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16进制色取透明度

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  • Post category:其他


export const toRgbaColor = (hexColor, opacity) => {
  const number = `0x${hexColor.substring(1)}`;
  const red = number >> 16 & 0xff;
  const green = number >> 8 & 0xff;
  const blue = number & 0xff;
  return `rgba(${red}, ${green}, ${blue}, ${opacity})`;
};


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