code: public StyleSet setBorder(BorderStyle borderSize, IndexedColors colorIndex) {
  		StyleUtil.setBorder(this.headCellStyle, borderSize, colorIndex);
  		StyleUtil.setBorder(this.cellStyle, borderSize, colorIndex);
  		StyleUtil.setBorder(this.cellStyleForNumber, borderSize, colorIndex);
  		StyleUtil.setBorder(this.cellStyleForDate, borderSize, colorIndex);
  		return this;
  	}
docs: 定义所有单元格的边框类型
  
  @param borderSize 边框粗细{@link BorderStyle}枚举
  @param colorIndex 颜色的short值
  @return this
  @since 4.0.0