一键喂鱼
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@@ -15,10 +15,13 @@
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+(NSString *)ToHex:(long long int)tmpid;
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/// 十进制转二进制,补全,截取特定位置
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/// @param decimal 十进制
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/// @param location 截取位数从末尾开始1,2,3...
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/// @param location 截取位数从为开始0,1,2,3
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/// @param totalLength 补全位数,例如8位,4位,传0不会处理
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+ (NSString *)getBinaryByDecimal:(NSInteger)decimal location:(NSInteger)location totalLength:(NSInteger)totalLength;
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+ (NSString *)getBinaryByHex:(NSString*)decimal location:(NSInteger)location;
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//+ (NSString *)getBinaryByDecimal:(NSInteger)num;
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+ (NSString *)getBinaryByHex:(NSString *)hex;
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+ (NSString *)getHexByBinary:(NSString *)binary;
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//+ (NSString *)convertDecimalSystemFromBinarySystem:(NSString *)binary;
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+(UInt64)hexToTen:(NSString*)str;
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+(NSString *)groupNumberTohex:(NSInteger)number;
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+(NSString *)stringFromHexString:(NSString *)hexString;
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@@ -109,36 +109,14 @@
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}
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return str;
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}
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+ (NSString *)getBinaryByDecimal:(NSInteger)decimal location:(NSInteger)location totalLength:(NSInteger)totalLength {
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NSString *binary = @"";
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if (decimal != 0) {
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while (decimal) {
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binary = [[NSString stringWithFormat:@"%ld", decimal % 2] stringByAppendingString:binary];
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if (decimal / 2 < 1) {
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break;
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}
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decimal = decimal / 2 ;
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}
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// 根据需求传位数
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if (totalLength > 0) {
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if (binary.length % totalLength != 0) {
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NSMutableString *mStr = [[NSMutableString alloc]init];
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for (int i = 0; i < totalLength - binary.length % totalLength; i++) {
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[mStr appendString:@"0"];
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}
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binary = [mStr stringByAppendingString:binary];
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}
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}
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// 保护
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if (binary.length > 0 && binary.length >= location) {
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// 截取特定位置的二进制字符
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binary = [binary substringWithRange:NSMakeRange(binary.length-location, 1)];
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} else {
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binary = @"0";
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}
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} else {
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binary = @"0";
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+ (NSString *)getBinaryByHex:(NSString*)hex location:(NSInteger)location {
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NSString *binary = @"0";
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NSString*allBinary=[dataContorl getBinaryByHex:hex];
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if (allBinary.length>=(location+1)) {
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binary=[allBinary substringWithRange:NSMakeRange(location, 1)];
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}
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return binary;
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}
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/// 1 - 10组
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@@ -201,6 +179,138 @@
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return mac1;
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}
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/**
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转化为十进制
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@param binary 二进制的数据
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@return 数据结果
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*/
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+ (NSString *)convertDecimalSystemFromBinarySystem:(NSString *)binary
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{
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NSInteger ll = 0 ;
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NSInteger temp = 0 ;
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for (NSInteger i = 0; i < binary.length; i ++){
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temp = [[binary substringWithRange:NSMakeRange(i, 1)] intValue];
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temp = temp * powf(2, binary.length - i - 1);
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ll += temp;
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}
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NSString * result = [NSString stringWithFormat:@"%ld",ll];
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return result;
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}
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/**
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转化为二进制
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@param decimal 十进制的数据
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@return 二进制的结果
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*/
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+ (NSString *)getBinaryByDecimal:(NSInteger)decimal {
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NSString *binary = @"";
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while (decimal) {
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binary = [[NSString stringWithFormat:@"%ld", (long)decimal % 2] stringByAppendingString:binary];
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if (decimal / 2 < 1) {
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break;
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}
