{"id":404,"date":"2022-09-20T11:26:57","date_gmt":"2022-09-20T03:26:57","guid":{"rendered":"https:\/\/qaqaq.top\/?p=404"},"modified":"2022-11-27T12:40:02","modified_gmt":"2022-11-27T04:40:02","slug":"%e9%a1%b9%e7%9b%ae%e4%b8%80-%e5%ae%b6%e5%ba%ad%e6%94%b6%e6%94%af%e8%ae%b0%e8%b4%a6%e8%bd%af%e4%bb%b6-%e5%a4%8d%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=404","title":{"rendered":"\u9879\u76ee\u4e00 \u5bb6\u5ead\u6536\u652f\u8bb0\u8d26\u8f6f\u4ef6 \u590d\u4e60"},"content":{"rendered":"\n<p>FamilyAccount1.java<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class FamilyAccount1{\r\n\tpublic static void main(String&#91;] args){\r\n\r\n\t\tString details = \"\";\r\n\t\tint money = 10000;\r\n\r\n\t\tlabel:while(true){\r\n\r\n\t\t\tSystem.out.println(\"\\n\" + \"-----------------\u5bb6\u5ead\u6536\u652f\u8bb0\u8d26\u8f6f\u4ef6-----------------\" + \"\\n\");\r\n\t\t\tSystem.out.println(\"                   1 \u6536\u652f\u660e\u7ec6\");\r\n\t\t\tSystem.out.println(\"                   2 \u767b\u8bb0\u6536\u5165\");\r\n\t\t\tSystem.out.println(\"                   3 \u767b\u8bb0\u652f\u51fa\");\r\n\t\t\tSystem.out.println(\"                   4 \u9000    \u51fa\" + \"\\n\");\r\n\t\t\tSystem.out.print(\"                   \u8bf7\u9009\u62e9(1-4)\uff1a\");\r\n\t\t\tchar selection = Utility.readMenuSelection();\r\n\r\n\t\t\tswitch(selection){\r\n\t\t\tcase '1':\r\n\t\t\t\tSystem.out.println(\"\\n\" + \"-----------------\u5f53\u524d\u6536\u652f\u660e\u7ec6\u8bb0\u5f55-----------------\");\r\n\t\t\t\tSystem.out.println(\"\u6536\u652f\" + \"\\t\" + \"\u8d26\u6237\u91d1\u989d\" + \"\\t\" + \"\u6536\u652f\u91d1\u989d\" + \"\\t\" + \"\u8bf4    \u660e\");\r\n\t\t\t\tSystem.out.println(details);\r\n\t\t\t\tSystem.out.println(\"--------------------------------------------------\");\r\n\r\n\t\t\t\tbreak;\r\n\t\t\tcase '2':\r\n\t\t\t\tSystem.out.print(\"\\n\" + \"\u672c\u6b21\u6536\u5165\u91d1\u989d\uff1a\");\r\n\t\t\t\tint addMoney = Utility.readNumber();\r\n\t\t\t\tSystem.out.print(\"\u672c\u6b21\u6536\u5165\u8bf4\u660e\uff1a\");\r\n\t\t\t\tString addInfo = Utility.readString();\r\n\r\n\t\t\t\tmoney += addMoney;\r\n\t\t\t\tdetails += (\"\u6536\u5165\" + \"\\t\" + money + \"\\t\\t\" + addMoney + \"\\t\\t\" + addInfo + \"\\n\");\r\n\r\n\t\t\t\tSystem.out.println(\"---------------------\u767b\u8bb0\u5b8c\u6210---------------------\");\r\n\r\n\t\t\t\tbreak;\r\n\t\t\tcase '3':\r\n\t\t\t\tSystem.out.print(\"\\n\" + \"\u672c\u6b21\u652f\u51fa\u91d1\u989d\uff1a\");\r\n\t\t\t\tint minusMoney = Utility.readNumber();\r\n\t\t\t\tSystem.out.print(\"\u672c\u6b21\u652f\u51fa\u8bf4\u660e\uff1a\");\r\n\t\t\t\tString minusInfo = Utility.readString();\r\n\r\n\t\t\t\tif (minusMoney > money){\r\n\t\t\t\t\tSystem.out.print(\"\u60a8\u7684\u4f59\u989d\u4e0d\u8db3\uff01\");\r\n\t\t\t\t}else{\r\n\t\t\t\t\tmoney -= minusMoney;\r\n\t\t\t\t}\r\n\r\n\t\t\t\tdetails += (\"\u652f\u51fa\" + \"\\t\" + money + \"\\t\\t\" + minusMoney + \"\\t\\t\" + minusInfo + \"\\n\");\r\n\r\n\t\t\t\tSystem.out.println(\"---------------------\u767b\u8bb0\u5b8c\u6210---------------------\");\r\n\r\n\t\t\t\tbreak;\r\n\t\t\tcase '4':\r\n\t\t\t\tSystem.out.print(\"\\n\" + \"\u786e\u8ba4\u662f\u5426\u9000\u51fa(Y\/N)\uff1a\");\r\n\t\t\t\tchar isExit = Utility.readConfirmSelection();\r\n\r\n\t\t\t\tif(isExit == 'Y'){\r\n\t\t\t\t\tbreak label;\r\n\t\t\t\t}\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n}<\/code><\/pre>\n\n\n\n<p>Utility.java<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import java.util.Scanner;\r\n\/**\r\nUtility\u5de5\u5177\u7c7b\uff1a\r\n\u5c06\u4e0d\u540c\u7684\u529f\u80fd\u5c01\u88c5\u4e3a\u65b9\u6cd5\uff0c\u5c31\u662f\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u8c03\u7528\u65b9\u6cd5\u4f7f\u7528\u5b83\u7684\u529f\u80fd\uff0c\u800c\u65e0\u9700\u8003\u8651\u5177\u4f53\u7684\u529f\u80fd\u5b9e\u73b0\u7ec6\u8282\u3002\r\n*\/\r\npublic class