fix: 导出名字超长报错问题修复

src/plugins/export/_export2Excel.js

@@ -5,143 +5,146 @@ import './_blob'
 import FileSaver from 'file-saver'
 import * as XLSX from 'xlsx'
 
-function generateArray(table) {
-  var out = []
-  var rows = table.querySelectorAll('tr')
-  var ranges = []
-  for (var R = 0; R < rows.length; ++R) {
-    var outRow = []
-    var row = rows[R]
-    var columns = row.querySelectorAll('td')
-    for (var C = 0; C < columns.length; ++C) {
-      var cell = columns[C]
-      var colspan = cell.getAttribute('colspan')
-      var rowspan = cell.getAttribute('rowspan')
-      var cellValue = cell.innerText
-      if (cellValue !== '' && cellValue === +cellValue) cellValue = +cellValue
-
-      // Skip ranges
-      ranges.forEach(function(range) {
-        if (R >= range.s.r && R <= range.e.r && outRow.length >= range.s.c && outRow.length <= range.e.c) {
-          for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null)
+function generateArray (table) {
+    var out = []
+    var rows = table.querySelectorAll('tr')
+    var ranges = []
+    for (var R = 0; R < rows.length; ++R) {
+        var outRow = []
+        var row = rows[R]
+        var columns = row.querySelectorAll('td')
+        for (var C = 0; C < columns.length; ++C) {
+            var cell = columns[C]
+            var colspan = cell.getAttribute('colspan')
+            var rowspan = cell.getAttribute('rowspan')
+            var cellValue = cell.innerText
+            if (cellValue !== '' && cellValue === +cellValue) cellValue = +cellValue
+
+            // Skip ranges
+            ranges.forEach(function (range) {
+                if (R >= range.s.r && R <= range.e.r && outRow.length >= range.s.c && outRow.length <= range.e.c) {
+                    for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null)
+                }
+            })
+
+            // Handle Row Span
+            if (rowspan || colspan) {
+                rowspan = rowspan || 1
+                colspan = colspan || 1
+                ranges.push({ s: { r: R, c: outRow.length }, e: { r: R + rowspan - 1, c: outRow.length + colspan - 1 }})
+            }
+
+            // Handle Value
+            outRow.push(cellValue !== '' ? cellValue : null)
+
+            // Handle Colspan
+            if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null)
         }
-      })
-
-      // Handle Row Span
-      if (rowspan || colspan) {
-        rowspan = rowspan || 1
-        colspan = colspan || 1
-        ranges.push({ s: { r: R, c: outRow.length }, e: { r: R + rowspan - 1, c: outRow.length + colspan - 1 }})
-      }
-
-      // Handle Value
-      outRow.push(cellValue !== '' ? cellValue : null)
-
-      // Handle Colspan
-      if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null)
+        out.push(outRow)
     }
-    out.push(outRow)
-  }
-  return [out, ranges]
+    return [out, ranges]
 }
 
-function datenum(v, date1904) {
-  if (date1904) v += 1462
-  var epoch = Date.parse(v)
-  return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000)
+function datenum (v, date1904) {
+    if (date1904) v += 1462
+    var epoch = Date.parse(v)
+    return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000)
 }
 
-function sheet_from_array_of_arrays(data, opts) {
-  var ws = {}
-  var range = { s: { c: 10000000, r: 10000000 }, e: { c: 0, r: 0 }}
-  for (var R = 0; R !== data.length; ++R) {
-    for (var C = 0; C !== data[R].length; ++C) {
-      if (range.s.r > R) range.s.r = R
-      if (range.s.c > C) range.s.c = C
-      if (range.e.r < R) range.e.r = R
-      if (range.e.c < C) range.e.c = C
-      var cell = { v: data[R][C] }
-      if (cell.v == null) continue
-      var cell_ref = XLSX.utils.encode_cell({ c: C, r: R })
-
-      if (typeof cell.v === 'number') cell.t = 'n'
-      else if (typeof cell.v === 'boolean') cell.t = 'b'
-      else if (cell.v instanceof Date) {
-        cell.t = 'n'
-        cell.z = XLSX.SSF._table[14]
-        cell.v = datenum(cell.v)
-      } else cell.t = 's'
-
-      ws[cell_ref] = cell
+function sheet_from_array_of_arrays (data, opts) {
+    var ws = {}
+    var range = { s: { c: 10000000, r: 10000000 }, e: { c: 0, r: 0 }}
+    for (var R = 0; R !== data.length; ++R) {
+        for (var C = 0; C !== data[R].length; ++C) {
+            if (range.s.r > R) range.s.r = R
+            if (range.s.c > C) range.s.c = C
+            if (range.e.r < R) range.e.r = R
+            if (range.e.c < C) range.e.c = C
+            var cell = { v: data[R][C] }
+            if (cell.v == null) continue
+            var cell_ref = XLSX.utils.encode_cell({ c: C, r: R })
+
+            if (typeof cell.v === 'number') cell.t = 'n'
+            else if (typeof cell.v === 'boolean') cell.t = 'b'
+            else if (cell.v instanceof Date) {
+                cell.t = 'n'
+                cell.z = XLSX.SSF._table[14]
+                cell.v = datenum(cell.v)
+            } else cell.t = 's'
+
+            ws[cell_ref] = cell
+        }
     }
-  }
-  if (range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range)
-  return ws
+    if (range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range)
+    return ws
 }
 
