Method orderBy

xutils/src/main/java/org/xutils/db/Selector.java:101–107

排序条件, 默认ASC

(String columnName)

     * 排序条件, 默认ASC
     */
    public Selector<T> orderBy(String columnName) {
        if (orderByList == null) {
            orderByList = new ArrayList<OrderBy>(5);
        }
        orderByList.add(new OrderBy(columnName));
        return this;
    }

    /**
     * 排序条件, 默认ASC