閫氳繃crc32鍒涘缓8浣峳owkey

Posted 2020-12-21

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package com.util;

import java.util.zip.CRC32;

public  class test20201126 {
    private static CRC32 crc32 = new CRC32();

    public static void main(String[] args) {
        String[] str={"1234","nnnn","fff","ttt"};
        System.out.println(test20201126.generateRowKey(str));
    }

    
    /**
     * 鏁扮粍 閫氳繃crc32鍒涘缓8浣峳owkey
     * 
     * @param uuid
     * @param memberId
     * @param eventAliasName
     * @param serverTime
     * @return
     */
    private static String generateRowKey(String[] str) {
        StringBuilder sb = new StringBuilder();
        crc32.reset();
        for(int i=0;i<str.length;i++){
            crc32.update(str[i].getBytes());
        }
        sb.append(crc32.getValue() % 100000000L);
        return sb.toString();
    }
}