[英]How to group multiple fields using rowspan grouping in primeng table
[英]How to show this group by json in PrimeNG table?
{
"TN 47 AS 7269": [
{
"date": "2020-06-11",
"paramValue": "Fuel consumed",
"VehicleNumber": "TN 47 AS 7269",
"value": "100"
},
{
"date": "2020-06-11",
"paramValue": "Engine Oil",
"VehicleNumber": "TN 47 AS 7269",
"value": "200"
},
{
"date": "2020-06-11",
"paramValue": "Coolent Oil",
"VehicleNumber": "TN 47 AS 7269",
"value": "300"
}
],
"AN 32 GB 3572": [
{
"date": "2020-06-11",
"paramValue": "Fuel consumed",
"VehicleNumber": "AN 32 GB 3572",
"value": "300"
},
{
"date": "2020-06-11",
"paramValue": "Engine Oil",
"VehicleNumber": "AN 32 GB 3572",
"value": "400"
},
{
"date": "2020-06-11",
"paramValue": "Coolent Oil",
"VehicleNumber": "AN 32 GB 3572",
"value": "600"
}
]
}
我需要使用 PrimeNG 在相應的列中綁定車輛注冊號和值。 如果我傳遞一個普通的數組列表意味着數據顯示良好。 但是這個json是按后端的車輛登記號碼分組的。 我不知道該怎么做。 我能得到這方面的幫助嗎?
HTML:
<p-table #tt [columns]="cols" [value]="vehicles" [rows]="10" [paginator]="true" [showCurrentPageReport]="true"
currentPageReportTemplate="Showing {first} to {last} of {totalRecords} entries" [rowsPerPageOptions]="[10,25,50]">
// For Column Header:
<ng-template pTemplate="header" let-columns>
<tr><th style="width: 10%;" class="text-center">S.No</th>
<th *ngFor="let col of columns" [style.width]="col.width" [pSortableColumn]="col.field" class="text-center">
{{col.header}}
<p-sortIcon *ngIf="col.field" [field]="col.field" ariaLabel="Activate to sort"
ariaLabelDesc="Activate to sort in descending order"
ariaLabelAsc="Activate to sort in ascending order"></p-sortIcon>
</th>
</tr>
</ng-template>
// For Table Value:
<ng-template pTemplate="body" let-rowData let-columns="columns" let-rowIndex="rowIndex">
<tr>
<td class="text-center">{{rowIndex+1}}</td>
<td *ngFor="let col of columns" class="text-center">
<div *ngIf="col.field">
<span [ngSwitch]="col.field">
<span *ngSwitchDefault>{{rowData|field:col}}</span>
</span>
</div>
</td>
</tr>
</ng-template>
</p-table>
TS:
cols = [
{ field: 'VehicleNumber', header: 'Vehicle Registration Number' },
{ field: 'value', header: 'Fuel Consumed' },
{ field: 'value', header: 'Engine Oil' },
{ field: 'value', header: 'Coolent Oil' },
];
您必須像這樣從后端轉換 JSON 數據:
this.vehicles = Object.keys(data).map(key => {
return {
vehicleNumber: key,
fuelConsumed: data[key][0].value,
engineOil: data[key][1].value,
coolentOil: data[key][2].value
};
});
你的cols
定義很奇怪,我寧願這樣定義:
this.cols = [
{ field: "vehicleNumber", header: "Vehicle Registration Number" },
{ field: "fuelConsumed", header: "Fuel Consumed" },
{ field: "engineOil", header: "Engine Oil" },
{ field: "coolentOil", header: "Coolent Oil" }
];
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