integrated_traffic_uniapp/node_modules/@dcloudio/uni-ui/lib/uni-table/uni-table.vue

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2024-02-06 15:39:22 +08:00
<template>
<view class="uni-table-scroll" :class="{ 'table--border': border, 'border-none': !noData }">
<!-- #ifdef H5 -->
<table class="uni-table" border="0" cellpadding="0" cellspacing="0" :class="{ 'table--stripe': stripe }" :style="{ 'min-width': minWidth + 'px' }">
<slot></slot>
<tr v-if="noData" class="uni-table-loading">
<td class="uni-table-text" :class="{ 'empty-border': border }">{{ emptyText }}</td>
</tr>
<view v-if="loading" class="uni-table-mask" :class="{ 'empty-border': border }"><div class="uni-table--loader"></div></view>
</table>
<!-- #endif -->
<!-- #ifndef H5 -->
<view class="uni-table" :style="{ 'min-width': minWidth + 'px' }" :class="{ 'table--stripe': stripe }">
<slot></slot>
<view v-if="noData" class="uni-table-loading">
<view class="uni-table-text" :class="{ 'empty-border': border }">{{ emptyText }}</view>
</view>
<view v-if="loading" class="uni-table-mask" :class="{ 'empty-border': border }"><div class="uni-table--loader"></div></view>
</view>
<!-- #endif -->
</view>
</template>
<script>
/**
* Table 表格
* @description 用于展示多条结构类似的数据
* @tutorial https://ext.dcloud.net.cn/plugin?id=3270
* @property {Boolean} border 是否带有纵向边框
* @property {Boolean} stripe 是否显示斑马线
* @property {Boolean} type 是否开启多选
* @property {String} emptyText 空数据时显示的文本内容
* @property {Boolean} loading 显示加载中
* @event {Function} selection-change 开启多选时当选择项发生变化时会触发该事件
*/
export default {
name: 'uniTable',
options: {
virtualHost: true
},
emits:['selection-change'],
props: {
data: {
type: Array,
default() {
return []
}
},
// 是否有竖线
border: {
type: Boolean,
default: false
},
// 是否显示斑马线
stripe: {
type: Boolean,
default: false
},
// 多选
type: {
type: String,
default: ''
},
// 没有更多数据
emptyText: {
type: String,
default: '没有更多数据'
},
loading: {
type: Boolean,
default: false
},
rowKey: {
type: String,
default: ''
}
},
data() {
return {
noData: true,
minWidth: 0,
multiTableHeads: []
}
},
watch: {
loading(val) {},
data(newVal) {
let theadChildren = this.theadChildren
let rowspan = 1
if (this.theadChildren) {
rowspan = this.theadChildren.rowspan
}
// this.trChildren.length - rowspan
this.noData = false
// this.noData = newVal.length === 0
}
},
created() {
// 定义tr的实例数组
this.trChildren = []
this.thChildren = []
this.theadChildren = null
this.backData = []
this.backIndexData = []
},
methods: {
isNodata() {
let theadChildren = this.theadChildren
let rowspan = 1
if (this.theadChildren) {
rowspan = this.theadChildren.rowspan
}
this.noData = this.trChildren.length - rowspan <= 0
},
/**
* 选中所有
*/
selectionAll() {
let startIndex = 1
let theadChildren = this.theadChildren
if (!this.theadChildren) {
theadChildren = this.trChildren[0]
} else {
startIndex = theadChildren.rowspan - 1
}
let isHaveData = this.data && this.data.length > 0
theadChildren.checked = true
theadChildren.indeterminate = false
this.trChildren.forEach((item, index) => {
if (!item.disabled) {
item.checked = true
if (isHaveData && item.keyValue) {
const row = this.data.find(v => v[this.rowKey] === item.keyValue)
if (!this.backData.find(v => v[this.rowKey] === row[this.rowKey])) {
this.backData.push(row)
}
}
if (index > (startIndex - 1) && this.backIndexData.indexOf(index - startIndex) === -1) {
this.backIndexData.push(index - startIndex)
}
}
})
// this.backData = JSON.parse(JSON.stringify(this.data))
this.$emit('selection-change', {
detail: {
value: this.backData,
index: this.backIndexData
}
})
},
/**
* 用于多选表格切换某一行的选中状态如果使用了第二个参数则是设置这一行选中与否selected true 则选中
*/
toggleRowSelection(row, selected) {
// if (!this.theadChildren) return
row = [].concat(row)
this.trChildren.forEach((item, index) => {
// if (item.keyValue) {
const select = row.findIndex(v => {
//
if (typeof v === 'number') {
return v === index - 1
} else {
return v[this.rowKey] === item.keyValue
}
})
let ischeck = item.checked
if (select !== -1) {
if (typeof selected === 'boolean') {
item.checked = selected
} else {
item.checked = !item.checked
}
if (ischeck !== item.checked) {
this.check(item.rowData||item, item.checked, item.rowData?item.keyValue:null, true)
}
}
// }
})
this.$emit('selection-change', {
detail: {
value: this.backData,
index:this.backIndexData
}
})
},
/**
* 用于多选表格清空用户的选择
*/
clearSelection() {
