react 表格怎么增加

//子组件class EditableCell extends React.Component {
    getInput = () => {
        const { inputType } = this.props;
        let i = 1
        if (inputType === 'rq') { //可根据不同的inputType来显示不同Form元素，inputType来源于父组件
            return <DatePicker format="YYYY-MM-DD" />;
        }else {
            return <Input />
        }
    };
    renderCell = ({ getFieldDecorator }) => {
        const {
            editing,
            dataindex,
            title,
            record,
            children,
            ...restProps        } = this.props;
        // console.log(record)
        return (
            <td {...restProps}>
                {editing ? ( //editing使用父组件传过来的值，判断是否为编辑状态
                    <FormItem style={{ margin: 0 }}>
                        {getFieldDecorator(dataIndex, {
                            rules: [{
                                required: dataIndex === 'bz' || dataIndex === 'id' ? false : true,
                                message: `请输入!`,
                            },
                            ],
                            // initialValue: dataIndex  &&  record[dataIndex] ,
                            initialValue: dataIndex && dataIndex === 'rq' ? (record[dataIndex] ? moment(record[dataIndex]) : null) : record[dataIndex]
                        })(this.getInput())}
                    </FormItem>
                ) : (
                        children                    )}
            </td>
        );
    };
    render() {
        return <EditableContext.Consumer>{this.renderCell}</EditableContext.Consumer>;
    }}

class Schedule extends Component {
	state = {
       data: [],
       editingKey: '',
       dataSource: {}, 
    }//Table渲染的columns，这里只写出三列举例子，在render方法内会重组该数组
	columns = [
	    {
	        className: "columnHead",
	        title: '序号',
	        dataIndex: 'id',
	        key: 'id',
	        width: 60,
	        align: 'center',
	        render: (text, row, index) => <span>{index + 1}</span>
	    },
	    {
	        className: "columnHead",
	        title: '日期',
	        dataIndex: 'rq',
	        key: 'rq',
	        align: 'center',
	        width:100,
	        editable: true,//editable: true是必须加的，哪一列需要编辑就加在哪列
	    },
	    {
	        className: "columnHead",
	        title: '从何地至何地',
	        dataIndex: 'hdzhd',
	        key: 'hdzhd',
	        align: 'center',
	        width:120,
	        editable: true,
	    },
	    {   //该列为操作列，包含编辑、删除、取消、保存按钮，下面代码中的每个方法都在此处定义
			className: "columnHead",
			title: '操作',
			align: 'center',
			render: (text, record) => {
				const { editingKey } = this.state;
				const editable = this.isEditing(record);
				return editable ? (
					<span>
						<Popconfirm title="确定取消吗?" onConfirm={() => this.cancel(record.id)}> //添加了二次确实提醒
							<a style={{ marginRight: 8 }} >取消</a>
						</Popconfirm>
						<Divider type="vertical" />
						<EditableContext.Consumer>  //保存按钮要用EditableContext包起来
							{(form) => (
								 <a onClick={() => this.save(form, record.id, record)} style={{ marginRight: 8 }} >保存</a>
							 )}
						 </EditableContext.Consumer>
		
					 </span>
				 ) : (
					 <span>
						 <a disabled={editingKey !== ''} onClick={() => this.edit(record.id)}>编辑</a>
						 <Divider type="vertical" />
						 <Popconfirm title="确定删除吗?" onConfirm={() => this.delete(record.id)}>
							 <a>删除</a>
						 </Popconfirm>
					 </span>
					 );
			}
		}
	]
	render(){
		const components = { //在此处引入可编辑的单元格子组件
			body: {
				cell: EditableCell,
			},
		};
		//重新处理了一下Table的columns
		const columns = this.columns.map((col) => {
			if (!col.editable) {
				return col;
			}
			return {
				...col,
				//此处的数据会传给子组件
				onCell: (record) => ({
					record,
					inputType: col.dataIndex,
					dataIndex: col.dataIndex,
					title: col.title,
					editing: this.isEditing(record),
				}),
			};
		});
		return(
			<EditableContext.Provider value={form}>
				<Table
				   components={components}
				   size="small"
				   style={{ marginTop: 16 }}
				   bordered
				   rowKey={(record) => record.id}
				   dataSource={data}
				   columns={columns}
				   scroll={{ x: "calc(620px + 10%)", y: WinHeight - 580 }}
				   pagination={false}
				   footer={() => <Button type="dashed" style={{ width: '100%' }} onClick={this.handleAdd}>+ 新增</Button>}
				/>
			</EditableContext.Provider>
		)
	}}

handleAdd = () => { //该方法在Table标签内的footer内定义
	const { data, editingKey } = this.state;
	let newData = data;
	const id = new Date().toString();
	if (newData.length === 0) {
		newData.push({
			id,
			rq: '',
			hdzhd: '',
			gzdd: '',
			nfwdwfdw: '',
			gznr: '',
			bz: ''
		})
	} else {
		if (editingKey !== '') {  //如果上一条还处于编辑状态，不可新增
			message.error('请先保存');
			return;
		}
		const row = {
			id,
			rq: '',
			hdzhd: '',
			gzdd: '',
			nfwdwfdw: '',
			gznr: '',
			bz: ''
		};
		newData.splice(data.length, 1, row);
	}
	this.setState({ data: newData, editingKey: id });};

save(form, key, record) {
	const { wsCgtzPjxx, data } = this.state;
	form.validateFields((error, row) => {
		if (error) {
			return;
		}
		const { data } = this.state;
		const newData = [...data];
		row.rq = moment(row.rq).format('YYYY-MM-DD') //如果有日期选择框，要用format转一下
		let dataobj = { //接口请求参数，只写了几个
			rq: row.rq,
			hdzhd: row.hdzhd,
			gzdd: row.gzdd,
		}
		const index = newData.findIndex((item) => key === item.id);
		if (index > -1) {
			const item = newData[index];
			newData.splice(index, 1, {
				...item,
				...row,
			});
			Http.post('单条数据保存接口调用').then(res => {
				if (res.code === 200) {
					this.initData();//保存后重新获取了一下表格数据
				}
			})
			this.setState({ data: newData, editingKey: '' });
		} else {
			newData.push(row);
			http.post(调用接口, dataobj).then(res => {
				if (res.code === 200) {
					this.initData()
				}
			})
			this.setState({ data: newData, editingKey: '' });
		}
	});}

cancel = (key) => {
	if (this.state.isedit) {
		this.setState({ editingKey: '' });
	} else {
		if (key.length > 6) {
			const { data } = this.state;
			const newData = data;
			newData.splice(data.length - 1, 1);
			this.setState({ data: newData, editingKey: key });
		}
		this.setState({ editingKey: '' });
	}};

edit = (key) => {
	this.setState({ editingKey: key, isedit: true });//让单元格变为编辑状态};

delete = (key) => {
	const { data } = this.state;
	const newData = data;
	const index = newData.findIndex((item) => key === item.id);
	http.get('调用删除接口', { id: key }).then(res => {
		this.initData()
	})
	newData.splice(index, 1);
	this.setState({ data: newData, editingKey: '' });};