vue+render+jsx实现可编辑动态多级表头table的实例代码
最近项目需要实现可编辑的动态多级表头表格,看了两天的文章,始终没有找到我想要的效果,在了解了render+jsx
的基础用法后,自己基于element-ui
封装了一个,数据格式参考element-ui table的数据。实现如下:
1.scoresTable
<script>
import scoresColumn from "./scoresColumn";
export default {
components: {
scoresColumn
},
render: function(h) {
return <div className="table-control">
<el-table ref="table"
size="small"
{...{attrs: {data:this.tableData}}}
border
>
{
this.tableTitles.map(title => {
return <scoresColumn on-dataChange={this.dataChange} {...{attrs: {column:title,unitScores: this.unitScores}}}></scoresColumn>
})
}
</el-table>
</div>;
},
props: {
tableTitles: {
type: Array,
default: () => []
},
tableData: {
type: Array,
default: () => []
},
unitScores: {
type: Object,
default: () => {}
}
},
methods: {
dataChange(id) {
this.$emit('dataChange', id);
}
},
}
</script>
<style>
.el-table th, .el-table td {
text-align: center;
}
</style>
2.scoresColumn
<script>
export default {
data() {
return {
style: {
'min-width': "70",
'resizable': true,
'show-overflow-tooltip': true
},
}
},
props: {
column: {
type: Object
},
unitScores: {
type: Object,
default: () => {}
}
},
name: "scoresColumn",
render: function (h) {
let scopedSlots = {
default: (scope) => {
let col = scope.column.property;
let value = scope.row[col];
return <div id={col+scope.$index} >
<p onClick={this.clickHandle}>{value}</p>
</div>;
}
};
if (this.column.children === undefined)
if (this.column.label == '序号' || this.column.label == '姓名') {
return <el-table-column fixed
{...{style: this.style, scopedSlots: {
default: (scope) => {
let value = scope.row[scope.column.property];
return <p>{value}</p>;
}
}}}
prop={this.column.prop} label={this.column.label}>
</el-table-column>
}else {
return <el-table-column
{...{style: this.style, scopedSlots: {
default: (scope) => {
let value = scope.row[scope.column.property];
if (/\((?=\d)|(^总计$)/g.test(this.column.label)) {
let col = scope.column.property;
return <div id={col+scope.$index} >
<p onClick={this.clickHandle}>{value}</p>
</div>;
}else return <p>{value}</p>;
}
}}}
prop={this.column.prop} label={this.column.label}>
</el-table-column>
}
let buildTitles = (childList) => {
let children = [];
childList.map(child => {
if (child.children != undefined && child.children.length > 0) {
children.push(<el-table-column {...{style: this.style}} label={child.label}>
{buildTitles(child.children)}
</el-table-column>)
} else {
children.push(
<el-table-column {...{style: this.style, scopedSlots: scopedSlots}}
label={child.label} prop={child.prop}>
</el-table-column>)
}
});
return children;
};
return <el-table-column
{...{style: this.style}}
label={this.column.label}
prop={this.column.prop}>
{buildTitles(this.column.children)}
</el-table-column>;
},
methods: {
blurHandler(e) {
let parent = e.target.parentNode;
let child = parent.firstElementChild;
let p = document.createElement('p');
let value = child.value.match(/^\d*(\.{1}\d+)?/)[0];
if (value == '' || value == null) {
value = 0;
}
p.innerHTML = value;
p.addEventListener('click', this.clickHandle, false);
child.replaceWith(p);
this.$emit('dataChange', parent.id);
},
clickHandle(e) {
let parent = e.target.parentNode;
let child = parent.firstElementChild;
let input = document.createElement('input');
input.style.lineHeight = '23px';
input.style.textAlign = 'center';
input.style.fontSize = '12px';
input.style.height = '23px'
input.style.width = '100%';
input.value = child.innerHTML;
input.addEventListener('blur', this.blurHandler, true);
input.addEventListener('keyup', this.keyUpHandler, false);
child.replaceWith(input);
input.focus();
},
keyUpHandler(e) {
let input = e.target;
let parent = input.parentNode;
let property = parent.id.replace(/\d/g, '');
let value = input.value.replace(/[^\d\.]/g,'');
if (Math.min(this.unitScores[property],value) != value) {
value = this.unitScores[property];
}
input.value = value;
}
}
}
</script>
<style scoped>
</style>
3.实现效果
总结
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