ActFramework 接口自动绑定

使用ActFramework 框架时接口自动绑定。

1、定义以下接口:

public interface DataDictionaryService {
    public DataDictionary getDataDictionaryByDictId(String dictId);
}
2、实现该接口

public class DataDictionaryServiceImpl extends BaseService implements DataDictionaryService {
    @Inject
    private DataDictionary.Dao dataDictionaryDao;

    public DataDictionary getDataDictionaryByDictId(String dictId) {
        return dataDictionaryDao.findById(dictId);
    }
}
3、controller层

@Controller
@UrlContext("df")
public class DataDictionaryController extends BaseController {
    @Inject
    private DataDictionaryService dataDictionaryService;

    @GetAction("{dictId}")
    public void getDataDictionaryByDictId(H.Request request, String dictId) {
        Message message = new Message();
        message.setData(dataDictionaryService.getDataDictionaryByDictId(dictId));
        Controller.Util.renderJson(message);
    }
}

备注:发现一个问题,访问路径如果前面加上/会有问题,比如/df会报访问路径不存在,改成df则可以访问。

4、访问

http://127.0.0.1:8080/df/594241bf18834238c57558a9
时报以下错误:

Server Error
 - org.osgl.inject.InjectException: Cannot instantiate interface com.falcon.lianyue.data.dd.service.DataDictionaryService(dataDictionaryService)

5、问题原因:

接口没法注入

6、解决办法:

接口定义时加上@AutoBind注解,在controller层用@Inject注解时接口会自动注入。

@AutoBind
public interface DataDictionaryService {
    public DataDictionary getDataDictionaryByDictId(String dictId);

}
导入@AutoBind

import act.inject.AutoBind;


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