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decimal = decimal / 2 ;
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}
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if (binary.length % 4 != 0) {
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NSMutableString *mStr = [[NSMutableString alloc]init];;
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for (int i = 0; i < 4 - binary.length % 4; i++) {
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[mStr appendString:@"0"];
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}
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binary = [mStr stringByAppendingString:binary];
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}
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return binary;
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}
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/**
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二进制转换成十六进制
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@param binary 二进制数
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@return 十六进制数
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*/
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+ (NSString *)getHexByBinary:(NSString *)binary {
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NSMutableDictionary *binaryDic = [[NSMutableDictionary alloc] initWithCapacity:16];
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[binaryDic setObject:@"0" forKey:@"0000"];
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[binaryDic setObject:@"1" forKey:@"0001"];
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[binaryDic setObject:@"2" forKey:@"0010"];
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[binaryDic setObject:@"3" forKey:@"0011"];
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[binaryDic setObject:@"4" forKey:@"0100"];
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[binaryDic setObject:@"5" forKey:@"0101"];
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[binaryDic setObject:@"6" forKey:@"0110"];
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[binaryDic setObject:@"7" forKey:@"0111"];
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[binaryDic setObject:@"8" forKey:@"1000"];
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[binaryDic setObject:@"9" forKey:@"1001"];
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[binaryDic setObject:@"A" forKey:@"1010"];
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[binaryDic setObject:@"B" forKey:@"1011"];
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[binaryDic setObject:@"C" forKey:@"1100"];
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[binaryDic setObject:@"D" forKey:@"1101"];
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[binaryDic setObject:@"E" forKey:@"1110"];
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[binaryDic setObject:@"F" forKey:@"1111"];
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if (binary.length % 4 != 0) {
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NSMutableString *mStr = [[NSMutableString alloc]init];;
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for (int i = 0; i < 4 - binary.length % 4; i++) {
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[mStr appendString:@"0"];
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}
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binary = [mStr stringByAppendingString:binary];
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}
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NSString *hex = @"";
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for (int i=0; i<binary.length; i+=4) {
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NSString *key = [binary substringWithRange:NSMakeRange(i, 4)];
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NSString *value = [binaryDic objectForKey:key];
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if (value) {
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hex = [hex stringByAppendingString:value];
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}
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}
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return hex;
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}
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/**
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十六进制转换为二进制
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@param hex 十六进制数
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@return 二进制数
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*/
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+ (NSString *)getBinaryByHex:(NSString *)hex {
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NSMutableDictionary *hexDic = [[NSMutableDictionary alloc] initWithCapacity:16];
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[hexDic setObject:@"0000" forKey:@"0"];
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[hexDic setObject:@"0001" forKey:@"1"];
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[hexDic setObject:@"0010" forKey:@"2"];
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[hexDic setObject:@"0011" forKey:@"3"];
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[hexDic setObject:@"0100" forKey:@"4"];
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[hexDic setObject:@"0101" forKey:@"5"];
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[hexDic setObject:@"0110" forKey:@"6"];
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[hexDic setObject:@"0111" forKey:@"7"];
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[hexDic setObject:@"1000" forKey:@"8"];
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[hexDic setObject:@"1001" forKey:@"9"];
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[hexDic setObject:@"1010" forKey:@"A"];
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[hexDic setObject:@"1011" forKey:@"B"];
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[hexDic setObject:@"1100" forKey:@"C"];
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[hexDic setObject:@"1101" forKey:@"D"];
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[hexDic setObject:@"1110" forKey:@"E"];
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[hexDic setObject:@"1111" forKey:@"F"];
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NSString *binary = @"";
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for (int i=0; i<[hex length]; i++) {
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NSString *key = [hex substringWithRange:NSMakeRange(i, 1)];
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NSString *value = [hexDic objectForKey:key.uppercaseString];
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if (value) {
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binary = [binary stringByAppendingString:value];
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}
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}
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return binary;
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}
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// 十六转串
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+ (NSString *)stringFromHexString:(NSString *)hexString { //
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char *myBuffer = (char *)malloc((int)[hexString length] / 2 + 1);
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