源代码
<template>
<div>
<h2>Pagination - Lazy Load</h2>
<div style="margin-bottom:10px">
<Label for="c1">Pager on: </Label>
<ComboBox inputId="c1" style="width:120px"
:data="pageOptions"
v-model="pagePosition"
:editable="false"
:panelStyle="{height:'auto'}">
</ComboBox>
</div>
<DataGrid style="height:250px"
:pagination="true"
:lazy="true"
:data="data"
:total="total"
:loading="loading"
:pageNumber="pageNumber"
:pageSize="pageSize"
:pagePosition="pagePosition"
@pageChange="onPageChange($event)">
<GridColumn field="inv" title="Inv No"></GridColumn>
<GridColumn field="name" title="Name"></GridColumn>
<GridColumn field="amount" title="Amount" align="right"></GridColumn>
<GridColumn field="price" title="Price" align="right"></GridColumn>
<GridColumn field="cost" title="Cost" align="right"></GridColumn>
<GridColumn field="note" title="Note"></GridColumn>
</DataGrid>
</div>
</template>
<script>
export default {
data() {
return {
total: 0,
pageNumber: 1,
pageSize: 20,
data: [],
loading: false,
pagePosition: "bottom",
pageOptions: [
{ value: "bottom", text: "Bottom" },
{ value: "top", text: "Top" },
{ value: "both", text: "Both" }
]
};
},
created() {
this.loadPage(this.pageNumber, this.pageSize);
},
methods: {
onPageChange(event) {
this.loadPage(event.pageNumber, event.pageSize);
},
loadPage(pageNumber, pageSize) {
this.loading = true;
setTimeout(() => {
let result = this.getData(pageNumber, pageSize);
this.total = result.total;
this.pageNumber = result.pageNumber;
this.data = result.rows;
this.loading = false;
}, 1000);
},
getData(pageNumber, pageSize) {
let total = 100000;
let data = [];
let start = (pageNumber - 1) * pageSize;
for (let i = start + 1; i <= start + pageSize; i++) {
let amount = Math.floor(Math.random() * 1000);
let price = Math.floor(Math.random() * 1000);
data.push({
inv: "Inv No " + i,
name: "Name " + i,
amount: amount,
price: price,
cost: amount * price,
note: "Note " + i
});
}
return {
total: total,
pageNumber: pageNumber,
pageSize: pageSize,
rows: data
};
}
}
};
</script>