功能: 服务端生成完整报告并保护单任务

- 使用 libxlsxwriter 常量内存导出 Excel\n- 增加全局任务占用提示与原始数据持久化\n- 保留运行时任务数据并更新接口文档

third_party/libxlsxwriter_repo/examples/demo.c

@@ -0,0 +1,41 @@
+/*
+ * A simple example of some of the features of the libxlsxwriter library.
+ *
+ * Copyright 2014-2021, John McNamara, jmcnamara@cpan.org
+ *
+ */
+
+#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;
+}