{"id":38751,"date":"2024-11-26T10:49:50","date_gmt":"2024-11-26T02:49:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38751\/"},"modified":"2024-11-26T10:49:50","modified_gmt":"2024-11-26T02:49:50","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e7%94%a8%e6%95%b0%e7%bb%84%e5%86%99%e6%b3%a8%e5%86%8c%e8%b4%a6%e6%88%b7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38751\/","title":{"rendered":"Java\u4e2d\u600e\u4e48\u7528\u6570\u7ec4\u5199\u6ce8\u518c\u8d26\u6237"},"content":{"rendered":"<blockquote><p>\n  \u4f7f\u7528 java \u6570\u7ec4\u5b9e\u73b0\u7528\u6237\u6ce8\u518c\u7684\u6b65\u9aa4\uff1a\u521b\u5efa\u6570\u7ec4\u6765\u5b58\u50a8\u7528\u6237\u4fe1\u606f\u3002\u83b7\u53d6\u7528\u6237\u8f93\u5165\uff08\u7528\u6237\u540d\u3001\u5bc6\u7801\u3001\u7535\u5b50\u90ae\u4ef6\uff09\u5e76\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u662f\u5426\u6709\u6548\uff08\u7528\u6237\u540d\u552f\u4e00\u3001\u5bc6\u7801\u5f3a\u5ea6\u8db3\u591f\u3001\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u5408\u89c4\uff09\u3002\u5c06\u65b0\u7528\u6237\u5bf9\u8c61\u6dfb\u52a0\u5230\u6570\u7ec4\u4e2d\u3002\u5982\u679c\u7528\u6237\u6210\u529f\u6dfb\u52a0\u5230\u6570\u7ec4\uff0c\u663e\u793a\u6210\u529f\u6d88\u606f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111505573468200.jpg\" class=\"aligncenter\" title=\"Java\u4e2d\u600e\u4e48\u7528\u6570\u7ec4\u5199\u6ce8\u518c\u8d26\u6237\u63d2\u56fe\" alt=\"Java\u4e2d\u600e\u4e48\u7528\u6570\u7ec4\u5199\u6ce8\u518c\u8d26\u6237\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528\u6570\u7ec4\u5728 Java \u4e2d\u5b9e\u73b0<\/strong><\/p>\n<p><strong>\u5f15\u8a00<\/strong><br \/>\u7528\u6237\u6ce8\u518c\u662f\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\u7684\u4e00\u4e2a\u57fa\u672c\u529f\u80fd\u3002\u672c\u6587\u5c06\u6f14\u793a\u5982\u4f55\u4f7f\u7528\u6570\u7ec4\u5728 Java \u4e2d\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u7528\u6237\u6ce8\u518c\u7cfb\u7edf\u3002<\/p>\n<p><strong>\u6b65\u9aa4 1\uff1a\u521b\u5efa\u7528\u6237\u6570\u7ec4<\/strong><br \/>\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u6765\u5b58\u50a8\u7528\u6237\u4fe1\u606f\u3002\u6570\u7ec4\u7c7b\u578b\u5e94\u4e3a User[]\uff0c\u5176\u4e2d User \u662f\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7c7b\uff0c\u8868\u793a\u5355\u4e2a\u7528\u6237\u3002<\/p>\n<pre>User[] users = new User[10]; \/\/ \u521b\u5efa\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3 10 \u4e2a\u7528\u6237\u7684\u6570\u7ec4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 2\uff1a\u83b7\u53d6\u7528\u6237\u8f93\u5165<\/strong><br \/>\u83b7\u53d6\u7528\u6237\u8f93\u5165\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002\u8fd9\u5305\u62ec\u7528\u6237\u540d\u3001\u5bc6\u7801\u548c\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>Scanner scanner = new Scanner(System.in);\n\nSystem.out.println(\"\u8bf7\u8f93\u5165\u7528\u6237\u540d\uff1a\");\nString username = scanner.nextLine();\n\nSystem.out.println(\"\u8bf7\u8f93\u5165\u5bc6\u7801\uff1a\");\nString password = scanner.nextLine();\n\nSystem.out.println(\"\u8bf7\u8f93\u5165\u7535\u5b50\u90ae\u4ef6\u5730\u5740\uff1a\");\nString email = scanner.nextLine();\n\nUser newUser = new User(username, password, email); \/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u7528\u6237\u5bf9\u8c61<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 3\uff1a\u9a8c\u8bc1\u7528\u6237\u8f93\u5165<\/strong><br \/>\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u4ee5\u786e\u4fdd\u5b83\u6709\u6548\u3002\u4f8b\u5982\uff0c\u68c0\u67e5\u7528\u6237\u540d\u662f\u5426\u552f\u4e00\uff0c\u5bc6\u7801\u662f\u5426\u8db3\u591f\u5f3a\uff0c\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u662f\u5426\u5408\u89c4\u3002<\/p>\n<pre>boolean isValid = true; \/\/ \u5047\u8bbe\u7528\u6237\u8f93\u5165\u6709\u6548\n\n\/\/ \u9a8c\u8bc1\u7528\u6237\u540d\u662f\u5426\u552f\u4e00\nfor (User user : users) {\n    if (user != null &amp;&amp; user.getUsername().equals(username)) {\n        isValid = false;\n        System.out.println(\"\u7528\u6237\u540d\u5df2\u5b58\u5728\uff01\");\n        break;\n    }\n}\n\n\/\/ \u9a8c\u8bc1\u5bc6\u7801\u5f3a\u5ea6\nif (password.length() &lt; 8) {\n    isValid = false;\n    System.out.println(\"\u5bc6\u7801\u592a\u5f31\uff01\");\n}\n\n\/\/ \u9a8c\u8bc1\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u683c\u5f0f\nif (!email.matches(\"^[\\w-_\\.