源代码
import React from 'react';
import { DataGrid, GridColumn, CheckBox } from 'rc-easyui';
class App extends React.Component {
constructor(props) {
super(props);
this.state = {
allChecked: false,
rowClicked: false,
data: this.getData()
}
}
getData() {
return [
{ "code": "FI-SW-01", "name": "Koi", "unitcost": 10.00, "status": "P", "listprice": 36.50, "attr": "Large", "itemid": "EST-1" },
{ "code": "K9-DL-01", "name": "Dalmation", "unitcost": 12.00, "status": "P", "listprice": 18.50, "attr": "Spotted Adult Female", "itemid": "EST-10" },
{ "code": "RP-SN-01", "name": "Rattlesnake", "unitcost": 12.00, "status": "P", "listprice": 38.50, "attr": "Venomless", "itemid": "EST-11" },
{ "code": "RP-SN-01", "name": "Rattlesnake", "unitcost": 12.00, "status": "P", "listprice": 26.50, "attr": "Rattleless", "itemid": "EST-12" },
{ "code": "RP-LI-02", "name": "Iguana", "unitcost": 12.00, "status": "P", "listprice": 35.50, "attr": "Green Adult", "itemid": "EST-13" },
{ "code": "FL-DSH-01", "name": "Manx", "unitcost": 12.00, "status": "P", "listprice": 158.50, "attr": "Tailless", "itemid": "EST-14" },
{ "code": "FL-DSH-01", "name": "Manx", "unitcost": 12.00, "status": "P", "listprice": 83.50, "attr": "With tail", "itemid": "EST-15" },
{ "code": "FL-DLH-02", "name": "Persian", "unitcost": 12.00, "status": "P", "listprice": 23.50, "attr": "Adult Female", "itemid": "EST-16" },
{ "code": "FL-DLH-02", "name": "Persian", "unitcost": 12.00, "status": "P", "listprice": 89.50, "attr": "Adult Male", "itemid": "EST-17" },
{ "code": "AV-CB-01", "name": "Amazon Parrot", "unitcost": 92.00, "status": "P", "listprice": 63.50, "attr": "Adult Male", "itemid": "EST-18" }
]
}
handleRowCheck(row, checked) {
let data = this.state.data.slice();
let index = this.state.data.indexOf(row);
data.splice(index, 1, Object.assign({}, row, { selected: checked }));
let checkedRows = data.filter(row => row.selected);
this.setState({
allChecked: data.length === checkedRows.length,
rowClicked: true,
data: data
}, () => {
this.setState({ rowClicked: false })
});
}
handleAllCheck(checked) {
if (this.state.rowClicked) {
return;
}
let data = this.state.data.map(row => {
return Object.assign({}, row, { selected: checked })
});
this.setState({
allChecked: checked,
data: data
})
}
render() {
const checkedItems = this.state.data.filter(row => row.selected).map(row => row.itemid);
return (
<div>
<h2>Checkbox Selection</h2>
<DataGrid data={this.state.data} style={{ height: 250 }}>
<GridColumn width={50} align="center"
field="ck"
render={({ row }) => (
<CheckBox checked={row.selected} onChange={(checked) => this.handleRowCheck(row, checked)}></CheckBox>
)}
header={() => (
<CheckBox checked={this.state.allChecked} onChange={(checked) => this.handleAllCheck(checked)}></CheckBox>
)}
/>
<GridColumn field="itemid" title="Item ID"></GridColumn>
<GridColumn field="name" title="Name"></GridColumn>
<GridColumn field="listprice" title="List Price" align="right"></GridColumn>
<GridColumn field="unitcost" title="Unit Cost" align="right"></GridColumn>
<GridColumn field="attr" title="Attribute" width="30%"></GridColumn>
<GridColumn field="status" title="Status" align="center"></GridColumn>
</DataGrid>
<p>Checked Items: {checkedItems.join(', ')}</p>
</div>
);
}
}
export default App;