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将表格导入导出提取为单独的包

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Former-commit-id: 022d07c06618417af8e2895dd00fcac3e0238c09 [formerly 022d07c06618417af8e2895dd00fcac3e0238c09 [formerly 022d07c06618417af8e2895dd00fcac3e0238c09 [formerly 022d07c06618417af8e2895dd00fcac3e0238c09 [formerly 3a6388bd7e36b1bbd3d22767b2dc3a4e462402b7 [formerly 15059226e8bd77dcbe7212699c6bab6b6ff9d385]]]]]
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This commit is contained in:
liyang
2018-12-16 15:39:29 +08:00
parent 20dcc66778
commit d039a6438f
9 changed files with 6 additions and 617 deletions
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4
src/plugin/d2admin/index.js
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@@ -11,8 +11,8 @@ import '@/assets/svg-icons'
import d2VueFiltersDate from '@d2-projects/vue-filters-date'
// 功能插件
import pluginError from '@/plugin/error'
import pluginExport from '@/plugin/export'
import pluginImport from '@/plugin/import'
import pluginExport from '@d2-projects/vue-table-export'
import pluginImport from '@d2-projects/vue-table-import'
import pluginLog from '@/plugin/log'
import pluginOpen from '@/plugin/open'

179
src/plugin/export/_blob.js
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@@ -1,179 +0,0 @@
/* eslint-disable */
/* Blob.js
* A Blob implementation.
* 2014-05-27
*
* By Eli Grey, http://eligrey.com
* 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 */
/*! @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
;
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));
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));

62
src/plugin/export/_csv.js
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@@ -1,62 +0,0 @@
/*
inspired by https://www.npmjs.com/package/react-csv-downloader
now removed from Github
inspired by https://github.com/iview/iview
*/
/* eslint-disable */
const newLine = '\r\n';
const appendLine = (content, row, { separator, quoted }) => {
const line = row.map(data => {
if (!quoted) return data;
// quote data
data = typeof data === 'string' ? data.replace(/"/g, '"') : data;
return `"${data}"`;
});
content.push(line.join(separator));
};
const defaults = {
separator: ',',
quoted: false
};
export default function csv(columns, datas, options, noHeader = false) {
options = Object.assign({}, defaults, options);
let columnOrder;
const content = [];
const column = [];
if (columns) {
columnOrder = columns.map(v => {
if (typeof v === 'string') return v;
if (!noHeader) {
column.push(typeof v.label !== 'undefined' ? v.label : v.prop);
}
return v.prop;
});
if (column.length > 0) appendLine(content, column, options);
} else {
columnOrder = [];
datas.forEach(v => {
if (!Array.isArray(v)) {
columnOrder = columnOrder.concat(Object.keys(v));
}
});
if (columnOrder.length > 0) {
columnOrder = columnOrder.filter((value, index, self) => self.indexOf(value) === index);
if (!noHeader) appendLine(content, columnOrder, options);
}
}
if (Array.isArray(datas)) {
datas.forEach(row => {
if (!Array.isArray(row)) {
row = columnOrder.map(k => (typeof row[k] !== 'undefined' ? row[k] : ''));
}
appendLine(content, row, options);
});
}
return content.join(newLine);
}

83
src/plugin/export/_export-csv.js
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@@ -1,83 +0,0 @@
/* eslint-disable */
/*
此代码来源于iview表格组件的CSV导出部分
https://github.com/iview/iview
*/
function has (browser) {
const ua = navigator.userAgent;
if (browser === 'ie') {
const isIE = ua.indexOf('compatible') > -1 && ua.indexOf('MSIE') > -1;
if (isIE) {
const reIE = new RegExp('MSIE (\\d+\\.\\d+);');
reIE.test(ua);
return parseFloat(RegExp['$1']);
} else {
return false;
}
} else {
return ua.indexOf(browser) > -1;
}
}
const csv = {
_isIE11 () {
let iev = 0;
const ieold = (/MSIE (\d+\.\d+);/.test(navigator.userAgent));
const trident = !!navigator.userAgent.match(/Trident\/7.0/);
const rv = navigator.userAgent.indexOf('rv:11.0');
if (ieold) {
iev = Number(RegExp.$1);
}
if (navigator.appVersion.indexOf('MSIE 10') !== -1) {
iev = 10;
}
if (trident && rv !== -1) {
iev = 11;
}
return iev === 11;
},
_isEdge () {
return /Edge/.test(navigator.userAgent);
},
_getDownloadUrl (text) {
const BOM = '\uFEFF';
// Add BOM to text for open in excel correctly
if (window.Blob && window.URL && window.URL.createObjectURL) {
const csvData = new Blob([BOM + text], { type: 'text/csv' });
return URL.createObjectURL(csvData);
} else {
return 'data:attachment/csv;charset=utf-8,' + BOM + encodeURIComponent(text);
}
},
download (filename, text) {
if (has('ie') && has('ie') < 10) {
// has module unable identify ie11 and Edge
const oWin = window.top.open('about:blank', '_blank');
oWin.document.charset = 'utf-8';
oWin.document.write(text);
oWin.document.close();
oWin.document.execCommand('SaveAs', filename + '.csv');
oWin.close();
} else if (has('ie') === 10 || this._isIE11() || this._isEdge()) {
const BOM = '\uFEFF';
const csvData = new Blob([BOM + text], { type: 'text/csv' });
navigator.msSaveBlob(csvData, filename + '.csv');
} else {
const link = document.createElement('a');
link.download = filename + '.csv';
link.href = this._getDownloadUrl(text);
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
}
};
export default csv;

