{"id":67781,"date":"2026-01-29T06:41:14","date_gmt":"2026-01-28T22:41:14","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/67781.html"},"modified":"2026-01-29T06:41:14","modified_gmt":"2026-01-28T22:41:14","slug":"qt%e5%b8%b8%e7%94%a8%e6%8e%a7%e4%bb%b6%e4%b9%8bqdial%e5%92%8cqslider","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/67781.html","title":{"rendered":"Qt\u5e38\u7528\u63a7\u4ef6\u4e4bQDial\u548cQSlider"},"content":{"rendered":"<\/p>\n<h4>Qt\u5e38\u7528\u63a7\u4ef6\u4e4bQDial<\/h4>\n<ul>\n<li>1.QDial\u7b80\u4ecb<\/li>\n<li>2.QDial\u7684\u4f7f\u7528<\/li>\n<li>3.QSlider\u7b80\u4ecb<\/li>\n<li>4.\u4f7f\u7528QSlider\u8c03\u6574\u7a97\u53e3\u5927\u5c0f<\/li>\n<li>5.\u4f7f\u7528\u5feb\u6377\u952e\u63a7\u5236QSlider<\/li>\n<\/ul>\n<p>&#x1f31f;&#x1f31f;hello&#xff0c;\u5404\u4f4d\u8bfb\u8005\u5927\u5927\u4eec\u4f60\u4eec\u597d\u5440&#x1f31f;&#x1f31f; &#x1f680;&#x1f680;\u7cfb\u5217\u4e13\u680f&#xff1a;\u3010Qt\u7684\u5b66\u4e60\u3011 &#x1f4dd;&#x1f4dd;\u672c\u7bc7\u5185\u5bb9&#xff1a;QDial\u7b80\u4ecb&#xff1b;QDial\u7684\u4f7f\u7528&#xff1b;QSlider\u7b80\u4ecb&#xff1b;\u4f7f\u7528QSlider\u8c03\u6574\u7a97\u53e3\u5927\u5c0f&#xff1b;\u4f7f\u7528\u5feb\u6377\u952e\u63a7\u5236QSlider \u2b06\u2b06\u2b06\u2b06\u4e0a\u4e00\u7bc7&#xff1a;Qt\u591a\u5143\u7d20\u63a7\u4ef6\u4e4bQListWidget &#x1f496;&#x1f496;\u4f5c\u8005\u7b80\u4ecb&#xff1a;\u8f69\u60c5\u5416&#xff0c;\u8bf7\u591a\u591a\u6307\u6559(&gt;&gt; \u2022\u0300\u058a\u2022\u0301 ) \u0341\u0316-<\/p>\n<h2>1.QDial\u7b80\u4ecb<\/h2>\n<p>QDail\u662f\u4e00\u4e2a\u65cb\u94ae\u63a7\u4ef6&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u9f20\u6807\u62d6\u52a8\u65cb\u94ae\u65cb\u8f6c <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260128224109-697a908532c96.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5b83\u7684\u4f7f\u7528\u6bd4\u8f83\u7b80\u5355&#xff0c;\u76f4\u63a5\u4ecb\u7ecd\u5b83\u7684\u4e00\u4e9b\u4f7f\u7528\u51fd\u6570\u548c\u4fe1\u53f7<\/p>\n<table>\n<tr>\u51fd\u6570\u58f0\u660e\u51fd\u6570\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>void setValue(int)<\/td>\n<td>\u8bbe\u7f6e\u5b83\u5f53\u524d\u7684\u503c<\/td>\n<\/tr>\n<tr>\n<td>void setMaximum(int)<\/td>\n<td>\u8bbe\u7f6e\u6700\u5927\u503c<\/td>\n<\/tr>\n<tr>\n<td>void setMinimum(int)<\/td>\n<td>\u8bbe\u7f6e\u6700\u5c0f\u503c<\/td>\n<\/tr>\n<tr>\n<td>void setSingleStep(int)<\/td>\n<td>\u6309\u4e0b\u2f45\u5411\u952e\u7684\u65f6\u5019\u6539\u53d8\u7684\u6b65\u2ed3<\/td>\n<\/tr>\n<tr>\n<td>void setPageStep(int)<\/td>\n<td>\u6309\u4e0b pageUp \/ pageDown \u7684\u65f6\u5019\u6539\u53d8\u7684\u6b65\u2ed3<\/td>\n<\/tr>\n<tr>\n<td>void setSliderPosition(int)<\/td>\n<td>\u754c\u2faf\u4e0a\u65cb\u94ae\u663e\u793a\u7684\u521d\u59cb\u4f4d\u7f6e&#xff0c;\u5176\u5b9e\u548csetValue\u4e00\u6837<\/td>\n<\/tr>\n<tr>\n<td>void setTracking(bool enable)<\/td>\n<td>\u5916\u89c2\u662f\u5426\u4f1a\u8ddf\u8e2a\u6570\u503c\u53d8\u5316&#xff0c;\u9ed8\u8ba4\u503c\u4e3a true&#xff0c;\u2f00\u822c\u4e0d\u9700\u8981\u4fee\u6539<\/td>\n<\/tr>\n<tr>\n<td>void setWrapping(bool