canvas绘制网格(增长坐标)

1.接着上篇文章,我打算给绘制的表格增长坐标,这样看起来比较方便javascript //绘制网格 function drawGrid(CANVAS_WIDTH,CANVAS_HEIGHT,GRID_WIDTH,GRID_HEIGHT){ var rows=parseInt(CANVAS_WIDTH/GRID_WIDTH); var cols=parseInt(CANVAS_HEIGHT/GR
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