# 大转盘抽奖
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通过padding挤出边框
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使用图片作为背景
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使用图片作为边框
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设置多个图片作为边框
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设置背景图片跟随旋转
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设置扇形区域的背景颜色
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设置奖品文字
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设置多行奖品文字
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设置奖品文字换行
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设置奖品文字溢出隐藏
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设置奖品图片
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设置扇形之间的缝隙
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设置抽奖按钮
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带指针的抽奖按钮
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使用图片作为抽奖按钮
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使用Dom作为抽奖按钮
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指针在扇形50%区域内随机停止
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设置抽奖的旋转速度
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控制游戏的开始和结束
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