{"id":122612,"date":"2026-11-05T09:16:41","date_gmt":"2026-11-05T01:16:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/122612.html"},"modified":"2026-11-05T09:16:41","modified_gmt":"2026-11-05T01:16:41","slug":"pyqt6-%e7%ac%ac15%e8%ae%b2-%e6%95%b0%e6%8d%ae%e5%8f%af%e8%a7%86%e5%8c%96qchart","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/122612.html","title":{"rendered":"PyQt6-\u7b2c15\u8bb2-\u6570\u636e\u53ef\u89c6\u5316QChart"},"content":{"rendered":"

\u7b2c 15 \u8bb2 | \u6570\u636e\u53ef\u89c6\u5316：QChart \u4e09\u79cd\u56fe<\/h2>\n

\u672c\u8bb2\u76ee\u6807：\u7528 Qt \u81ea\u5e26\u7684 QtCharts \u753b\u51fa\u67f1\u72b6\u56fe\u3001\u997c\u56fe\u3001\u6298\u7ebf\u56fe，\u7406\u89e3 QChart \u7684\u7ed3\u6784\u548c\u90a3\u4e2a\u5fc5\u8e29\u7684
\nattachAxis \u5751\u3002<\/p>\n

\u914d\u5957\u4ee3\u7801：cases\/c15_charts.py\u5b8c\u6574\u4e0b\u8f7d\u5730\u5740\u8bf7\u770b\u5e95\u90e8<\/p>\n

\n

\u4e00\u3001\u4e3a\u4ec0\u4e48\u7528 QtCharts \u800c\u4e0d\u662f matplotlib<\/h3>\n

\u5728 PyQt \u91cc\u753b\u56fe\u6709\u4e24\u6761\u8def：<\/p>\n\nQtCharts（\u672c\u8bb2）matplotlib \u5d4c\u5165<\/tr>\n\n\n\n\n\n\n\n\n
\u5b89\u88c5<\/td>\npip install PyQt6-Charts<\/td>\npip install matplotlib<\/td>\n<\/tr>\n
\u6e32\u67d3\u5f15\u64ce<\/td>\n\u548c\u754c\u9762\u540c\u4e00\u4e2a（Qt）<\/td>\n\u53e6\u4e00\u5957（\u81ea\u5df1\u753b\u5230 QPixmap \u4e0a）<\/td>\n<\/tr>\n
\u7f29\u653e\u7684\u6e05\u6670\u5ea6<\/td>\n\u77e2\u91cf，\u653e\u5927\u4e0d\u7cca<\/td>\n\u4f4d\u56fe，\u653e\u5927\u6a21\u7cca<\/td>\n<\/tr>\n
\u52a8\u753b<\/td>\n\u5185\u7f6e，\u4e00\u884c\u5f00\u542f<\/td>\n\u9700\u8981\u81ea\u5df1\u5199<\/td>\n<\/tr>\n
\u9f20\u6807\u4ea4\u4e92<\/td>\n\u5185\u7f6e（\u60ac\u505c\u9ad8\u4eae\u3001\u7f29\u653e\u5e73\u79fb）<\/td>\n\u9700\u8981\u81ea\u5df1\u63a5\u4e8b\u4ef6<\/td>\n<\/tr>\n
\u56fe\u8868\u79cd\u7c7b<\/td>\n\u5e38\u7528\u7c7b\u578b\u9f50\u5168<\/td>\n\u6781\u5176\u4e30\u5bcc（3D\u3001\u6781\u5750\u6807\u3001\u8bef\u5dee\u68d2\u2026）<\/td>\n<\/tr>\n
\u4f53\u79ef<\/td>\n\u5c0f<\/td>\n\u5927（\u62d6\u8fdb\u6765\u51e0\u5341 MB）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u7ed3\u8bba：<\/p>\n

    \n
  • \u754c\u9762\u91cc\u5d4c\u56fe\u8868（\u4eea\u8868\u76d8\u3001\u76d1\u63a7\u9762\u677f\u3001\u62a5\u8868\u5de5\u5177）\u2192 QtCharts<\/li>\n
  • \u505a\u6570\u636e\u5206\u6790\u56fe（\u7edf\u8ba1\u5206\u5e03\u3001\u590d\u6742\u79d1\u5b66\u56fe\u8868）\u2192 matplotlib，\u751a\u81f3\u76f4\u63a5\u751f\u6210\u56fe\u7247\u5b58\u6587\u4ef6<\/li>\n<\/ul>\n

