28 lines
1.1 KiB
TypeScript
28 lines
1.1 KiB
TypeScript
export const randomString = (length: number = 12, isHasSpecialChars: boolean = true) => {
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// 定义字符集：大写字母、小写字母、数字和特殊字符
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const uppercaseChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
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const lowercaseChars = 'abcdefghijklmnopqrstuvwxyz';
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const numberChars = '0123456789';
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const specialChars = '!@#$%^&*_+-=|;:,.?';
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// 合并所有字符集
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let allChars = uppercaseChars + lowercaseChars + numberChars;
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// 确保至少包含每种类型的字符
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let str =
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uppercaseChars[Math.floor(Math.random() * uppercaseChars.length)] +
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lowercaseChars[Math.floor(Math.random() * lowercaseChars.length)] +
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numberChars[Math.floor(Math.random() * numberChars.length)]
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if (isHasSpecialChars) {
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allChars+= specialChars;
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str+= specialChars[Math.floor(Math.random() * specialChars.length)];
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}
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// 填充剩余的字符，使总长度为12
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for (let i = 4; i < length; i++) {
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str += allChars[Math.floor(Math.random() * allChars.length)];
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}
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// 打乱密码字符顺序
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return str.split('').sort(() => Math.random() - 0.5).join('');
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} |