数据库配置读取

src/main/java/com/example/springdemo/SpringDemoApplication.java

@@ -5,10 +5,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 
 @SpringBootApplication
 public class SpringDemoApplication {
-
 	public static void main(String[] args) {
-
 		SpringApplication.run(SpringDemoApplication.class, args);
 	}
-
 }

src/main/java/com/example/springdemo/config/DataBaseProperties.java

@@ -1,21 +1,15 @@
 package com.example.springdemo.config;
 
 import lombok.Data;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.stereotype.Component;
 
 @Data
 @Component
-@ConfigurationProperties(prefix = "business.security")
+@ConfigurationProperties(prefix = "spring.datasource")
 public class DataBaseProperties {
-
-    private String dbUrl;
-
-    //@Value("${db.username}")
-    private String username ;
-
-    //@Value("${db.password}")
-    private String password ;
+    private String url;
+    private String username;
+    private String password;
 }