JAVAMD5加密常用方法publicclassMD5Util{privatestaticcharhexDigits[]={'0','1','2','3''4','5','6','7','8','9','a','b','c','d','e','f'};privatestaticMD5Utilinstance=newMD5Util();privateMD5Util(){}publicsynchronizedstaticMD5UtilgetInstance(){returninstance;...
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