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我试图将时钟放在图像顶部,但我不知道如何使 SVG 的背景透明。
http://jsfiddle.net/YWUvU/
chart: { type: 'gauge', plotBackgroundColor: 'transparent', plotBackgroundImage: null, plotBorderWidth: 0, plotShadow: false, height: 200 },
放:
backgroundColor: 'rgba(0,0,0,0)'
见:http: //jsfiddle.net/YWUvU/1/