初始化PHP-Xlswrite扩展

library/libxlsxwriter/examples/chart.c

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+/*
+ * An example of a simple Excel chart using the libxlsxwriter library.
+ *
+ * Copyright 2014-2021, John McNamara, jmcnamara@cpan.org
+ *
+ */
+
+#include "xlsxwriter.h"
+
+/* Write some data to the worksheet. */
+void write_worksheet_data(lxw_worksheet *worksheet) {
+
+    uint8_t data[5][3] = {
+        /* Three columns of data. */
+        {1,   2,   3},
+        {2,   4,   6},
+        {3,   6,   9},
+        {4,   8,  12},
+        {5,  10,  15}
+    };
+
+    int row, col;
+    for (row = 0; row < 5; row++)
+        for (col = 0; col < 3; col++)
+            worksheet_write_number(worksheet, row, col, data[row][col], NULL);
+}
+
+/* Create a worksheet with a chart. */
+int main() {
+
+    lxw_workbook  *workbook  = workbook_new("chart.xlsx");
+    lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
+
+    /* Write some data for the chart. */
+    write_worksheet_data(worksheet);
+
+    /* Create a chart object. */
+    lxw_chart *chart = workbook_add_chart(workbook, LXW_CHART_COLUMN);
+
+    /* Configure the chart. In simplest case we just add some value data
+     * series. The NULL categories will default to 1 to 5 like in Excel.
+     */
+    chart_add_series(chart, NULL, "Sheet1!$A$1:$A$5");
+    chart_add_series(chart, NULL, "Sheet1!$B$1:$B$5");
+    chart_add_series(chart, NULL, "Sheet1!$C$1:$C$5");
+
+
+    lxw_chart_font font = {.bold = LXW_EXPLICIT_FALSE, .color = LXW_COLOR_BLUE};
+
+    chart_title_set_name(chart, "Year End Results");
+    chart_title_set_name_font(chart, &font);
+
+    /* Insert the chart into the worksheet. */
+    worksheet_insert_chart(worksheet, CELL("B7"), chart);
+
+    return workbook_close(workbook);
+}