涵盖安装、配置、常见问题&技巧、Maven、Git、Tomcat、快捷键、项目配置等. 入门..................................................................................................................................................... 5 安装步骤..................................................................................................................................... 5 目录说明..................................................................................................................................... 8 启动配置..................................................................................................................................... 9 配置空间...........................................................................................................................10 首次启动...........................................................................................................................11 首次配置...................................................................................................................................15 Appearance&Behavier（外观和行为）.......................................................................... 16 KeyMap..............................................................................................................................20 Editor（编辑器）............................................................................................................. 20 Plugins（插件）............................................................................................................... 47 Version Control（版本控制）..........................................................................................47 Build Execution Deployment（构建执行部署）............................................................ 48 Languages&Frameworks...................................................................................................52 Tools...................................................................................................................................52 第一次启动后...........................................................................................................................53 调出面板和按钮组...........................................................................................................54 面板说明...........................................................................................................................54 项目配置........................................................................................................................................... 55 Project（项目）....................................................................................................................... 55 Modules（模块）.....................................................................................................................55 Libraries（类库）.....................................................................................................................56 Facets（特征）.........................................................................................................................57 ArtiFacts（打包）.....................................................................................................................58 SDK（系统开发 工具 ）............................................................................................................ 58 Global libraries（全局类库）.................................................................................................. 59 Problems（问题）....................................................................................................................60 Maven 专题.......................................................................................................................................60 配置........................................................................................................................................... 61 主配置...............................................................................................................................61 Import 配置.......................................................................................................................61 Ignore Files 配置............................................................................................................... 62 Runner 配置......................................................................................................................63 RunnerTest.........................................................................................................................63 Repositories 配置..............................................................................................................64 使用入门...................................................................................................................................65 面板说明...........................................................................................................................65 命令模式...........................................................................................................................68 Tomcat 专题...................................................................................................................................... 70 安装配置...................................................................................................................................70 启动........................................................................................................................................... 73 面板说明...................................................................................................................................73 idea -教程 作者 Ricky 交流群：244930845 Run with coverage .....................................................................................................................75 Tomcat 集成原理...................................................................................................................... 76 Conf（配置）................................................................................................................... 77 Logs....................................................................................................................................78 Work.................................................................................................................................. 78 GIT 专题.............................................................................................................................................79 安装........................................................................................................................................... 79 使用........................................................................................................................................... 79 拉取项目...........................................................................................................................80 更新项目...........................................................................................................................81 提交项目...........................................................................................................................81 面板说明...................................................................................................................................82 Local Changes....................................................................................................................82 Shelf 面板..........................................................................................................................83 Log 面板............................................................................................................................ 83 Console 面板.....................................................................................................................83 History 面板...................................................................................................................... 84 项目 git 面板.....................................................................................................................84 仓库选项...........................................................................................................................84 SVN 专题........................................................................................................................................... 85 配置........................................................................................................................................... 85 1.1 下载&安装 svn........................................................................................................... 85 1.2 配置.............................................................................................................................85 检出项目...................................................................................................................................86 面板说明...................................................................................................................................92 工具 栏面板.......................................................................................................................92 VersionControl（版本控制）.......................................................................................... 92 常用操作...................................................................................................................................95 加入版本控制...................................................................................................................95 提交远程...........................................................................................................................96 更新项目...........................................................................................................................98 冲突解决...........................................................................................................................99 SSM 搭建.........................................................................................................................................100 Maven 项目.............................................................................................................................101 Jar 包....................................................................................................................................... 105 添加 Spring 支持............................................................................................................ 106 数据库和 mybatis...........................................................................................................107 其他 jar............................................................................................................................108 配置文件.................................................................................................................................109 Web.xml.......................................................................................................................... 109 Spring-service.xml...........................................................................................................110 Spring-mvc.xml................................................................................................................112 项目目录结构.........................................................................................................................113 说明.........................................................................................................................................114 Demo 地址：.......................................................................................................................... 114 常用技巧&问题.............................................................................................................................. 114 创建自定义快捷列表.............................................................................................................114 Tomcat 部署失败....................................................................................................................115 情况 1..............................................................................................................................115 热部署注意事项.....................................................................................................................116 修改 JAVA 编译版本...............................................................................................................116 UTF8BOM 格式转 utf8........................................................................................................... 117 插件安装(本地)...................................................................................................................... 118 JSP 实时编译问题...................................................................................................................119 搜索功能失效.........................................................................................................................120 自动导入依赖.........................................................................................................................120 提示不区分大小写.................................................................................................................120 剪贴板数量设置.....................................................................................................................121 生成 JAVADOC.........................................................................................................................121 设置 Spring 支持.....................................................................................................................123 启动时不自动打开项目.........................................................................................................123 取消 注释检查.........................................................................................................................124 全屏设置.................................................................................................................................124 本地历史.................................................................................................................................125 搜索.........................................................................................................................................125 所有文件.........................................................................................................................125 项目文件.........................................................................................................................126 取消 重复代码提示.................................................................................................................126 设置字符集.............................................................................................................................127 项目字符集.....................................................................................................................127 单个文件.........................................................................................................................128 Idea 优化配置.........................................................................................................................128 启动参数优化.................................................................................................................129 插件优化.........................................................................................................................130 运行优化.........................................................................................................................130 Git 证书失效........................................................................................................................... 130 取消 更新.................................................................................................................................131 快捷键............................................................................................................................................. 131 Ctrl........................................................................................................................................... 131 Alt............................................................................................................................................ 133 Shift..........................................................................................................................................133 Ctrl + Alt...................................................................................................................................134 Ctrl + Shift................................................................................................................................134 Alt + Shift................................................................................................................................. 136 Ctrl + Shift + Alt....................................................................................................................... 136 其他.........................................................................................................................................136

入门..................................................................................................................................................... 5 安装步骤..................................................................................................................................... 5 目录说明..................................................................................................................................... 8 启动配置..................................................................................................................................... 9 配置空间...........................................................................................................................10 首次启动...........................................................................................................................11 首次配置...................................................................................................................................15 Appearance&Behavier;（外观和行为）.......................................................................... 16 KeyMap..............................................................................................................................20 Editor（编辑器）............................................................................................................. 20 Plugins（插件）............................................................................................................... 47 Version Control（版本控制）..........................................................................................47 Build Execution Deployment（构建执行部署）............................................................ 48 Languages&Frameworks;...................................................................................................52 Tools...................................................................................................................................52 第一次启动后...........................................................................................................................53 调出面板和按钮组...........................................................................................................54 面板说明...........................................................................................................................54 项目配置........................................................................................................................................... 55 Project（项目）....................................................................................................................... 55 Modules（模块）.....................................................................................................................55 Libraries（类库）.....................................................................................................................56 Facets（特征）.........................................................................................................................57 ArtiFacts（打包）.....................................................................................................................58 SDK（系统开发 工具 ）............................................................................................................ 58 Global libraries（全局类库）.................................................................................................. 59 Problems（问题）....................................................................................................................60 Maven 专题.......................................................................................................................................60 配置........................................................................................................................................... 61 主配置...............................................................................................................................61 Import 配置.......................................................................................................................61 Ignore Files 配置............................................................................................................... 62 Runner 配置......................................................................................................................63 RunnerTest.........................................................................................................................63 Repositories 配置..............................................................................................................64 使用入门...................................................................................................................................65 面板说明...........................................................................................................................65 命令模式...........................................................................................................................68 Tomcat 专题...................................................................................................................................... 70 安装配置...................................................................................................................................70 启动........................................................................................................................................... 73 面板说明...................................................................................................................................73 idea -教程 作者 Ricky 交流群：244930845 Run with coverage .....................................................................................................................75 Tomcat 集成原理...................................................................................................................... 76 Conf（配置）................................................................................................................... 77 Logs....................................................................................................................................78 Work.................................................................................................................................. 78 GIT 专题.............................................................................................................................................79 安装........................................................................................................................................... 79 使用........................................................................................................................................... 79 拉取项目...........................................................................................................................80 更新项目...........................................................................................................................81 提交项目...........................................................................................................................81 面板说明...................................................................................................................................82 Local Changes....................................................................................................................82 Shelf 面板..........................................................................................................................83 Log 面板............................................................................................................................ 83 Console 面板.....................................................................................................................83 History 面板...................................................................................................................... 84 项目 git 面板.....................................................................................................................84 仓库选项...........................................................................................................................84 SVN 专题........................................................................................................................................... 85 配置........................................................................................................................................... 85 1.1 下载&安装 svn........................................................................................................... 85 1.2 配置.............................................................................................................................85 检出项目...................................................................................................................................86 面板说明...................................................................................................................................92 工具 栏面板.......................................................................................................................92 VersionControl（版本控制）.......................................................................................... 92 常用操作...................................................................................................................................95 加入版本控制...................................................................................................................95 提交远程...........................................................................................................................96 更新项目...........................................................................................................................98 冲突解决...........................................................................................................................99 SSM 搭建.........................................................................................................................................100 Maven 项目.............................................................................................................................101 Jar 包....................................................................................................................................... 105 添加 Spring 支持............................................................................................................ 106 数据库和 mybatis...........................................................................................................107 其他 jar............................................................................................................................108 配置文件.................................................................................................................................109 Web.xml.......................................................................................................................... 109 Spring-service.xml...........................................................................................................110 Spring-mvc.xml................................................................................................................112 项目目录结构.........................................................................................................................113 说明.........................................................................................................................................114 idea -教程 作者 Ricky 交流群：244930845 Demo 地址：.......................................................................................................................... 114 常用技巧&问题.............................................................................................................................. 114 创建自定义快捷列表.............................................................................................................114 Tomcat 部署失败....................................................................................................................115 情况 1..............................................................................................................................115 热部署注意事项.....................................................................................................................116 修改 JAVA 编译版本...............................................................................................................116 UTF8BOM 格式转 utf8........................................................................................................... 117 插件安装(本地)...................................................................................................................... 118 JSP 实时编译问题...................................................................................................................119 搜索功能失效.........................................................................................................................120 自动导入依赖.........................................................................................................................120 提示不区分大小写.................................................................................................................120 剪贴板数量设置.....................................................................................................................121 生成 JAVADOC.........................................................................................................................121 设置 Spring 支持.....................................................................................................................123 启动时不自动打开项目.........................................................................................................123 取消 注释检查.........................................................................................................................124 全屏设置.................................................................................................................................124 本地历史.................................................................................................................................125 搜索.........................................................................................................................................125 所有文件.........................................................................................................................125 项目文件.........................................................................................................................126 取消 重复代码提示.................................................................................................................126 设置字符集.............................................................................................................................127 项目字符集.....................................................................................................................127 单个文件.........................................................................................................................128 Idea 优化配置.........................................................................................................................128 启动参数优化.................................................................................................................129 插件优化.........................................................................................................................130 运行优化.........................................................................................................................130 Git 证书失效........................................................................................................................... 130 取消 更新.................................................................................................................................131 快捷键............................................................................................................................................. 131 Ctrl........................................................................................................................................... 131 Alt............................................................................................................................................ 133 Shift..........................................................................................................................................133 Ctrl + Alt...................................................................................................................................134 Ctrl + Shift................................................................................................................................134 Alt + Shift................................................................................................................................. 136 Ctrl + Shift + Alt....................................................................................................................... 136 其他.........................................................................................................................................136

这个错误通常是由于文件编码问题引起的。ufeff是Unicode编码 中 的一个特殊字符，也称为“零宽度非断空格”。它通常出现在文件的开头，表示文件的编码格式是UTF-8 with BOM（带有字节顺序标记的UTF-8编码）。 在Java 中 ，ufeff字符被视为非法字符，因此会导致编译错误。要解决这个问题，可以使用文本编辑器将文件的编码格式更改为UTF-8 without BOM（不带字节顺序标记的UTF-8编码），或者使用Java的字符编码转换器将文件 中 的ufeff字符转换为其他字符。