移除无用组件
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Zheng Jie
parent
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@ -66,8 +66,7 @@
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"vuedraggable": "2.20.0",
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"vuex": "3.1.0",
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"wangeditor": "^4.7.11",
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"webpack": "^4.46.0",
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"xlsx": "^0.18.5"
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"webpack": "^4.46.0"
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},
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"devDependencies": {
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"@babel/parser": "^7.7.4",
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@ -86,8 +85,8 @@
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"babel-plugin-transform-remove-console": "^6.9.4",
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"chalk": "2.4.2",
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"chokidar": "2.1.5",
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"connect": "3.6.6",
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"compression-webpack-plugin": "5.0.2",
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"connect": "3.6.6",
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"eslint": "5.15.3",
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"eslint-plugin-vue": "5.2.2",
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"html-webpack-plugin": "3.2.0",
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@ -1,138 +0,0 @@
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<template>
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<div>
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<input ref="excel-upload-input" class="excel-upload-input" type="file" accept=".xlsx, .xls" @change="handleClick">
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<div class="drop" @drop="handleDrop" @dragover="handleDragover" @dragenter="handleDragover">
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拖拽excel文件到此处 或者
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<el-button :loading="loading" style="margin-left:16px;" size="mini" type="primary" @click="handleUpload">
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浏览
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</el-button>
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</div>
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</div>
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</template>
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<script>
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import XLSX from 'xlsx'
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export default {
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props: {
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beforeUpload: Function, // eslint-disable-line
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onSuccess: Function// eslint-disable-line
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},
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data() {
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return {
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loading: false,
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excelData: {
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header: null,
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results: null
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}
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}
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},
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methods: {
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generateData({ header, results }) {
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this.excelData.header = header
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this.excelData.results = results
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this.onSuccess && this.onSuccess(this.excelData)
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},
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handleDrop(e) {
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e.stopPropagation()
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e.preventDefault()
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if (this.loading) return
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const files = e.dataTransfer.files
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if (files.length !== 1) {
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this.$message.error('只支持单个文件上传!')
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return
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}
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const rawFile = files[0]
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if (!this.isExcel(rawFile)) {
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this.$message.error('只支持.xlsx, .xls, .csv 格式文件')
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return false
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}
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this.upload(rawFile)
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e.stopPropagation()
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e.preventDefault()
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},
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handleDragover(e) {
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e.stopPropagation()
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e.preventDefault()
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e.dataTransfer.dropEffect = 'copy'
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},
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handleUpload() {
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this.$refs['excel-upload-input'].click()
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},
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handleClick(e) {
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const files = e.target.files
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const rawFile = files[0] // only use files[0]
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if (!rawFile) return
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this.upload(rawFile)
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},
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upload(rawFile) {
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this.$refs['excel-upload-input'].value = null // fix can't select the same excel
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if (!this.beforeUpload) {
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this.readerData(rawFile)
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return
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}
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const before = this.beforeUpload(rawFile)
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if (before) {
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this.readerData(rawFile)
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}
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},
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readerData(rawFile) {
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this.loading = true
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return new Promise((resolve, reject) => {
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const reader = new FileReader()
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reader.onload = e => {
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const data = e.target.result
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const workbook = XLSX.read(data, { type: 'array' })
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const firstSheetName = workbook.SheetNames[0]
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const worksheet = workbook.Sheets[firstSheetName]
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const header = this.getHeaderRow(worksheet)
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const results = XLSX.utils.sheet_to_json(worksheet)
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this.generateData({ header, results })
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this.loading = false
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resolve()
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}
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reader.readAsArrayBuffer(rawFile)
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})
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},
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getHeaderRow(sheet) {
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const headers = []
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const range = XLSX.utils.decode_range(sheet['!ref'])
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let C
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const R = range.s.r
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/* start in the first row */
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for (C = range.s.c; C <= range.e.c; ++C) { /* walk every column in the range */
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const cell = sheet[XLSX.utils.encode_cell({ c: C, r: R })]
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/* find the cell in the first row */
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let hdr = 'UNKNOWN ' + C // <-- replace with your desired default
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if (cell && cell.t) hdr = XLSX.utils.format_cell(cell)
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headers.push(hdr)
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}
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return headers
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},
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isExcel(file) {
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return /\.(xlsx|xls|csv)$/.test(file.name)
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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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.excel-upload-input{
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display: none;
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z-index: -9999;
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}
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.drop{
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border: 2px dashed #bbb;
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width: 600px;
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height: 160px;
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line-height: 160px;
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margin: 0 auto;
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font-size: 24px;
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border-radius: 5px;
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text-align: center;
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color: #bbb;
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position: relative;
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}
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</style>
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@ -1,41 +0,0 @@
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<template>
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<div class="app-container">
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<upload-excel-component :on-success="handleSuccess" :before-upload="beforeUpload" />
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<el-table :data="tableData" border highlight-current-row style="width: 100%;margin-top:20px;">
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<el-table-column v-for="item of tableHeader" :key="item" :prop="item" :label="item" />
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</el-table>
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</div>
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</template>
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<script>
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import UploadExcelComponent from '@/components/UploadExcel/index.vue'
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export default {
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name: 'UploadExcel',
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components: { UploadExcelComponent },
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data() {
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return {
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tableData: [],
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tableHeader: []
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}
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},
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methods: {
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beforeUpload(file) {
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const isLt1M = file.size / 1024 / 1024 < 1
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if (isLt1M) {
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return true
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}
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this.$message({
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message: '请不要上传大于1m的文件.',
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type: 'warning'
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})
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return false
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},
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handleSuccess({ results, header }) {
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this.tableData = results
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this.tableHeader = header
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}
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}
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}
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</script>
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