vue版本上线
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季圣华
252
jshERP-web/src/components/table/StandardTable.vue
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252
jshERP-web/src/components/table/StandardTable.vue
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<template>
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<div class="standard-table">
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<div class="alert">
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<a-alert type="info" :show-icon="true">
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<div slot="message">
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已选择 <a style="font-weight: 600">{{ selectedRows.length }}</a>
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<template v-for="(item, index) in needTotalList" v-if="item.needTotal">
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{{ item.title }} 总计
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<a :key="index" style="font-weight: 600">
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{{ item.customRender ? item.customRender(item.total) : item.total }}
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</a>
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</template>
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<a style="margin-left: 24px" @click="onClearSelected">清空</a>
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</div>
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</a-alert>
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</div>
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<a-table
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:size="size"
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:bordered="bordered"
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:loading="loading"
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:columns="columns"
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:dataSource="current"
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:rowKey="rowKey"
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:pagination="pagination"
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:rowSelection="{ selectedRowKeys: selectedRowKeys, onChange: updateSelect }"
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>
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</a-table>
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</div>
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</template>
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<script>
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export default {
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name: "StandardTable",
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// props: ['bordered', 'loading', 'columns', 'data', 'rowKey', 'pagination', 'selectedRows'],
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props: {
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/**
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* 数据加载函数，返回值必须是 Promise
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* 默认情况下必须传递 data 参数；
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* 如果使用本地数据渲染表格，业务代码中将获取本地数据包装为 Promise 即可。
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*
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* currentData 用于向外暴露表格当前渲染的数据，
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* 业务开发中也可以直接修改 currentData，从而重新渲染表格（仅推荐用于客户端排序、数据过滤等场景）
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*/
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data: {
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type: Function,
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required: true
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},
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dataSource: {
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type: Array,
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default () {
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return []
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}
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},
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columns: {
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type: Array,
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required: true
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},
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/* pagination: {
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type: Object,
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default () {
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return {}
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}
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},*/
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pageSize: {
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type: Number,
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default: 10
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},
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pageNum: {
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type: Number,
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default: 1
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},
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pageSizeOptions: {
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type: Array,
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default () {
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return ['10', '20', '30', '40', '50']
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}
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},
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responseParamsName: {
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type: Object,
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default () {
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return {}
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}
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},
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bordered: {
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type: Boolean,
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default: false
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},
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/**
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* 表格大小风格，default, middle, small
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*/
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size: {
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type: String,
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default: 'default'
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},
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rowKey: {
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type: String,
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default: ''
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},
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selectedRows: {
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type: Array,
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default: null
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}
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},
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data () {
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return {
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needTotalList: [],
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selectedRowKeys: [],
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loading: true,
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total: 0,
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pageNumber: this.pageNum,
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currentPageSize: this.pageSize,
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defaultCurrent: 1,
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sortParams: {},
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current: [],
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pagination: {},
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paramsName: {},
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}
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},
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created () {
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//数据请求参数配置
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this.paramsName = Object.assign(
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{},
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{
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pageNumber: "pageNo",
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pageSize: "pageSize",
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total: "totalCount",
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results: "data",
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sortColumns: "sortColumns"
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},
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this.responseParamsName
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);
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this.needTotalList = this.initTotalList(this.columns)
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// load data
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this.loadData( { pageNum: this.pageNumber } )
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},
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methods: {
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updateSelect (selectedRowKeys, selectedRows) {
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this.selectedRowKeys = selectedRowKeys
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let list = this.needTotalList
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this.needTotalList = list.map(item => {
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return {
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...item,
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total: selectedRows.reduce((sum, val) => {
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return sum + val[item.dataIndex]
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}, 0)
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}
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})
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this.$emit('change', selectedRowKeys, selectedRows)
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},
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initTotalList (columns) {
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const totalList = []
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columns.forEach(column => {
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if (column.needTotal) {
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totalList.push({ ...column, total: 0 })
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}
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})
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return totalList
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},
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loadData (params) {
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let that = this
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that.loading = true
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params = Object.assign({}, params)
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const remoteParams = Object.assign({}, that.sortParams)
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remoteParams[that.paramsName.pageNumber] = params.pageNum || that.pageNumber
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remoteParams[that.paramsName.pageSize] = params.pageSize || that.currentPageSize
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if (params.pageNum) {
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that.pageNumber = params.pageNum
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}
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if (params.pageSize) {
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that.currentPageSize = params.pageSize
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}
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let dataPromise = that.data(remoteParams)
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dataPromise.then( response => {
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if (!response) {
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that.loading = false
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return
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}
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let results = response[that.paramsName.results]
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results = (results instanceof Array && results) || []
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that.current = results
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that.$emit("update:currentData", that.current.slice())
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that.$emit("dataloaded", that.current.slice())
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that.total = response[that.paramsName.total] * 1
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that.pagination = that.pager()
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that.loading = false
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}, () => {
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// error callback
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that.loading = false
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})
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},
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// eslint-disable-next-line
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onPagerChange (page, pageSize) {
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this.pageNumber = page
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this.loadData({ pageNum: page })
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},
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onPagerSizeChange (current, size) {
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this.currentPageSize = size
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/*
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if (current === this.pageNumber) this.loadData()
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console.log('page-size-change', current, size)
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*/
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},
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onClearSelected () {
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this.selectedRowKeys = []
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this.updateSelect([], [])
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},
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pager () {
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return {
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total: this.total,
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showTotal: total => `共有 ${total} 条`,
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showSizeChanger: true,
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pageSizeOptions: this.pageSizeOptions,
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pageSize: this.pageSize,
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defaultCurrent: this.defaultCurrent,
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onChange: this.onPagerChange,
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onShowSizeChange: this.onPagerSizeChange
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}
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}
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},
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watch: {
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'selectedRows': function (selectedRows) {
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this.needTotalList = this.needTotalList.map(item => {
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return {
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...item,
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total: selectedRows.reduce( (sum, val) => {
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return sum + val[item.dataIndex]
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}, 0)
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}
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})
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}
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}
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}
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</script>
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<style scoped>
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.alert {
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margin-bottom: 16px;
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}
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</style>
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