public class CommonParaUtil{
@Autowired
private ParaPropMapper paraPropMapper;
private static CommonParaUtil util; //這個屬性就是類本身
//用@PostConstruct註解在spring加載的同時進行初始化
@PostConstruct
private void init(){
util = this;
util.paraPropMapper = this.paraPropMapper;
}
public static String getPara(String key){
return util.paraPropMapper.getPara(key);
}
}
特殊情況:
當@PostConstruct註解不能使用時,需要手動導包。**
import javax.annotation.PostConstruct;