public static String generateString(int length) {
StringBuffer sb = new StringBuffer();
String ALLCHAR = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
Random random = new Random();
for (int i = 0; i < length; i++) {
sb.append(ALLCHAR.charAt(random.nextInt(ALLCHAR.length())));
}
return sb.toString();
}
Java--如何生成随机长度字符串
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转载自blog.csdn.net/qq_14908027/article/details/81165328
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