{"id":39969,"date":"2024-11-26T12:35:45","date_gmt":"2024-11-26T04:35:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39969\/"},"modified":"2024-11-26T12:35:45","modified_gmt":"2024-11-26T04:35:45","slug":"java%e7%88%ac%e8%99%ab%e7%99%bb%e5%bd%95%e9%aa%8c%e8%af%81%e6%80%8e%e4%b9%88%e5%81%9a%e7%9a%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39969\/","title":{"rendered":"java\u722c\u866b\u767b\u5f55\u9a8c\u8bc1\u600e\u4e48\u505a\u7684"},"content":{"rendered":"<blockquote><p>\n  java \u722c\u866b\u767b\u5f55\u9a8c\u8bc1\u5206 7 \u6b65\u8fdb\u884c\uff1a\u5206\u6790\u767b\u5f55\u8fc7\u7a0b\uff1b\u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a\uff1b\u5904\u7406\u9a8c\u8bc1\u7801\uff1b\u83b7\u53d6\u767b\u5f55 cookie\uff1b\u4fdd\u6301\u767b\u5f55\u72b6\u6001\uff1b\u5904\u7406\u91cd\u5b9a\u5411\uff1b\u6ce8\u9500\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111716453273762.jpg\" class=\"aligncenter\" title=\"java\u722c\u866b\u767b\u5f55\u9a8c\u8bc1\u600e\u4e48\u505a\u7684\u63d2\u56fe\" alt=\"java\u722c\u866b\u767b\u5f55\u9a8c\u8bc1\u600e\u4e48\u505a\u7684\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u722c\u866b\u767b\u5f55\u9a8c\u8bc1\u5b9e\u73b0<\/strong><\/p>\n<p>Java \u722c\u866b\u5728\u5904\u7406\u9700\u8981\u767b\u5f55\u9a8c\u8bc1\u7684\u7f51\u7ad9\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u7279\u5b9a\u7684\u8bbe\u7f6e\u548c\u6280\u672f\u6765\u5b9e\u73b0\u767b\u5f55\u3002\u4ee5\u4e0b\u4ecb\u7ecd\u5b9e\u73b0 Java \u722c\u866b\u767b\u5f55\u9a8c\u8bc1\u7684\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u5206\u6790\u767b\u5f55\u8fc7\u7a0b<\/strong><br \/>\u9996\u5148\uff0c\u9700\u8981\u5bf9\u76ee\u6807\u7f51\u7ad9\u7684\u767b\u5f55\u8fc7\u7a0b\u8fdb\u884c\u5206\u6790\uff0c\u4e86\u89e3\u9700\u8981\u63d0\u4ea4\u54ea\u4e9b\u53c2\u6570\uff0c\u4ee5\u53ca\u767b\u5f55\u8bf7\u6c42\u7684\u5177\u4f53\u683c\u5f0f\u3002<\/p>\n<p><strong>2. \u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a<\/strong><br \/>Java \u722c\u866b\u9700\u8981\u6a21\u62df\u6d4f\u89c8\u5668\u7684\u884c\u4e3a\uff0c\u53d1\u9001\u5e26\u6709\u5fc5\u8981\u53c2\u6570\u7684\u767b\u5f55\u8bf7\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528 HttpClient \u6216 Jsoup \u7b49\u5e93\u6765\u5b9e\u73b0 HTTP \u8bf7\u6c42\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>3. \u5904\u7406\u9a8c\u8bc1\u7801<\/strong><br \/>\u5982\u679c\u76ee\u6807\u7f51\u7ad9\u4f7f\u7528\u4e86\u9a8c\u8bc1\u7801\uff0c\u9700\u8981\u5c06\u9a8c\u8bc1\u7801\u8bc6\u522b\u5e76\u586b\u5199\u5230\u767b\u5f55\u8868\u5355\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528\u9a8c\u8bc1\u7801\u8bc6\u522b\u670d\u52a1\u6216\u56fe\u50cf\u5904\u7406\u6280\u672f\u6765\u5904\u7406\u9a8c\u8bc1\u7801\u3002<\/p>\n<p><strong>4. \u83b7\u53d6\u767b\u5f55 Cookie<\/strong><br \/>\u767b\u5f55\u6210\u529f\u540e\uff0c\u670d\u52a1\u5668\u901a\u5e38\u4f1a\u8fd4\u56de Set-Cookie \u5934\uff0c\u5176\u4e2d\u5305\u542b\u767b\u5f55\u51ed\u8bc1\u3002Java \u722c\u866b\u9700\u8981\u8bb0\u5f55\u8fd9\u4e9b Cookie \u503c\uff0c\u4ee5\u4fbf\u5728\u540e\u7eed\u8bf7\u6c42\u4e2d\u4f7f\u7528\u3002<\/p>\n<p><strong>5. \u4fdd\u6301\u767b\u5f55\u72b6\u6001<\/strong><br \/>\u4e3a\u4e86\u4fdd\u6301\u767b\u5f55\u72b6\u6001\uff0cJava \u722c\u866b\u9700\u8981\u5728\u540e\u7eed\u8bf7\u6c42\u4e2d\u643a\u5e26\u767b\u5f55 Cookie\u3002\u53ef\u4ee5\u4f7f\u7528 CookieStore \u6216 CookieHandler \u7c7b\u6765\u7ba1\u7406 Cookie\u3002<\/p>\n<p><strong>6. \u5904\u7406\u91cd\u5b9a\u5411<\/strong><br \/>\u767b\u5f55\u540e\uff0c\u76ee\u6807\u7f51\u7ad9\u53ef\u80fd\u4f1a\u91cd\u5b9a\u5411\u5230\u53e6\u4e00\u4e2a\u9875\u9762\u3002Java \u722c\u866b\u9700\u8981\u5904\u7406\u91cd\u5b9a\u5411\uff0c\u5e76\u7ee7\u7eed\u6293\u53d6\u6240\u9700\u7684\u6570\u636e\u3002<\/p>\n<p><strong>7. \u6ce8\u9500<\/strong><br \/>\u5f53\u4e0d\u518d\u9700\u8981\u767b\u5f55\u65f6\uff0cJava \u722c\u866b\u5e94\u8be5\u6ce8\u9500\uff0c\u5e76\u6e05\u9664\u767b\u5f55 Cookie\u3002<\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>import org.apache.http.client.HttpClient;\nimport org.apache.http.client.methods.HttpPost;\nimport org.apache.http.entity.StringEntity;\nimport org.apache.http.impl.client.HttpClients;\n\npublic class LoginCrawler {\n\n    public static void main(String[] args) {\n        \/\/ \u586b\u5199\u767b\u5f55\u53c2\u6570\n        String username = \"username\";\n        String password = \"password\";\n\n        \/\/ \u521b\u5efa HTTP \u5ba2\u6237\u7aef\n        HttpClient client = HttpClients.createDefault();\n\n        \/\/ \u6784\u9020\u767b\u5f55\u8bf7\u6c42\n        HttpPost request = new HttpPost(\"https:\/\/example.com\/login\");\n        request.setEntity(new StringEntity(\"username=\" + username + \"&amp;password=\" + password));\n\n        \/\/ \u53d1\u9001\u767b\u5f55\u8bf7\u6c42\n        try {\n            client.execute(request);\n        } catch (IOException e) {\n            e.printStackTrace();\n        }\n\n        \/\/ \u83b7\u53d6\u767b\u5f55 Cookie\n        List&lt;Cookie&gt; cookies = client.getCookieStore().getCookies();\n\n        \/\/ \u4fdd\u6301\u767b\u5f55\u72b6\u6001\n        request.setHeader(\"Cookie\", cookies.toString());\n\n        \/\/ \u6293\u53d6\u76ee\u6807\u6570\u636e\n        \/\/ ...\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4\uff0cJava \u722c\u866b\u53ef\u4ee5\u5b9e\u73b0\u767b\u5f55\u9a8c\u8bc1\uff0c\u8bbf\u95ee\u53d7\u4fdd\u62a4\u7684\u7f51\u7ad9\u5185\u5bb9\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u767b\u5f55\u9a8c\u8bc1\u600e\u4e48\u505a\u7684\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u722c\u866b\u767b\u5f55\u9a8c\u8bc1\u5206 7 \u6b65\u8fdb\u884c\uff1a\u5206\u6790\u767b\u5f55\u8fc7\u7a0b\uff1b\u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3a\uff1b\u5904\u7406\u9a8c\u8bc1\u7801\uff1b\u83b7\u53d6\u767b\u5f55 