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2025-11-22
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HTTP/1.1 200 OKServer: nginxContent-Type: text/html; charsetutf-8Vary: Accept-EncodingEtag: 71kmlt9u2w1ck8Vary: Accept-EncodingX-Nextjs-Cache: HITX-Powered-By: Next.jsStrict-Transport-Security: max-age31536000Alt-Svc: quic:443; h3:443; h3-29:443; h3-27:443;h3-25:443; h3-T050:443; h3-Q050:443;h3-Q049:443;h3-Q048:443; h3-Q046:443; h3-Q043:443Transfer-Encoding: chunkedConnection: keep-aliveDate: Sat, 22 Nov 2025 13:45:47 GMTEO-LOG-UUID: 4219778564671203012EO-Cache-Status: MISSCache-Control: max-age0 !DOCTYPE html>html classdark langzh>head>meta charSetutf-8/>meta nameviewport contentwidthdevice-width, initial-scale1, user-scalableno/>title>TigerBlog/title>link relicon hrefhttps://www.tiger-blog.cn/static/img/dd509dfa33c6d3b2df02c54d7a446429.微信å¾ç_20250607114711.webp/>meta namedescription contentTigerBlog/>meta namerobots contentindex, follow/>meta namekeywords contentQQ,插件,学习笔记,Java,JAVA知识,Telegram/>meta namenext-head-count content7/>link data-next-font relpreconnect href/ 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dark:nav-shadow-dark>div classflex justify-center post-card-title >a target_self stylewidth:90% titlestream().toList()和.collect(Collectors.toList())的坑 href/post/yqh>div classtext-lg block font-medium overflow-hidden text-ellipsis whitespace-nowrap px-5 text-center mb-2 mt-2 dark:text-dark text-gray-700 ml-8 md:text-xl ua ua-link>stream().toList()和.collect(Collectors.toList())的坑/div>/a>a classflex items-center href/admin/editor?typearticle&idyqh target_blank>div class text-dark dark:text-gray-700>div>编辑/div>/div>/a>/div>div classtext-center text-xs md:text-sm divide-x divide-gray-400 text-gray-400 dark:text-dark post-card-sub-title>span classinline-flex px-2 items-center>span classmr-1 fill-gray-400 dark:text-dark dark:group-hover:text-dark-hover group-hover:text-gray-900 >svg viewBox0 0 1024 1024 version1.1 xmlnshttp://www.w3.org/2000/svg p-id11557 width16 height16>path dM853.333333 501.333333c-17.066667 0-32 14.933333-32 32v320c0 6.4-4.266667 10.666667-10.666666 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dark:hover:bg-dark-light dark:hover:text-dark-r dark:border-dark dark:text-dark hover:bg-gray-800 hover:text-gray-50 border-2 border-gray-800 text-sm md:text-base text-gray-700 px-2 py-1 transition-all rounded>阅读全文/div>/a>/div>div styleheight:0>/div>/div>/div>div classpost-card-wrapper>div styleposition:relative idpost-card classoverflow-hidden post-card bg-white card-shadow py-4 px-1 sm:px-3 md:py-6 md:px-5 dark:bg-dark dark:nav-shadow-dark>div classflex justify-center post-card-title >a target_self stylewidth:90% titletg获取自己的用户id href/post/yqh>div classtext-lg block font-medium overflow-hidden text-ellipsis whitespace-nowrap px-5 text-center mb-2 mt-2 dark:text-dark text-gray-700 ml-8 md:text-xl ua ua-link>tg获取自己的用户id/div>/a>a classflex items-center href/admin/editor?typearticle&idyqh target_blank>div class text-dark dark:text-gray-700>div>编辑/div>/div>/a>/div>div classtext-center text-xs md:text-sm divide-x divide-gray-400 text-gray-400 dark:text-dark post-card-sub-title>span classinline-flex px-2 items-center>span classmr-1 fill-gray-400 dark:text-dark dark:group-hover:text-dark-hover group-hover:text-gray-900 >svg viewBox0 0 1024 1024 version1.1 xmlnshttp://www.w3.org/2000/svg p-id11557 width16 height16>path dM853.333333 501.333333c-17.066667 0-32 14.933333-32 32v320c0 6.4-4.266667 10.666667-10.666666 10.666667H170.666667c-6.4 0-10.666667-4.266667-10.666667-10.666667V213.333333c0-6.4 4.266667-10.666667 10.666667-10.666666h320c17.066667 0 32-14.933333 32-32s-14.933333-32-32-32H170.666667c-40.533333 0-74.666667 34.133333-74.666667 74.666666v640c0 40.533333 34.133333 74.666667 74.666667 74.666667h640c40.533333 0 74.666667-34.133333 74.666666-74.666667V533.333333c0-17.066667-14.933333-32-32-32z p-id11558>/path>path dM405.333333 484.266667l-32 125.866666c-2.133333 10.666667 0 23.466667 8.533334 29.866667 6.4 6.4 14.933333 8.533333 23.466666 8.533333h8.533334l125.866666-32c6.4-2.133333 10.666667-4.266667 14.933334-8.533333l300.8-300.8c38.4-38.4 38.4-102.4 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text-gray-600 mt-4 mx-2>div classmarkdown-body>div classmarkdown-body>h2 data-id如何在tg上面获取自己的用户id id如何在tg上面获取自己的用户id classmarkdown-heading cursor-pointer>如何在tg上面获取自己的用户id/h2>p>**在tg随便搜索一个机器人(关键词myinfo、myid、getMyId、getMyInfo)br>/p>/div>/div>/div>div classw-full flex justify-center mt-4 >a target_self href/post/yqh>div class dark:bg-dark dark:hover:bg-dark-light dark:hover:text-dark-r dark:border-dark dark:text-dark hover:bg-gray-800 hover:text-gray-50 border-2 border-gray-800 text-sm md:text-base text-gray-700 px-2 py-1 transition-all rounded>阅读全文/div>/a>/div>div styleheight:0>/div>/div>/div>/div>div classmt-4>div>ul classspace-x-2 text-center>a href/>div styleheight:28px;width:28px;border-radius:4px;font-size:14px classinline-flex justify-center items-center transition-all text-gray-600 dark:bg-dark-1 dark:pg-text-dark bg-white hover:bg-gray-200 dark:hover:bg-dark-hover dark:hover:pg-text-dark-hover>‹/div>/a>a href/>div styleheight:28px;width:28px;border-radius:4px;font-size:14px classinline-flex justify-center items-center transition-all text-gray-600 bg-white hover:bg-gray-200 dark:hover:bg-dark-hover dark:hover:pg-text-dark-hover bg-gray-200 dark:bg-dark-hover dark:pg-text-dark-hover>1/div>/a>a href/page/2>div styleheight:28px;width:28px;border-radius:4px;font-size:14px classinline-flex justify-center items-center transition-all text-gray-600 bg-white hover:bg-gray-200 dark:hover:bg-dark-hover dark:hover:pg-text-dark-hover dark:bg-dark-1 dark:pg-text-dark >2/div>/a>a href/page/3>div styleheight:28px;width:28px;border-radius:4px;font-size:14px classinline-flex justify-center items-center transition-all text-gray-600 bg-white hover:bg-gray-200 dark:hover:bg-dark-hover dark:hover:pg-text-dark-hover dark:bg-dark-1 dark:pg-text-dark >3/div>/a>a href/page/2>div styleheight:28px;width:28px;border-radius:4px;font-size:14px classinline-flex justify-center items-center transition-all text-gray-600 dark:bg-dark-1 dark:pg-text-dark bg-white hover:bg-gray-200 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typeapplication/json>{props:{pageProps:{layoutProps:{showFriends:true,version:v0.54.0,subMenuOffset:0,showAdminButton:true,headerLeftContent:siteName,copyrightAggreement:BY-NC-SA,ipcHref:,ipcNumber:,gaBeianNumber:,gaBeianLogoUrl:,gaBeianUrl:,since:2025-06-07T03:48:11.187Z,logo:,favicon:https://www.tiger-blog.cn/static/img/dd509dfa33c6d3b2df02c54d7a446429.微信å¾ç_20250607114711.webp,siteName:TigerBlog,siteDesc:TigerBlog,baiduAnalysisID:,gaAnalysisID:,logoDark:,showExpirationReminder:true,description:TigerBlog,menus:{id:0,name:首页,value:/,level:0},{id:1,name:标签,value:/tag,level:0},{id:2,name:分类,value:/category,level:0},{id:3,name:时间线,value:/timeline,level:0},{id:4,name:友链,value:/link,level:0},{id:5,name:关于,value:/about,level:0},categories:JAVA代码工具,BUG问题,JAVA知识,学习笔记,Python脚本,showSubMenu:false,enableComment:true,defaultTheme:auto,openArticleLinksInNewWindow:false,showCopyRight:true,showDonateButton:true,showRSS:true,showEditButton:true,enableCustomizing:true},articles:{title:QQ插件,content:\n:::info{title\相关信息\}\n前景:需要导出qq群成员信息(在不是群主、管理员的情况下)\n:::\n\n\u003c!