public class Base64Util {
/**
* @Description: 將base64編碼字符串轉換為圖片
* @Author:
* @CreateTime:
* @param imgStr
* base64編碼字符串
* @param path
* 圖片路徑-具體到文件
* @return
*/
public static boolean generateImage(String imgStr, String path) {
if (imgStr == null)
return false;
BASE64Decoder decoder = new BASE64Decoder();
try {
// 解密
byte[] b = decoder.decodeBuffer(imgStr);
// 處理數據
for (int i = 0; i < b.length; ++i) {
if (b[i] < 0) {
b[i] += 256;
}
}
OutputStream out = new FileOutputStream(path);
out.write(b);
out.flush();
out.close();
return true;
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return false;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return false;
}
}
/**
* @Description: 根據圖片地址轉換為base64編碼字符串
* @Author:
* @CreateTime:
* @return
*/
public static String getImageStr(String imgFile) {
InputStream inputStream = null;
byte[] data = null;
try {
inputStream = new FileInputStream(imgFile);
data = new byte[inputStream.available()];
inputStream.read(data);
inputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
// 加密
BASE64Encoder encoder = new BASE64Encoder();
return encoder.encode(data);
}
/**
* 測試
*/
public static void main(String[] args) {
String strImg = getImageStr("E:/捕獲.PNG");
System.out.println(strImg);
generateImage(strImg, "E:/捕獲(1).PNG");
}
}
大家覺得不錯的話可以支持一下

