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       
(Showing Draft Content)

获取表格单元格的绑定路径

需求:SpreadJS如何根据选中单元格获取数据绑定字段


背景:

客户在点击单元格时,需要同时获取值和绑定字段,方便入库。

对于普通的单元格绑定,可以采取直接调用getBindingPath()即可。但是对于表格绑定,需要绑定字段存在于Table的列信息上。需要定位到当前点击单元格是否属于表格,并获取到激活单元格处于表格的第几列。

实现方案:

实现该需求,我们用到的主要API有以下三个:

接下来最主要的一步,就是获取当前激活单元格处于表格第几列了,这里其实只需要做一个简单的减法操作,用激活单元格列索引减去表格起始列索引即可。

详细的示例代码如下:

function getTableColumnDataField(sheet,activeRow,activeCol){
    let table = sheet.tables.find(activeRow,activeCol)
    if(table){
        let range = table.range()
        let {col} = range
        let tableColIndex = activeCol-col
        alert(table.getColumnDataField(tableColIndex))
    }else{
        alert("当前单元格不在Table中")
    }
}

完整版Demo可以参考附件:

demo.zip

作者: GrapeCity China | 审核:AlexZ | 更新时间:2023.09.24