🍩 环形图生成器Doughnut Chart Maker
输入"名称 数值"生成环形图（也可改回饼图）：自动计算百分比并标注，附占比表，可排序、改标题，下载 PNG。Enter "name value" lines to make a doughnut chart (or switch to a pie): percentages labelled on the slices, a share table, sorting and a title - download as PNG.
使用说明与常见问题How-to & FAQ
「环形图生成器」是什么？What is the Doughnut Chart Maker tool?
输入"名称 数值"生成环形图（也可改回饼图）：自动计算百分比并标注，附占比表，可排序、改标题，下载 PNG。Enter "name value" lines to make a doughnut chart (or switch to a pie): percentages labelled on the slices, a share table, sorting and a title - download as PNG.
如何使用「环形图生成器」？How do I use the Doughnut Chart Maker tool?
在「环形图生成器」中，按需设置「标题」、「百分比精度」、「导出背景」等选项，然后点击「下载 PNG」按钮即可。In the Doughnut Chart Maker: Set "Title", "% decimals", "Export background", then click "Download PNG".
和饼图的区别？vs pie chart?
环形图中间是空的，适合在中间放合计或标题；本页默认环形，也可取消勾选改回饼图。A doughnut is hollow in the middle - handy for a total or title. This page defaults to doughnut; untick to get a pie.
百分比怎么算？How are percentages calculated?
每项数值除以总和；表格里四舍五入后各项相加可能与 100% 相差 0.1% 左右。Each value divided by the total; rounding in the table can leave shares about 0.1% off 100%.
有哪些选项可以调整？What options can I adjust?
「环形图生成器」的设置：「标题」可留空；「百分比精度」可选 0 位小数、1 位小数、2 位小数（默认 1 位小数）；「导出背景」默认 #ffffff；可勾选：「环形图」（默认勾选）、「显示百分比」（默认勾选）、「显示数值」、「按大小排序」、「图例」（默认勾选）。每次生成结果都按当前设置处理。Settings in the Doughnut Chart Maker — "Title" optional; "% decimals": 0 decimals, 1 decimal, 2 decimals (default 1 decimal); "Export background" default #ffffff; tick boxes: "Doughnut" (on by default), "Show %" (on by default), "Show values", "Sort by size", "Legend" (on by default). The result always uses the current settings.
「环形图生成器」免费吗？需要注册吗？Is the Doughnut Chart Maker free? Do I need an account?
「环形图生成器」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Doughnut Chart Maker is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.