Tag:Infinite hierarchy

  • Pure jsp creates infinite levels of tree code

    Time:2021-9-15

    It’s not complicated to build a tree, but we usually do two or three layers. Such data usually comes from multiple tables, such as departments and employeesHowever, this self connected table, which has no definite hierarchy, may be infinite multi-levelFor example, a is the superior of B, B is the superior of C, and C […]