在Spring @Value('#{SPEL})中使用Java类

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter</artifactId>
</dependency>

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

@Component
public class MyClass {
    @Value("#{myBean.property}")
    private String myProperty;

    // 其他代码...
}

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.expression.StandardBeanExpressionResolver;
import org.springframework.expression.spel.support.StandardEvaluationContext;

@Configuration
public class AppConfig {
    @Bean
    public StandardBeanExpressionResolver beanExpressionResolver() {
        return new StandardBeanExpressionResolver();
    }

    @Bean
    public StandardEvaluationContext evaluationContext() {
        return new StandardEvaluationContext();
    }
}