+]*[\\w-_\\.]\\@([\\w]+\\.)+[\\w]+[\\w]$\")) {\n    isValid = false;\n    System.out.println(\"\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u683c\u5f0f\u4e0d\u6b63\u786e\uff01\");\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 4\uff1a\u5c06\u7528\u6237\u6dfb\u52a0\u5230\u6570\u7ec4<\/strong><br \/>\u5982\u679c\u9a8c\u8bc1\u901a\u8fc7\uff0c\u5c06\u65b0\u7528\u6237\u5bf9\u8c61\u6dfb\u52a0\u5230\u6570\u7ec4\u4e2d\u3002<\/p>\n<pre>if (isValid) {\n    for (int i = 0; i &lt; users.length; i++) {\n        if (users[i] == null) {\n            users[i] = newUser;\n            break;\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6b65\u9aa4 5\uff1a\u663e\u793a\u6210\u529f\u6d88\u606f<\/strong><br \/>\u5982\u679c\u7528\u6237\u5df2\u6210\u529f\u6dfb\u52a0\u5230\u6570\u7ec4\uff0c\u663e\u793a\u4e00\u6761\u6210\u529f\u6d88\u606f\u3002<\/p>\n<pre>if (isValid) {\n    System.out.println(\"\u6ce8\u518c\u6210\u529f\uff01\");\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u4e2d\u600e\u4e48\u7528\u6570\u7ec4\u5199\u6ce8\u518c\u8d26\u6237\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>\u4f7f\u7528 java \u6570\u7ec4\u5b9e\u73b0\u7528\u6237\u6ce8\u518c\u7684\u6b65\u9aa4\uff1a\u521b\u5efa\u6570\u7ec4\u6765\u5b58\u50a8\u7528\u6237\u4fe1\u606f\u3002\u83b7\u53d6\u7528\u6237\u8f93\u5165\uff08\u7528\u6237\u540d\u3001\u5bc6\u7801\u3001\u7535\u5b50\u90ae\u4ef6\uff09\u5e76\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u662f\u5426\u6709\u6548\uff08\u7528\u6237\u540d\u552f\u4e00\u3001\u5bc6\u7801\u5f3a\u5ea6\u8db3\u591f\u3001\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u5408\u89c4\uff09\u3002\u5c06\u65b0\u7528\u6237\u5bf9\u8c61\u6dfb\u52a0\u5230\u6570\u7ec4\u4e2d\u3002\u5982\u679c\u7528\u6237\u6210\u529f\u6dfb\u52a0\u5230\u6570\u7ec4\uff0c\u663e\u793a\u6210\u529f\u6d88\u606f\u3002 \u5982\u4f55\u4f7f\u7528\u6570\u7ec4\u5728 Java \u4e2d\u5b9e\u73b0 \u5f15\u8a00\u7528\u6237\u6ce8\u518c\u662f\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\u7684\u4e00\u4e2a\u57fa\u672c\u529f\u80fd\u3002\u672c\u6587\u5c06\u6f14\u793a\u5982\u4f55\u4f7f\u7528\u6570\u7ec4\u5728 Java \u4e2d\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u7528\u6237\u6ce8\u518c\u7cfb\u7edf\u3002 \u6b65\u9aa4 1\uff1a\u521b\u5efa\u7528\u6237\u6570\u7ec4\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4\u6765\u5b58\u50a8\u7528\u6237\u4fe1\u606f\u3002\u6570\u7ec4\u7c7b\u578b\u5e94\u4e3a User[]\uff0c\u5176\u4e2d User \u662f\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7c7b\uff0c\u8868\u793a\u5355\u4e2a\u7528\u6237\u3002 User[] users = new User[10]; \/\/ \u521b\u5efa\u4e00\u4e2a\u53ef\u4ee5\u5bb9\u7eb3 10 \u4e2a\u7528\u6237\u7684\u6570\u7ec4 \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4 2\uff1a\u83b7\u53d6\u7528\u6237\u8f93\u5165\u83b7\u53d6\u7528\u6237\u8f93\u5165\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002\u8fd9\u5305\u62ec\u7528\u6237\u540d\u3001\u5bc6\u7801\u548c\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Scanner scanner = new Scanner(System.in); System.out.println(&#8220;\u8bf7\u8f93\u5165\u7528\u6237\u540d\uff1a&#8221;); String username = scanner.nextLine(); System.out.println(&#8220;\u8bf7\u8f93\u5165\u5bc6\u7801\uff1a&#8221;); String password = scanner.nextLine(); System.out.println(&#8220;\u8bf7\u8f93\u5165\u7535\u5b50\u90ae\u4ef6\u5730\u5740\uff1a&#8221;); String email = scanner.nextLine(); User newUser = new User(username, password, email); \/\/ [&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-38751","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38751","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=38751"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38751\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}