    \u8fd8\u6709\u4e00\u4e2a\u5b9e\u7528\u7406\u7531：QtCharts \u7684\u56fe\u8868\u662f Qt \u5bf9\u8c61，\u80fd\u4eab\u53d7 Qt \u7684\u5168\u90e8\u80fd\u529b\u2014\u2014
    \n\u4f60\u53ef\u4ee5\u628a\u56fe\u8868\u653e\u8fdb\u5e03\u5c40\u91cc\u3001\u80fd\u54cd\u5e94\u9f20\u6807\u4e8b\u4ef6\u3001\u80fd\u4fdd\u5b58 QPixmap\u3002
    \n\u800c matplotlib \u53ea\u662f"\u5728\u4e00\u5f20\u753b\u5e03\u4e0a\u753b"，\u548c\u754c\u9762\u7684\u878d\u5408\u5ea6\u5dee\u4e00\u5c42\u3002<\/p>\n

    \n

    \u4e8c\u3001QChart \u548c QChartView<\/h3>\n

    \u5148\u8bb0\u4f4f\u8fd9\u4e24\u4e2a\u7c7b\u7684\u5173\u7cfb：<\/p>\n\n\u7c7b\u89d2\u8272\u7c7b\u6bd4<\/tr>\n\n\n\n
    QChart<\/td>\n\u753b\u5e03：\u88c5\u6570\u636e\u7cfb\u5217\u3001\u5750\u6807\u8f74\u3001\u6807\u9898\u3001\u56fe\u4f8b<\/td>\n\u4e00\u53f0\u663e\u793a\u5668\u7684"\u753b\u9762\u5185\u5bb9"<\/td>\n<\/tr>\n
    QChartView<\/td>\n\u663e\u793a\u5668：\u628a QChart \u663e\u793a\u51fa\u6765<\/td>\n\u663e\u793a\u5668\u672c\u8eab<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    from<\/span> PyQt6.<\/span>QtCharts import<\/span> QChart,<\/span> QChartView<\/p>\n

    chart =<\/span> QChart(<\/span>)<\/span>
    \nchart.<\/span>setTitle(<\/span>"\u6211\u7684\u7b2c\u4e00\u5f20\u56fe"<\/span>)<\/span>
    \n# … \u5f80 chart \u91cc\u52a0\u6570\u636e …<\/span><\/p>\n

    view =<\/span> QChartView(<\/span>chart)<\/span>
    \nview.<\/span>setRenderHint(<\/span>QPainter.<\/span>RenderHint.<\/span>Antialiasing)<\/span> # \u2605 \u5f00\u6297\u952f\u9f7f<\/span><\/p>\n

    setRenderHint(Antialiasing) \u4e00\u5b9a\u8981\u52a0\u3002\u4e0d\u52a0\u7684\u8bdd\u659c\u7ebf\u662f\u952f\u9f7f\u72b6\u7684，
    \n\u5c24\u5176\u662f\u6298\u7ebf\u56fe\u548c\u997c\u56fe\u7684\u659c\u8fb9，\u4e00\u773c\u5c31\u80fd\u770b\u51fa"\u5f88\u571f"\u3002<\/p>\n

    \n

    \u4e09\u3001\u67f1\u72b6\u56fe：\u6700\u5e38\u7528\u7684\u56fe<\/h3>\n

    \u67f1\u72b6\u56fe\u7531\u4e09\u4e2a\u5bf9\u8c61\u7ec4\u6210：\u6570\u636e\u96c6\u5408（QBarSet）\u2192 \u7cfb\u5217（QBarSeries）\u2192 \u753b\u5e03（QChart）<\/p>\n

    from<\/span> PyQt6.<\/span>QtCharts import<\/span> QBarCategoryAxis,<\/span> QBarSeries,<\/span> QBarSet,<\/span> QValueAxis<\/p>\n

    def<\/span> build_bar_chart<\/span>(<\/span>)<\/span> –<\/span>><\/span> QChart:<\/span>
    \n rows =<\/span> load_products(<\/span>)<\/span> # [(\u540d\u79f0, \u5206\u7c7b, \u5355\u4ef7, \u5e93\u5b58), …]<\/span><\/p>\n

    bar_set =<\/span> QBarSet(<\/span>"\u5355\u4ef7（\u5143）"<\/span>)<\/span> # \u2460 \u4e00\u4e2a BarSet = \u4e00\u7ec4\u6570\u636e<\/span>
    \n categories =<\/span> [<\/span>]<\/span>
    \n for<\/span> name,<\/span> _cat,<\/span> price,<\/span> _stock in<\/span> rows:<\/span>
    \n bar_set.<\/span>append(<\/span>[<\/span>price]<\/span>)<\/span> # \u6ce8\u610f：\u53c2\u6570\u662f\u5217\u8868，\u4e0d\u662f\u5355\u4e2a\u6570\u5b57<\/span>
    \n categories.<\/span>append(<\/span>name)<\/span><\/p>\n

    series =<\/span> QBarSeries(<\/span>)<\/span> # \u2461 \u7cfb\u5217<\/span>
    \n series.<\/span>append(<\/span>bar_set)<\/span><\/p>\n

    chart =<\/span> QChart(<\/span>)<\/span> # \u2462 \u753b\u5e03<\/span>
    \n chart.<\/span>addSeries(<\/span>series)<\/span>
    \n chart.<\/span>setTitle(<\/span>"\u4ea7\u54c1\u5355\u4ef7\u5bf9\u6bd4"<\/span>)<\/span>
    \n chart.<\/span>setAnimationOptions(<\/span>QChart.<\/span>AnimationOption.<\/span>SeriesAnimations)<\/span><\/p>\n

