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Merge branch 'hotfix/xlsx'

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Former-commit-id: 90ff4690a31cc041a07c4c6d11ea8290dbfa6049 [formerly 90ff4690a31cc041a07c4c6d11ea8290dbfa6049 [formerly 90ff4690a31cc041a07c4c6d11ea8290dbfa6049 [formerly 90ff4690a31cc041a07c4c6d11ea8290dbfa6049 [formerly b6ca07603ebb8beae5e412cfc42e48bd64a74af1 [formerly 8b7be6ecf2ef467a4a2527f3c07bab308b51fdcb]]]]]
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This commit is contained in:
liyang
2018-10-22 22:04:35 +08:00
parent cba26a1dc7 4cc57b0645
commit 4e0e1349f1
5 changed files with 14 additions and 352 deletions
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4
src/pages/demo/plugins/export/table.vue
View File

@@ -50,7 +50,9 @@ export default {
exportExcel () { exportExcel () {
this.$export.excel({ this.$export.excel({
columns: this.table.columns, columns: this.table.columns,
data: this.table.data data: this.table.data,
header: '导出 Excel',
merges: ['A1', 'E1']
}) })
.then(() => { .then(() => {
this.$message('导出表格成功') this.$message('导出表格成功')

8
src/plugin/export/_export2Excel.js
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@@ -124,16 +124,22 @@ export function export_table_to_excel(id) {
function formatJson(jsonData) { function formatJson(jsonData) {
console.log(jsonData) console.log(jsonData)
} }
export function export_json_to_excel(th, jsonData, defaultTitle) { export function export_json_to_excel(th, jsonData, defaultTitle, options = { merges: [], header: null }) {
/* original data */ /* original data */
var data = jsonData; var data = jsonData;
data.unshift(th); data.unshift(th);
if (options.header) data.unshift([options.header]);
var ws_name = "SheetJS"; var ws_name = "SheetJS";
var wb = new Workbook(), ws = sheet_from_array_of_arrays(data); var wb = new Workbook(), 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 worksheet to workbook */ /* add worksheet to workbook */
wb.SheetNames.push(ws_name); wb.SheetNames.push(ws_name);

217
src/plugin/export/backup/_blob.js
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@@ -1,217 +0,0 @@
/* 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
));

131
src/plugin/export/backup/_export2Excel.js
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@@ -1,131 +0,0 @@
/* 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")
}

6
src/plugin/export/index.js
View File

@@ -36,7 +36,9 @@ export default {
const paramsDefault = { const paramsDefault = {
columns: [], columns: [],
data: [], data: [],
title: 'table' title: 'table',
header: null,
merges: []
} }
// 合并参数 // 合并参数
const _params = Object.assign({}, paramsDefault, params) const _params = Object.assign({}, paramsDefault, params)
@@ -44,7 +46,7 @@ export default {
const header = _params.columns.map(e => e.label) const header = _params.columns.map(e => e.label)
const data = _params.data.map(row => _params.columns.map(col => row[col.prop])) const data = _params.data.map(row => _params.columns.map(col => row[col.prop]))
// 导出 // 导出
Excel.export_json_to_excel(header, data, _params.title) Excel.export_json_to_excel(header, data, _params.title, { merges: _params.merges, header: _params.header })
// 完成 // 完成
resolve() resolve()
}) })