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/*
* FileName: lb-column.vue
* Remark: element-column
* Project: lb-element-table
* Author: 任超
* File Created: Tuesday, 19th March 2019 9:58:23 am
* Last Modified: Tuesday, 19th March 2019 10:14:42 am
* Modified By: 任超
*/
<template>
<el-table-column v-bind="$attrs" v-on="$listeners" :prop="column.prop" :label="column.label" :type="column.type"
:index="column.index" :column-key="column.columnKey" :width="column.width" :min-width="column.minWidth"
:fixed="column.fixed" :scoped-slot="column.renderHeader" :sortable="column.sortable || false"
:sort-method="column.sortMethod" :sort-by="column.sortBy" :sort-orders="column.sortOrders"
:resizable="column.resizable || true" :formatter="column.formatter"
:show-overflow-tooltip="column.showOverflowTooltip || false" :align="column.align || align || 'center'"
:header-align="column.headerAlign || headerAlign || column.align || align || 'center'"
:class-name="column.className" :label-class-name="column.labelClassName" :selectable="column.selectable"
:reserve-selection="column.reserveSelection || false" :filters="column.filters"
:filter-placement="column.filterPlacement" :filter-multiple="column.filterMultiple"
:filter-method="column.filterMethod" :filtered-value="column.filteredValue">
<template slot="header" slot-scope="scope">
<lb-render v-if="column.renderHeader" :scope="scope" :render="column.renderHeader">
</lb-render>
<span v-else>{{ scope.column.label }}</span>
</template>
<template slot-scope="scope">
<lb-render :scope="scope" :render="column.render">
</lb-render>
</template>
<template v-if="column.children">
<lb-column v-for="(col, index) in column.children" :key="index" :column="col">
</lb-column>
</template>
</el-table-column>
</template>
<script>
import LbRender from './LbRender'
import forced from './forced.js'
export default {
name: 'LbColumn',
props: {
column: Object,
headerAlign: String,
align: String
},
components: {
LbRender
},
methods: {
setColumn () {
if (this.column.type) {
this.column.renderHeader = forced[this.column.type].renderHeader
this.column.render = this.column.render || forced[this.column.type].renderCell
}
if (this.column.formatter) {
this.column.render = (h, scope) => {
return <span>{scope.column.formatter(scope.row, scope.column, scope.row, scope.$index)}</span>
}
}
if (!this.column.render) {
this.column.render = (h, scope) => {
return <span>{scope.row[scope.column.property]}</span>
}
}
}
},
watch: {
column: {
handler () {
this.setColumn()
},
immediate: true
}
}
}
</script>
/*
* FileName: lb-render.vue
* Remark: 自定义render
* Project: lb-element-table
* Author: 任超
* File Created: Tuesday, 19th March 2019 10:15:30 am
* Last Modified: Tuesday, 19th March 2019 10:15:32 am
* Modified By: 任超
*/
<script>
export default {
name: 'LbRender',
functional: true,
props: {
scope: Object,
render: Function
},
render: (h, ctx) => {
return ctx.props.render ? ctx.props.render(h, ctx.props.scope) : ''
}
}
</script>
export default {
selection: {
renderHeader: (h, { store }) => {
return (
<el-checkbox
disabled={store.states.data && store.states.data.length === 0}
indeterminate={
store.states.selection.length > 0 && !store.states.isAllSelected
}
nativeOn-click={store.toggleAllSelection}
value={store.states.isAllSelected}
/>
)
},
renderCell: (h, { row, column, store, $index }) => {
return (
<el-checkbox
nativeOn-click={event => event.stopPropagation()}
value={store.isSelected(row)}
disabled={
column.selectable
? !column.selectable.call(null, row, $index)
: false
}
on-input={() => {
store.commit('rowSelectedChanged', row)
}}
/>
)
},
sortable: false,
resizable: false
},
index: {
renderHeader: (h, scope) => {
return <span>{scope.column.label || '#'}</span>
},
renderCell: (h, { $index, column }) => {
let i = $index + 1
const index = column.index
if (typeof index === 'number') {
i = $index + index
} else if (typeof index === 'function') {
i = index($index)
}
return <div>{i}</div>
},
sortable: false
},
expand: {
renderHeader: (h, scope) => {
return <span>{scope.column.label || ''}</span>
},
renderCell: (h, { row, store }, proxy) => {
const expanded = store.states.expandRows.indexOf(row) > -1
return (
<div
class={
'el-table__expand-icon ' +
(expanded ? 'el-table__expand-icon--expanded' : '')
}
on-click={e => proxy.handleExpandClick(row, e)}
>
<i class='el-icon el-icon-arrow-right' />
</div>
)
},
sortable: false,
resizable: false,
className: 'el-table__expand-column'
}
}
/*
* FileName: lb-table.vue
* Remark: element table
* Project: lb-element-table
* Author: 任超
* File Created: Tuesday, 19th March 2019 9:55:27 am
* Last Modified: Tuesday, 19th March 2019 9:55:34 am
* Modified By: 任超
*/
<template>
<div :class="['lb-table', customClass]">
<el-table v-if="!heightNumSetting" class="table-fixed" :row-style="{ height: '50px' }" ref="elTable" :border='border'
:row-class-name="tableRowClassName" :show-header='showHeader' @row-click="singleElection" v-bind="$attrs"