    # \u6a2a\u8f74：\u6587\u5b57\u7c7b\u76ee\u8f74<\/span>
    \n axis_x =<\/span> QBarCategoryAxis(<\/span>)<\/span>
    \n axis_x.<\/span>append(<\/span>categories)<\/span>
    \n chart.<\/span>addAxis(<\/span>axis_x,<\/span> Qt.<\/span>AlignmentFlag.<\/span>AlignBottom)<\/span>
    \n series.<\/span>attachAxis(<\/span>axis_x)<\/span> # \u2605 \u5fc5\u987b\u6302\u4e0a，\u5426\u5219\u8f74\u4e0d\u663e\u793a<\/span><\/p>\n

    # \u7eb5\u8f74：\u6570\u503c\u8f74<\/span>
    \n axis_y =<\/span> QValueAxis(<\/span>)<\/span>
    \n axis_y.<\/span>setRange(<\/span>0<\/span>,<\/span> max<\/span>(<\/span>r[<\/span>2<\/span>]<\/span> for<\/span> r in<\/span> rows)<\/span> *<\/span> 1.2<\/span>)<\/span>
    \n axis_y.<\/span>setTitleText(<\/span>"\u5355\u4ef7（\u5143）"<\/span>)<\/span>
    \n axis_y.<\/span>setLabelFormat(<\/span>"%.0f"<\/span>)<\/span>
    \n chart.<\/span>addAxis(<\/span>axis_y,<\/span> Qt.<\/span>AlignmentFlag.<\/span>AlignLeft)<\/span>
    \n series.<\/span>attachAxis(<\/span>axis_y)<\/span> # \u2605<\/span><\/p>\n

    return<\/span> chart<\/p>\n

    \u56db\u4e2a\u5fc5\u987b\u8bb0\u4f4f\u7684\u70b9<\/h4>\n

    \u2460 bar_set.append([price]) \u53c2\u6570\u662f\u5217\u8868<\/p>\n

    \u4e0d\u662f append(price)\u3002\u56e0\u4e3a\u5b83\u652f\u6301\u591a\u7ec4\u6570\u636e\u7cfb\u5217，
    \nappend([12, 15, 18]) \u8868\u793a\u8fd9\u4e00\u7ec4\u8981\u753b\u4e09\u6839\u67f1\u5b50（\u4e09\u7ec4\u7cfb\u5217\u5bf9\u6bd4）\u3002
    \n\u5199\u9519\u4f1a\u62a5\u53c2\u6570\u7c7b\u578b\u9519\u8bef\u3002<\/p>\n

    \u2461 \u5750\u6807\u8f74\u5fc5\u987b attachAxis()<\/p>\n

    \u8fd9\u662f\u65b0\u624b\u7b2c\u4e00\u5927\u5751\u3002chart.addAxis() \u53ea\u662f\u628a\u8f74\u52a0\u5230\u753b\u5e03\u4e0a，
    \n\u7cfb\u5217\u548c\u8f74\u8fd8\u662f\u4e24\u6761\u5e73\u884c\u7ebf\u3002\u5fc5\u987b series.attachAxis(axis) \u5efa\u7acb\u5173\u8054，
    \n\u6570\u636e\u624d\u4f1a\u6309\u8fd9\u4e2a\u8f74\u7684\u8303\u56f4\u6620\u5c04\u5230\u5c4f\u5e55\u4e0a\u3002<\/p>\n

    \u5fd8\u4e86 attachAxis \u7684\u75c7\u72b6：\u5750\u6807\u8f74\u663e\u793a\u51fa\u6765\u4e86（\u6709\u523b\u5ea6\u548c\u6807\u7b7e），
    \n\u4f46\u56fe\u91cc\u4ec0\u4e48\u90fd\u6ca1\u6709\u3002\u9047\u5230"\u56fe\u662f\u7a7a\u7684\u4f46\u8f74\u5728"\u7684\u60c5\u51b5，\u5148\u68c0\u67e5\u8fd9\u4e00\u884c\u3002<\/p>\n

    \u2462 \u4e24\u6761\u8f74\u90fd\u8981\u6302<\/p>\n

    \u6a2a\u8f74\u548c\u7eb5\u8f74\u90fd\u8981 attachAxis\u3002\u53ea\u6302\u4e00\u6761，\u56fe\u4f1a\u753b\u5f97\u4e71\u4e03\u516b\u7cdf\u3002<\/p>\n

