字符串与二进制的相互转化.doc

java字符串与二进制的相互转化2008-10-14 21:41package mimaxue;public class StrBinaryTurn /将Unicode字符串转换成bool型数组public boolean StrToBool(String input)boolean output=Binstr16ToBool(BinstrToBinstr16(StrToBinstr(input);return output;/将bool型数组转换成Unicode字符串public String BoolToStr(boolean input)String output=BinstrToStr(Binstr16ToBinstr(BoolToBinstr16(input);return output;/将字符串转换成二进制字符串，以空格相隔private String StrToBinstr(String str) char strChar=str.toCharArray();String result=;for(int i=0;istrChar.length;i+)result +=Integer.toBinaryString(strChari)+ ;return result;/将二进制字符串转换成Unicode字符串private String BinstrToStr(String binStr) String tempStr=StrToStrArray(binStr);char tempChar=new chartempStr.length;for(int i=0;itempStr.length;i+) tempChari=BinstrToChar(tempStri);return String.valueOf(tempChar);/将二进制字符串格式化成全16位带空格的Binstrprivate String BinstrToBinstr16(String input)StringBuffer output=new StringBuffer();String tempStr=StrToStrArray(input);for(int i=0;i0;j-)output.append(0);output.append(tempStri+ );return output.toString();/将全16位带空格的Binstr转化成去0前缀的带空格Binstrprivate String Binstr16ToBinstr(String input)StringBuffer output=new StringBuffer();String tempStr=StrToStrArray(input);for(int i=0;itempStr.length;i+)for(int j=0;j16;j+)if(tempStri.charAt(j)=1)output.append(tempStri.substring(j)+ );break;if(j=15&tempStri.charAt(j)=0)output.append(0+ );return output.toString(); /二进制字串转化为boolean型数组 输入16位有空格的Binstrprivate boolean Binstr16ToBool(String input)String tempStr=StrToStrArray(input);boolean output=new booleantempStr.length*16;for(int i=0,j=0;iinput.length();i+,j+)if(input.charAt(i)=1)outputj=true;else if(input.charAt(i)=0)outputj=false;elsej-;return output;/boolean型数组转化为二进制字串 返回带0前缀16位有空格的Binstrprivate String BoolToBinstr16(boolean input) StringBuffer output=new StringBuffer();for(int i=0;iinput.length;i+)if(inputi)output.append(1);elseoutput.append(0);if(i+1)%16=0)output.append( ); output.append( );return output.toString();/将二进制字符串转换为charprivate char BinstrToChar(String binStr)int temp=BinstrToIntArray(binStr);int sum=0; for(int i=0; itemp.length;i+)sum +=temptemp.length-1-ii; return (char)sum;/将初始二进制字符串转换成字符串数组，以空格相隔private String StrToStrArray(String str) return str.split( );/将二进制字符串转换成int数组private int BinstrToIntArray(String binStr) char