Picker / Select
Tap to open a list of options — city, date, category: choose from what exists instead of typing.
开关行
A settings row with text on the left and a switch on the right — changes apply instantly, no save button.
开关行是二值设置的标准形态:标题说清控制什么,副文案解释开/关的后果,开关即时生效。关掉重要功能(如备份、安全)时要二次确认或给出影响说明。
设置项是明确的开/关二值、且切换无副作用或副作用可即时撤销时。
选项不是二值(低/中/高)时别用开关凑合,用分段控制;需要生效延迟的(重启后生效)要在副文案写明。
配套效果见下方「可用效果」。
The de-facto standard for admin interfaces in China — tables, forms, lists.
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