    \u2463 \u7eb5\u8f74\u8303\u56f4\u8981\u7559\u8fb9\u8ddd<\/p>\n

    axis_y.<\/span>setRange(<\/span>0<\/span>,<\/span> max<\/span>(<\/span>.<\/span>.<\/span>.<\/span>)<\/span> *<\/span> 1.2<\/span>)<\/span><\/p>\n

    \u4e0d\u4e58 1.2 \u7684\u8bdd，\u6700\u9ad8\u7684\u90a3\u6839\u67f1\u5b50\u4f1a\u9876\u5230\u753b\u9762\u9876\u90e8，\u770b\u8d77\u6765\u5f88\u6324（\u751a\u81f3\u88ab\u88c1\u6389）\u3002
    \n\u7559 20% \u4f59\u91cf\u662f\u901a\u7528\u505a\u6cd5\u3002<\/p>\n

    \n

    \u56db\u3001\u997c\u56fe：\u6ce8\u610f\u4e0d\u8981\u4f20\u8868\u5934<\/h3>\n

    from<\/span> PyQt6.<\/span>QtCharts import<\/span> QPieSeries<\/p>\n

    def<\/span> build_pie_chart<\/span>(<\/span>)<\/span> –<\/span>><\/span> QChart:<\/span>
    \n series =<\/span> QPieSeries(<\/span>)<\/span>
    \n data =<\/span> load_category_share(<\/span>)<\/span> # [(\u5206\u7c7b, \u91d1\u989d), …]<\/span>
    \n total =<\/span> sum<\/span>(<\/span>v for<\/span> _k,<\/span> v in<\/span> data)<\/span><\/p>\n

    for<\/span> name,<\/span> value in<\/span> data:<\/span>
    \n sl =<\/span> series.<\/span>append(<\/span>name,<\/span> value)<\/span>
    \n sl.<\/span>setLabel(<\/span>f"<\/span>{<\/span>name}<\/span><\/span> <\/span>{<\/span>value \/<\/span> total *<\/span> 100<\/span>:<\/span>.1f<\/span>}<\/span><\/span>%"<\/span><\/span>)<\/span> # \u6807\u7b7e\u5e26\u767e\u5206\u6bd4<\/span>
    \n # \u5360\u6bd4\u6700\u5927\u7684\u90a3\u5757"\u70b8\u5f00"，\u89c6\u89c9\u91cd\u70b9\u66f4\u6e05\u695a<\/span>
    \n if<\/span> value ==<\/span> max<\/span>(<\/span>v for<\/span> _k,<\/span> v in<\/span> data)<\/span>:<\/span>
    \n sl.<\/span>setExploded(<\/span>True<\/span>)<\/span>
    \n sl.<\/span>setLabelVisible(<\/span>True<\/span>)<\/span><\/p>\n

    chart =<\/span> QChart(<\/span>)<\/span>
    \n chart.<\/span>addSeries(<\/span>series)<\/span>
    \n chart.<\/span>setTitle(<\/span>"\u5404\u7c7b\u4ea7\u54c1\u5e93\u5b58\u91d1\u989d\u5360\u6bd4"<\/span>)<\/span>
    \n chart.<\/span>setAnimationOptions(<\/span>QChart.<\/span>AnimationOption.<\/span>SeriesAnimations)<\/span>
    \n chart.<\/span>legend(<\/span>)<\/span>.<\/span>setAlignment(<\/span>Qt.<\/span>AlignmentFlag.<\/span>AlignRight)<\/span>
    \n return<\/span> chart<\/p>\n

    QPieSeries.append(\u6807\u7b7e, \u6570\u503c) \u76f4\u63a5\u4e24\u4e2a\u53c2\u6570，\u6bd4\u67f1\u72b6\u56fe\u7b80\u5355，\u4e0d\u9700\u8981\u5750\u6807\u8f74\u3002<\/p>\n

    \u4e24\u4e2a\u5b9e\u7528\u6280\u5de7：<\/p>\n

    \u2460 setExploded(True) \u8ba9\u67d0\u4e00\u5757"\u70b8\u5f00"
    \n\u5360\u6bd4\u6700\u5927\u7684\u90a3\u5757\u5355\u72ec\u5206\u79bb\u51fa\u6765，\u89c6\u89c9\u4e0a\u7acb\u523b\u6709\u4e86\u91cd\u70b9\u3002\u8fd9\u662f\u997c\u56fe\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u4f46\u6548\u679c\u6700\u597d\u7684\u8bbe\u7f6e\u3002<\/p>\n