on)<\/td>\n<td>\u662f\u5426\u5141\u8bb8\u5faa\u73af\u8c03\u6574&#xff0c;\u5373\u6570\u503c\u5982\u679c\u8d85\u8fc7\u6700\u2f24\u503c, \u662f\u5426\u5141\u8bb8\u56de\u5230\u6700\u2f29\u503c(\u8c03\u6574\u8fc7\u7a0b\u80fd\u5426 \u201c\u5957\u5708\u201d&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>bool notchesVisible() const<\/td>\n<td>\u662f\u5426\u663e\u793a\u523b\u5ea6\u7ebf<\/td>\n<\/tr>\n<tr>\n<td>void setNotchTarget(double target)<\/td>\n<td>\u523b\u5ea6\u7ebf\u4e4b\u95f4\u7684\u76f8\u5bf9\u4f4d\u7f6e&#xff1b;\u6570\u5b57\u8d8a\u2f24, \u523b\u5ea6\u7ebf\u8d8a\u7a00\u758f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tr>\u4fe1\u53f7\u58f0\u660e\u4fe1\u53f7\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>void QAbstractSlider::valueChanged(int value)<\/td>\n<td>\u6570\u503c\u6539\u53d8\u65f6\u89e6\u53d1<\/td>\n<\/tr>\n<tr>\n<td>void QAbstractSlider::rangeChanged(int min, int max)<\/td>\n<td>\u8303\u56f4\u53d8\u5316\u65f6\u89e6\u53d1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>2.QDial\u7684\u4f7f\u7528<\/h2>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5b83\u6765\u5b9e\u73b0\u4e00\u4e2a\u5c0f\u529f\u80fd&#xff0c;\u901a\u8fc7\u65cb\u8f6c\u6765\u8c03\u8282\u6211\u4eec\u7684\u4e0d\u900f\u660e\u5ea6&#xff08;1\u662f\u5b8c\u5168\u4e0d\u900f\u660e&#xff0c;0\u662f\u5b8c\u5168\u900f\u660e&#xff09;&#xff0c;\u8fd9\u5c31\u6d89\u53ca\u5230\u524d\u9762\u7684\u77e5\u8bc6\u4e86&#xff0c;\u4e5f\u5c31\u662fWidget\u7684\u51fd\u6570setWindowOpacity <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260128224109-697a90854dc95.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260128224109-697a9085df14c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260128224110-697a908639ae1.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>3.QSlider\u7b80\u4ecb<\/h2>\n<p>QSlider\u662f\u6ed1\u52a8\u6761&#xff0c;\u5b83\u5176\u5b9e\u548cQDial\u540c\u5b97\u540c\u6e90&#xff0c;\u5b83\u4eec\u90fd\u662f\u7ee7\u627f\u4e8eQAbstractSlider&#xff0c;\u6240\u4ee5\u8bf4\u529f\u80fd\u90fd\u7c7b\u4f3c&#xff0c;\u5f88\u591a\u51fd\u6570\u4e5f\u662f\u4e00\u6837\u7684 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260128224110-697a9086a690f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<table>\n<tr>\u51fd\u6570\u58f0\u660e\u51fd\u6570\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>void setValue(int)<\/td>\n<td>\u8bbe\u7f6e\u5b83\u5f53\u524d\u7684\u503c<\/td>\n<\/tr>\n<tr>\n<td>void setMaximum(int)<\/td>\n<td>\u8bbe\u7f6e\u6700\u5927\u503c<\/td>\n<\/tr>\n<tr>\n<td>void setMinimum(int)<\/td>\n<td>\u8bbe\u7f6e\u6700\u5c0f\u503c<\/td>\n<\/tr>\n<tr>\n<td>void setSingleStep(int)<\/td>\n<td>\u6309\u4e0b\u2f45\u5411\u952e\u7684\u65f6\u5019\u6539\u53d8\u7684\u6b65\u2ed3<\/td>\n<\/tr>\n<tr>\n<td>void setPageStep(int)<\/td>\n<td>\u6309\u4e0b pageUp \/ pageDown \u7684\u65f6\u5019\u6539\u53d8\u7684\u6b65\u2ed3<\/td>\n<\/tr>\n<tr>\n<td>void setSliderPosition(int)<\/td>\n<td>\u754c\u2faf\u4e0a\u65cb\u94ae\u663e\u793a\u7684\u521d\u59cb\u4f4d\u7f6e&#xff0c;\u5176\u5b9e\u548csetValue\u4e00\u6837<\/td>\n<\/tr>\n<tr>\n<td>void setTracking(bool enable)<\/td>\n<td>\u5916\u89c2\u662f\u5426\u4f1a\u8ddf\u8e2a\u6570\u503c\u53d8\u5316&#xff0c;\u9ed8\u8ba4\u503c\u4e3a