Java picture file Base64 encoding and binary encoding format convert each other

1      Public Static byte[] Base64string2bytefun (String base64str) {2Base64decoder decoder =NewBase64decoder ();3         byte[] B =NULL;4         Try {5b =Decoder.decodebuffer (BASE64STR);6              for(inti = 0; i < b.length; ++i) {7                 if(B[i] < 0) {8B[i] + = 256;9                 }Ten             } One}Catch(IOException e) { A e.printstacktrace (); -         } -          the         returnb;  -     } -      Public Staticstring Getimagestr (String imgfile) { -InputStream InputStream =NULL; +         byte[] data =NULL; -         Try { +InputStream =NewFileInputStream (imgfile); Adata =New byte[Inputstream.available ()]; at inputstream.read (data); - inputstream.close (); -}Catch(IOException e) { - e.printstacktrace (); -         } -Base64encoder encoder =NewBase64encoder (); in         returnEncoder.encode (data); -}

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Sun.misc.BASE64Encoder cannot find a solution to the jar package

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Java picture file Base64 encoding and binary encoding format convert each other