    \u2461 \u6807\u7b7e\u5e26\u767e\u5206\u6bd4
    \nsetLabel(f"{name} {ratio:.1f}%") \u2014\u2014 \u5149\u770b\u56fe\u770b\u4e0d\u51fa\u7cbe\u786e\u5360\u6bd4，\u52a0\u4e0a\u6570\u5b57\u624d\u5b9e\u7528\u3002<\/p>\n

    \u2462 \u997c\u56fe\u4e0d\u8981\u4f20\u8868\u5934\u6570\u636e<\/p>\n

    \u5982\u679c\u4f60\u628a"\u5206\u7c7b\u540d\u79f0"\u90a3\u4e00\u5217\u4e5f\u5f53\u6570\u636e\u4f20\u8fdb\u53bb，\u5b83\u4f1a\u53d8\u6210\u4e00\u4e2a\u5de8\u5927\u7684\u6247\u5f62\u3002
    \n\u997c\u56fe\u7684\u6570\u636e\u8303\u56f4\u53ea\u5305\u542b\u6570\u503c\u5217\u3002<\/p>\n

    \n

    \u4e94\u3001\u6298\u7ebf\u56fe：x \u8f74\u7528\u5e8f\u53f7，\u518d\u7528\u6587\u5b57\u8f74\u6807\u6ce8<\/h3>\n

    \u6298\u7ebf\u56fe\u7684 x \u8f74\u662f\u8fde\u7eed\u7684\u6570\u503c，\u4f46\u6211\u4eec\u7684\u6a2a\u8f74\u5f80\u5f80\u662f"1\u6708\u30012\u6708\u30013\u6708"\u8fd9\u6837\u7684\u6587\u5b57\u3002
    \n\u6807\u51c6\u7684\u5904\u7406\u65b9\u5f0f\u662f：x \u7528 0,1,2,\u2026 \u5e8f\u53f7，\u518d\u7528 QBarCategoryAxis \u6807\u6ce8\u6587\u5b57\u3002<\/p>\n

    def<\/span> build_line_chart<\/span>(<\/span>)<\/span> –<\/span>><\/span> QChart:<\/span>
    \n months,<\/span> values =<\/span> load_monthly_sales(<\/span>)<\/span><\/p>\n

    series =<\/span> QLineSeries(<\/span>)<\/span>
    \n series.<\/span>setName(<\/span>"\u9500\u552e\u989d（\u4e07\u5143）"<\/span>)<\/span>
    \n for<\/span> i,<\/span> v in<\/span> enumerate<\/span>(<\/span>values)<\/span>:<\/span>
    \n series.<\/span>append(<\/span>float<\/span>(<\/span>i)<\/span>,<\/span> v)<\/span> # x \u7528\u5e8f\u53f7<\/span><\/p>\n

    chart =<\/span> QChart(<\/span>)<\/span>
    \n chart.<\/span>addSeries(<\/span>series)<\/span>
    \n chart.<\/span>setTitle(<\/span>"2026 \u5e74\u9500\u552e\u989d\u8d8b\u52bf"<\/span>)<\/span>
    \n chart.<\/span>setAnimationOptions(<\/span>QChart.<\/span>AnimationOption.<\/span>SeriesAnimations)<\/span><\/p>\n

    axis_x =<\/span> QBarCategoryAxis(<\/span>)<\/span>
    \n axis_x.<\/span>append(<\/span>months)<\/span> # \u2605 \u7528\u7c7b\u76ee\u8f74\u6807\u6ce8\u6708\u4efd\u6587\u5b57<\/span>
    \n chart.<\/span>addAxis(<\/span>axis_x,<\/span> Qt.<\/span>AlignmentFlag.<\/span>AlignBottom)<\/span>
    \n series.<\/span>attachAxis(<\/span>axis_x)<\/span><\/p>\n

    axis_y =<\/span> QValueAxis(<\/span>)<\/span>
    \n axis_y.<\/span>setRange(<\/span>0<\/span>,<\/span> max<\/span>(<\/span>values)<\/span> *<\/span> 1.2<\/span>)<\/span>
    \n axis_y.<\/span>setTitleText(<\/span>"\u9500\u552e\u989d（\u4e07\u5143）"<\/span>)<\/span>
    \n chart.<\/span>addAxis(<\/span>axis_y,<\/span> Qt.<\/span>AlignmentFlag.<\/span>AlignLeft)<\/span>
    \n series.<\/span>attachAxis(<\/span>axis_y)<\/span>
    \n return<\/span> chart<\/p>\n

    \u6ce8\u610f series.append(float(i), v) \u7684 x \u662f\u6d6e\u70b9\u6570，
    \nQLineSeries \u7684 append \u7b7e\u540d\u662f (x: float, y: float)，\u4f20 int \u4e5f\u80fd\u8dd1\u4f46\u5efa\u8bae\u7edf\u4e00\u7528 float\u3002<\/p>\n

