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@ -3,7 +3,13 @@ import {download} from "@/utils/file" |
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import request from "@/config/request" |
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import request from "@/config/request" |
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import {elError} from "@/utils/message" |
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import {elError} from "@/utils/message" |
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//导出excel
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/** |
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* 搜索表格页导出excel |
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* 响应头为json时进行前端导出，否则直接下载文件 |
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* @param url 搜索的请求地址 |
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* @param searchForm 搜索参数 |
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* @param options 合并选项{column, merge}，只有前端导出时才需要 |
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*/ |
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export function exportExcel(url, searchForm, options) { |
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export function exportExcel(url, searchForm, options) { |
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request({url, method: 'post', responseType: 'blob', data: searchForm}) |
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request({url, method: 'post', responseType: 'blob', data: searchForm}) |
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.then(({headers, data}) => { |
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.then(({headers, data}) => { |
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@ -21,9 +27,8 @@ export function exportExcel(url, searchForm, options) { |
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exportExcelByJs(sheet, filename) |
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exportExcelByJs(sheet, filename) |
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} |
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} |
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reader.readAsText(data) |
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reader.readAsText(data) |
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return |
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} |
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} |
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download(data, filename) |
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else download(data, filename) |
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}) |
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}) |
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.catch(e => elError(e)) |
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.catch(e => elError(e)) |
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} |
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} |
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@ -52,13 +57,13 @@ export function exportExcelByJs(sheet, filename) { |
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*/ |
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*/ |
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export function json2sheet(column, data, mergeOption, headerRows = 1) { |
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export function json2sheet(column, data, mergeOption, headerRows = 1) { |
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const header = [] |
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const header = [] |
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const aliasMap = {} |
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const propMap = {} |
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const colWidth = [] |
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const colWidth = [] |
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const needMerge = [] |
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const needMerge = [] |
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column.forEach((item, i) => { |
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column.forEach((item, i) => { |
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if (!isEmpty(item.header)) header[i] = item.header |
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if (!isEmpty(item.header)) header[i] = item.header |
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if (!isEmpty(item.alias)) aliasMap[item.alias] = i |
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if (!isEmpty(item.prop)) propMap[item.prop] = i |
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if (item.merge) needMerge[i] = item.alias |
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if (item.merge) needMerge[i] = item.prop |
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colWidth[i] = {wch: item.width || 20} |
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colWidth[i] = {wch: item.width || 20} |
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}) |
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}) |
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@ -69,7 +74,7 @@ export function json2sheet(column, data, mergeOption, headerRows = 1) { |
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} |
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} |
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let result = data.map(i => Object.keys(i).reduce((arr, key) => { |
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let result = data.map(i => Object.keys(i).reduce((arr, key) => { |
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arr[aliasMap[key]] = i[key] |
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arr[propMap[key]] = i[key] |
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return arr |
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return arr |
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}, [])) |
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}, [])) |
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@ -85,23 +90,23 @@ export function json2sheet(column, data, mergeOption, headerRows = 1) { |
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* 合并excel |
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* 合并excel |
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* @param primaryKey 该行json的唯一标识字段名 |
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* @param primaryKey 该行json的唯一标识字段名 |
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* @param indexKey 该行json的序号字段名 |
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* @param indexKey 该行json的序号字段名 |
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* @param alias 表头别名，用于映射json |
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* @param prop 表头的属性名称，用于映射json |
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* @param data json数组 |
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* @param data json数组 |
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* @param ignoreRows 忽略的行数，默认为1（忽略表头） |
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* @param ignoreRows 忽略的行数，默认为1（忽略表头） |
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*/ |
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*/ |
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function mergeExcel(alias, data, primaryKey, indexKey, ignoreRows = 1) { |
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function mergeExcel(prop, data, primaryKey, indexKey, ignoreRows = 1) { |
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const result = [] |
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const result = [] |
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const startRows = ignoreRows + 1 |
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const startRows = ignoreRows + 1 |
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const merge = alias.map(_ => isEmpty(_) ? undefined : [1]) |
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const merge = prop.map(_ => isEmpty(_) ? undefined : [1]) |
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const temp = alias.map(_ => isEmpty(_) ? undefined : 1) |
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const temp = prop.map(_ => isEmpty(_) ? undefined : 1) |
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//序号从1开始
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//序号从1开始
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let indexAfterMerge = 1 |
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let indexAfterMerge = 1 |
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data[0][indexKey] = indexAfterMerge |
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data[0][indexKey] = indexAfterMerge |
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function compare(currentRow, lastRow, nextRow, colIndex) { |
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function compare(currentRow, lastRow, nextRow, colIndex) { |
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const attr = alias[colIndex] |
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const attr = prop[colIndex] |
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//若与上一行的primaryKey相同且属性相同，则temp对应项+1
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//若与上一行的primaryKey相同且属性相同，则temp对应项+1
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if (currentRow[primaryKey] === lastRow[primaryKey] |
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if (currentRow[primaryKey] === lastRow[primaryKey] |
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@ -142,7 +147,7 @@ function mergeExcel(alias, data, primaryKey, indexKey, ignoreRows = 1) { |
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nextRow[indexKey] = currentRow[indexKey] |
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nextRow[indexKey] = currentRow[indexKey] |
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} |
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} |
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alias.forEach((_, colIndex) => !isEmpty(_) && compare(currentRow, lastRow, nextRow, colIndex)) |
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prop.forEach((_, colIndex) => !isEmpty(_) && compare(currentRow, lastRow, nextRow, colIndex)) |
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} |
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} |
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function number2excelColumnHeader(n) { |
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function number2excelColumnHeader(n) { |
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@ -166,9 +171,7 @@ function mergeExcel(alias, data, primaryKey, indexKey, ignoreRows = 1) { |
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}) |
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}) |
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} |
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} |
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merge.forEach((arr, index) => { |
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merge.forEach((arr, index) => arr && mergeResultConstructor(arr, index)) |
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arr && mergeResultConstructor(arr, index) |
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}) |
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return result |
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return result |
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} |
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} |
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@ -177,9 +180,7 @@ function mergeExcel(alias, data, primaryKey, indexKey, ignoreRows = 1) { |
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const defaultCellStyle = { |
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const defaultCellStyle = { |
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font: {name: '宋体'}, |
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font: {name: '宋体'}, |
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alignment: { |
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alignment: { |
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// 自动换行
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wrapText: 1,// 自动换行
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wrapText: 1, |
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// 居中
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horizontal: "center", |
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horizontal: "center", |
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vertical: "center", |
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vertical: "center", |
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indent: 0 |
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indent: 0 |
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toesbieya
6 years ago