package?com.mybatis.test;

import?java.io.File;
import?java.io.FileInputStream;
import?java.io.FileOutputStream;

public?class?TestImage1?{
	
	public?static?void?main（String[]?args）?throws?Exception?{
	/*	byte[]?b1?=image2Bytes（“d:\\1.jpg“）;
//		for（int?i=0;i		System.out.println（）;
		FileOutputStream?fos=new?FileOutputStream（“d:\\image.txt“）;
		fos.write（b1）;
		fos.close（）;*/
		
		FileInputStream?fis=new?FileInputStream（new?File（“d:\\data.txt“））;
		char[]?ch=new?char[fis.available（）];
		System.out.println（fis.available（））;
		int?len=fis.available（）;
		int?j=0;
		System.out.println（）;
		for（int?i=0;i			int?temp=fis.read（）;
			char?c=（char）temp;
			if（temp!=32）{
				ch[j++]=c;
//				System.out.print（c）;
			}
		}
		System.out.println（）;
		
		System.out.println（new?String（ch0j）.length（））;
		byte[]?b=hexStringToBytes（new?String（ch0j））;
		buff2Image（b“d:\\test.jpeg“）;
		fis.close（）;
		
	}
	
	?
	static?void?buff2Image（byte[]?bString?tagSrc）?throws?Exception
????{
????????FileOutputStream?fout?=?new?FileOutputStream（tagSrc）;
????????//將字節(jié)寫入文件
????????fout.write（b）;
????????fout.close（）;
????}
	public?static?byte[]?hexStringToBytes（String?hexString）?{??
	????if?（hexString?==?null?||?hexString.equals（““））?{??
	????????return?null;??
	????}??
	????hexString?=?hexString.toUpperCase（）;??
	????int?length?=?hexString.length（）?/?2;??
	????char[]?hexChars?=?hexString.toCharArray（）;??
	????byte[]?d?=?new?byte[length];??
	????for?（int?i?=?0;?i?	????????int?pos?=?i?*?2;??
	????????d[i]?=?（byte）?（charToByte（hexChars[pos]）?<	????}??
	????return?d;??
	}??
	?private?static?byte?charToByte（char?c）?{??
		????return?（byte）?“0123456789ABCDEF“.indexOf（c）;??
		}
	
	static?byte[]?image2Bytes（String?imgSrc）?throws?Exception
????{
????????FileInputStream?fin?=?new?FileInputStream（new?File（imgSrc））;
????????//可能溢出簡單起見就不考慮太多如果太大就要另外想辦法，比如一次傳入固定長度byte[]
????????byte[]?bytes??=?new?byte[fin.available（）];
????????//將文件內(nèi)容寫入字節(jié)數(shù)組，提供測試的case
????????fin.read（bytes）;
????????fin.close（）;
????????return?bytes;
????}
	public?static?String?hexString2binaryString（String?hexString）??
????{??
????????if?（hexString?==?null?||?hexString.length（）?%?2?!=?0）??
????????????return?null;??
????????String?bString?=?““?tmp;??
????????for?（int?i?=?0;?i?????????{??
????????????tmp?=?“0000“??
????????????????????+?Integer.toBinaryString（Integer.parseInt（hexString??
????????????????????????????.substring（i?i?+?1）?16））;??
????????????bString?+=?tmp.substring（tmp.length（）?-?4）;??
????????}??
????????return?bString;??
}
	
	public?static?String?binaryString2hexString（String?bString）??
????{??
????????if?（bString?==?null?||?bString.equals（““）?||?bString.length（）?%?8?!=?0）??
????????????return?null;??
????????StringBuffer?tmp?=?new?StringBuffer（）;??
????????i

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????11600??2016-01-09?15:34??data.txt

?????文件???????3458??2016-01-09?20:08??TestImage1.java

-----------?---------??----------?-----??----

????????????????15058????????????????????2