    \u6298\u7ebf\u56fe\u7684\u6837\u5f0f\u8bbe\u7f6e（\u53ef\u9009）：<\/p>\n

    pen =<\/span> series.<\/span>pen(<\/span>)<\/span>
    \npen.<\/span>setWidth(<\/span>3<\/span>)<\/span>
    \npen.<\/span>setColor(<\/span>QColor(<\/span>"#2d7ff9"<\/span>)<\/span>)<\/span>
    \nseries.<\/span>setPen(<\/span>pen)<\/span><\/p>\n

    series.<\/span>setPointsVisible(<\/span>True<\/span>)<\/span> # \u663e\u793a\u6570\u636e\u70b9<\/span><\/p>\n

    \n

    \u516d\u3001\u4e3b\u9898\u3001\u52a8\u753b\u3001\u5bfc\u51fa\u56fe\u7247<\/h3>\n

    \u4e3b\u9898<\/h4>\n

    chart.<\/span>setTheme(<\/span>QChart.<\/span>ChartTheme.<\/span>ChartThemeLight)<\/span> # \u6d45\u8272<\/span>
    \nchart.<\/span>setTheme(<\/span>QChart.<\/span>ChartTheme.<\/span>ChartThemeDark)<\/span> # \u6df1\u8272<\/span>
    \nchart.<\/span>setTheme(<\/span>QChart.<\/span>ChartTheme.<\/span>ChartThemeBlueCerulean)<\/span> # \u84dd\u8272\u7cfb<\/span><\/p>\n

    \u4e3b\u9898\u5fc5\u987b\u5728\u52a0\u6570\u636e\u4e4b\u524d\u8bbe\u7f6e，\u5426\u5219\u90e8\u5206\u6837\u5f0f\u4e0d\u751f\u6548\u3002
    \n\u672c\u6848\u4f8b\u7684"\u5207\u6362\u4e3b\u9898"\u6309\u94ae\u5c31\u662f\u91cd\u65b0\u6784\u5efa\u56fe\u8868（\u4fdd\u8bc1\u4e3b\u9898\u751f\u6548）：<\/p>\n

    def<\/span> show_chart<\/span>(<\/span>self,<\/span> name:<\/span> str<\/span>)<\/span> –<\/span>><\/span> None<\/span>:<\/span>
    \n builder =<\/span> BUILDERS.<\/span>get(<\/span>name)<\/span>
    \n chart =<\/span> builder(<\/span>)<\/span>
    \n chart.<\/span>setTheme(<\/span>QChart.<\/span>ChartTheme.<\/span>ChartThemeDark if<\/span> self.<\/span>dark
    \n else<\/span> QChart.<\/span>ChartTheme.<\/span>ChartThemeLight)<\/span>
    \n self.<\/span>view.<\/span>setChart(<\/span>chart)<\/span><\/p>\n

    \u6ce8\u610f\u8981\u91cd\u65b0 setChart()：\u6539\u53d8\u5df2\u6709 chart \u7684\u4e3b\u9898\u4f1a\u6709\u6b8b\u7559\u6837\u5f0f，
    \n\u91cd\u65b0\u6784\u5efa\u6700\u5e72\u51c0\u3002<\/p>\n

    \u52a8\u753b<\/h4>\n

    chart.<\/span>setAnimationOptions(<\/span>QChart.<\/span>AnimationOption.<\/span>SeriesAnimations)<\/span> # \u7cfb\u5217\u52a8\u753b<\/span>
    \nchart.<\/span>setAnimationOptions(<\/span>QChart.<\/span>AnimationOption.<\/span>AllAnimations)<\/span> # \u6240\u6709\u52a8\u753b<\/span>
    \nchart.<\/span>setAnimationDuration(<\/span>800<\/span>)<\/span> # \u65f6\u957f（\u6beb\u79d2）<\/span><\/p>\n

    \u52a8\u753b\u4e0d\u53ea\u662f\u597d\u770b：\u6570\u636e\u5237\u65b0\u65f6，\u67f1\u5b50\u4ece\u65e7\u9ad8\u5ea6\u957f\u5230\u65b0\u9ad8\u5ea6，
    \n\u7528\u6237\u80fd\u76f4\u89c2\u611f\u53d7\u5230"\u6570\u503c\u53d8\u4e86"\u3002\u5728\u5b9e\u65f6\u76d1\u63a7\u9762\u677f\u91cc\u8fd9\u4e2a\u6548\u679c\u5f88\u6709\u4ef7\u503c（\u4e0b\u4e00\u8bb2）\u3002<\/p>\n

    \u5bfc\u51fa\u56fe\u7247<\/h4>\n

    self.<\/span>view.<\/span>grab(<\/span>)<\/span>.<\/span>save(<\/span>"\u56fe\u8868\u5bfc\u51fa.png"<\/span>)<\/span><\/p>\n

