Java remote get picture generation base64 string

Under the background, the project encountered the front-end JS get picture cross-domain problem, the server does not support anonymous access, only through the server to obtain pictures base64 code to display. The code is as follows: Download

Java code 650) this.width=650; "class=" star "src=" Http://songfeng-123.iteye.com/images/icon_star.png "alt=" Favorites Code "style= "border:0px;"/>

2. /**

4. * Remote read image conversion to Base64 string

6. * @param imgurl

8. * @return

10.  */

12. Private String Image2base64 (String imgurl) {

14. URL url = null;

16. InputStream is = null;

18. Bytearrayoutputstream OutStream = null;

20. HttpURLConnection Httpurl = null;

22. Try {

24. url = new URL (imgurl);

26. Httpurl = (httpurlconnection) url.openconnection ();

28. Httpurl.connect ();

30. Httpurl.getinputstream ();

32. is = Httpurl.getinputstream ();

36. OutStream = new bytearrayoutputstream ();

38. //Create a buffer string

40. byte [] buffer = new byte[1024x768];

42. //String length per read, if 1, indicates all read completed

44. int len = 0;

46. //Use an input stream to read the data from buffer

48. while ((len=is.read (buffer))! =-1 ) {

50. //Use the output stream to write data to buffer, where the intermediate parameters represent where to begin reading, and Len represents the length of the read

52. Outstream.write (buffer, 0, Len);

54. }

56. //byte array Base64 encoding

58. return New Base64encoder (). Encode (Outstream.tobytearray ());

60. }catch (Exception e) {

62. E.printstacktrace ();

64. } Download

66. finally {

68. if (IS! = null)

70. {

72. Try {

74. Is.close ();

76. } catch (IOException e) {

78. E.printstacktrace ();

80. }

82. }

84. if (OutStream! = null)

86. {

88. Try {

90. Outstream.close ();

92. } catch (IOException e) {

94. E.printstacktrace ();

96. }

98. }

100. if (Httpurl! = null)

102. {

104. Httpurl.disconnect ();

106. }

108. }

110. return Imgurl;

112. }

Java remote get picture generation base64 string