將文件轉(zhuǎn)成base64 字符串
將文件轉(zhuǎn)成base64 字符串,android 手機開發(fā)的時候會用到，當(dāng)然在android有轉(zhuǎn)base64的方法，這里調(diào)用的是jdk的api
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import java.io.FileInputStream; |
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import java.io.FileOutputStream; |
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import sun.misc.BASE64Decoder; |
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import sun.misc.BASE64Encoder; |
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public class File2Code { |
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* <p>將文件轉(zhuǎn)成base64 字符串</p> |
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public static String encodeBase64File(String path) throws Exception { |
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File file = new File(path); |
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FileInputStream inputFile = new FileInputStream(file); |
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byte[] buffer = new byte[(int)file.length()]; |
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inputFile.read(buffer); |
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return new BASE64Encoder().encode(buffer); |
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* <p>將base64字符解碼保存文件</p> |
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public static void decoderBase64File(String base64Code,String targetPath) throws Exception { |
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byte[] buffer = new BASE64Decoder().decodeBuffer(base64Code); |
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FileOutputStream out = new FileOutputStream(targetPath); |
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* <p>將base64字符保存文本文件</p> |
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public static void toFile(String base64Code,String targetPath) throws Exception { |
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byte[] buffer = base64Code.getBytes(); |
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FileOutputStream out = new FileOutputStream(targetPath); |
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public static void main(String[] args) { |
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String base64Code =encodeBase64File("D:\\1.jpg"); |
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System.out.println(base64Code); |
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decoderBase64File(base64Code, "D:\\2.jpg"); |
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toFile(base64Code, "D:\\three.txt"); |
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} catch (Exception e) { |
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