Javascript Fixed-data-table-2-React不更新表格单元格
我已经完成了使用自定义单元格类型的固定数据表的实现 我的文本单元格可以编辑,它们包含的状态仅包含值属性 然后我创建了onBlur事件,该事件在输入失去焦点并更新表状态上的数据后触发。 这一切都很好 预期行为/当前行为 但是,当我的数据从分页或排序事件更改时,我的单元格不会用新值更新状态,因为我正在构造函数上设置状态,它只运行一次 复制步骤(针对bug)Javascript Fixed-data-table-2-React不更新表格单元格,javascript,reactjs,fixed-data-table,Javascript,Reactjs,Fixed Data Table,我已经完成了使用自定义单元格类型的固定数据表的实现 我的文本单元格可以编辑,它们包含的状态仅包含值属性 然后我创建了onBlur事件,该事件在输入失去焦点并更新表状态上的数据后触发。 这一切都很好 预期行为/当前行为 但是,当我的数据从分页或排序事件更改时,我的单元格不会用新值更新状态,因为我正在构造函数上设置状态,它只运行一次 复制步骤(针对bug) var Table=FixedDataTable.Table; var Column=FixedDataTable.Column; var Ce
var Table=FixedDataTable.Table;
var Column=FixedDataTable.Column;
var Cell=FixedDataTable.Cell;
//自定义标题单元格
var MyHeaderCell=React.createClass({
mixin:[React.addons.PureRenderMixin],
render:function(){
返回列:{this.props.columnKey};
}
})
//自定义单元格
var MyCell=React.createClass({
mixin:[React.addons.PureRenderMixin],
getInitialState:函数(){
返回{
值:this.props.data[this.props.rowIndex][this.props.columnKey]
};
},
render:function(){
返回单元格:{this.state.value};
}
})
var MyTable=React.createClass({
mixin:[React.addons.PureRenderMixin],
render:function(){
var width=this.props.width;
var height=this.props.height;
var数据=this.props.data;
返回(
{this.createColumns()}
);
},
createColumns:function(){
var width=this.props.width;
var数据=this.props.data;
var columnCount=数据[0]。长度;
var列=[];
for(设i=0;i
单击ChangeData,不会发生任何事情,但如果更改以下代码:
{this.state.value}
到
this.props.data[this.props.rowIndex][this.props.columnKey]
它起作用了
如何重新构建单元,使状态通过构造函数获得新值?您面临的问题是,组件已安装,状态已更改,但状态再也不会更改。添加
componentWillReceiveProps
以更新传递新道具时的状态将解决您的问题
这里
var Table=FixedDataTable.Table;
var Column=FixedDataTable.Column;
var Cell=FixedDataTable.Cell;
//自定义标题单元格
var MyHeaderCell=React.createClass({
mixin:[React.addons.PureRenderMixin],
render:function(){
返回列:{this.props.columnKey};
}
})
//自定义单元格
var MyCell=React.createClass({
mixin:[React.addons.PureRenderMixin],
getInitialState:函数(){
返回{
值:this.props.data[this.props.rowIndex][this.props.columnKey]
};
},
组件将接收道具(下一步){
this.setState({value:nextrops.data[nextrops.rowIndex][nextrops.columnKey]});
},
render:function(){
返回单元格:{this.state.value};
}
})
var MyTable=React.createClass({
mixin:[React.addons.PureRenderMixin],
render:function(){
返回(
{this.createColumns()}
);
},
createColumns:function(){
var列=[];
for(设i=0;i
我移动了一些代码,只是为了使它与React保持一致
我强烈建议你看一看这是工人,谢谢!我还在学习react api。
var Table = FixedDataTable.Table;
var Column = FixedDataTable.Column;
var Cell = FixedDataTable.Cell;
//Custom header cell
var MyHeaderCell = React.createClass({
mixins: [React.addons.PureRenderMixin],
render: function() {
return <Cell {...this.props}>Column: {this.props.columnKey}</Cell>;
}
})
//Custom cell
var MyCell = React.createClass({
mixins: [React.addons.PureRenderMixin],
getInitialState: function() {
return {
value: this.props.data[this.props.rowIndex][this.props.columnKey]
};
},
render: function() {
return <Cell {...this.props}>Cell: {this.state.value}</Cell>;
}
})
var MyTable = React.createClass({
mixins: [React.addons.PureRenderMixin],
render: function() {
var width = this.props.width;
var height = this.props.height;
var data = this.props.data;
return (
<Table
rowHeight={50}
rowsCount={data.length}
width={width}
height={height}
headerHeight={50}
>
{this.createColumns()}
</Table>
);
},
createColumns: function() {
var width = this.props.width;
var data = this.props.data;
var columnCount = data[0].length;
var columns = [];
for (let i = 0; i < columnCount; i++) {
columns.push(
<Column
key={i}
columnKey={i}
header={<MyHeaderCell />}
cell={<MyCell data={data} />}
width={width / columnCount}
/>
)
}
return columns;
}
})
var container = document.getElementById('container');
// Table data as a list of array.