true&#xff0c;\u2f00\u822c\u4e0d\u9700\u8981\u4fee\u6539<\/td>\n<\/tr>\n<tr>\n<td>void setOrientation(Qt::Orientation)<\/td>\n<td>\u8bbe\u7f6e\u6ed1\u52a8\u6761\u7684\u2f45\u5411\u662f\u2f54\u5e73\u8fd8\u662f\u5782\u76f4&#xff0c;Qt::Horizontal\u548cQt::Vertical<\/td>\n<\/tr>\n<tr>\n<td>void setInvertedAppearance(bool)<\/td>\n<td>\u8bbe\u7f6e\u662f\u5426\u8981\u7ffb\u8f6c\u6ed1\u52a8\u6761\u7684\u2f45\u5411<\/td>\n<\/tr>\n<tr>\n<td>void setTickPosition(QSlider::TickPosition position)<\/td>\n<td>\u8bbe\u7f6e\u523b\u5ea6\u7684\u4f4d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>void setTickInterval(int ti)<\/td>\n<td>\u8bbe\u7f6e\u523b\u5ea6\u7684\u5bc6\u96c6\u7a0b\u5ea6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tr>\u4fe1\u53f7\u58f0\u660e\u4fe1\u53f7\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>void QAbstractSlider::valueChanged(int value)<\/td>\n<td>\u6570\u503c\u6539\u53d8\u65f6\u89e6\u53d1<\/td>\n<\/tr>\n<tr>\n<td>void QAbstractSlider::rangeChanged(int min, int max)<\/td>\n<td>\u8303\u56f4\u53d8\u5316\u65f6\u89e6\u53d1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>4.\u4f7f\u7528QSlider\u8c03\u6574\u7a97\u53e3\u5927\u5c0f<\/h2>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e24\u4e2a\u6ed1\u52a8\u6761\u6765\u8c03\u6574\u7a97\u53e3\u7684\u957f\u5ea6\u548c\u9ad8\u5ea6&#xff0c;\u4e24\u4e2a\u6ed1\u52a8\u6761\u5206\u522b\u662f\u6c34\u5e73\u6ed1\u52a8\u6761\u548c\u5782\u76f4\u6ed1\u52a8\u6761 &#xff0c;\u6c34\u5e73\u6ed1\u52a8\u6761\u8c03\u6574\u957f\u5ea6&#xff0c;\u5782\u76f4\u6ed1\u52a8\u8c03\u6574\u9ad8\u5ea6\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260128224110-697a9086dd757.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260128224111-697a908784e4c.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5728\u4ee3\u7801\u4e2d\u8fd8\u8bbe\u7f6e\u4e86\u65b9\u5411\u952e\u7684\u6b65\u957f&#xff0c;\u6211\u4eec\u4e5f\u53ef\u4ee5\u901a\u8fc7\u65b9\u5411\u952e\u6765\u8c03\u6574<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260128224111-697a9087eaf6b.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>5.\u4f7f\u7528\u5feb\u6377\u952e\u63a7\u5236QSlider<\/h2>\n<p>\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u4e24\u4e2a\u5feb\u6377\u952e\u6765\u63a7\u5236\u6ed1\u52a8\u6761\u7684\u5de6\u6ed1\u548c\u53f3\u6ed1&#xff0c;\u4f8b\u5982\u6211\u4eec\u5c31\u4f7f\u7528\u952e\u76d8\u4e0a\u7684\u201c&#043;\u201d \u201c-\u201d&#xff0c;\u4f46\u662f\u6211\u4eec\u7684&#043;\u662f\u548c\u201c&#061;\u201d\u5728\u4e00\u8d77\u7684&#xff0c;\u4f7f\u7528\u201c&#043;\u201d\u65f6\u9700\u8981\u540c\u65f6\u6441shift&#xff0c;\u56e0\u6b64\u4e3a\u4e86\u65b9\u4fbf&#xff0c;\u8fd9\u8fb9\u76f4\u63a5\u4f7f\u7528\u201c&#061;\u201d \u5728\u56fe\u5f62\u5316\u754c\u9762\u4f7f\u7528\u4e00\u4e2a\u6ed1\u52a8\u6761\u548c\u4e00\u4e2a\u6807\u7b7e&#xff0c;\u6807\u7b7e\u8d1f\u8d23\u663e\u793a\u5f53\u524d\u7684\u503c <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260128224112-697a9088b481b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;widget.