cookie\uff1b\u4fdd\u6301\u767b\u5f55\u72b6\u6001\uff1b\u5904\u7406\u91cd\u5b9a\u5411\uff1b\u6ce8\u9500\u3002 Java \u722c\u866b\u767b\u5f55\u9a8c\u8bc1\u5b9e\u73b0 Java \u722c\u866b\u5728\u5904\u7406\u9700\u8981\u767b\u5f55\u9a8c\u8bc1\u7684\u7f51\u7ad9\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u7279\u5b9a\u7684\u8bbe\u7f6e\u548c\u6280\u672f\u6765\u5b9e\u73b0\u767b\u5f55\u3002\u4ee5\u4e0b\u4ecb\u7ecd\u5b9e\u73b0 Java \u722c\u866b\u767b\u5f55\u9a8c\u8bc1\u7684\u6b65\u9aa4\uff1a 1. \u5206\u6790\u767b\u5f55\u8fc7\u7a0b\u9996\u5148\uff0c\u9700\u8981\u5bf9\u76ee\u6807\u7f51\u7ad9\u7684\u767b\u5f55\u8fc7\u7a0b\u8fdb\u884c\u5206\u6790\uff0c\u4e86\u89e3\u9700\u8981\u63d0\u4ea4\u54ea\u4e9b\u53c2\u6570\uff0c\u4ee5\u53ca\u767b\u5f55\u8bf7\u6c42\u7684\u5177\u4f53\u683c\u5f0f\u3002 2. \u6a21\u62df\u6d4f\u89c8\u5668\u884c\u4e3aJava \u722c\u866b\u9700\u8981\u6a21\u62df\u6d4f\u89c8\u5668\u7684\u884c\u4e3a\uff0c\u53d1\u9001\u5e26\u6709\u5fc5\u8981\u53c2\u6570\u7684\u767b\u5f55\u8bf7\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528 HttpClient \u6216 Jsoup \u7b49\u5e93\u6765\u5b9e\u73b0 HTTP \u8bf7\u6c42\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 3. \u5904\u7406\u9a8c\u8bc1\u7801\u5982\u679c\u76ee\u6807\u7f51\u7ad9\u4f7f\u7528\u4e86\u9a8c\u8bc1\u7801\uff0c\u9700\u8981\u5c06\u9a8c\u8bc1\u7801\u8bc6\u522b\u5e76\u586b\u5199\u5230\u767b\u5f55\u8868\u5355\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528\u9a8c\u8bc1\u7801\u8bc6\u522b\u670d\u52a1\u6216\u56fe\u50cf\u5904\u7406\u6280\u672f\u6765\u5904\u7406\u9a8c\u8bc1\u7801\u3002 4. \u83b7\u53d6\u767b\u5f55 Cookie\u767b\u5f55\u6210\u529f\u540e\uff0c\u670d\u52a1\u5668\u901a\u5e38\u4f1a\u8fd4\u56de Set-Cookie \u5934\uff0c\u5176\u4e2d\u5305\u542b\u767b\u5f55\u51ed\u8bc1\u3002Java \u722c\u866b\u9700\u8981\u8bb0\u5f55\u8fd9\u4e9b Cookie \u503c\uff0c\u4ee5\u4fbf\u5728\u540e\u7eed\u8bf7\u6c42\u4e2d\u4f7f\u7528\u3002 5. \u4fdd\u6301\u767b\u5f55\u72b6\u6001\u4e3a\u4e86\u4fdd\u6301\u767b\u5f55\u72b6\u6001\uff0cJava \u722c\u866b\u9700\u8981\u5728\u540e\u7eed\u8bf7\u6c42\u4e2d\u643a\u5e26\u767b\u5f55 Cookie\u3002\u53ef\u4ee5\u4f7f\u7528 CookieStore \u6216 CookieHandler \u7c7b\u6765\u7ba1\u7406 Cookie\u3002 6. \u5904\u7406\u91cd\u5b9a\u5411\u767b\u5f55\u540e\uff0c\u76ee\u6807\u7f51\u7ad9\u53ef\u80fd\u4f1a\u91cd\u5b9a\u5411\u5230\u53e6\u4e00\u4e2a\u9875\u9762\u3002Java \u722c\u866b\u9700\u8981\u5904\u7406\u91cd\u5b9a\u5411\uff0c\u5e76\u7ee7\u7eed\u6293\u53d6\u6240\u9700\u7684\u6570\u636e\u3002 7. \u6ce8\u9500\u5f53\u4e0d\u518d\u9700\u8981\u767b\u5f55\u65f6\uff0cJava \u722c\u866b\u5e94\u8be5\u6ce8\u9500\uff0c\u5e76\u6e05\u9664\u767b\u5f55 Cookie\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpPost; import [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-39969","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=39969"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39969\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}