使用@Value 注解获取配置文件中的值注入到静态变量中

/**
*类上加@Component注解
*/
@Component
public class FileUpload {
	//声明静态变量
	private static String uploadPath;
	//使用set方法注入
	@Value("${uploadPath}")
	public void setUploadPath(String uploadPath) {
		this.uploadPath = uploadPath;
	}
}