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解释：设置字体的字号。
方法参数
Number fontSize
fontSize 参数说明
字体的字号。
示例
跳转编辑工具
扫码体验
代码示例
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图片示例
代码示例
- SWAN
- JS
<canvas canvas-id="myCanvas" class="myCanvas" />
CanvasContext.setFontSize
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