import com.lidroid.xutils.db.annotation.Id; //导入依赖的package包/类
public static String getColumnNameByField(Field field) {
    Column column = field.getAnnotation(Column.class);
    if (column != null && !TextUtils.isEmpty(column.column())) {
        return column.column();
    }

    Id id = field.getAnnotation(Id.class);
    if (id != null && !TextUtils.isEmpty(id.column())) {
        return id.column();
    }

    Foreign foreign = field.getAnnotation(Foreign.class);
    if (foreign != null && !TextUtils.isEmpty(foreign.column())) {
        return foreign.column();
    }

    Finder finder = field.getAnnotation(Finder.class);
    if (finder != null) {
        return field.getName();
    }

    return field.getName();
}
 

import com.lidroid.xutils.db.annotation.Id; //导入依赖的package包/类
private static String getPrimaryKeyFieldName(Class<?> entityType) {
    com.lidroid.xutils.db.table.Id id = getId(entityType);
    return id == null ? null : id.getColumnField().getName();
}
 

import com.lidroid.xutils.db.annotation.Id; //导入依赖的package包/类
private static String getPrimaryKeyColumnName(Class<?> entityType) {
    com.lidroid.xutils.db.table.Id id = getId(entityType);
    return id == null ? null : id.getColumnName();
}