-function Workbook() {
-  if (!(this instanceof Workbook)) return new Workbook()
-  this.SheetNames = []
-  this.Sheets = {}
+function Workbook () {
+    if (!(this instanceof Workbook)) return new Workbook()
+    this.SheetNames = []
+    this.Sheets = {}
 }
 
-function s2ab(s) {
-  var buf = new ArrayBuffer(s.length)
-  var view = new Uint8Array(buf)
-  for (var i = 0; i !== s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF
-  return buf
+function s2ab (s) {
+    var buf = new ArrayBuffer(s.length)
+    var view = new Uint8Array(buf)
+    for (var i = 0; i !== s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF
+    return buf
 }
 
-export function export_table_to_excel(id) {
-  var theTable = document.getElementById(id)
-  console.log('a')
-  var oo = generateArray(theTable)
-  var ranges = oo[1]
+export function export_table_to_excel (id) {
+    var theTable = document.getElementById(id)
+    console.log('a')
+    var oo = generateArray(theTable)
+    var ranges = oo[1]
 
-  /* original data */
-  var data = oo[0]
-  var ws_name = 'SheetJS'
-  console.log(data)
+    /* original data */
+    var data = oo[0]
+    var ws_name = 'SheetJS'
+    console.log(data)
 
-  var wb = new Workbook(); var ws = sheet_from_array_of_arrays(data)
+    var wb = new Workbook(); var ws = sheet_from_array_of_arrays(data)
 
-  /* add ranges to worksheet */
-  // ws['!cols'] = ['apple', 'banan'];
-  ws['!merges'] = ranges
+    /* add ranges to worksheet */
+    // ws['!cols'] = ['apple', 'banan'];
+    ws['!merges'] = ranges
 
-  /* add worksheet to workbook */
-  wb.SheetNames.push(ws_name)
-  wb.Sheets[ws_name] = ws
+    /* add worksheet to workbook */
+    wb.SheetNames.push(ws_name)
+    wb.Sheets[ws_name] = ws
 
-  var wbout = XLSX.write(wb, { bookType: 'xlsx', bookSST: false, type: 'binary' })
+    var wbout = XLSX.write(wb, { bookType: 'xlsx', bookSST: false, type: 'binary' })
 
-  FileSaver.saveAs(new Blob([s2ab(wbout)], { type: 'application/octet-stream' }), 'test.xlsx')
+    FileSaver.saveAs(new Blob([s2ab(wbout)], { type: 'application/octet-stream' }), 'test.xlsx')
+}
+function truncateString (str) {
+    if (!str) return ''
+    return str.length > 10 ? str.replace(/^(.{28}).+$/, '$1...') : str
 }
-
 // function formatJson(jsonData) {
 //   console.log(jsonData)
 // }
-export function export_json_to_excel(th, jsonData, defaultTitle, options = { merges: [], header: null }) {
-  /* original data */
+export function export_json_to_excel (th, jsonData, defaultTitle, options = { merges: [], header: null }) {
+    /* original data */
 
-  var data = jsonData
-  data.unshift(th)
-  if (options.header) data.unshift([options.header])
-  var ws_name = defaultTitle || 'SheetJS'
+    var data = jsonData
+    data.unshift(th)
+    if (options.header) data.unshift([options.header])
+    var ws_name = truncateString(defaultTitle) || 'SheetJS'
 
-  var wb = new Workbook(); var ws = sheet_from_array_of_arrays(data)
+    var wb = new Workbook(); var ws = sheet_from_array_of_arrays(data)
 
-  /* add merges area to worksheet */
-  let { merges } = options
-  if (typeof merges[0] === 'string' && merges.length === 2) merges = [merges] // just one # ['A1', 'C1'] = > [['A1', 'C1']]
-  merges = merges.map(i => i instanceof Array ? { s: i[0], e: i[1] } : i) // be sort :) # ['A1', 'C1'] => { s: 'A1', e: 'C3' }
-  ws['!merges'] = merges
+    /* add merges area to worksheet */
+    let { merges } = options
+    if (typeof merges[0] === 'string' && merges.length === 2) merges = [merges] // just one # ['A1', 'C1'] = > [['A1', 'C1']]
+    merges = merges.map(i => i instanceof Array ? { s: i[0], e: i[1] } : i) // be sort :) # ['A1', 'C1'] => { s: 'A1', e: 'C3' }
+    ws['!merges'] = merges
 
-  /* add worksheet to workbook */
-  wb.SheetNames.push(ws_name)
-  wb.Sheets[ws_name] = ws
+    /* add worksheet to workbook */
+    wb.SheetNames.push(ws_name)
+    wb.Sheets[ws_name] = ws
 
-  var wbout = XLSX.write(wb, { bookType: 'xlsx', bookSST: false, type: 'binary' })
-  var title = defaultTitle || '列表'
-  FileSaver.saveAs(new Blob([s2ab(wbout)], { type: 'application/octet-stream' }), title + '.xlsx')
+    var wbout = XLSX.write(wb, { bookType: 'xlsx', bookSST: false, type: 'binary' })
+    var title = defaultTitle || '列表'
+    FileSaver.saveAs(new Blob([s2ab(wbout)], { type: 'application/octet-stream' }), title + '.xlsx')
 }