背景：本人在做一个低功耗蓝牙项目，使用crc校验，分包发送CRC-16/XMODEM校验都是16进制字符串传递，容易看到如：'FF2233FF'/**ConverthextoCRC-16/XMODEM校验**参数长度需要被2整除**第八位在前，高八位在后*/exportconstcrc16xmodem=(datass)=>{returnCRC_16_XMODEM(Str2Bytes(datass),datass.length/2)}constStr2Bytes=(str)=>{varpos=0;varlen=str.length;如果(len%2!=0){返回null;}len/=2;varhexA=newArray();对于(vari=0;i>(7-i)&1)==1);让c15=((crc>>15&1)==1);校验码<<=1;if(c15^bit)crc^=多项式；}}crc&=0xffff;//输入String类型的16进制letstrCrc=crc.toString(16).toLocaleUpperCase();switch(strCrc.length){案例1:strCrc="000"+strCrc;休息;情况2：strCrc="00"+strCrc；休息;情况3：strCrc="0"+strCrc；休息;案例4：strCrc=strCrc中断；默认值：中断；}strCrc=strCrc[2]+strCrc[3]+strCrc[0]+strCrc[1]返回strCrc；}CRC-16/MODBUS查询方法使用：constcrcData=CRC.ToModbusCRC16('FF2233FF')varCRC={};CRC._auchCRCHi=[0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01，0xc0，0x80，0x41，0x00，0x00，0xc1，0x81，0x40，0x00，0x00，0xc1，0x81，0x40，0x40，0x01，0xc0，0x80，0x80，0x41，0x410xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81，0x40，0x01，0xc0，0x80，0x41，0x00，0x00，0xc1，0x81，0x40，0x40，0x01，0xc0，0x80，0x41，0x41，0x01，0x01，0xc00x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40、0x00、0xC1、0x81、0x40、0x01、0xC0、0x80、0x41、0x01、0xC0、0x80、0x41、0x00、0xC1、0x81、0x40、0x00、0xC1、0x81、0x40、0x40、0x40、0x40、0x400x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40]；CRC._auchCRCLo=[0x00,0xC0,0x03,0xC1,0xC1,0x02、0xC2、0xC6、0x06、0x07、0xC7、0x05、0xC5、0xC4、0x04、0xCC、0x0C、0x0D、0xCD、0x0F、0xCF、0xCE、0x0E、0x0A、0xCA、0xCB、0x09、0x0B、0x0B0xC8、0xD8、0x18、0x19、0xD9、0x1B、0xDB、0xDA、0x1A、0x1E、0xDE、0xDF、0x1F、0xDD、0x1D、0x1C、0xDC、0x14、0xD4、0xD5、0x15、0x16、0x1D7、0x16、0x1D7、0xD2,0x12,0x13,0xD3,0x11,0xD1,0xD0,0x10,0xF0,0x30,0x31,0xF1,0x33,0xF3,0xF2,0x32,0x36,0xF6,0xF7,0x37,0xF5,0x35,0x34,0xF4,0x3C,0xFC,0xFD,0x3D,0xFF,0x3F,0x3E,0xFE,0xFA,0x3A,0x3B,0xFB,0x39,0xF9,0xF8,0x38,0x28,0xE8,0xE9,0x29,0xEB,0x2B,0,EAx2A,0,EAx2A0x2F、0xEF、0x2D,0xED,0xEC,0x2C,0xE4,0x24,0x25,0xE5,0x27,0xE7,0xE6,0x26,0x22,0xE2,0xE3,0x23,0xE1,0x21,0x20,0xE0,0xA0,0x60,0x61,0xA1,0x63,0xA3,0xA2,0x62,0x66,0xA6,0xA7,0x67,0xA5,0x65,0x64,0xA4,0x6C,0xAC,0xAD,0x6D,0xAF,0x6F,0x6E,0xAE,0xAA,0x6A,0xA9,0x6B,6x,0x68,0x78,0xB8,0xB9,0x79,0xBB,0x7B,0x7A,0xBA,0xBE,0x7E,0x7F,0xBF,0x7D,0xBD,0xBC,0x7C,0xB4,0x74,0x75,0xB7,0xB7,0x6,0x7,0x72,0xB2,0xB3,0x73,0xB1,0x71,0x70,0xB0,0x50,0x90,0x91,0x51,0x93,0x53,0x52,0x92,0x96,0x56,0x57,0x97,0x55,0x95,0x94,0x54,0x9C,0x5C,0x5D,0x9D,0x5F,0x9F,0x9E,0x5E,0x5A,0x9A,0x9B,0x5B,0x99,0x59,0x58,0x98,0x88,0x48,0x49,0x89,0x4B,0x8B,0x8A,0x4A,0x4E,0x8E,0x8F,0x4F,0x8D,0x4D,0x4C,0x8C,0x44,0x84,0x85,0x45,0x87,0x47,0x46,0x86,0x82,0x42,0x43,0x83,0x41,0x81,C=0x4C0;0x4C0;0x4C0;函数（缓冲区）{变种喜=0xff;varlo=0xff;对于(vari=0;i=127){arr.push(s.toString(16));}else{arr.push(tmp[i]);}}returnarr;};CRC.filterChinese=function(str){vartmp=str.split(''),arr=[];对于(vari=0,c=tmp.length;i0&&s<127){arr.push(tmp[i]);}}returnarr;};CRC.strToHex=function(hex,isFilterChinese){hex=isFilterChinese?CRC.filterChinese(hex).join(''):CRC.convertChinese(hex).join('');//清除所有空格hex=hex.replace(/\s/g,"");//若字符个数为奇数，补一个空格hex+=hex.length%2!=0?“”：“”；varc=hex.length/2,arr=[];for(vari=0;i