-- more --\u003e\nLLTwoBot 此项目可实现大部分qq业务场景\u003cbr\u003e\nGithub地址:https://github.com/LLOneBot/LLOneBot(https://github.com/LLOneBot/LLOneBot)\u003cbr\u003e\n接口文档:https://llonebot.apifox.cn/doc-5341902(https://llonebot.apifox.cn/doc-5341902)\n,tags:QQ,插件,top:0,category:学习笔记,hidden:false,author:tiger,pathname:,private:false,viewer:7,visited:7,createdAt:2025-09-16T09:50:18.589Z,updatedAt:2025-09-16T09:54:25.263Z,id:12,lastVisitedTime:2025-10-17T11:22:55.261Z},{title:特殊字符转义处理,content:\n:::info{title\相关信息\}\n前景:使用分隔符分隔字符串、分隔符包含特殊字符如(\\*+?^)等出现无法分隔问题\u003cbr\u003e\n解决方案:分隔符进行转义处理\n:::\n\n\u003c!-- more --\u003e\n\n\n```java\n // 自动转义所有正则表达式特殊字符\n String escapedSeparator Pattern.quote(\分隔*符\);\n // 转义后的值: \分隔\\\\*符\\n```\n使用Pattern快捷处理,tags:Java,top:0,category:JAVA知识,hidden:false,author:tiger,pathname:,private:false,viewer:7,visited:7,createdAt:2025-09-16T05:56:43.642Z,updatedAt:2025-09-16T09:48:06.777Z,id:11,lastVisitedTime:2025-10-19T08:16:11.845Z},{title:动态表名(处理分表业务),content:\n:::info{title\相关信息\}\n使用场景:当实际业务会产生大量数据时使用分表操作,例如考勤信息按年月日分表、报表信息按年月日分表、也可以按实际业务产生的分类标识进行分表操作\n:::\n\n\u003c!-- more --\u003e\n\n\n配置类:\n```java\npackage com.iagz.cloud.framework.mybatis.config;\n\nimport com.baomidou.mybatisplus.autoconfigure.MybatisPlusAutoConfiguration;\nimport com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;\nimport com.baomidou.mybatisplus.extension.plugins.inner.DynamicTableNameInnerInterceptor;\nimport lombok.extern.slf4j.Slf4j;\nimport org.springframework.boot.autoconfigure.AutoConfiguration;\nimport org.springframework.context.annotation.Bean;\n\nimport javax.sql.DataSource;\nimport java.sql.*;\n\n@Slf4j\n@AutoConfiguration(before MybatisPlusAutoConfiguration.class)\npublic class MybatisPlusConfig {\n\n // 使用ThreadLocal保存动态表名参数\n private static final ThreadLocal\u003cString\u003e PARAM new ThreadLocal\u003c\u003e();\n\n public static void setParam(String param) {\n PARAM.set(param);\n }\n\n public static void clearParam() {\n PARAM.remove();\n }\n\n @Bean\n public MybatisPlusInterceptor mybatisPlusInterceptor(DataSource dataSource) {\n MybatisPlusInterceptor interceptor new MybatisPlusInterceptor();\n\n // 添加动态表名拦截器\n interceptor.addInnerInterceptor(dynamicTableNameInnerInterceptor(dataSource));\n log.info(\MybatisPlusInterceptor 已创建并配置了动态表名拦截器\);\n // 可以添加其他拦截器\n // interceptor.addInnerInterceptor(new PaginationInnerInterceptor(DbType.MYSQL));\n\n return interceptor;\n }\n\n @Bean\n public DynamicTableNameInnerInterceptor dynamicTableNameInnerInterceptor(DataSource dataSource) {\n DynamicTableNameInnerInterceptor interceptor new DynamicTableNameInnerInterceptor();\n\n interceptor.setTableNameHandler((sql, tableName) -\u003e {\n if (\模板表名\.equals(tableName)) {\n String param PARAM.get();\n if (param ! null) {\n String physicalTableName \模板表名_\ + param;\n ensureTableExists(dataSource, physicalTableName);\n return physicalTableName;\n }\n }\n return tableName;\n });\n\n return interceptor;\n }\n\n // 确保表存在的方法\n private synchronized void ensureTableExists(DataSource dataSource, String targetTableName) {\n if (!checkTableExists(dataSource, targetTableName)) {\n createTableFromTemplate(dataSource, targetTableName);\n }\n }\n\n // 检查表是否存在\n private boolean checkTableExists(DataSource dataSource, String tableName) {\n try (Connection connection dataSource.getConnection()) {\n DatabaseMetaData metaData connection.getMetaData();\n try (ResultSet resultSet metaData.getTables(null, null, tableName, new String{\TABLE\})) {\n return resultSet.next();\n }\n } catch (SQLException e) {\n throw new RuntimeException(\检查表是否存在失败: \ + tableName, e);\n }\n }\n\n // 使用 CREATE TABLE ... LIKE 语法创建新表\n private void createTableFromTemplate(DataSource dataSource, String targetTableName) {\n String sourceTableName \模板表名\;\n\n // 1. 