From 1027996d164b95bb74f613f88a328e8bac51b9d0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=9D=8E=E6=9D=A8?= <1711467488@qq.com> Date: Mon, 12 Feb 2018 22:39:26 +0800 Subject: [PATCH] no message Former-commit-id: cb6ed30d4b289e102c22b6325908d77a538eda30 Former-commit-id: 81dffa119e61b24d0017c676be6e252b4541d704 Former-commit-id: cd972e8b02f864692bc1b9e6e1abb160062cfc8c --- src/plugin/export/_blob.js | 360 ++++++++++------------ src/plugin/export/_export2Excel.js | 54 ++-- src/plugin/export/backup/_blob.js | 217 +++++++++++++ src/plugin/export/backup/_export2Excel.js | 131 ++++++++ 4 files changed, 542 insertions(+), 220 deletions(-) mode change 100755 => 100644 src/plugin/export/_blob.js mode change 100755 => 100644 src/plugin/export/_export2Excel.js create mode 100755 src/plugin/export/backup/_blob.js create mode 100755 src/plugin/export/backup/_export2Excel.js diff --git a/src/plugin/export/_blob.js b/src/plugin/export/_blob.js old mode 100755 new mode 100644 index b6913310..26382ccd --- a/src/plugin/export/_blob.js +++ b/src/plugin/export/_blob.js @@ -1,217 +1,179 @@ /* eslint-disable */ - /* Blob.js * A Blob implementation. - * 2018-01-12 + * 2014-05-27 * * By Eli Grey, http://eligrey.com - * By Devin Samarin, https://github.com/dsamarin - * License: MIT - * See https://github.com/eligrey/Blob.js/blob/master/LICENSE.md + * By Devin Samarin, https://github.com/eboyjr + * License: X11/MIT + * See LICENSE.md */ /*global self, unescape */ /*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true, - plusplus: true */ + plusplus: true */ /*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */ (function (view) { - "use strict"; + "use strict"; - view.URL = view.URL || view.webkitURL; + view.URL = view.URL || view.webkitURL; - if (view.Blob && view.URL) { - try { - new Blob; - return; - } catch (e) {} - } + if (view.Blob && view.URL) { + try { + new Blob; + return; + } catch (e) {} + } - // Internally we use a BlobBuilder implementation to base Blob off of - // in order to support older browsers that only have BlobBuilder - var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function(view) { - var - get_class = function(object) { - return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1]; - } - , FakeBlobBuilder = function BlobBuilder() { - this.data = []; - } - , FakeBlob = function Blob(data, type, encoding) { - this.data = data; - this.size = data.length; - this.type = type; - this.encoding = encoding; - } - , FBB_proto = FakeBlobBuilder.prototype - , FB_proto = FakeBlob.prototype - , FileReaderSync = view.FileReaderSync - , FileException = function(type) { - this.code = this[this.name = type]; - } - , file_ex_codes = ( - "NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR " - + "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR" - ).split(" ") - , file_ex_code = file_ex_codes.length - , real_URL = view.URL || view.webkitURL || view - , real_create_object_URL = real_URL.createObjectURL - , real_revoke_object_URL = real_URL.revokeObjectURL - , URL = real_URL - , btoa = view.btoa - , atob = view.atob + // Internally we use a BlobBuilder implementation to base Blob off of + // in order to support older browsers that only have BlobBuilder + var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function(view) { + var + get_class = function(object) { + return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1]; + } + , FakeBlobBuilder = function BlobBuilder() { + this.data = []; + } + , FakeBlob = function Blob(data, type, encoding) { + this.data = data; + this.size = data.length; + this.type = type; + this.encoding = encoding; + } + , FBB_proto = FakeBlobBuilder.prototype + , FB_proto = FakeBlob.prototype + , FileReaderSync = view.FileReaderSync + , FileException = function(type) { + this.code = this[this.name = type]; + } + , file_ex_codes = ( + "NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR " + + "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR" + ).split(" ") + , file_ex_code = file_ex_codes.length + , real_URL = view.URL || view.webkitURL || view + , real_create_object_URL = real_URL.createObjectURL + , real_revoke_object_URL = real_URL.revokeObjectURL + , URL = real_URL + , btoa = view.btoa + , atob = view.atob - , ArrayBuffer = view.ArrayBuffer - , Uint8Array = view.Uint8Array + , ArrayBuffer = view.ArrayBuffer + , Uint8Array = view.Uint8Array + ; + FakeBlob.fake = FB_proto.fake = true; + while (file_ex_code--) { + FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1; + } + if (!real_URL.createObjectURL) { + URL = view.URL = {}; + } + URL.createObjectURL = function(blob) { + var + type = blob.type + , data_URI_header + ; + if (type === null) { + type = "application/octet-stream"; + } + if (blob instanceof FakeBlob) { + data_URI_header = "data:" + type; + if (blob.encoding === "base64") { + return data_URI_header + ";base64," + blob.data; + } else if (blob.encoding === "URI") { + return data_URI_header + "," + decodeURIComponent(blob.data); + } if (btoa) { + return data_URI_header + ";base64," + btoa(blob.data); + } else { + return data_URI_header + "," + encodeURIComponent(blob.data); + } + } else if (real_create_object_URL) { + return real_create_object_URL.call(real_URL, blob); + } + }; + URL.revokeObjectURL = function(object_URL) { + if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) { + real_revoke_object_URL.call(real_URL, object_URL); + } + }; + FBB_proto.append = function(data/*, endings*/) { + var bb = this.data; + // decode data to a binary string + if (Uint8Array && (data instanceof ArrayBuffer || data instanceof Uint8Array)) { + var + str = "" + , buf = new Uint8Array(data) + , i = 0 + , buf_len = buf.length + ; + for (; i < buf_len; i++) { + str += String.fromCharCode(buf[i]); + } + bb.push(str); + } else if (get_class(data) === "Blob" || get_class(data) === "File") { + if (FileReaderSync) { + var fr = new FileReaderSync; + bb.push(fr.readAsBinaryString(data)); + } else { + // async FileReader won't work as BlobBuilder is sync + throw new FileException("NOT_READABLE_ERR"); + } + } else if (data instanceof FakeBlob) { + if (data.encoding === "base64" && atob) { + bb.push(atob(data.data)); + } else if (data.encoding === "URI") { + bb.push(decodeURIComponent(data.data)); + } else if (data.encoding === "raw") { + bb.push(data.data); + } + } else { + if (typeof data !== "string") { + data += ""; // convert unsupported types to strings + } + // decode UTF-16 to binary string + bb.push(unescape(encodeURIComponent(data))); + } + }; + FBB_proto.getBlob = function(type) { + if (!arguments.length) { + type = null; + } + return new FakeBlob(this.data.join(""), type, "raw"); + }; + FBB_proto.toString = function() { + return "[object BlobBuilder]"; + }; + FB_proto.slice = function(start, end, type) { + var args = arguments.length; + if (args < 3) { + type = null; + } + return new FakeBlob( + this.data.slice(start, args > 1 ? end : this.data.length) + , type + , this.encoding + ); + }; + FB_proto.toString = function() { + return "[object Blob]"; + }; + FB_proto.close = function() { + this.size = this.data.length = 0; + }; + return FakeBlobBuilder; + }(view)); - , origin = /^[\w-]+:\/*\[?[\w\.:-]+\]?(?::[0-9]+)?/ - ; - FakeBlob.fake = FB_proto.fake = true; - while (file_ex_code--) { - FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1; - } - // Polyfill URL - if (!real_URL.createObjectURL) { - URL = view.URL = function(uri) { - var - uri_info = document.createElementNS("http://www.w3.org/1999/xhtml", "a") - , uri_origin - ; - uri_info.href = uri; - if (!("origin" in uri_info)) { - if (uri_info.protocol.toLowerCase() === "data:") { - uri_info.origin = null; - } else { - uri_origin = uri.match(origin); - uri_info.origin = uri_origin && uri_origin[1]; - } - } - return uri_info; - }; - } - URL.createObjectURL = function(blob) { - var - type = blob.type - , data_URI_header - ; - if (type === null) { - type = "application/octet-stream"; - } - if (blob instanceof FakeBlob) { - data_URI_header = "data:" + type; - if (blob.encoding === "base64") { - return data_URI_header + ";base64," + blob.data; - } else if (blob.encoding === "URI") { - return data_URI_header + "," + decodeURIComponent(blob.data); - } if (btoa) { - return data_URI_header + ";base64," + btoa(blob.data); - } else { - return data_URI_header + "," + encodeURIComponent(blob.data); - } - } else if (real_create_object_URL) { - return real_create_object_URL.call(real_URL, blob); - } - }; - URL.revokeObjectURL = function(object_URL) { - if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) { - real_revoke_object_URL.call(real_URL, object_URL); - } - }; - FBB_proto.append = function(data/*, endings*/) { - var bb = this.data; - // decode data to a binary string - if (Uint8Array && (data instanceof ArrayBuffer || data instanceof Uint8Array)) { - var - str = "" - , buf = new Uint8Array(data) - , i = 0 - , buf_len = buf.length - ; - for (; i < buf_len; i++) { - str += String.fromCharCode(buf[i]); - } - bb.push(str); - } else if (get_class(data) === "Blob" || get_class(data) === "File") { - if (FileReaderSync) { - var fr = new FileReaderSync; - bb.push(fr.readAsBinaryString(data)); - } else { - // async FileReader won't work as BlobBuilder is sync - throw new FileException("NOT_READABLE_ERR"); - } - } else if (data instanceof FakeBlob) { - if (data.encoding === "base64" && atob) { - bb.push(atob(data.data)); - } else if (data.encoding === "URI") { - bb.push(decodeURIComponent(data.data)); - } else if (data.encoding === "raw") { - bb.push(data.data); - } - } else { - if (typeof data !== "string") { - data += ""; // convert unsupported types to strings - } - // decode UTF-16 to binary string - bb.push(unescape(encodeURIComponent(data))); - } - }; - FBB_proto.getBlob = function(type) { - if (!arguments.length) { - type = null; - } - return new FakeBlob(this.data.join(""), type, "raw"); - }; - FBB_proto.toString = function() { - return "[object BlobBuilder]"; - }; - FB_proto.slice = function(start, end, type) { - var args = arguments.length; - if (args < 3) { - type = null; - } - return new FakeBlob( - this.data.slice(start, args > 1 ? end : this.data.length) - , type - , this.encoding - ); - }; - FB_proto.toString = function() { - return "[object Blob]"; - }; - FB_proto.close = function() { - this.size = 0; - delete this.data; - }; - return FakeBlobBuilder; - }(view)); - - view.Blob = function(blobParts, options) { - var type = options ? (options.type || "") : ""; - var builder = new BlobBuilder(); - if (blobParts) { - for (var i = 0, len = blobParts.length; i < len; i++) { - if (Uint8Array && blobParts[i] instanceof Uint8Array) { - builder.append(blobParts[i].buffer); - } - else { - builder.append(blobParts[i]); - } - } - } - var blob = builder.getBlob(type); - if (!blob.slice && blob.webkitSlice) { - blob.slice = blob.webkitSlice; - } - return blob; - }; - - var getPrototypeOf = Object.getPrototypeOf || function(object) { - return object.__proto__; - }; - view.Blob.prototype = getPrototypeOf(new view.Blob()); -}( - typeof self !== "undefined" && self - || typeof window !== "undefined" && window - || this -)); + view.Blob = function Blob(blobParts, options) { + var type = options ? (options.type || "") : ""; + var builder = new BlobBuilder(); + if (blobParts) { + for (var i = 0, len = blobParts.length; i < len; i++) { + builder.append(blobParts[i]); + } + } + return builder.getBlob(type); + }; +}(typeof self !== "undefined" && self || typeof window !== "undefined" && window || this.content || this)); diff --git a/src/plugin/export/_export2Excel.js b/src/plugin/export/_export2Excel.js old mode 100755 new mode 100644 index 3f39be92..da713c42 --- a/src/plugin/export/_export2Excel.js +++ b/src/plugin/export/_export2Excel.js @@ -18,17 +18,26 @@ function generateArray(table) { 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); } out.push(outRow); @@ -86,46 +95,49 @@ function s2ab(s) { 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); + var wb = new Workbook(), ws = sheet_from_array_of_arrays(data); + + /* 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; + var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'}); + FileSaver.saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), "test.xlsx") } +function formatJson(jsonData) { + console.log(jsonData) +} export function export_json_to_excel(th, jsonData, defaultTitle) { + + /* original data */ + var data = jsonData; data.unshift(th); var ws_name = "SheetJS"; var wb = new Workbook(), ws = sheet_from_array_of_arrays(data); - const colWidth = data.map(row => row.map(val => { - if (val == null) { - return {'wch': 10}; - } - else if (val.toString().charCodeAt(0) > 255) { - return {'wch': val.toString().length * 2}; - } else { - return {'wch': val.toString().length}; - } - })) - let result = colWidth[0]; - for (let i = 1; i < colWidth.length; i++) { - for (let j = 0; j < colWidth[i].length; j++) { - if (result[j]['wch'] < colWidth[i][j]['wch']) { - result[j]['wch'] = colWidth[i][j]['wch']; - } - } - } - ws['!cols'] = result; + + + /* 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 || 'table' + var title = defaultTitle || '列表' FileSaver.saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), title + ".xlsx") } diff --git a/src/plugin/export/backup/_blob.js b/src/plugin/export/backup/_blob.js new file mode 100755 index 00000000..b6913310 --- /dev/null +++ b/src/plugin/export/backup/_blob.js @@ -0,0 +1,217 @@ +/* eslint-disable */ + +/* Blob.js + * A Blob implementation. + * 2018-01-12 + * + * By Eli Grey, http://eligrey.com + * By Devin Samarin, https://github.com/dsamarin + * License: MIT + * See https://github.com/eligrey/Blob.js/blob/master/LICENSE.md + */ + +/*global self, unescape */ +/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true, + plusplus: true */ + +/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */ + +(function (view) { + "use strict"; + + view.URL = view.URL || view.webkitURL; + + if (view.Blob && view.URL) { + try { + new Blob; + return; + } catch (e) {} + } + + // Internally we use a BlobBuilder implementation to base Blob off of + // in order to support older browsers that only have BlobBuilder + var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function(view) { + var + get_class = function(object) { + return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1]; + } + , FakeBlobBuilder = function BlobBuilder() { + this.data = []; + } + , FakeBlob = function Blob(data, type, encoding) { + this.data = data; + this.size = data.length; + this.type = type; + this.encoding = encoding; + } + , FBB_proto = FakeBlobBuilder.prototype + , FB_proto = FakeBlob.prototype + , FileReaderSync = view.FileReaderSync + , FileException = function(type) { + this.code = this[this.name = type]; + } + , file_ex_codes = ( + "NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR " + + "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR" + ).split(" ") + , file_ex_code = file_ex_codes.length + , real_URL = view.URL || view.webkitURL || view + , real_create_object_URL = real_URL.createObjectURL + , real_revoke_object_URL = real_URL.revokeObjectURL + , URL = real_URL + , btoa = view.btoa + , atob = view.atob + + , ArrayBuffer = view.ArrayBuffer + , Uint8Array = view.Uint8Array + + , origin = /^[\w-]+:\/*\[?[\w\.:-]+\]?(?::[0-9]+)?/ + ; + FakeBlob.fake = FB_proto.fake = true; + while (file_ex_code--) { + FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1; + } + // Polyfill URL + if (!real_URL.createObjectURL) { + URL = view.URL = function(uri) { + var + uri_info = document.createElementNS("http://www.w3.org/1999/xhtml", "a") + , uri_origin + ; + uri_info.href = uri; + if (!("origin" in uri_info)) { + if (uri_info.protocol.toLowerCase() === "data:") { + uri_info.origin = null; + } else { + uri_origin = uri.match(origin); + uri_info.origin = uri_origin && uri_origin[1]; + } + } + return uri_info; + }; + } + URL.createObjectURL = function(blob) { + var + type = blob.type + , data_URI_header + ; + if (type === null) { + type = "application/octet-stream"; + } + if (blob instanceof FakeBlob) { + data_URI_header = "data:" + type; + if (blob.encoding === "base64") { + return data_URI_header + ";base64," + blob.data; + } else if (blob.encoding === "URI") { + return data_URI_header + "," + decodeURIComponent(blob.data); + } if (btoa) { + return data_URI_header + ";base64," + btoa(blob.data); + } else { + return data_URI_header + "," + encodeURIComponent(blob.data); + } + } else if (real_create_object_URL) { + return real_create_object_URL.call(real_URL, blob); + } + }; + URL.revokeObjectURL = function(object_URL) { + if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) { + real_revoke_object_URL.call(real_URL, object_URL); + } + }; + FBB_proto.append = function(data/*, endings*/) { + var bb = this.data; + // decode data to a binary string + if (Uint8Array && (data instanceof ArrayBuffer || data instanceof Uint8Array)) { + var + str = "" + , buf = new Uint8Array(data) + , i = 0 + , buf_len = buf.length + ; + for (; i < buf_len; i++) { + str += String.fromCharCode(buf[i]); + } + bb.push(str); + } else if (get_class(data) === "Blob" || get_class(data) === "File") { + if (FileReaderSync) { + var fr = new FileReaderSync; + bb.push(fr.readAsBinaryString(data)); + } else { + // async FileReader won't work as BlobBuilder is sync + throw new FileException("NOT_READABLE_ERR"); + } + } else if (data instanceof FakeBlob) { + if (data.encoding === "base64" && atob) { + bb.push(atob(data.data)); + } else if (data.encoding === "URI") { + bb.push(decodeURIComponent(data.data)); + } else if (data.encoding === "raw") { + bb.push(data.data); + } + } else { + if (typeof data !