{"id":27269,"date":"2023-08-15T11:21:11","date_gmt":"2023-08-15T03:21:11","guid":{"rendered":"https:\/\/cravatar.com\/developer\/?p=27269"},"modified":"2023-08-15T11:21:28","modified_gmt":"2023-08-15T03:21:28","slug":"java-image-requests","status":"publish","type":"post","link":"https:\/\/cravatar.com\/developer\/java-image-requests","title":{"rendered":"Java \u56fe\u50cf\u8bf7\u6c42"},"content":{"rendered":"\n<p>\u5982\u679c\u60a8\u60f3\u8981\u4e00\u79cd\u4f7f\u7528 Cravatar \u7684\u7b80\u5355\u65b9\u6cd5\uff0c\u8bf7\u67e5\u770b<a rel=\"noreferrer noopener\" href=\"http:\/\/github.com\/ralfebert\/jgravatar\" target=\"_blank\">Ralf Ebert \u7684 jgravatar \u5e93<\/a>\uff08\u8c03\u6574\u4e3a jcravatar \u5373\u53ef\uff09\uff0c\u5426\u5219\u8bf7\u7ee7\u7eed\u9605\u8bfb\u3002<\/p>\n\n\n\n<p>Java \u4e2d\u7684\u4e8b\u60c5\u6709\u70b9\u590d\u6742\u3002\u4e0b\u9762\u7684\u7c7b\u5c06\u4e3a\u60a8\u63d0\u4f9b\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u8fd4\u56de\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u5341\u516d\u8fdb\u5236\u683c\u5f0f md5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-java\">import java.util.*;\nimport java.io.*;\nimport java.security.*;\npublic class MD5Util {\n  public static String hex(byte[] array) {\n      StringBuffer sb = new StringBuffer();\n      for (int i = 0; i &lt; array.length; ++i) {\n      sb.append(Integer.toHexString((array[i]\n          &amp; 0xFF) | 0x100).substring(1,3));        \n      }\n      return sb.toString();\n  }\n  public static String md5Hex (String message) {\n      try {\n      MessageDigest md = \n          MessageDigest.getInstance(&quot;MD5&quot;);\n      return hex (md.digest(message.getBytes(&quot;CP1252&quot;)));\n      } catch (NoSuchAlgorithmException e) {\n      } catch (UnsupportedEncodingException e) {\n      }\n      return null;\n  }\n}<\/code><\/pre>\n\n\n\n<p>\u7136\u540e\uff0c\u6b64\u7c7b\u53ef\u7528\u4e8e\u8fd4\u56de\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u7684 MD5 \u54c8\u5e0c\u503c\uff08\u786e\u4fdd\u5148\u5c0f\u5199\uff01\uff09\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-prismatic-blocks\"><code class=\"language-java\">String email = &quot;someone@somewhere.com&quot;;\nString hash = MD5Util.md5Hex(email);<\/code><\/pre>\n\n\n\n<p>\u4f7f\u7528\u8fd4\u56de\u7684\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32\uff0c\u60a8\u53ef\u4ee5\u6784\u5efa\u60a8\u7684\u5934\u50cf URL\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u679c\u60a8\u60f3\u8981\u4e00\u79cd\u4f7f\u7528 Cravatar \u7684\u7b80\u5355\u65b9\u6cd5\uff0c\u8bf7\u67e5\u770bRalf Ebert \u7684 jgravatar \u5e93\uff08\u8c03\u6574\u4e3a jcravata ... <\/p>\n<p class=\"read-more-container\"><a title=\"Java \u56fe\u50cf\u8bf7\u6c42\" class=\"read-more button\" href=\"https:\/\/cravatar.com\/developer\/java-image-requests#more-27269\" aria-label=\"\u66f4\u591a Java \u56fe\u50cf\u8bf7\u6c42\">\u7ee7\u7eed\u9605\u8bfb<\/a><\/p>\n","protected":false},"author":18727,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[23],"class_list":["post-27269","post","type-post","status-publish","format-standard","hentry","category-software","tag-java","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - 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