<h4>
1.在pom文件中添加依赖
<blockquote>
<code>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
</code>
</blockquote>
2.添加插件依赖
<blockquote>
<code>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<fork>true</fork>
</configuration>
</plugin>
</plugins>
</build>
</code>
</blockquote>
3.idea 设置
“File” -> “Settings” -> “Build,Execution,Deplyment” -> “Compiler”,选中打勾 “Build project automatically” 。
快捷键:“Shift+Ctrl+Alt+/” ,选择 “Registry” ,选中打勾 “compiler.automake.allow.when.app.running” 。
接下来重启项目即可。
</h4>