    QWidget.grab() \u6293\u7684\u662f"\u63a7\u4ef6\u5f53\u524d\u663e\u793a\u7684\u6837\u5b50"，\u5206\u8fa8\u7387\u8ddf\u63a7\u4ef6\u5927\u5c0f\u4e00\u81f4\u3002
    \n\u60f3\u8981\u9ad8\u5206\u8fa8\u7387，\u53ef\u4ee5\u5728\u6293\u4e4b\u524d\u4e34\u65f6\u653e\u5927\u63a7\u4ef6，\u6216\u8005\u7528 QChart \u7684 QPixmap \u5bfc\u51fa\u80fd\u529b\u3002<\/p>\n

    \n

    \u4e03\u3001\u4e00\u4e2a\u5b8c\u6574\u6848\u4f8b\u7684\u754c\u9762<\/h3>\n

    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
    \n\u2502 \u56fe\u8868\u7c7b\u578b \u2502 \u2502
    \n\u2502 \u25b8 \u67f1\u72b6\u56fe \u2502 \u2502
    \n\u2502 \u997c\u56fe \u2502 QChartView \u2502
    \n\u2502 \u6298\u7ebf\u56fe \u2502 （\u663e\u793a\u9009\u4e2d\u7684\u56fe） \u2502
    \n\u2502 \u2502 \u2502
    \n\u2502 [\u5bfc\u51fa\u4e3a\u56fe\u7247] \u2502 \u2502
    \n\u2502 [\u5207\u6362\u4e3b\u9898] \u2502 \u2502
    \n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n

    \u5de6\u4fa7\u5217\u8868\u5207\u6362\u56fe\u8868，\u53f3\u4fa7\u4e00\u4e2a QChartView \u590d\u7528：<\/p>\n

    self.<\/span>list_types.<\/span>currentTextChanged.<\/span>connect(<\/span>self.<\/span>show_chart)<\/span><\/p>\n

    def<\/span> show_chart<\/span>(<\/span>self,<\/span> name:<\/span> str<\/span>)<\/span> –<\/span>><\/span> None<\/span>:<\/span>
    \n chart =<\/span> BUILDERS[<\/span>name]<\/span>(<\/span>)<\/span> # \u2605 \u6bcf\u6b21\u91cd\u65b0\u6784\u5efa<\/span>
    \n chart.<\/span>setTheme(<\/span>.<\/span>.<\/span>.<\/span>)<\/span>
    \n self.<\/span>view.<\/span>setChart(<\/span>chart)<\/span><\/p>\n

    \u7528\u5b57\u5178\u7ba1\u7406\u6784\u5efa\u51fd\u6570\u662f\u4e2a\u597d\u6a21\u5f0f：<\/p>\n

    BUILDERS =<\/span> {<\/span>
    \n CHART_TYPES[<\/span>0<\/span>]<\/span>:<\/span> build_bar_chart,<\/span>
    \n CHART_TYPES[<\/span>1<\/span>]<\/span>:<\/span> build_pie_chart,<\/span>
    \n CHART_TYPES[<\/span>2<\/span>]<\/span>:<\/span> build_line_chart,<\/span>
    \n}<\/span><\/p>\n

    \u8981\u52a0\u65b0\u56fe\u8868\u7c7b\u578b，\u53ea\u9700\u5199\u4e00\u4e2a\u51fd\u6570 + \u52a0\u4e00\u884c\u5b57\u5178，\u4e0d\u7528\u6539\u754c\u9762\u903b\u8f91\u3002
    \n\u8fd9\u662f"\u53ef\u6269\u5c55"\u7684\u5177\u4f53\u5199\u6cd5，\u6bd4\u4e00\u4e32 if-elif \u597d\u5f97\u591a\u3002<\/p>\n

    \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    \u516b\u3001\u56db\u4e2a\u5751<\/h3>\n

    \u5751 1：\u56fe\u662f\u7a7a\u7684，\u4f46\u5750\u6807\u8f74\u663e\u793a\u51fa\u6765\u4e86
    \n\u5fd8\u8bb0 series.attachAxis(axis_x) \u548c attachAxis(axis_y)\u3002<\/p>\n

    \u5751 2：QBarSet.append \u4f20\u4e86\u5355\u4e2a\u6570\u5b57
    \n\u53c2\u6570\u5fc5\u987b\u662f\u5217\u8868\u5f62\u5f0f append([12])，\u56e0\u4e3a\u5b83\u652f\u6301\u591a\u7cfb\u5217\u5bf9\u6bd4\u3002<\/p>\n

    \u5751 3：\u997c\u56fe\u628a\u6807\u7b7e\u5217\u5f53\u6570\u636e\u4f20\u4e86
    \n\u997c\u56fe\u53ea\u4f20\u6570\u503c\u5217\u3002<\/p>\n

