CRMEB1.7.4知识付费源码，挺好用的，功能齐全，没有Bug，用来学习挺好的，功能相当强大

************************************************************************************** * PHPExcel * * Copyright (c) 2006 - 2014 PHPExcel * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version ##VERSION##, ##DATE## ************************************************************************************** 2018-11-22 (v1.8.2): - Security (MBaker) - Fix and improve XXE security scanning for XML-based Readers - Bugfix: (MBaker) - Fix to getCell() method when cell reference includes a worksheet reference - Bugfix: (ncrypthic) Work Item GH-570 - Ignore inlineStr type if formula element exists - Bugfix: (hernst42) Work Item GH-709 - Fixed missing renames of writeRelationShip (from _writeRelationShip) - General: (umpirsky) Work Item GH-548 - Optimize vlookup() sort - Bugfix: (MBaker) Work Item GH-554 - Whitespace after toRichTextObject() - Feature: (MBaker) - Initial implementation of SUMIFS() function - Feature: (MBaker) - Additional codepages - Feature: (Tomino2112) Work Item GH-808 - MemoryDrawing not working in HTML writer - General: (rentalhost) Work Item GH-575 - Excel 2007 Reader freezes because of conditional formatting - Bugfix: (vitalyrepin) Pull Request 869 - c:max and c:min elements shall NOT be inside c:orientation elements - General: (sim642) Pull Request 489 - Implement actual timezone adjustment into PHPExcel_Shared_Date::PHPToExcel 2015-04-30 (v1.8.1): - Bugfix: (goncons) Work Item GH-397 - Fix for Writing an Open Document cell with non-numeric formula - Bugfix: (sarciszewski) Work Item GH-329 - Avoid potential divide by zero in basedrawing - Bugfix: (ymaerschalck) Work Item GH-405 - XML External Entity (XXE) Processing, different behaviour between simplexml_load_string() and simplexml_load_file(). - Bugfix: (MBaker) - Fix to ensure that current cell is maintained when executing formula calculations - Bugfix: (MBaker) Work Item GH-350 - Keep/set the value on Reader _loadSheetsOnly as NULL, courtesy of Restless-ET - Bugfix: (MBaker) Work Item CP18105 - Loading an Excel 2007 spreadsheet throws an "Autofilter must be set on a range of cells" exception - Bugfix: (MBaker) Work Item GH-388 - Fix to autoloader registration for backward compatibility with PHP 5.2.0 not accepting the prepend flag - Bugfix: (MBaker) Work Item GH-384 - DOM loadHTMLFile() failing with options flags when using PHP < 5.4.0 - Bugfix: (MBaker) - Fix for percentage operator in formulae for BIFF Writer - Bugfix: (MBaker) - Fix to getStyle() call for cell object - Bugfix: (MBaker) - Discard Autofilters in Excel2007 Reader when filter range isn't a valid range - Bugfix: (frozenstupidity) Work Item GH-423 - Fix invalid NA return in VLOOKUP - Bugfix: (wiseloren) Work Item CP21454 - "No Impact" conditional formatting fix for NumberFormat - Bugfix: (bobwitlox) Work Item GH-467 - Bug in Excel2003XML reader, parsing merged cells - Bugfix: (MBaker) Work Item GH-302 - Fix for CEIL() and FLOOR() when number argument is zero - Bugfix: (MBaker) - Remove cells cleanly when calling RemoveRow() or RemoveColumn() - General: (MBaker) - Small performance improvement for autosize columns - General: (frost-nzcr4) Work Item GH-379 - Change the getter/setter for zeroHeight to camel case - General: (MBaker) Work Item GH-394 - DefaultValueBinder is too much aggressive when converting string to numeric - General: (MBaker) - Default precalculate formulas to false for writers - General: (MBaker) - Set default Cyclic Reference behaviour to 1 to eliminate exception when using a single cyclic iteration in formulae - General: (MBaker) Work Item GH-396 - Some Excel writer libraries erroneously use Codepage 21010 for UTF-16LE - Feature: (WiktrzGE) Work Item GH-404 - Methods to manage most of the existing options for Chart Axis, Major Grid-lines and Minor Grid-lines - Feature: (frost-nzcr4) Work Item GH-403 - ODS read/write comments in the cell - Feature: (CQD) Work Item GH-389 - Additional Mac CJK codepage definitions - Feature: (bolovincev) Work Item GH-269 - Update Worksheet.php getStyleByColumnAndRow() to allow a range of cells rather than just a single cell - Feature: (MBaker) - New methods added for testing cell status within merge groups - Feature: (cifren/MBaker) Work Item GH-205 - Handling merge cells in HTML Reader - Feature: (MBaker) - Helper to convert basic HTML markup to a Rich Text object - Feature: (MBaker) - Improved Iterators New Column Iterator Support for row and column ranges Improved handling for next/prev - Security: (MBaker) - XML filescan in XML-based Readers to prevent XML Entity Expansion (XEE) (see http://projects.webappsec.org/w/page/13247002/XML%20Entity%20Expansion for an explanation of XEE injection) attacks Reference CVE-2015-3542 - Identification of problem courtesy of Dawid Golunski (Pentest Ltd.) 2014-03-02 (v1.8.0): - Bugfix: (MBaker) Work item CP19830 - Undefined variable: fileHandle in CSV Reader - Bugfix: (MBaker) Work item CP19968 - Out of memory in style/supervisor.php - Bugfix: (MBaker) - Style error with merged cells in PDF Writer - Bugfix: (MBaker) - Problem with cloning worksheets - Bugfix: (tavoarcila) Work Item GH-259 - Bug fix reading Open Office files - Bugfix: (MBaker) Work item CP20397 - Serious bug in absolute cell reference used in shared formula Would also have affected insert/delete column/row - Bugfix: (RomanSyroeshko) Work Item GH-267 - CHOOSE() returns "#VALUE!" if the 1st entry is chosen - Bugfix: (Gemorroj) Work Item GH-268 - When duplicating styles, styles shifted by one column to the right Fix also applied to duplicating conditional styles - Bugfix: (IndrekHaav) Work Item GH-212 - Fix for formulae that reference a sheet whose name begins with a digit: these were erroneously identified as numeric values, causing the parser to throw an undefined variable error. - Bugfix: (IndrekHaav) Work Item CP16208 - Fixed undefined variable error due to $styleArray being used before it's initialised - Bugfix: (PowerKi