:height="tableHeight" v-on="$listeners" :data="data" style="width: 100%"
:span-method="this.merge ? this.mergeMethod : this.spanMethod">
<el-table-column width="45" align="center" v-if="isRadio">
<template slot-scope="scope">
<el-radio v-model="selected" :label="scope.$index"></el-radio>
</template>
</el-table-column>
<el-table-column :label="downTitle" align="center">
<lb-column v-bind="$attrs" v-for="(item, index) in column" :key="index" :column="item">
</lb-column>
</el-table-column>
</el-table>
<br>
<el-pagination class="lb-table-pagination" v-if="pagination" v-bind="$attrs" v-on="$listeners" background
layout="total, prev, pager, next" @current-change="paginationCurrentChange"
:style="{ 'margin-top': paginationTop, 'text-align': paginationAlign }">
</el-pagination>
</div>
</template>
<script>
import LbColumn from './LbColumn'
export default {
props: {
column: Array,
data: Array,
spanMethod: Function,
pagination: {
type: Boolean,
default: true,
},
downExcel: {
type: Boolean,
default: false,
},
downTitle: {
type: String,
default: '标题'
},
isRadio: {
type: Boolean,
default: false,
},
border: {
type: Boolean,
default: false,
},
showHeader: {
type: Boolean,
default: true,
},
paginationTop: {
type: String,
default: '0',
},
heightNum: {
type: Number,
default: 355,
},
maxHeight: {
type: Number,
default: 500
},
heightNumSetting: {
type: Boolean,
default: false,
},
customClass: {
type: String,
default: '',
},
paginationAlign: {
type: String,
default: 'left',
},
merge: Array,
},
components: {
LbColumn,
},
data () {
return {
tableHeight: 'auto',
mergeLine: {},
mergeIndex: {},
selected: ''
}
},
created () {
this.getMergeArr(this.data, this.merge)
this.getHeight()
},
computed: {
dataLength () {
return [] || this.data.length
},
},
methods: {
// 单选
singleElection (row) {
this.selected = this.data.indexOf(row);
},
tableRowClassName ({ row, rowIndex }) {
if (rowIndex % 2 === 1) {
return 'interlaced';
}
},
getHeight () {
if (!this.heightNumSetting) {
let _this = this
if (this.heightNum) {
_this.$nextTick(() => {
window.addEventListener('resize', () => {
_this.tableHeight = _this.calcHeightx(230)
});
_this.tableHeight = _this.calcHeightx(230)
})
} else {
_this.tableHeight = window.innerHeight - _this.heightNum
}
}
},
calcHeightx (value, wappered = true) {
//项目自定义的公共header部分的高度，可忽略
let header = document.querySelector(".from-clues-header").offsetHeight;
//value为动态计算table界面高度时，减去的其他空白部分，需自行在调试找到临界值，剩下的就是table表格的高度（包含header+body部分）
value = value == undefined ? 100 : value;
let res = window.innerHeight - parseInt(header) - value;
if (wappered) {
//通过原生方法，获取dom节点的高度------获取element-ui table表格body的元素
let wapper = window.document.getElementsByClassName('el-table__body-wrapper');
//通过原生方法，获取dom节点的高度------获取element-ui table表格header的元素
let header = window.document.getElementsByClassName('el-table__header-wrapper');
//必须加延时，要不然赋不上去值
setTimeout(() => {
//通过上边计算得到的table高度的value值，减去table表格的header高度，剩下的通过dom节点直接强行赋给table表格的body
wapper[0].style.height = (value - header[0].clientHeight)
}, 100)
}
return res;
},
clearSelection () {
this.$refs.elTable.clearSelection()
},
toggleRowSelection (row, selected) {
this.$refs.elTable.toggleRowSelection(row, selected)
},
toggleAllSelection () {
this.$refs.elTable.toggleAllSelection()
},
toggleRowExpansion (row, expanded) {
this.$refs.elTable.toggleRowExpansion(row, expanded)
},
setCurrentRow (row) {
this.$refs.elTable.setCurrentRow(row)
},
clearSort () {
this.$refs.elTable.clearSort()
},
clearFilter (columnKey) {
this.$refs.elTable.clearFilter(columnKey)
},
doLayout () {
this.$refs.elTable.doLayout()
},
sort (prop, order) {
this.$refs.elTable.sort(prop, order)
},
paginationCurrentChange (val) {
this.$emit('p-current-change', val)
},
getMergeArr (tableData, merge) {
if (!merge) return
this.mergeLine = {}
this.mergeIndex = {}
merge.forEach((item, k) => {
tableData.forEach((data, i) => {
if (i === 0) {
this.mergeIndex[item] = this.mergeIndex[item] || []
this.mergeIndex[item].push(1)
this.mergeLine[item] = 0
} else {
if (data[item] === tableData[i - 1][item]) {
this.mergeIndex[item][this.mergeLine[item]] += 1
this.mergeIndex[item].push(0)
} else {
this.mergeIndex[item].push(1)
this.mergeLine[item] = i
}
}
})
})
},
mergeMethod ({ row, column, rowIndex, columnIndex }) {
const index = this.merge.indexOf(column.property)
if (index > -1) {
const _row = this.mergeIndex[this.merge[index]][rowIndex]
const _col = _row > 0 ? 1 : 0
return {
rowspan: _row,
colspan: _col,
}
}
},
},
watch: {
merge () {
this.getMergeArr(this.data, this.merge)
},
dataLength () {
this.getMergeArr(this.data, this.merge)
}
},
}
</script>
<style rel="stylesheet/scss" scoped lang="scss">
.lb-table {
margin-top: 1px;
.interlaced {
background: #fafcff;
border: 1px solid #ebf2fa;
}
}
/deep/.el-table .cell {
padding-left: 3px;
padding-right: 3px;
}
/deep/.el-radio__label {
display: none;
}
</style>
## 这是对于element-table 进行的二次封装
### 文档地址
<!-- table 已经全局注册不需要每个页面单独注册 -->
[Windows/Mac/Linux 全平台客户端](https://github.liubing.me/lb-element-table/zh/guide/)