{"id":184,"date":"2020-03-24T16:14:58","date_gmt":"2020-03-24T08:14:58","guid":{"rendered":"https:\/\/deeperxh.com\/?p=184"},"modified":"2020-03-30T00:31:27","modified_gmt":"2020-03-29T16:31:27","slug":"%e5%ad%97%e7%ac%a6%e7%bc%96%e7%a0%81%e7%9b%b8%e5%85%b3%e6%8a%a5%e5%91%8a","status":"publish","type":"post","link":"https:\/\/deeperxh.com\/?p=184","title":{"rendered":"\u5b57\u7b26\u7f16\u7801\u76f8\u5173\u62a5\u544a"},"content":{"rendered":"<h1>\u7f16\u7801<\/h1>\n<ul>\n<li>\u7f16\u7801\uff0c\u5305\u62ec\u5b57\u7b26\u8f6c\u4e3a\u5b57\u7b26\u96c6id\u7684\u8fc7\u7a0b\uff0c\u4ee5\u53caid\u5982\u4f55\u7528\u4e8c\u8fdb\u5236\u5b58\u50a8\u7684\u8fc7\u7a0b\u3002\u524d\u8005\u6d89\u53ca\u4e86\u5b57\u7b26\u96c6\u4f8b\u5982ascii\u3001unicode\uff0c\u540e\u8005\u5219\u6d89\u53ca\u4e86ascii\u3001utf-8\u3001gbk\u3002\u4e3b\u8981\u7528\u4e8e\u8ba1\u7b97\u3001\u6570\u636e\u5b58\u50a8\u3001\u4f20\u8f93\u6587\u5b57\u6570\u636e\u3002<\/li>\n<li>\u7f16\u7801\u7684\u539f\u56e0\uff1a1.\u517c\u5bb9\uff1a\u6269\u5c55\u5b57\u7b26\u96c6\u7684\u65f6\u5019\u8fd8\u80fd\u517c\u5bb9ASCII\u30022.\u9ad8\u6548\uff1a\u6bcf\u4e2a\u5b57\u7b26\u4e0d\u56fa\u5b9a\u957f\u5ea6\uff0c\u4e00\u822c\u90fd\u5c0f\u4e8e32\u4f4d\uff0c\u4e0d\u7528\u6bcf\u4e2a\u5b57\u7b26\u90fd\u662f32\u4f4d\u3002<\/li>\n<li>String a=\u201cabc\u201d\uff1a\u5728\u7cfb\u7edf\u5185\u662f\u4ee5unicode\u8868\u793a\uff0c\u4f7f\u7528char\u8868\u793a\uff0c\u5bf9\u4e8e\u82f1\u6587\u53ea\u9700\u89818\u4f4dASCII\u7801\u3002\u4e0d\u7f16\u7801\u7684\u539f\u56e0\u662f\uff1a\u65e0\u6cd5\u4fbf\u5229\u5b57\u7b26\u4e32\uff0c\u7531\u4e8eUTF-8\u662f\u53d8\u957f\uff0c\u65e0\u6cd5\u77e5\u9053\u7b2c\u51e0\u4e2abyte\u5bf9\u5e94\u54ea\u4e2a\u5b57\u7b26\uff0c\u9700\u8981\u6839\u636ebyte\u6570\u7ec4\u91cd\u65b0\u89e3\u7801\uff0c\u4f1a\u6d88\u8017CPU\u5bfc\u81f4\u904d\u5386\u53d8\u6162\u3002<\/li>\n<\/ul>\n<h1>\u7f16\u7801\u5b9e\u8df5<\/h1>\n<p>\u5199\u4e00\u4e2a\u6587\u4ef6 <code>file.txt<\/code>\uff0c\u5199\u5165\u82f1\u6587\u5b57\u6bcd\u201cabc\u201d\uff0c\u4ee5\u53ca\u4e2d\u6587&#8221;\u4f60\u597d&#8221;\uff0c\u5408\u8ba1\u4e94\u4e2a\u5b57\u7b26\uff0c\u5e76\u7528UTF-8\u5b58\u50a8\u3002<\/p>\n<p>\u5982\u4e0b\uff1a<\/p>\n<p><em>file.txt<\/em><\/p>\n<pre><code class=\"language-text \">abc\u4f60\u597d\n<\/code><\/pre>\n<h2>\u4efb\u52a1\uff1a<\/h2>\n<ol>\n<li>\u9996\u5148\u81ea\u884c\u5199\u51fa\u8be5\u6587\u4ef6\u7684\u4e8c\u8fdb\u5236\u8868\u793a\uff0c\u5199\u6210 &#8220;01011001&#8221; \u8fd9\u6837\u768401\u4e32\u5f62\u5f0f\u3002\u8be5\u6b65\u9aa4\u9700\u8981\u5229\u7528 https:\/\/unicode-table.com \u8be5\u5de5\u5177\u7f51\u7ad9\uff0c\u53ef\u4ee5\u67e5\u8be2\u6bcf\u4e2a\u5b57\u7b26\u5728\u5404\u7c7b\u7f16\u7801\u4e0b\u8b6c\u5982UTF-8 \u4e0b\u7684\u4e8c\u8fdb\u5236\u8868\u793a\u3002<\/li>\n<li>\u5176\u6b21\uff0c\u7f16\u5199\u4ee3\u7801\u8f93\u51fa <code>file.txt<\/code> \u7684\u4e8c\u8fdb\u5236\u8868\u793a\u3002<\/li>\n<li>\u5bf9\u6bd41\u548c2\u4e2d\u7684\u4e8c\u8fdb\u5236\u8868\u793a\uff0c\u4ed6\u4eec\u5e94\u8be5\u4e00\u81f4\u3002<\/li>\n<\/ol>\n<h2>\u4ee3\u7801<\/h2>\n<pre><code class=\"language-java \">public static void main(String[] args)throws Exception\n    {\n        \/\/\u6309\u884c\u8bfb\u53d6\u6587\u4ef6\n        File file = new File(\"C:\\Users\\lxh\\Desktop\\test.txt\");\n        BufferedReader br = new BufferedReader(new FileReader(file));\n\n        String s;\n        while ((s = br.readLine()) != null)\n        {\n            System.out.println(s);\n            \/\/\u5206\u89e3\u6bcf\u4e00\u4e2a\u5b57\u7b26\n            String[] split = s.split(\"\");\n            \/\/\u5bf9\u6bcf\u4e00\u4e2a\u5b57\u7b26\u8fdb\u884cUTF-8\u7684\u7f16\u7801\n            for (String st:\n                 split) {\n                byte[] bytes = st.getBytes(StandardCharsets.UTF_8);\n                \/\/byte to binary array\n                for (byte b :\n                        bytes) {\n                    String replace = String.format(\"%8s\",\n                        Integer.toBinaryString(b &amp; 0xFF)).replace(' ', '0');\n                    System.out.print(replace+\" \");\n                }\n                System.out.println();\n            }\n        }\n    }\n<\/code><\/pre>\n<h2>\u7ed3\u679c<\/h2>\n<p>abc<br \/>\n01100001<br \/>\n01100010<br \/>\n01100011<br \/>\n\u4f60\u597d<br \/>\n11100100 10111101 10100000<br \/>\n11100101 10100101 10111101<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f16\u7801 \u7f16\u7801\uff0c\u5305\u62ec\u5b57\u7b26\u8f6c\u4e3a\u5b57\u7b26\u96c6id\u7684\u8fc7\u7a0b\uff0c\u4ee5\u53caid\u5982\u4f55\u7528\u4e8c\u8fdb\u5236\u5b58\u50a8\u7684\u8fc7\u7a0b\u3002\u524d\u8005\u6d89\u53ca\u4e86\u5b57\u7b26\u96c6\u4f8b\u5982ascii\u3001un&hellip;<\/p>\n<p class=\"read-more\"><a class=\"readmore-btn\" href=\"https:\/\/deeperxh.com\/?p=184\">Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/deeperxh.com\/index.php?rest_route=\/wp\/v2\/posts\/184"}],"collection":[{"href":"https:\/\/deeperxh.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/deeperxh.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/deeperxh.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/deeperxh.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=184"}],"version-history":[{"count":11,"href":"https:\/\/deeperxh.com\/index.php?rest_route=\/wp\/v2\/posts\/184\/revisions"}],"predecessor-version":[{"id":248,"href":"https:\/\/deeperxh.com\/index.php?rest_route=\/wp\/v2\/posts\/184\/revisions\/248"}],"wp:attachment":[{"href":"https:\/\/deeperxh.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deeperxh.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deeperxh.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}