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Tablesheet 提供了创建层叠列头的能力,有助于在单行视图中显示来自多个相关表的字段。您可以在更简化的行视图中显示表格以进行数据输入。
在addView方法中添加字段时,可以使用每个字段的cross属性设置交叉列。“cross”属性可用于设置字段、属性、筛选和标题等选项。
以下步骤显示如何使用表格中“package”字段中的数组值添加层叠列头。
//将customer table添加到数据管理器
var customerTable = dataManager.addTable("customerTable", {
remote: {
read: {
url: 'https://demodata.grapecity.com/wwi/api/v1/customers'
}
}
});
// 将sales table添加到数据管理器
var salesTable = dataManager.addTable("salesTable", {
remote: {
read: {
url: 'https://demodata.grapecity.com/wwi/api/v1/sales?PageNumber=10&PageSize=500'
}
},
schema:{
columns:{
package: { lookup: ["Each","Pair"] }, // 使用层叠列头特性
}
}
});
customerTable.primaryKey("customerKey")
salesTable.primaryKey("saleKey")
//添加销售表和客户表的关系
dataManager.addRelationship(salesTable, "customerKey", "myCustomer", customerTable, "customerKey", "mySales");
//添加自定义视图
customerTable.fetch().then(function () {
var selectView = customerTable.addView("customersView",
[
{ value: 'customerKey' },
{ value: 'customer' },
{ value: 'billToCustomer' },
{ value: 'category' },
]);
// 创建一个用于关系视图的多列下拉列表
var multiSelectStyle = {
formatter: '{{=IFERROR(CONCAT(PROPERTY(@, "customer"), ", ", PROPERTY(@, "customerKey")), "")}}',
cellButtons: [
{
imageType: "dropdown",
command: "openMultiColumn",
useButtonStyle: true,
}
],
dropDowns: [
{
type: "multiColumn",
option: {
width: 400,
height: 300,
dataSource: selectView,
bindingInfos: [
{ name: "customerKey", size: 100, caption: "Customer Key" },
{ name: "customer", size: "*", caption: "Customer" },
{ name: "category", size: 100, caption: "Category" }
]
}
}
]
};
var myView = salesTable.addView("myView", [
{ value: "saleKey", width: 100, caption: "Sale Key" },
{ value: "salesPerson", width: 150, caption: "Sales Person" },
{ value: "myCustomer", width: 250, caption: "Customer Information", style: multiSelectStyle },
{ value: "address", width: 300, caption: "Address" },
{ value: "stockItem", width: 350, caption: "Stock Item" },
{ value: 'quantity', width: 80,cross: { over: 'package' } } // cross column
]);
myView.fetch().then(function () {
console.log(myView);
// 为集算表设置自定义视图。
tableSheet.setDataView(myView);
});
});
将生成以下输出:
您可以通过侧面板在集算表中设置层叠列头。定义数据源架构时,应在列选项中设置查找属性。
A如下图所示,点击查找字段显示层叠列头,将所需字段拖动到值区域以创建层叠列头。
将生成以下输出: