First, you set the fillStyle property.

首先，您设置fillstyle属性。

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Next, you redefine the fillStyle because you want to print some text as part of the report.

接下来，您重新定义 fillStyle，因为您想打印一些文本，作为报告的一部分。

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The fill() method closes any subpaths and then fills each subpath in turn using fillStyle (which can be a color, or, as discussed later, a gradient object) to determine how to draw the fill.

fill()方法使所有子路径封闭起来，然后逐个填充每个子路径，期间使用fillStyle （一种颜色，或一个渐变对象）来决定如何绘制填充。

youdao

The fill() method closes any subpaths and then fills each subpath in turn using fillStyle (which can be a color, or, as discussed later, a gradient object) to determine how to draw the fill.

fill()方法使所有子路径封闭起来，然后逐个填充每个子路径，期间使用fillStyle （一种颜色，或一个渐变对象）来决定如何绘制填充。

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