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&#034;ui_widget.h&#034;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;QShortcut&gt;<\/span><\/span><\/p>\n<p><span class=\"token class-name\">Widget<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">Widget<\/span><span class=\"token punctuation\">(<\/span>QWidget <span class=\"token operator\">*<\/span>parent<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">:<\/span> <span class=\"token function\">QWidget<\/span><span class=\"token punctuation\">(<\/span>parent<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">,<\/span> <span class=\"token function\">ui<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> Ui<span class=\"token double-colon punctuation\">::<\/span>Widget<span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    ui<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setupUi<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/\u521b\u5efa\u4e24\u4e2a\u5feb\u6377\u952e&#043;-\u6765\u63a7\u5236\u6ed1\u52a8\u6761<\/span><br \/>\n    QShortcut<span class=\"token operator\">*<\/span> cut1<span class=\"token operator\">&#061;<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">QShortcut<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    QShortcut<span class=\"token operator\">*<\/span> cut2<span class=\"token operator\">&#061;<\/span><span class=\"token keyword\">new<\/span> <span class=\"token function\">QShortcut<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    cut1<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">QKeySequence<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;-&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    cut2<span class=\"token operator\">-&gt;<\/span><span class=\"token function\">setKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">QKeySequence<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/\u5c06\u5feb\u6377\u952e\u548c\u6ed1\u52a8\u6761\u7684\u6ed1\u52a8\u5173\u8054\u4e0a<\/span><br \/>\n    <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>cut1<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>QShortcut<span class=\"token double-colon punctuation\">::<\/span>activated<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>Widget<span class=\"token double-colon punctuation\">::<\/span>subValue<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>cut2<span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>QShortcut<span class=\"token double-colon punctuation\">::<\/span>activated<span class=\"token punctuation\">,<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span><span class=\"token operator\">&amp;<\/span>Widget<span class=\"token double-colon punctuation\">::<\/span>addValue<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token class-name\">Widget<\/span><span class=\"token double-colon punctuation\">::<\/span><span class=\"token operator\">~<\/span><span class=\"token function\">Widget<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">delete<\/span> ui<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token class-name\">Widget<\/span><span class=\"token double-colon 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