初始化PHP-Xlswrite扩展

library/libxlsxwriter/Readme.md

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+# libxlsxwriter
+
+
+Libxlsxwriter: A C library for creating Excel XLSX files.
+
+
+![demo image](http://libxlsxwriter.github.io/demo.png)
+
+
+## The libxlsxwriter library
+
+Libxlsxwriter is a C library that can be used to write text, numbers, formulas
+and hyperlinks to multiple worksheets in an Excel 2007+ XLSX file.
+
+It supports features such as:
+
+- 100% compatible Excel XLSX files.
+- Full Excel formatting.
+- Merged cells.
+- Defined names.
+- Autofilters.
+- Charts.
+- Data validation and drop down lists.
+- Conditional formatting.
+- Worksheet PNG/JPEG/GIF images.
+- Cell comments.
+- Support for adding Macros.
+- Memory optimization mode for writing large files.
+- Source code available on [GitHub](https://github.com/jmcnamara/libxlsxwriter).
+- FreeBSD license.
+- ANSI C.
+- Works with GCC, Clang, Xcode, MSVC 2015, ICC, TCC, MinGW, MingGW-w64/32.
+- Works on Linux, FreeBSD, OpenBSD, OS X, iOS and Windows. Also works on MSYS/MSYS2 and Cygwin.
+- Compiles for 32 and 64 bit.
+- Compiles and works on big and little endian systems.
+- The only dependency is on `zlib`.
+
+Here is an example that was used to create the spreadsheet shown above:
+
+
+```C
+#include "xlsxwriter.h"
+
+int main() {
+
+    /* Create a new workbook and add a worksheet. */
+    lxw_workbook  *workbook  = workbook_new("demo.xlsx");
+    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
+
+    /* Add a format. */
+    lxw_format *format = workbook_add_format(workbook);
+
+    /* Set the bold property for the format */
+    format_set_bold(format);
+
+    /* Change the column width for clarity. */
+    worksheet_set_column(worksheet, 0, 0, 20, NULL);
+
+    /* Write some simple text. */
+    worksheet_write_string(worksheet, 0, 0, "Hello", NULL);
+
+    /* Text with formatting. */
+    worksheet_write_string(worksheet, 1, 0, "World", format);
+
+    /* Write some numbers. */
+    worksheet_write_number(worksheet, 2, 0, 123,     NULL);
+    worksheet_write_number(worksheet, 3, 0, 123.456, NULL);
+
+    /* Insert an image. */
+    worksheet_insert_image(worksheet, 1, 2, "logo.png");
+
+    workbook_close(workbook);
+
+    return 0;
+}
+
+```
+
+
+
+See the [full documentation](http://libxlsxwriter.github.io) for the getting
+started guide, a tutorial, the main API documentation and examples.
+