十六进制字符串转化成为十进制数字字符串

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/ * 十六进制字符串转化成为十进制数字字符串 * @param hexgonSrcStr * @return */ public static String convertHexgon2IntDecimal(String hexgonSrcStr){ if (hexgonSrcStr==null){ return null; } if (hexgonSrcStr.isEmpty()){ return null; } String trim = hexgonSrcStr.trim(); if (trim==null){ return null; } if (trim.isEmpty()){ return null; } String substring = hexgonSrcStr.substring(2); if (!checkIsHexgonStr(substring)){ return null; } int totalIntVal=0; for (int i = 0; i < substring.length(); i++) { char charAt = substring.charAt(i); String chartAtStr=charAt+""; int loopPathTimes=i; int intValFactor=1; switch (chartAtStr){ case "A": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgonA=intValFactor*10; totalIntVal+=bitIntHexgonA; break; case "B": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgonB=intValFactor*11; totalIntVal+=bitIntHexgonB; break; case "C": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgonC=intValFactor*12; totalIntVal+=bitIntHexgonC; break; case "D": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgonD=intValFactor*13; totalIntVal+=bitIntHexgonD; break; case "E": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgonE=intValFactor*14; totalIntVal+=bitIntHexgonE; break; case "F": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgonF=intValFactor*15; totalIntVal+=bitIntHexgonF; break; case "0": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgon0=intValFactor*0; totalIntVal+=bitIntHexgon0; break; case "1": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgon1=intValFactor*1; totalIntVal+=bitIntHexgon1; break; case "2": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgon2=intValFactor*2; totalIntVal+=bitIntHexgon2; break; case "3": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgon3=intValFactor*3; totalIntVal+=bitIntHexgon3; break; case "4": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgon4=intValFactor*4; totalIntVal+=bitIntHexgon4; break; case "5": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgon5=intValFactor*5; totalIntVal+=bitIntHexgon5; break; case "6": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgon6=intValFactor*6; totalIntVal+=bitIntHexgon6; break; case "7": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgon7=intValFactor*7; totalIntVal+=bitIntHexgon7; break; case "8": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgon8=intValFactor*8; totalIntVal+=bitIntHexgon8; break; case "9": intValFactor*=loopPathTimes; intValFactor*=16; int bitIntHexgon9=intValFactor*9; totalIntVal+=bitIntHexgon9; break; } } return String.valueOf(totalIntVal); } / * 判断是否是十六进制字符串数字 * @param hexgonStr * @return */ public static Boolean checkIsHexgonStr(String hexgonStr){ if (hexgonStr==null){ return null; } if (hexgonStr.isEmpty()){ return null; } String trim = hexgonStr.trim(); if (trim==null){ return null; } if (trim.isEmpty()){ return null; } String testRuleStr = new String("ABCDEF0"); for (int i = 0; i < hexgonStr.length(); i++) { Character charAt = hexgonStr.charAt(i); boolean contains = testRuleStr.contains(charAt + ""); if (!contains){ return false; } } return true; }