SpringBoot-错误-Access denied for user ''@'localhost' (using password: NO)

正确配置：

#数据库配置
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/springboot?useUnicode=true&characterEncoding=utf8&characterSetResults=utf8&useSSL=false
spring.datasource.username=root
spring.datasource.password=123456

关键：用户名与密码并没有“data-”，如果有将报错

SpringBoot-错误-Access denied for user ''@'localhost' (using password: NO)

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