JAVA实现图片与base64字符串之间的转换详解编程语言

 
import java.io.FileInputStream; 
import java.io.FileOutputStream; 
import java.io.IOException; 
import java.io.InputStream; 
import java.io.OutputStream; 
 
import sun.misc.BASE64Decoder; 
import sun.misc.BASE64Encoder; 
 
/** 
 * 图片与base64字符串之间的转换 
 * @author yfli 
 * 
 */ 
public class Base64Decoder { 
	/** 
	 * 图片转化成base64字符串   
	 * @param imgFilePath 
	 * @return 
	 */ 
	public static String GetImageStr(String imgFilePath) { 
		byte[] data = null; 
		try { 
			InputStream in = new FileInputStream(imgFilePath); 
			data = new byte[in.available()]; 
			in.read(data); 
			in.close(); 
		} catch (IOException e) { 
			e.printStackTrace(); 
		} 
 
		BASE64Encoder encoder = new BASE64Encoder(); 
		return encoder.encode(data); 
	} 
 
	/** 
	 * base64字符串转化成图片   
	 * @param imgStr 
	 * @param imgFilePath 
	 * @return 
	 */ 
	public static boolean GenerateImage(String imgStr, String imgFilePath) { 
		if (imgStr == null) { 
			return false; 
		} 
		BASE64Decoder decoder = new BASE64Decoder(); 
		try { 
			byte[] bytes = decoder.decodeBuffer(imgStr); 
			for (int i = 0; i