var myData = [
['a1', 'b1', 'c1'],
['a2', 'b2', 'c2'],
['a3', 'b3', 'c3'],
// .... and more
];
function changeData() {
var temp = myData.slice();
debugger;
var iR = 0;
var newData = [
['x1', 'k1', 'w1'],
['x2', 'k2', 'w2'],
['x3', 'k3', 'w3'],
// .... and more
];
myData = newData;
render();
}
// Render your table
function render() {
var height = container.offsetHeight;
var width = container.offsetWidth;
ReactDOM.render(<div><button onClick={changeData}>Change Data</button><MyTable height={height} width={width} data={myData} /></div>,
document.getElementById('container'));
}
window.onresize = render;
render();
var Table = FixedDataTable.Table;
var Column = FixedDataTable.Column;
var Cell = FixedDataTable.Cell;
//Custom header cell
var MyHeaderCell = React.createClass({
mixins: [React.addons.PureRenderMixin],
render: function() {
return <Cell {...this.props}>Column: {this.props.columnKey}</Cell>;
}
})
//Custom cell
var MyCell = React.createClass({
mixins: [React.addons.PureRenderMixin],
getInitialState: function() {
return {
value: this.props.data[this.props.rowIndex][this.props.columnKey]
};
},
componentWillReceiveProps(nextProps){
this.setState({ value: nextProps.data[nextProps.rowIndex][nextProps.columnKey]});
},
render: function() {
return <Cell {...this.props}>Cell: {this.state.value}</Cell>;
}
})
var MyTable = React.createClass({
mixins: [React.addons.PureRenderMixin],
render: function() {
return (
<Table
rowHeight={50}
rowsCount={this.props.data.length}
width={this.props.width}
height={this.props.height}
headerHeight={50}
>
{this.createColumns()}
</Table>
);
},
createColumns: function() {
var columns = [];
for (let i = 0; i < this.props.data[0].length; i++) {
columns.push(
<Column
key={i}
columnKey={i}
rowIndex={this.props.data[0]}
header={<MyHeaderCell />}
cell={<MyCell data={this.props.data} />}
width={this.props.width / this.props.data[0].length}
/>
)
}
return columns;
}
})
var Container = React.createClass({
getInitialState: function() {
return {
iR: [
['a1', 'b1', 'c1'],
['a2', 'b2', 'c2'],
['a3', 'b3', 'c3'],
]
};
},
changeData: function() {
var newiR = [
['x1', 'k1', 'w1'],
['x2', 'k2', 'w2'],
['x3', 'k3', 'w3'],
];
this.setState({ iR: newiR });
},
render: function() {
return (
<div>
<button onClick={this.changeData}>Change Data</button>
<MyTable height={this.props.height} width={this.props.width} data={this.state.iR} />
</div>
);
}
})
var container = document.getElementById('container');
// Render your table
function render() {
var height = container.offsetHeight;
var width = container.offsetWidth;
ReactDOM.render(<Container height={height} width={width}/>,
document.getElementById('container'));
}
window.onresize = render;
render();