首先检查源表是否存在\n if (!checkTableExists(dataSource, sourceTableName)) {\n throw new RuntimeException(\模板表 \ + sourceTableName + \ 不存在，无法创建分表\);\n }\n\n String createSql \CREATE TABLE \ + targetTableName + \ LIKE \ + sourceTableName;\n\n try (Connection connection dataSource.getConnection();\n Statement statement connection.createStatement()) {\n\n statement.execute(createSql);\n log.info(\分表创建成功: {} (基于模板表: {})\, targetTableName, sourceTableName);\n\n } catch (SQLException e) {\n throw new RuntimeException(\创建分表失败: \ + targetTableName, e);\n }\n }\n}\n```\nservice层调用方法\n\n```java\n@Service\npublic class YourService {\n \n private final YourMapper yourMapper;\n private final MybatisPlusConfig.TableManager tableManager;\n \n public void yourMethod(String param) {\n try {\n // 设置动态表名参数\n MybatisPlusConfig.setParam(param);\n \n // 执行数据库操作\n yourMapper.selectList(null);\n \n } finally {\n MybatisPlusConfig.clearPanelId();\n }\n }\n}\n```,tags:Java,top:0,category:JAVA知识,hidden:false,author:tiger,pathname:,private:false,viewer:14,visited:14,createdAt:2025-08-25T05:43:06.429Z,updatedAt:2025-09-16T09:48:06.778Z,id:10,lastVisitedTime:2025-10-19T09:19:10.469Z},{title:stream().toList()和.collect(Collectors.toList())的坑,content::::info{title\前景\}\n此业务场景在工作使用中发现、使用stream流.toList() 创建的集合对象无法修改\n:::\n\n\u003c!-- more --\u003e\n\n```java\nList\u003cInteger\u003e list1 list.stream().toList();\nList\u003cInteger\u003e list2 list.stream().collect(Collectors.toList());\n```\n- 上面是两个不同stream流创建集合的方法\u003cbr\u003e\n- 有时候idea还会提示你替换它?\u003cbr\u003e\n- 你以为他们的特性是一样的?\u003cbr\u003e\n- 那就大错特错了!!!\n\n```java\nclass java.util.ImmutableCollections$ListN\nclass java.util.ArrayList\n```\n- 第一个返回的结果和第二个返回的结果完全不一样\u003cbr\u003e\n- .toList()返回ImmutableCollections$ListN\u003cbr\u003e\n- .collect(Collectors.toList())返回ArrayList\u003cbr\u003e\n- 所以当你操作使用.toList()返回的结果就会出现异常\u003cbr\u003e\n- 因为该集合对象是不可被修改的\n\n:::tip{title\提示\}\ntoList() 是JDK16后的特性\n:::,tags:Java,top:0,category:JAVA知识,hidden:false,author:tiger,pathname:yqh,private:false,viewer:75,visited:75,createdAt:2025-07-21T06:27:36.814Z,updatedAt:2025-09-16T09:48:06.779Z,id:9,lastVisitedTime:2025-10-19T02:28:25.970Z},{title:tg获取自己的用户id,content:## 如何在tg上面获取自己的用户id\n**在tg随便搜索一个机器人(关键词myinfo、myid、getMyId、getMyInfo)\u003cbr\u003e\n\n\u003c!-- more --\u003e\n\n我以此机器人示例:https://t.me/userinfobot\u003cbr\u003e**\n\n!image.png(/static/img/716c72f2c1a1c69c1425cc7349cd8594.image.webp),tags:Telegram,top:0,category:学习笔记,hidden:false,author:tiger,pathname:yqh,private:false,viewer:34,visited:34,createdAt:2025-07-12T06:41:44.782Z,updatedAt:2025-09-16T09:45:24.242Z,id:8,lastVisitedTime:2025-11-13T15:10:06.514Z},currPage:1,authorCardProps:{postNum:12,tagNum:8,catelogNum:5,socials:{updatedAt:2025-06-30T08:58:08.917Z,value:w3441293738@gmail.com,type:email},author:tiger,desc:tiger,logo:https://www.tiger-blog.cn/static/img/dd509dfa33c6d3b2df02c54d7a446429.微信å¾ç_20250607114711.webp,logoDark:,showSubMenu:false,showRSS:true}},__N_SSG:true},page:/,query:{},buildId:77JJh7CBRvlkoRHH7B3Ea,isFallback:false,dynamicIds:9272,gsp:true,scriptLoader:}/script>/body>/html>
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