Detailed explanation of Spring Boot hot deployment Devtools

1 pom.xml file

Note: The hot deployment function is available starting from spring-boot-1.3

<!--添加依赖-->
<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-devtools</artifactId>
  <!-- optional=true,依赖不会传递，该项目依赖devtools；之后依赖myboot项目的项目如果想要使用devtools，需要重新引入 -->
  <optional>true</optional>
</dependency>

Note: Add spring-boot-maven-plugin to the project, which is mainly used in eclipse. There is no need to add this configuration to the idea.

<build>
  <plugins>
    <plugin>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-maven-plugin</artifactId>
      <configuration>
        <fork>true</fork>
      </configuration>
    </plugin>
  </plugins>
</build>

2 Change the idea configuration

　1) “File” -> “Settings” -> “ Build,Execution,Deplyment" -> "Compiler", select "Build project automatically".

　2) Key combination: "Shift Ctrl Alt /", select "Registry", check "compiler.automake.allow.when.app.running".

3 Chrome disables cache

F12 or "Ctrl Shift I", open the developer tools, select "Disable Cache (while DevTools is open)" under the "Network" tab

Recommended tutorial: "Java Tutorial"

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