Intelij idea efficient skills (I)

Introduce

Intellij-IDEA Is a very powerful development tool , The configuration of various operations can improve our experience and work efficiency many times . Here are some common settings , For future review . My tool version is Intellij-IDEA-2019.3.4

Show tool boundary window

Setup method : View–>ToolWindows->...

Mouse hover prompt API Information

Setup method : File–>settings–>Editor–>General–> Check Show quick documentation...

The following figure shows the effect , Of course, if you don't want to set the mouse hover display api Information , You can also focus the mouse cursor , Press shortcut key Ctrl+Q Same effect .

Show method separator

Setup method : File–>settings–>Editor->General–>Appearance–> Check Show method separators

The following figure shows the effect :

Ignore case hints

remarks ：idea The default setting for is strictly case sensitive , For example, the input string No prompt String, Inconvenient coding

Setup method : File–>settings–>Editor–>General->Code Completion-> Uncheck the Match case

If it is lower than 2019 edition Of idea, It may not be the setting item above , You can refer to the following figure to set :

Theme Settings

Default theme settings

remarks ： There are black and white styles

Setup method : File–>settings–>Appearance & Behavior–>Appearance–>Theme Option select a theme

Provides three themes : IntelliJ style , Darcula style , high constract style

Comparison of renderings :
IntelliJ The theme
Darcula The theme

high constract The theme

Import other topics

Theme download

IDEA Three edit area themes are provided by default , You can choose as follows .

If you want more theme effects, you need to download the theme package , Here are a few IDEA Theme download website ：

* IDEA Theme Official website : * Portal

* riaway Official website : * Portal

Import method 1

file → import settings → Select the downloaded theme jar file → Press the prompt to confirm → Restart the program
After the restart , The new theme is automatically enabled , If not enabled , You can choose as follows ：

Import the way 2

File–>settings–>Editor–>Color Scheme, Theme setting selection Import Scheme, Then follow the prompts to import the downloaded theme jar.

Uninstall theme

Uninstall the theme plug-in of the editing area , File–>settings–>Editor–>Color Scheme, Select the theme to uninstall →Delete, And then restart IDEA.

Eye protection background settings

If you want to change the background color of the edit page , You can adjust the background color inside the settings .

Setup method : File–>settings–>Editor–>Color Scheme->General->Text->Default text, Background Choose your favorite color .

Automatic guiding package

remarks ： By default, the package needs to be imported manually , For example, we need to import Map class , Then you need to import it manually (Alt+Enter key ), If you don't need to use it , Deleted Map Example , Imported packages also need to be manually deleted , If you set this function, you don't need to do it manually , Automatically help you to automatically import and remove packages .

Setup method : File–>settings–>Editor–>general–>Auto Import–>, As shown in the figure below, check it

Single line shows multiple Tabs

The default is single row Tabs, As shown in the figure below :

Single line shows multiple Tabs Setup method : File–>settings–>Editor–>General -->Editor Tabs, Show tabs in single row Uncheck .

Font settings

remarks ： The default installation starts Idea The font is very small , I'm not used to it , Need to adjust font size and font （ It can be adjusted if necessary ）

Code editing area font

File -> Settings -> Editor -> Font

Console font

File -> Settings -> Editor -> Color Scheme -> Console Font

Left and top menu bar Fonts

File -> Settings -> Appearance & Behavior -> Apearrance , On the hook Use costom font, Select the desired font from the drop-down list .

Use the mouse wheel to adjust the font size in the code editing area

Specific operation ： Hold down Ctrl Key while using the mouse wheel to adjust the font size

Be careful : This setting is only valid for the file currently being edited

Set up ： Click on one by one File -> Stetings -> Editor -> General, On the hook Mouse Control Under column Change font …

The mouse wheel resizes the picture

stay File -> Setting -> Editor -> Images You can set it up under , Choose Zoom image with mouse wheel (Ctrl+Mouse wheel), Pictured

Comment template

Class annotation template

File–>settings–>Editor–>File and Code Templates , Files TAB , choice class, Set the template in the edit box .

Method annotation template

To be added …

Display code horizontally or vertically

Eclipse If you need to compare the code , Just drag Tabs that will do , however idea To set up , Setting mode :

Right mouse click Tabs, choice Split Vertically or Split Horizontally

vertical tabs design sketch :

Shortcut key settings

remarks ： from Eclipse Change to idea code , Many shortcuts are inconsistent , Lead to write efficiency , Now let's change the shortcut keys

Setting mode : File–>Setting–>Keymap, Select the shortcut key habit of the corresponding development tool .

You can also customize the shortcut key , File–>Setting–>Keymap Search requires shortcuts , Then change the shortcut key

Code detection warning level settings

Strongly recommended , Don't turn it off , Don't give up trouble , His tips are all good for you , Help you improve the quality of your code , It's very helpful

View local code history

Quick completion of semicolon

Ctrl+Shift+Enter, You can quickly generate a semicolon at the end of the current line anywhere ";".

Quick search Controller Method

If you have a lot of projects controller, There are a lot of http perhaps resful Method . How to find these methods quickly ？ This is the time ,Ctrl+Alt+Shift+N I can use it .

Quick matching and positioning of braces

When a brace appears {} When the code in is very long , May have filled the entire computer screen , Especially those who work with notebooks , Just throw away the big screen , Sometimes you have to find someone Brace start Corresponding to the other side Braces close , It takes a long time for the mouse to slide , Use the following methods to quickly locate .

location Brace start : ctrl+[

location Braces close : ctrl+]

You can also position the cursor to Braces close , Then double click the mouse , The contents of the whole brace will be selected .

Add

The above configuration information is saved in the system disk IDEA In the installation directory .
C:\Users\18482\.IntelliJIdea2019.3\config
C:\Users\18482\.IntelliJIdea2019.3\system

config : In the initial installation IntelliJ IDEA Sometimes you are asked if you want to import the existing configuration information , This config It's your configuration information , It's convenient to replace the computer and the system , The premise is to save this folder .

system : This folder is IntelliJ IDEA When something unexpected happens , Like blue screen , A sudden power failure caused the project to fail to start , You can try deleting this file , Let the system regenerate a system The file of

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