Bitmap 转 Base64溢出 处理：Base64.NO_WRAP

/**

* 图片转成string

*

* @param bitmap

* @return

*/

public static String convertIconToString(Bitmap bitmap)

{

ByteArrayOutputStream baos = new ByteArrayOutputStream();// outputstream

bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos); //质量可以压50%

byte[] appicon = baos.toByteArray();// 转为byte数组

//        return Base64.encodeToString(appicon, Base64.DEFAULT);

return Base64.encodeToString(appicon, Base64.NO_WRAP);

}