Utility {\r\n    private static Scanner scanner = new Scanner(System.in);\r\n    \/**\r\n\t\u7528\u4e8e\u754c\u9762\u83dc\u5355\u7684\u9009\u62e9\u3002\u8be5\u65b9\u6cd5\u8bfb\u53d6\u952e\u76d8\uff0c\u5982\u679c\u7528\u6237\u952e\u5165\u20191\u2019-\u20194\u2019\u4e2d\u7684\u4efb\u610f\u5b57\u7b26\uff0c\u5219\u65b9\u6cd5\u8fd4\u56de\u3002\u8fd4\u56de\u503c\u4e3a\u7528\u6237\u952e\u5165\u5b57\u7b26\u3002\r\n\t*\/\r\n\tpublic static char readMenuSelection() {\r\n        char c;\r\n        for (; ; ) {\r\n            String str = readKeyBoard(1);\r\n            c = str.charAt(0);\r\n            if (c != '1' &amp;&amp; c != '2' &amp;&amp; c != '3' &amp;&amp; c != '4') {\r\n                System.out.print(\"\u9009\u62e9\u9519\u8bef\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\uff1a\");\r\n            } else break;\r\n        }\r\n        return c;\r\n    }\r\n\t\/**\r\n\t\u7528\u4e8e\u6536\u5165\u548c\u652f\u51fa\u91d1\u989d\u7684\u8f93\u5165\u3002\u8be5\u65b9\u6cd5\u4ece\u952e\u76d8\u8bfb\u53d6\u4e00\u4e2a\u4e0d\u8d85\u8fc74\u4f4d\u957f\u5ea6\u7684\u6574\u6570\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u3002\r\n\t*\/\r\n    public static int readNumber() {\r\n        int n;\r\n        for (; ; ) {\r\n            String str = readKeyBoard(4);\r\n            try {\r\n                n = Integer.parseInt(str);\r\n                break;\r\n            } catch (NumberFormatException e) {\r\n                System.out.print(\"\u6570\u5b57\u8f93\u5165\u9519\u8bef\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\uff1a\");\r\n            }\r\n        }\r\n        return n;\r\n    }\r\n\t\/**\r\n\t\u7528\u4e8e\u6536\u5165\u548c\u652f\u51fa\u8bf4\u660e\u7684\u8f93\u5165\u3002\u8be5\u65b9\u6cd5\u4ece\u952e\u76d8\u8bfb\u53d6\u4e00\u4e2a\u4e0d\u8d85\u8fc78\u4f4d\u957f\u5ea6\u7684\u5b57\u7b26\u4e32\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u3002\r\n\t*\/\r\n    public static String readString() {\r\n        String str = readKeyBoard(8);\r\n        return str;\r\n    }\r\n\t\r\n\t\/**\r\n\t\u7528\u4e8e\u786e\u8ba4\u9009\u62e9\u7684\u8f93\u5165\u3002\u8be5\u65b9\u6cd5\u4ece\u952e\u76d8\u8bfb\u53d6\u2018Y\u2019\u6216\u2019N\u2019\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u3002\r\n\t*\/\r\n    public static char readConfirmSelection() {\r\n        char c;\r\n        for (; ; ) {\r\n            String str = readKeyBoard(1).toUpperCase();\r\n            c = str.charAt(0);\r\n            if (c == 'Y' || c == 'N') {\r\n                break;\r\n            } else {\r\n                System.out.print(\"\u9009\u62e9\u9519\u8bef\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\uff1a\");\r\n            }\r\n        }\r\n        return c;\r\n    }\r\n\t\r\n\t\r\n    private static String readKeyBoard(int limit) {\r\n        String line = \"\";\r\n\r\n        while (scanner.hasNext()) {\r\n            line = scanner.nextLine();\r\n            if (line.length() &lt; 1 || line.length() > limit) {\r\n                System.out.print(\"\u8f93\u5165\u957f\u5ea6\uff08\u4e0d\u5927\u4e8e\" + limit + \"\uff09\u9519\u8bef\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\uff1a\");\r\n                continue;\r\n            }\r\n            break;\r\n        }\r\n\r\n        return line;\r\n    }\r\n}\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>FamilyAccount1.java Utility.java<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[46],"class_list":["post-404","post","type-post","status-publish","format-standard","hentry","category-java-code","tag-java"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/404"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=404"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/404\/revisions"}],"predecessor-version":[{"id":405,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/404\/revisions\/405"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}