151
src/plugin/export/_export2Excel.js
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@@ -1,151 +0,0 @@
/* eslint-disable */
// 来源于网络 有细微改动
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;
//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);
}
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);
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, options = { merges: [], header: null }) {
/* original data */
var data = jsonData;
data.unshift(th);
if (options.header) data.unshift([options.header]);
var ws_name = "SheetJS";
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 */
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")
}

73
src/plugin/export/index.js
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@@ -1,73 +0,0 @@
/* eslint-disable */
// 库
import Csv from './_csv'
import ExportCsv from './_export-csv'
import FileSaver from 'file-saver'
import * as Excel from './_export2Excel'
export default {
install (Vue, options) {
Vue.prototype.$export = {
// 导出 csv
csv (params) {
return new Promise((resolve, reject) => {
// 默认值
const paramsDefault = {
columns: [],
data: [],
title: 'table',
noHeader: false
}
// 合并参数
const _params = Object.assign({}, paramsDefault, params)
// 生成数据
const data = Csv(_params.columns, _params.data, params, _params.noHeader)
// 下载数据
ExportCsv.download(_params.title, data)
// 完成
resolve()
})
},
// 导出 excel
excel (params) {
return new Promise((resolve, reject) => {
// 默认值
const paramsDefault = {
columns: [],
data: [],
title: 'table',
header: null,
merges: []
}
// 合并参数
const _params = Object.assign({}, paramsDefault, params)
// 从参数中派生数据
const header = _params.columns.map(e => e.label)
const data = _params.data.map(row => _params.columns.map(col => row[col.prop]))
// 导出
Excel.export_json_to_excel(header, data, _params.title, { merges: _params.merges, header: _params.header })
// 完成
resolve()
})
},
// 导出 文本文档
txt (params) {
return new Promise((resolve, reject) => {
// 默认值
const paramsDefault = {
text: '',
title: '文本'
}
// 合并参数
const _params = Object.assign({}, paramsDefault, params)
// 导出
const blob = new Blob([_params.text], {type: 'text/plain;charset=utf-8'})
FileSaver.saveAs(blob, _params.title + '.txt')
// 完成
resolve()
})
}
}
}
}

62
src/plugin/import/index.js
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@@ -1,62 +0,0 @@
/* eslint-disable */
// 库
import papa from 'papaparse'
import xlsx from 'xlsx'
export default {
install (Vue, options) {
Vue.prototype.$import = {
// 导入 csv
csv (file) {
return new Promise((resolve, reject) => {
papa.parse(file, {
header: true,
skipEmptyLines: true,
complete: (results, file) => {
resolve(results)
}
})
})
},
// 导入 xlsx
xlsx (file) {
return new Promise((resolve, reject) => {
const reader = new FileReader()
const fixdata = data => {
let o = ''
let l = 0
const w = 10240
for (; l < data.byteLength / w; ++l) o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w, l * w + w)))
o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w)))
return o
}
const getHeaderRow = sheet => {
const headers = []
const range = xlsx.utils.decode_range(sheet['!ref'])
let C
const R = range.s.r
for (C = range.s.c; C <= range.e.c; ++C) {
var cell = sheet[xlsx.utils.encode_cell({ c: C, r: R })]
var hdr = 'UNKNOWN ' + C
if (cell && cell.t) hdr = xlsx.utils.format_cell(cell)
headers.push(hdr)
}
return headers
}
reader.onload = e => {
const data = e.target.result
const fixedData = fixdata(data)
const workbook = xlsx.read(btoa(fixedData), { type: 'base64' })
const firstSheetName = workbook.SheetNames[0]
const worksheet = workbook.Sheets[firstSheetName]
const header = getHeaderRow(worksheet)
const results = xlsx.utils.sheet_to_json(worksheet)
resolve({header, results})
}
reader.readAsArrayBuffer(file)
})
}
}
}
}