    \u5751 4：\u5fd8\u4e86\u88c5 PyQt6-Charts
    \nModuleNotFoundError: No module named 'PyQt6.QtCharts'\u3002
    \nQtCharts \u4e0d\u5728 PyQt6 \u4e3b\u5305\u91cc，\u5fc5\u987b\u5355\u72ec pip install PyQt6-Charts\u3002<\/p>\n

    \n

    \u4e5d\u3001\u5c0f\u7ed3<\/h3>\n
      \n
    • QChart \u662f\u753b\u5e03，QChartView \u662f\u663e\u793a\u5668，setChart() \u628a\u4e24\u8005\u8fde\u8d77\u6765<\/li>\n
    • \u67f1\u72b6\u56fe\u4e09\u6b65：QBarSet \u2192 QBarSeries \u2192 QChart，\u4e24\u6761\u8f74\u90fd\u8981 attachAxis<\/li>\n
    • \u997c\u56fe\u6700\u7b80\u5355：series.append(\u6807\u7b7e, \u503c) + setExploded \u7a81\u51fa\u91cd\u70b9<\/li>\n
    • \u6298\u7ebf\u56fe x \u7528\u5e8f\u53f7，\u6587\u5b57\u6807\u6ce8\u4ea4\u7ed9 QBarCategoryAxis<\/li>\n
    • \u4e3b\u9898\u8981\u5728\u52a0\u6570\u636e\u524d\u8bbe；\u5207\u6362\u4e3b\u9898\u6700\u5e72\u51c0\u7684\u505a\u6cd5\u662f\u91cd\u5efa\u56fe\u8868<\/li>\n<\/ul>\n

      \u73b0\u5728\u4f60\u80fd\u753b\u51fa\u9759\u6001\u7684\u56fe\u8868\u4e86\u3002\u4f46\u771f\u5b9e\u573a\u666f\u91cc，\u6570\u636e\u662f\u4e00\u76f4\u5728\u53d8\u7684\u2014\u2014
      \n\u8bbe\u5907\u6e29\u5ea6\u6bcf\u79d2\u4e0a\u62a5\u4e00\u6b21\u3001\u80a1\u4ef7\u4e00\u76f4\u5728\u8df3\u3001\u65e5\u5fd7\u4e00\u76f4\u5728\u6eda\u52a8\u3002<\/p>\n

      \u4e0b\u4e00\u8bb2：\u5b9e\u65f6\u6570\u636e\u76d1\u63a7\u9762\u677f\u3002\u6211\u4eec\u4f1a\u7528 QTimer \u9a71\u52a8\u754c\u9762\u5237\u65b0，
      \n\u753b\u51fa"\u4e00\u76f4\u5728\u6eda\u52a8\u7684\u66f2\u7ebf"，\u5e76\u8bb2\u6e05\u4e24\u4e2a\u6027\u80fd\u5173\u952e\u70b9：
      \n\u4e3a\u4ec0\u4e48 series.replace() \u6bd4\u9010\u70b9 append \u5feb\u5f97\u591a，\u4ee5\u53ca
      \nQTimer \u7684\u95f4\u9694\u8be5\u600e\u4e48\u5b9a\u3002<\/p>\n

      \n

      \u672c\u8bb2\u662f\u300aPyQt6 \u5ba2\u6237\u7aef\u7f16\u7a0b\u4ece\u5165\u95e8\u5230\u5b9e\u6218\u300b\u4e13\u680f\u7684\u7b2c 15 \u8bb2\u3002\u4e13\u680f\u5171 22 \u8bb2\u300122 \u4e2a\u53ef\u8fd0\u884c\u6848\u4f8b\u3002
      \n\u5b8c\u6574\u4e0b\u8f7d\u5730\u5740：git clone https:\/\/gitee.com\/wuyikui555\/pyqt6-client.git\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u7b2c 15 \u8bb2 | \u6570\u636e\u53ef\u89c6\u5316：QChart \u4e09\u79cd\u56fe\u672c\u8bb2\u76ee\u6807：\u7528 Qt \u81ea\u5e26\u7684 QtCharts \u753b\u51fa\u67f1\u72b6\u56fe\u3001\u997c\u56fe\u3001\u6298\u7ebf\u56fe，\u7406\u89e3 QChart \u7684\u7ed3\u6784\u548c\u90a3\u4e2a\u5fc5\u8e29\u7684
      \nattachAxis \u5751\u3002
      \n\u914d\u5957\u4ee3\u7801：cases\/c15_charts.py\u5b8c\u6574\u4e0b\u8f7d\u5730\u5740\u8bf7\u770b\u5e95\u90e8\u4e00\u3001\u4e3a\u4ec0\u4e48\u7528 QtCharts \u800c\u4e0d\u662f matplotlib
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