let theadChildren = this.theadChildren
if (!this.theadChildren) {
theadChildren = this.trChildren[0]
}
// if (!this.theadChildren) return
theadChildren.checked = false
theadChildren.indeterminate = false
this.trChildren.forEach(item => {
// if (item.keyValue) {
item.checked = false
// }
})
this.backData = []
this.backIndexData = []
this.$emit('selection-change', {
detail: {
value: [],
index: []
}
})
},
/**
* 用于多选表格切换所有行的选中状态
*/
toggleAllSelection() {
let list = []
let startIndex = 1
let theadChildren = this.theadChildren
if (!this.theadChildren) {
theadChildren = this.trChildren[0]
} else {
startIndex = theadChildren.rowspan - 1
}
this.trChildren.forEach((item, index) => {
if (!item.disabled) {
if (index > (startIndex - 1) ) {
list.push(index-startIndex)
}
}
})
this.toggleRowSelection(list)
},
/**
* 选中\取消选中
* @param {Object} child
* @param {Object} check
* @param {Object} rowValue
*/
check(child, check, keyValue, emit) {
let theadChildren = this.theadChildren
if (!this.theadChildren) {
theadChildren = this.trChildren[0]
}
let childDomIndex = this.trChildren.findIndex((item, index) => child === item)
if(childDomIndex < 0){
childDomIndex = this.data.findIndex(v=>v[this.rowKey] === keyValue) + 1
}
const dataLen = this.trChildren.filter(v => !v.disabled && v.keyValue).length
if (childDomIndex === 0) {
check ? this.selectionAll() : this.clearSelection()
return
}
if (check) {
if (keyValue) {
this.backData.push(child)
}
this.backIndexData.push(childDomIndex - 1)
} else {
const index = this.backData.findIndex(v => v[this.rowKey] === keyValue)
const idx = this.backIndexData.findIndex(item => item === childDomIndex - 1)
if (keyValue) {
this.backData.splice(index, 1)
}
this.backIndexData.splice(idx, 1)
}
const domCheckAll = this.trChildren.find((item, index) => index > 0 && !item.checked && !item.disabled)
if (!domCheckAll) {
theadChildren.indeterminate = false
theadChildren.checked = true
} else {
theadChildren.indeterminate = true
theadChildren.checked = false
}
if (this.backIndexData.length === 0) {
theadChildren.indeterminate = false
}
if (!emit) {
this.$emit('selection-change', {
detail: {
value: this.backData,
index: this.backIndexData
}
})
}
}
}
}
</script>
<style lang="scss">
$border-color: #ebeef5;
.uni-table-scroll {
width: 100%;
/* #ifndef APP-NVUE */
overflow-x: auto;
/* #endif */
}
.uni-table {
position: relative;
width: 100%;
border-radius: 5px;
// box-shadow: 0px 0px 3px 1px rgba(0, 0, 0, 0.1);
background-color: #fff;
/* #ifndef APP-NVUE */
box-sizing: border-box;
display: table;
overflow-x: auto;
::v-deep .uni-table-tr:nth-child(n + 2) {
&:hover {
background-color: #f5f7fa;
}
}
::v-deep .uni-table-thead {
.uni-table-tr {
// background-color: #f5f7fa;
&:hover {
background-color:#fafafa;
}
}
}
/* #endif */
}
.table--border {
border: 1px $border-color solid;
border-right: none;
}
.border-none {
/* #ifndef APP-NVUE */
border-bottom: none;
/* #endif */
}
.table--stripe {
/* #ifndef APP-NVUE */
::v-deep .uni-table-tr:nth-child(2n + 3) {
background-color: #fafafa;
}
/* #endif */
}
/* 表格加载、无数据样式 */
.uni-table-loading {
position: relative;
/* #ifndef APP-NVUE */
display: table-row;
/* #endif */
height: 50px;
line-height: 50px;
overflow: hidden;
box-sizing: border-box;
}
.empty-border {
border-right: 1px $border-color solid;
}
.uni-table-text {
position: absolute;
right: 0;
left: 0;
text-align: center;
font-size: 14px;
color: #999;
}
.uni-table-mask {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
background-color: rgba(255, 255, 255, 0.8);
z-index: 99;
/* #ifndef APP-NVUE */
display: flex;
margin: auto;
transition: all 0.5s;
/* #endif */
justify-content: center;
align-items: center;
}
.uni-table--loader {
width: 30px;
height: 30px;
border: 2px solid #aaa;
// border-bottom-color: transparent;
border-radius: 50%;
/* #ifndef APP-NVUE */
animation: 2s uni-table--loader linear infinite;
/* #endif */
position: relative;
}
@keyframes uni-table--loader {
0% {
transform: rotate(360deg);
}
10% {
border-left-color: transparent;
}
20% {
border-bottom-color: transparent;
}
30% {
border-right-color: transparent;
}
40% {
border-top-color: transparent;
}
50% {
transform: rotate(0deg);
}
60% {
border-top-color: transparent;
}
70% {
border-left-color: transparent;
}
80% {
border-bottom-color: transparent;
}
90% {
border-right-color: transparent;
}
100% {
transform: rotate(-360deg);
}
}
</style>