/** * * @param length 生成的位数 * @param number 生成的个数 */ public static void codeRandomCreator (int number , int length) { String code =""; ArrayList<String> codeList = new ArrayList<>(); String[] arr =new String[]{ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" }; for (int i = 0; i < number; i ) { for (int j = 0; j <length ; j ) { int round =(int) Math.round(Math.random() * (arr.length - 1)); code = arr[round]; } codeList.add(code); code=""; } }
测试生成:
public static void main(String[] args) { RejjieApplicationTests.contextLoads(1024,10); }
*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 *7o89h47FgaWbdgJnNumsPSr9IS2CYmzdUuLEL2TmUfXCPpwKaipQTHmfXdUqAa95UOqzPhsKttjYdOViVesG6cOrXiYGkJJgAwKl1ESj64fBw4jwiaekLb66g3iijzdjj8lF9ZLXTWt5OsKRKXVztkjDgBXX2uwDapQwho2QRomUYTP22HzQ3wnrj1yUlHFV5LyoOKQrYMAhXTJGnYCCNC75ViMORWR0cI4QRz1LHIRbb5zfVEQ04lEKosn5u31GrFmkT3o4Ak3LcE04BEsJTo4Vw9oheDtanRY8CjMydSqWKo3LU9tibWjmHdvPi6WrjJwK7ZQwlBhdRD9UjWhiNjmacKM4rRK7Fpsoe2rAnIEJnKARAaCddPAmEfyoqQdjAp1IaJ7kUPvKwDXSE3zd85qwU3FI1dt3JLvVr2U3OvT6YI9zt92jDggI57OgQkkDrbM1Y5mQe2C43UfonKhPkSBHLRktX4Ar5D1jtYNZ7zXy353EnsN5THtjEw1fbcoYA7Bf3WPnOrOm4DxA58xaTU3ehqnp3b32qBxp9sbq5JVLSmLGyX7bHuwS4P3sTaSfzoLNFWA558uqaxWqyYxHMXmDBRut6bwQWA5qivhe0VUsUjK34x4jffAbhFRnHEnD2QXZeVi8yuXHckUIXnfCxTvlUQhqe6fhBsVYW7pjYHUs0v8W3BqkyszSVjaRKcpK1wXXtt2CcPiexh29edcHJdwNA1YXdVI6mwk5FOBxbFvOCQAv1DqeJ2QGwmccX6cvf6sPRo1JFN2JnNIefIht6zktxwmIF7zsu3k9OauQ5cEJe44K4LzfhJ3lHeA7hRrjnzPCKltED22F2S8ta0u5UisUwCjhp6jXROB5Ph2ePMvCyiACedmNjPQGBA4MUL8YjEWmIljE2zccaFRkHzMueWUIl8NeGS3GfE9jwnkJtHdaNB14KT5ASBKB44fYIoiOtoT6Rc08kvih80LesTNocQUCc1BatwobwW6KkmoBerAl1tR3lVEAhLRbVBsUqaJF *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 *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 *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 *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 *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 *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 *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 *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