https://blog.youkuaiyun.com/lyingflayzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/lyingflay/article/details/160548076https://blog.youkuaiyun.com/lyingflay/article/details/160548076lyingflayMon, 27 Apr 2026 11:51:41 +0800https://blog.youkuaiyun.com/lyingflay/article/details/160189081https://blog.youkuaiyun.com/lyingflay/article/details/160189081lyingflayMon, 20 Apr 2026 17:50:17 +0800https://blog.youkuaiyun.com/lyingflay/article/details/160171903https://blog.youkuaiyun.com/lyingflay/article/details/160171903lyingflayThu, 16 Apr 2026 15:43:45 +0800。）简化 JSP 开发，提高页面代码可读性与可维护性，常与 EL 表达式配合使用。]]>https://blog.youkuaiyun.com/lyingflay/article/details/160144907https://blog.youkuaiyun.com/lyingflay/article/details/160144907lyingflayWed, 15 Apr 2026 10:37:02 +0800New—>Package—>分别创建java(源码包)和resources(配置文件包)Application server：选择本地 Tomcat 路径。打开浏览器输入，localhost:8080，若显示Tomcat的默认页面，启动正常。在src文件夹右击—>New—>Package—>创建test.java。右击src—>New—>Package—>输入main，创建main包。点击➕选择—>Tomcat Server—>Local。配置：Name：自定义（如 Tomcat9）]]>https://blog.youkuaiyun.com/lyingflay/article/details/159722969https://blog.youkuaiyun.com/lyingflay/article/details/159722969lyingflayTue, 14 Apr 2026 12:05:40 +0800https://blog.youkuaiyun.com/lyingflay/article/details/160022194https://blog.youkuaiyun.com/lyingflay/article/details/160022194lyingflayMon, 13 Apr 2026 12:08:40 +0800https://blog.youkuaiyun.com/lyingflay/article/details/159631634https://blog.youkuaiyun.com/lyingflay/article/details/159631634lyingflayFri, 03 Apr 2026 12:58:32 +0800https://blog.youkuaiyun.com/lyingflay/article/details/159548491https://blog.youkuaiyun.com/lyingflay/article/details/159548491lyingflayFri, 27 Mar 2026 17:42:01 +0800声明全局变量/方法；<% %>编写业务逻辑；<%= %>输出表达式结果访问计数利用全局变量特性，可快速实现简易的网站访问计数功能异常处理通过errorPage与可快速搭建统一异常处理页面页面复用静态包含是页面复用的常用方式，适合抽离公共页面片段文件结构规范的文件结构能让项目更清晰，便于后期维护与功能扩展。]]>https://blog.youkuaiyun.com/lyingflay/article/details/159390690https://blog.youkuaiyun.com/lyingflay/article/details/159390690lyingflayMon, 23 Mar 2026 22:56:14 +0800https://blog.youkuaiyun.com/lyingflay/article/details/159253122https://blog.youkuaiyun.com/lyingflay/article/details/159253122lyingflaySat, 21 Mar 2026 14:38:07 +0800https://blog.youkuaiyun.com/lyingflay/article/details/158935589https://blog.youkuaiyun.com/lyingflay/article/details/158935589lyingflaySun, 15 Mar 2026 11:15:00 +0800https://blog.youkuaiyun.com/lyingflay/article/details/158922659https://blog.youkuaiyun.com/lyingflay/article/details/158922659lyingflaySun, 15 Mar 2026 11:00:00 +0800New—>Package—>输入com.example.uint2_1,创建com.example.uint2_1层级包。有项目界面：单击菜单栏“File → New→ Project”命令，打开“New Project”对话框。在main文件夹右击—>New—>Directory—>输入java，创建java目录。3、本地仓库（Maven下载的依赖包、插件包 “缓存”），根据需要修改。二、IDEA全局配置Maven（一次配置，永久生效）3、本机安装的Java版本（自动匹配）]]>https://blog.youkuaiyun.com/lyingflay/article/details/158841114https://blog.youkuaiyun.com/lyingflay/article/details/158841114lyingflayTue, 10 Mar 2026 23:04:25 +0800New—>Directory—>输入resources，创建resources目录。单击菜单栏“File → New→ Project”命令，打开“New Project”对话框。在src文件夹右击—>New—>Directory—>输入main，创建main目录。Maven home directory：选择你本地的 Maven 路径。打开系统环境变量：此电脑 → 属性 → 高级系统设置 → 环境变量。复制 Maven 解压后的完整路径。Maven 是 Java 项目的。]]>