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树形列表控件用于创建多层树形列表的参数选择面板,该控件构建树形列表时要求用于构建树形列表的字典数据具有明显的父子关系。
依赖这种父子关系,控件即可自动构建出树形选择列表。
在实际数据库中,表示树形组织结构的方法往往不太相同。为了涵盖常见的树形组织表示方式,树形列表控件支持三种树形构建方式。
这三种构建方式为:
两个字段递归
多个字段分组
单字段自动构建
下面会详细介绍这三种构建方式与数据结构之间的对应关系,也即如何根据自己的数据结构选择合适的构建方式来构建树形列表。
type=info
提示
文中使用的示例数据为: