IntelliJ IDEA 2017.2 帮助文档指南

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IntelliJ IDEA 2017.2 Help IntelliJ IDEA 是一个功能强大且功能丰富的集成开发环境（IDE），旨在帮助开发者快速高效地构建、测试和部署软件应用程序。作为一款专业的开发工具，它提供了广泛的功能和特性，以满足不同开发者的需求。 **概述** IntelliJ IDEA 2017.2 Help 是一份详细的帮助文档，旨在帮助开发者快速掌握 IntelliJ IDEA 的使用方法。该文档提供了详细的指南、教程和参考资料，以帮助开发者快速上手使用 IntelliJ IDEA。 **主要特性** 1. **概览**：IntelliJ IDEA 提供了一个概览页面，概括了其主要特性和功能。 2. **入门指南**：该文档提供了一个入门指南，帮助新手开发者快速开始使用 IntelliJ IDEA。 3. **高级用户指南**：对于高级用户，该文档提供了更高级的指南，帮助他们充分发挥 IntelliJ IDEA 的功能。 4. **迁移指南**：对于从其他开发环境迁移到 IntelliJ IDEA 的开发者，该文档提供了详细的迁移指南。 **语言和框架支持** IntelliJ IDEA 支持多种编程语言和框架，包括 Java、Java EE、Android、Grails、Groovy、Gradle、Scala 等。该文档提供了详细的指南，帮助开发者快速开始使用这些语言和框架。 **通用指南** 该文档还提供了通用指南，帮助开发者完成常见的开发任务，例如创建和运行应用程序、管理项目依赖项、使用版本控制系统等。 **高级技巧** 对于高级用户，该文档提供了高级技巧和指南，帮助他们充分发挥 IntelliJ IDEA 的功能，例如使用插件、自定义设置等。 **安装要求** IntelliJ IDEA 需要 Java Runtime Environment（JRE）1.8 或更高版本来运行。在 Windows、Mac OS 和 Linux 等多种操作系统上都可以运行。 **硬件要求** IntelliJ IDEA 可以在多种硬件平台上运行，包括 Microsoft Windows、Mac OS 和 Linux 等。对于 Windows 平台，需要 Windows 10/8/7/Vista/2003/XP（32 位或 64 位）操作系统。 **结论** IntelliJ IDEA 2017.2 Help 是一份功能强大且详细的帮助文档，旨在帮助开发者快速掌握 IntelliJ IDEA 的使用方法。该文档提供了广泛的功能和特性，以满足不同开发者的需求。

Disable unnecessary gutter icons

Gutter, the leftmost editor column, typically displays useful information related to the code you’re editing. If you feel that

sometimes it’s just too much, you can configure what you want to see in the Settings/Preferences dialog: Editor | General |

Gutter Icons.

Disable annoying intention light bulb

One more thing that might be annoying is the intention bulb that appears in the editor every time there is an intention

available at the caret. Disabling that is a little bit more difficult: you need to manually edit your <IntelliJ IDEA preferences

folder>/options/editor.xml , and add the following line:

Using from Search everywhere

With Search Everywhere you can find arbitrary text fragments literally everywhere: in the code, libraries, parts of the UI,

settings (by prepending the settings name with # ), or even action names. If you’re using this feature a lot, it’s worth knowing

that you can access IntelliJ IDEA settings by just pressing right in its popup. For example, here we’re accessing

the editor settings:

If you start your search query with #plugins , you’ll be able to turn them on and off:

Other tags include #appearance , #system , #inspections , #registry , #intentions , #templates , and #vcs .

Another interesting fact is that Search Everywhere supports abbreviations. You can use Keymap page of the

Settings/Preferences dialog to assign a short text to any action, and then have this action called from Search Everywhere by

entering this text:

Hide editor tabs

When you need to close all editor tabs except the current one, click the close icon on the current tab holding Alt :

If you don’t want to see the editor tabs at all, go to the Editor Tabs page of the Editor Settings/Preferences and under the

Placement drop-down select None.

Enter

Open file in new window

A feature that is not that easy to find, yet comes in handy, is opening a file in a new window by selecting it in the Project Tool

Window and clicking .

Use path completion

Path completion helps you speed up the selection of files, folders, etc. This is useful when adding a new SDK in the Project

Structure dialog , or specifying an application server home directory .

When you start typing a path, press to invoke the suggestions list:

Add stop and resume buttons to the toolbar

It might be convenient to add Stop and Resume buttons to the toolbar of the Navigation Bar. You can do it via the

Appearance and Behavior | Menus and Toolbars page of the Settings/Preferences dialog.

If you prefer to use the mouse rather than keyboard shortcuts, this way you won’t need to open the Debug tool window to

manage your current debugging session.

Editor

Compare with clipboard

IntelliJ IDEA has a built-in Diff viewers for code, jar files, revisions and even images. To invoke it, select any pair of files and

press .

If you have selected a single file, the IDE will prompt you to select the one to compare to. To quickly compare active editor

with Clipboard, choose View | Compare with Clipboard.

Paste from history

Speaking of Clipboard, IntelliJ IDEA keeps track of everything you put there. Anytime you want to paste one of the previously

copied items, press .

Multiple selections

Multiple selection is a relatively new, very powerful editor feature, which lets you quickly select and edit multiple (adjacent or

not) pieces of code at once.

In a nutshell, here’s what happens. You either start with pressing (and then IntelliJ IDEA selects a symbol at caret),

or you can just select something as you normally would.

Then, press and IntelliJ IDEA will search the current file forward until it finds a matching piece of text, which it adds

to the selection. You can press again to go forward, or to go back, but note that when search

reaches the end of file, it will start over from the beginning of the file.

After selection is complete, you can start editing all the fragments as if they were one.

Hot tip: One more way to clone caret is to press ( for macOS) twice, and then move the caret up or down

with arrows or simply with mouse.

Emmet

In case you didn’t know, Emmet is a great way to write HTML, XML and CSS code. IntelliJ IDEA supports it out of the box:

simply write an Emmet expression and press to expand it.

Use the Emmet preview action (which is available vis Find Action or Search Everywhere - so make sure to assign it to a

handy shortcut) to see a preview of the resulting code.

Shift+Enter

Ctrl+Space

Ctrl+D

Ctrl+Shift+V

Alt+J

Alt+J Shift+Alt+J

Ctrl Alt

Tab

Regex

Regular expressions are powerful and widely used, but sometimes it’s just too hard to write them properly. IntelliJ IDEA will

help you check any Regex in your code: just place caret in it and press to use the Check Regex intention:

Find and replace with Regex groups

Another place where IntelliJ IDEA helps with Regex is the Find and Replace feature. It’s worth knowing that it supports

captured groups in replacement expressions.

Find and replace also lets you exclude comments and literals from search: to do that, use the Gear icon .

Bytecode viewer

Sometimes seeing the actual bytecode your program generates is very insightful.

In IntelliJ IDEA you can always do that via View | Show Bytecode.

Version control

Amend changes

In the Commit Changes dialog IntelliJ IDEA offers to perform a variety of operations. One of them is Amend commit, which is

useful when you want to change your last commit and join your current change to it.

Shelves and patches

Shelves is an IDE feature similar to Git Stash, but that works for all VCS: it helps when you need to pause your current work

and pull something from the repository to fix it asap, and then resume working on whatever it was you were working on. This

feature takes care of locally changed files without committing them, so no more lost changes or hastily made merge

commits.

Refer to the page Git-Stach and to the section Stashing and Unstashing for more detail.

Patches allow you to save a set of changes to a text file that can be transferred via email (or any other ancient medium), and

then applied to the code. It’s super helpful when you really need to commit something after your plane crash landed on a

desert island, or you somehow else got yourself in a situation without reliable broadband connection.

Refer to the section Using Patches for more detail.

Debugging

Action, or method breakpoints

Sometimes you may want to evaluate something at a particular line of code without actually making a stop. You can do that

by using a Method breakpoint. To create one, just click the gutter holding .

Alt+Enter

Shift

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IntelliJ IDEA 2017.2 帮助文档指南

( IntelliJ IDEA 简体中文专题教程（电子版-2015）.CHM

mybatis-plugin 3.21 你懂的版本（idea 2017.2 已经不能安装低于3.0版本的了）

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