SpringBoot hot deployment and start speed optimization

SpringBoot hot deployment

　　SpringBoot default does not support hot deployment, so when code changes every time when the need to restart the server, this is a waste of time, so you can import the following dependency in the pom.xml file inside

1 <dependency> 
2     <groupId>org.springframework.boot</groupId> 
3     <artifactId>spring-boot-devtools</artifactId>
4 </dependency>

SpringBoot start speed optimization

　　If you experience very slow using the following method when spring boot run start:

　　1. Enter the command line to query the current host name hostname

 　　

　　2. Go to the C drive Windows \ System32 \ drivers \ etc found in the host file

 　　

　　3. A copy of the edited elsewhere, add .local after the hostname when editing

　　4. Note: between 127.0.0.1 and local spaces are not two tab

　　Finally, modify the host file back to c to copy discs using the following