sidebar:/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ canvas_CanvasContext-setTextBaseline

sidebar:/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ canvas_CanvasContext-setTextBaseline
/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 方法参数/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/
/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 示例

title:/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ CanvasContext.setTextBaseline header:/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ develop nav:/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ api

/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 解释：用于设置文字的水平对齐。

/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/

/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 方法参数/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/

StringtextBaseline

/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ textBaseline参数说明/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ ：有效值/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ ‘top’、’bottom’、’middle’、’normal’/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 。/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/

/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 示例

在开发者工具中预览效果/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/

/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 扫码体验

sidebar:/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ canvas_CanvasContext-setTextBaseline - 图1

/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ /uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 图片示例/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ /uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/

/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ /uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ /uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ /uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ /uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ /uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ /uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ /uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ sidebar:/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ canvas_CanvasContext-setTextBaseline - 图2

/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 代码示例/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/

:::codeTab

const/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ canvasContext/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ =/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ swan.createCanvasContext('myCanvas');
canvasContext.setStrokeStyle('red');
canvasContext.moveTo(5,/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 75);
canvasContext.lineTo(295,/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 75);
canvasContext.stroke();
canvasContext.setFontSize(20);
canvasContext.setTextBaseline('top');
canvasContext.fillText('top',/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 5,/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 75);
canvasContext.setTextBaseline('middle');
canvasContext.fillText('middle',/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 50,/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 75);
canvasContext.setTextBaseline('bottom');
canvasContext.fillText('bottom',/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 120,/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 75);
canvasContext.setTextBaseline('normal');
canvasContext.fillText('normal',/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 200,/uploads/projects/swan-docs/program-docs/docs/develop/api/show//uploads/projects/swan-docs/program-docs/docs/develop/api/show/ 75);
canvasContext.draw();

:::