import com.github.pagehelper.PageHelper;

public void test()
    {
        // 设置分页(第一页,100条)
        PageHelper.startPage(1, 100);
        // select * from product where id > 12274  数据库中有5000条
        List<Integer> productIdList = productManageMapper.getProductList(12274);
        // productIdList.size() = 100
        System.out.println("productIdList.size() = " + productIdList.size());
    }