Idea hot deployment (hot load)

introduction ：

When we're in idea Created in spring boot project , After project operation , Every time you modify the code, you have to restart the project , This is very inconvenient, so we can idea In the middle of Thermal deployment , That is to say Thermal loading , It can automatically help developers restart spring boot project , So that after modifying the code, you can “ real time ” The purpose of seeing the new effect —— be supposed to “ real time ”, In fact, it also takes time

Add hot deployment framework support

If it's a new project , You can add it directly

If it's an existing project , Please refer to ️ preparation — add to lombok To project

Turn on IDEA Automatic compilation of

This step requires setting idea Of the two settings, One is the current project settings, The other is the new project settings, The specific screenshot is as follows ：

Start the hot deployment in operation

Different versions have different configurations , The configuration is divided into 2021.2 Configuration of previous versions and 2021.2 After the version Configuration of .

To configure idea2021.2 Previous version

Click the search button in the figure below

Or just double-click shift key

To configure idea2021.2 Later versions

Start project use debug, instead of run function

Because some use run and debug Can achieve hot deployment , And some can only use debug Can achieve , Therefore, it is recommended to use debug

After the above settings , If you modify the code, you don't have to restart the project frequently , It detects code changes and restarts the project itself