?

/** ?

?*?@Title???????????getImgeHexString ?

?*?@Description?????網絡圖片轉換成二進制字符串 ?

?*?@param?URLName???網絡圖片地址 ?

?*?@param?type??????圖片類型 ?

?*?@return??String??轉換結果 ?

?*?@throws ?

?*/?

public?static?String?getImgeHexString(String?URLName,String?type)?{ ?

????String?res?=?null; ?

????try?{ ?

????????int?HttpResult?=?0;?//?服務器返回的狀態 ?

????????URL?url?=?new?URL(URLName);?//?創建URL ?

????????URLConnection?urlconn?=?url.openConnection();?//?試圖連接并取得返回狀態碼 ?

????????urlconn.connect(); ?

????????HttpURLConnection?httpconn?=?(HttpURLConnection)?urlconn; ?

????????HttpResult?=?httpconn.getResponseCode(); ?

????????System.out.println(HttpResult); ?

????????if?(HttpResult?!=?HttpURLConnection.HTTP_OK)?//?不等于HTTP_OK則連接不成功 ?

????????????System.out.print("fail"); ?

????????else?{ ?

????????????BufferedInputStream?bis?=?new?BufferedInputStream(urlconn.getInputStream()); ?

?

????????????BufferedImage?bm?=?ImageIO.read(bis); ?

????????????ByteArrayOutputStream?bos?=?new?ByteArrayOutputStream(); ?

????????????ImageIO.write(bm,?type,?bos); ?

????????????bos.flush(); ?

????????????byte[]?data?=?bos.toByteArray(); ?

?

????????????res?=?byte2hex(data); ?

????????????bos.close(); ?

????????} ?

????}?catch?(Exception?e)?{ ?

????????e.printStackTrace(); ?

????} ?

????return?res; ?

} ?

?

/** ?

?*?@title???????????根據二進制字符串生成圖片 ?

?*?@param?data??????生成圖片的二進制字符串 ?

?*?@param?fileName??圖片名稱(完整路徑) ?

?*?@param?type??????圖片類型 ?

?*?@return ?

?*/?

public?static?void?saveImage(String?data,?String?fileName,String?type)?{ ?

?

????BufferedImage?p_w_picpath?=?new?BufferedImage(300,?300,BufferedImage.TYPE_BYTE_BINARY); ?

????ByteArrayOutputStream?byteOutputStream?=?new?ByteArrayOutputStream(); ?

????try?{ ?

????????ImageIO.write(p_w_picpath,?type,?byteOutputStream); ?

????????//?byte[]?date?=?byteOutputStream.toByteArray(); ?

????????byte[]?bytes?=?hex2byte(data); ?

????????System.out.println("path:"?+?fileName); ?

????????RandomAccessFile?file?=?new?RandomAccessFile(fileName,?"rw"); ?

????????file.write(bytes); ?

????????file.close(); ?

????}?catch?(IOException?e)?{ ?

????????e.printStackTrace(); ?

????} ?

} ?

?

/** ?

?*?反格式化byte ?

?*? ?

?*?@param?s ?

?*?@return ?

?*/?

public?static?byte[]?hex2byte(String?s)?{ ?

????byte[]?src?=?s.toLowerCase().getBytes(); ?

????byte[]?ret?=?new?byte[src.length?/?2]; ?

????for?(int?i?=?0;?i?<?src.length;?i?+=?2)?{ ?

????????byte?hi?=?src[i]; ?

????????byte?low?=?src[i?+?1]; ?

????????hi?=?(byte)?((hi?>=?'a'?&&?hi?<=?'f')???0x0a?+?(hi?-?'a') ?

????????????????:?hi?-?'0'); ?

????????low?=?(byte)?((low?>=?'a'?&&?low?<=?'f')???0x0a?+?(low?-?'a') ?

????????????????:?low?-?'0'); ?

????????ret[i?/?2]?=?(byte)?(hi?<<?4?|?low); ?

????} ?

????return?ret; ?

} ?

?

/** ?

?*?格式化byte ?

?*? ?

?*?@param?b ?

?*?@return ?

?*/?

public?static?String?byte2hex(byte[]?b)?{ ?

????char[]?Digit?=?{?'0',?'1',?'2',?'3',?'4',?'5',?'6',?'7',?'8',?'9',?'A', ?

????????????'B',?'C',?'D',?'E',?'F'?}; ?

????char[]?out?=?new?char[b.length?*?2]; ?

????for?(int?i?=?0;?i?<?b.length;?i++)?{ ?

????????byte?c?=?b[i]; ?

????????out[i?*?2]?=?Digit[(c?>>>?4)?&?0X0F]; ?

????????out[i?*?2?+?1]?=?Digit[c?&?0X0F]; ?

????} ?

?

????return?new?String(out); ?

}?

?

轉載于:https://blog.51cto.com/dreamboy/916888

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