== "string") { + data += ""; // convert unsupported types to strings + } + // decode UTF-16 to binary string + bb.push(unescape(encodeURIComponent(data))); + } + }; + FBB_proto.getBlob = function(type) { + if (!arguments.length) { + type = null; + } + return new FakeBlob(this.data.join(""), type, "raw"); + }; + FBB_proto.toString = function() { + return "[object BlobBuilder]"; + }; + FB_proto.slice = function(start, end, type) { + var args = arguments.length; + if (args < 3) { + type = null; + } + return new FakeBlob( + this.data.slice(start, args > 1 ? end : this.data.length) + , type + , this.encoding + ); + }; + FB_proto.toString = function() { + return "[object Blob]"; + }; + FB_proto.close = function() { + this.size = 0; + delete this.data; + }; + return FakeBlobBuilder; + }(view)); + + view.Blob = function(blobParts, options) { + var type = options ? (options.type || "") : ""; + var builder = new BlobBuilder(); + if (blobParts) { + for (var i = 0, len = blobParts.length; i < len; i++) { + if (Uint8Array && blobParts[i] instanceof Uint8Array) { + builder.append(blobParts[i].buffer); + } + else { + builder.append(blobParts[i]); + } + } + } + var blob = builder.getBlob(type); + if (!blob.slice && blob.webkitSlice) { + blob.slice = blob.webkitSlice; + } + return blob; + }; + + var getPrototypeOf = Object.getPrototypeOf || function(object) { + return object.__proto__; + }; + view.Blob.prototype = getPrototypeOf(new view.Blob()); +}( + typeof self !== "undefined" && self + || typeof window !== "undefined" && window + || this +)); diff --git a/src/plugin/export/backup/_export2Excel.js b/src/plugin/export/backup/_export2Excel.js new file mode 100755 index 00000000..3f39be92 --- /dev/null +++ b/src/plugin/export/backup/_export2Excel.js @@ -0,0 +1,131 @@ +/* eslint-disable */ + +import './_blob' +import FileSaver from 'file-saver' +import 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; + 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); + } + }); + 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}}); + }; + outRow.push(cellValue !== "" ? cellValue : null); + if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null); + } + out.push(outRow); + } + 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 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; +} + +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; +} + +export function export_table_to_excel(id) { + var theTable = document.getElementById(id); + var oo = generateArray(theTable); + var ranges = oo[1]; + var data = oo[0]; + var ws_name = "SheetJS"; + var wb = new Workbook(), ws = sheet_from_array_of_arrays(data); + ws['!merges'] = ranges; + wb.SheetNames.push(ws_name); + wb.Sheets[ws_name] = ws; + var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'}); + FileSaver.saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), "test.xlsx") +} + +export function export_json_to_excel(th, jsonData, defaultTitle) { + var data = jsonData; + data.unshift(th); + var ws_name = "SheetJS"; + + var wb = new Workbook(), ws = sheet_from_array_of_arrays(data); + const colWidth = data.map(row => row.map(val => { + if (val == null) { + return {'wch': 10}; + } + else if (val.toString().charCodeAt(0) > 255) { + return {'wch': val.toString().length * 2}; + } else { + return {'wch': val.toString().length}; + } + })) + let result = colWidth[0]; + for (let i = 1; i < colWidth.length; i++) { + for (let j = 0; j < colWidth[i].length; j++) { + if (result[j]['wch'] < colWidth[i][j]['wch']) { + result[j]['wch'] = colWidth[i][j]['wch']; + } + } + } + ws['!cols'] = result; + wb.SheetNames.push(ws_name); + wb.Sheets[ws_name] = ws; + var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'}); + var title = defaultTitle || 'table' + FileSaver.saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), title + ".xlsx") +}