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表列值转换与修改

需求：如何在表格绑定时对表列值进行转换和修改

背景

在实际项目中，我们经常会遇到将数据库中的某些字段的值在SpreadJS报表中展示时，进行转换，方便业务人员查看。

实现参考

使用tableColumn的value对列表值进行转换，代码如下：

var tableColumn2 = new spreadNS.Tables.TableColumn();
tableColumn2.name("QUANTITY");
tableColumn2.value((val) => {
  return val.quantity === 1 ? "是" : "否";
});

数据源如下：

image

SpreadJS显示如下:

image

但是，当我们去修改经过转换后的数据，并且想将转换后的"是"和"否"转换为"1"和"0",发现是不支持修改的，这时，我们用另外一个解决方法：

var tableColumn2 = new spreadNS.Tables.TableColumn();
tableColumn2.name("QUANTITY");
var combo = new spreadNS.CellTypes.ComboBox();
combo
  .items([
    { text: "否", value: 0 },
    { text: "是", value: 1 },
  ])
  .editorValueType(GC.Spread.Sheets.CellTypes.EditorValueType.value);
tableColumn2.cellType(combo);

我们修改完数据，看数据源中有没有改为对应的“0”或“1”

image

完整版Demo可以参考论坛精华贴：SpreadJS数据绑定（表格绑定），表列值转换与修改

作者: Steven.Lv | 审核：AlexZ | 更新时间：2023.09.24