java – Spring Bean自动装配错误

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@H_404_1@我正在尝试在我的应用程序中实现电子邮件功能,但我一直在努力

@H_404_1@

No matching bean of type [org.springframework.mail.javamail.JavaMailSenderImpl] found for dependency:  expected at least 1 bean which qualifies as autowire candidate for this dependency.
@H_404_1@谁能指出我做错了什么?

@H_404_1@bean的xml配置是:

@H_404_1@

diobjectfactorybean">
    
@H_404_1@EmailServiceImpl类:

@H_404_1@

@Service
public class EmailServiceImpl implements EmailService {

    @Autowired
    private JavaMailSenderImpl emailSender; 

    //more code..
}
最佳答案
对于一个编码如下的电子邮件服务类,我正在努力解决这个问题:

@H_404_1@

@Service("emailService")
public class EmailService {
  @Autowired private JavaMailSenderImpl mailSender;
  ...
  public void send(...) {
    // send logic
  }
}
@H_404_1@我在阅读有关相关主题的同时阅读了一个解决方案.关键点在于JavaMailSender接口在applicationContext.xml中定义为Spring JavaMailSenderImpl类.

@H_404_1@步骤1:修改应用程序上下文文件以包含以下bean定义:

@H_404_1@

@H_404_1@第2步:电子邮件服务类被修改为:

@H_404_1@

@Service("emailService")
public class EmailService {
  @Autowired private JavaMailSender mailSender;   // Observe the change in the type
  ...
@H_404_1@瞧!春天很开心.我想听听原始错误的正确解释.

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