初始化PHP-Xlswrite扩展
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ykxiao
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library/libxlsxwriter/examples/chart_data_tools.c
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203
library/libxlsxwriter/examples/chart_data_tools.c
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/*
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* A demo of an various Excel chart data tools that are available via a
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* libxlsxwriter chart.
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*
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* These include Drop Lines and High-Low Lines.
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*
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* Copyright 2014-2021, John McNamara, jmcnamara@cpan.org
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*
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*/
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#include "xlsxwriter.h"
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/*
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* Write some data to the worksheet.
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*/
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void write_worksheet_data(lxw_worksheet *worksheet, lxw_format *bold) {
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int row, col;
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uint8_t data[6][3] = {
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/* Three columns of data. */
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{2, 10, 30},
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{3, 40, 60},
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{4, 50, 70},
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{5, 20, 50},
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{6, 10, 40},
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{7, 50, 30}
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};
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worksheet_write_string(worksheet, CELL("A1"), "Number", bold);
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worksheet_write_string(worksheet, CELL("B1"), "Batch 1", bold);
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worksheet_write_string(worksheet, CELL("C1"), "Batch 2", bold);
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for (row = 0; row < 6; row++)
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for (col = 0; col < 3; col++)
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worksheet_write_number(worksheet, row + 1, col, data[row][col] , NULL);
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}
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/*
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* Create a worksheet with examples charts.
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*/
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int main() {
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lxw_workbook *workbook = workbook_new("chart_data_tools.xlsx");
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lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
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lxw_chart_series *series;
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/* Add a bold format to use to highlight the header cells. */
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lxw_format *bold = workbook_add_format(workbook);
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format_set_bold(bold);
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/* Write some data for the chart. */
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write_worksheet_data(worksheet, bold);
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/*
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* Chart 1. Example with High Low Lines.
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*/
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lxw_chart *chart = workbook_add_chart(workbook, LXW_CHART_LINE);
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/* Add a chart title. */
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chart_title_set_name(chart, "Chart with High-Low Lines");
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/* Add the first series to the chart. */
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chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
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chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
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/* Add high-low lines to the chart. */
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chart_set_high_low_lines(chart, NULL);
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/* Insert the chart into the worksheet. */
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worksheet_insert_chart(worksheet, CELL("E2"), chart);
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/*
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* Chart 2. Example with Drop Lines.
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*/
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chart = workbook_add_chart(workbook, LXW_CHART_LINE);
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/* Add a chart title. */
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chart_title_set_name(chart, "Chart with Drop Lines");
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/* Add the first series to the chart. */
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chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
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chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
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/* Add drop lines to the chart. */
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chart_set_drop_lines(chart, NULL);
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/* Insert the chart into the worksheet. */
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worksheet_insert_chart(worksheet, CELL("E18"), chart);
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/*
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* Chart 3. Example with Up-Down bars.
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*/
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chart = workbook_add_chart(workbook, LXW_CHART_LINE);
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/* Add a chart title. */
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chart_title_set_name(chart, "Chart with Up-Down bars");
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/* Add the first series to the chart. */
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chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
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chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
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/* Add Up-Down bars to the chart. */
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chart_set_up_down_bars(chart);
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/* Insert the chart into the worksheet. */
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worksheet_insert_chart(worksheet, CELL("E34"), chart);
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/*
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* Chart 4. Example with Up-Down bars with formatting.
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*/
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chart = workbook_add_chart(workbook, LXW_CHART_LINE);
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/* Add a chart title. */
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chart_title_set_name(chart, "Chart with Up-Down bars");
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/* Add the first series to the chart. */
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chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
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chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
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/* Add Up-Down bars to the chart, with formatting. */
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lxw_chart_line line = {.color = LXW_COLOR_BLACK};
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lxw_chart_fill up_fill = {.color = 0x00B050};
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lxw_chart_fill down_fill = {.color = LXW_COLOR_RED};
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chart_set_up_down_bars_format(chart, &line, &up_fill, &line, &down_fill);
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/* Insert the chart into the worksheet. */
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worksheet_insert_chart(worksheet, CELL("E50"), chart);
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/*
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* Chart 5. Example with Markers and data labels.
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*/
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chart = workbook_add_chart(workbook, LXW_CHART_LINE);
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/* Add a chart title. */
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chart_title_set_name(chart, "Chart with Data Labels and Markers");
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/* Add the first series to the chart. */
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series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
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chart_add_series( chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
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/* Add series markers. */
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chart_series_set_marker_type(series, LXW_CHART_MARKER_CIRCLE);
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/* Add series data labels. */
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chart_series_set_labels(series);
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/* Insert the chart into the worksheet. */
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worksheet_insert_chart(worksheet, CELL("E66"), chart);
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/*
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* Chart 6. Example with Error Bars.
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*/
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chart = workbook_add_chart(workbook, LXW_CHART_LINE);
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/* Add a chart title. */
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chart_title_set_name(chart, "Chart with Error Bars");
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/* Add the first series to the chart. */
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series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
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chart_add_series( chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
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/* Add error bars to show Standard Error. */
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chart_series_set_error_bars(series->y_error_bars,
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LXW_CHART_ERROR_BAR_TYPE_STD_ERROR, 0);
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/* Add series data labels. */
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chart_series_set_labels(series);
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/* Insert the chart into the worksheet. */
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worksheet_insert_chart(worksheet, CELL("E82"), chart);
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/*
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* Chart 7. Example with a trendline
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*/
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chart = workbook_add_chart(workbook, LXW_CHART_LINE);
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/* Add a chart title. */
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chart_title_set_name(chart, "Chart with a Trendline");
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/* Add the first series to the chart. */
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series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
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chart_add_series( chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
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/* Add a polynomial trendline. */
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lxw_chart_line poly_line = {.color = LXW_COLOR_GRAY,
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.dash_type = LXW_CHART_LINE_DASH_LONG_DASH};
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chart_series_set_trendline(series, LXW_CHART_TRENDLINE_TYPE_POLY, 3);
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chart_series_set_trendline_line(series, &poly_line);
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/* Insert the chart into the worksheet. */
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worksheet_insert_chart(worksheet, CELL("E98"), chart);
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return workbook_close(workbook);
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}
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