel(normalStyle, hoverStyle, itemModel, color, seriesModel, dataIndex, labelPositionOutside) {
  var labelModel = itemModel.getModel('label.normal');
  var hoverLabelModel = itemModel.getModel('label.emphasis');
  graphic.setLabelStyle(normalStyle, hoverStyle, labelModel, hoverLabelModel, {
    labelFetcher: seriesModel,
    labelDataIndex: dataIndex,
    defaultText: seriesModel.getRawValue(dataIndex),
    isRectText: true,
    autoColor: color
  });
  fixPosition(normalStyle);
  fixPosition(hoverStyle);
}

function fixPosition(style, labelPositionOutside) {
  if (style.textPosition === 'outside') {
    style.textPosition = labelPositionOutside;
  }
}