在java类获取T的类型

public class MapperUtil<T> {

    @Autowired
    protected Mapper<T> mapper;
    private Class<T> modelClass;

    public MapperUtil() {
        //this.modelClass = modelClass;
        //this.mapper=mapper;
    }

这个类在运行期会出现泛型擦除的状况。 

参考:http://www.iteye.com/problems/88739