Question

@value注解获取属性文件的值怎么转换成int类型

Answer 1

//@PropertySource:读取属性文件@PropertySource(value={"classpath:conf/*.properties"})
@Configurationpublic class ConfigOfLifeCycle {

@Bean public Student student(){ return new Student();
}
}

Answer 2

intValue: 123

@Value("#{${intValue}}")
private Integer intValue;