package cn.gloomy.h.file.api;
import java.io.File;
import java.io.FileInputStream;
public class FileConvert {
private static int highOrder = 128+64+32+16;
private static int lowerOrder = 8+4+2+1;
private static String[] HEX={"0","1","2","3",
"4","5","6","7",
"8","9","A","B",
"C","D","E","F",};
//二进制转换为十六进制
public static String getHex(Integer b){
Integer tm=0;
if(b<0){
return _binaryToHex(1+~b,true)+_binaryToHex(~b+1, false);
}else{
return _binaryToHex(b, true)+_binaryToHex(b, false);
}
}
private static String _binaryToHex(Integer Binary,boolean order){
if(order){
return HEX[(Binary&highOrder)>>4];
}else{
return HEX[Binary&lowerOrder];
}
}
public static void main(String[] args){
//二进制文件绝对路径
File f = new File("C:\\Users\\adminnn\\Desktop/600X600.jpg");
if(!f.exists()){
return ;
}
try {
FileInputStream input = new FileInputStream(f);
int b;
int i=0;
while((b = input.read())!=-1){
System.out.print(getHex(b));
i++;
if(i2 == 0){System.out.println();}
else if(i%2==0){System.out.print(" ");}
}
input.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
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