ant design vue:动态合并表头

本文介绍了一个使用Vue实现的动态表格,能够根据数据自动生成表头并进行合并显示。该表格支持隔行变色,并展示了如何定义列属性和数据源。

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<template>
	<!-- 动态合并表头 -->
	<div>
		<a-table :columns="columns" :data-source="data" bordered :customRow="customRow">
		</a-table>
	</div>

</template>

<script>
	export default {
		name: "dataQuery",
		data() {
			return {
				columns:[],
				data: [{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					},
					{
						date: ' 2021-11-01 ',
						batchNo: ' 1 ',
						x1: 8.1,
						x2: 10.6,
						x3: 9.8,
						x4: 9,
						x5: 9.4,
						x6: 9.3,
						x7: 10.2,
						x8: 11.7,
						avgX: 9.7625,
						r: 3.6
					}
				]
			}
		},
		created() {},
		mounted() {
			this.columns = this.createColumns();
		},
		methods: {
			//设置表格隔行变色
			customRow(record, index) {
				return {
					style: {
						// 字体颜色
						color: record.remarkDesc ? record.remarkDesc.fontColor : '#262626',
						// 行背景色
						'background-color': index % 2 == 0 ? '#FAFAFA' : '#FFFFFF'
					}
				}
			},
			createColumns() {
				// 动态生成表头,合并表头
				// 第一列和第二列
				let column1 = {
					title: '日期',
					dataIndex: 'date',
					key: 'date'
				};
				let column2 = {
					title: '批次号',
					dataIndex: 'batchNo',
			 	key: 'batchNo'
				};
				// 第三列是合并列,把n列合并成一列
				let column3 = [];
				let n = 8;
				for (let i = 1; i <= n; i++) {
					// 第一个的colSpan=n,后面的colSpan=0
					let col = {};
					if(i==1){
						col = {
							title: '测量值',
							dataIndex: 'x' + i,
							key: 'x' + i,
							colSpan: n,
						}
					}else{
						col = {
							title: '测量值',
							dataIndex: 'x' + i,
							key: 'x' + i,
							colSpan: 0,
						}
					}
					
					column3.push(col);
				}
				let column4 = {
					title: '平均值X',
					dataIndex: 'avgX',
					key: 'avgX',
				};
				let column5 = {
					title: '极差R',
					dataIndex: 'r',
					key: 'r',
				};
				// 把第一列和第二列加到第三列的前面,第四列和第五列加到第三列的后面
				column3.unshift(column2);
				column3.unshift(column1);
				column3.push(column4);
				column3.push(column5);
				return column3;
			}
		}
	}
</script>

<style scoped>

</style>

data和n是动态从接口获取的数据,这里只是一个举例而已,所以直接写死在代码里了。

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