Idea2021.1 installation tutorial

Hello everyone , I meet you again , I'm your friend, Quan Jun .

If a worker wants to do a good job, he must sharpen his tools first .

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One 、 download IDEA

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Official download address : https://www.jetbrains.com/zh-cn/idea/download/

Two 、 install IDEA

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notes ： install IDEA We needed to have it on the machine before JDK Environmental Science ！！！

Double click to open the installation ：

3、 ... and 、IDEA Quick start

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Double-click to open IntelliJ IDEA 2021.1.1 x64:

1、 Use IDEA Create a normal javase project .

2、 Use IDEA Create a maven project .

It's going to be slow , Wait a moment .

Next, configure our kitten “TomCat” ：

Kitty's file ： https://pan.baidu.com/s/1Ygak-11Eo4HPhA8Bzy_94w Extraction code : i7nx

find Tomcat Location path ：

Artifact ： It means something module How to pack , One module With Artifacts It can be deployed to the application server ！

ok Start our kitten ：

ok We can successfully visit ！

3、 Shortcut key

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Shift+F6： rename 

Ctrl+F6： Change function signature 

Ctrl+Shift+F6： Change type 

Ctrl+Shift+M： Extract code blocks into methods 

Ctrl+Shift+v： Declare variables automatically 

Ctrl+Alt+t： Fast try catch

Ctrl+Alt+l： formatting code 

Ctrl+F： Find... In the current file 

Alt+F7： Find the use of the current variable , And the list shows 

Ctrl+=： Expand code 

Ctrl±： Shrink code 

Ctrl+Alt+=： Recursive expansion code 

Ctrl+Alt±： Recursive contraction code 

Ctrl+Shift+=： Expand all code 

Ctrl+Shift±： Shrink all code 

Ctrl+Shitft+ down arrow ： Move the code block where the cursor is to move down as a whole 

Ctrl+Shift+ up arrow ： Move the block of code where the cursor is up as a whole 

Ctrl+Alt+Shift+ Left arrow ： Move the element to the left 

Ctrl+Alt+Shift+ Right arrow ： Move the element to the right 

Alt+Shift+ down arrow ： Move the row down 

Alt+Shift+ up arrow ： Move the row up 

Ctrl+R： Replace string 

Ctrl+F12： Look at the class structure , Include properties in the class 、 Method 、 Internal class, etc 

Copy

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