Os efeitos são os seguintes:
<div> <select id = "cityparent"> <pution> Selecione Província </pption> </leclect> <select id = "city"> <pution> Selecione City </pption> </leclect> </div>
//Test data var _json = [ { "areas" : [ { "name" : "Dongcheng District" }, { "name" : "Xicheng District" }, { "name" : "Chongwen District" }, { "name" : "Xuanwu District" }, { "name" : "Changping District" }, { "name" : "Chaoyang District" }, { "name" : "Haidian District" }, { "name" : "Fengtai District" }, { "name" : "Shijingshan District" }, { "name" : "Mentougou District" }, { "name" : "Fangshan District" }, { "name" : "Tongzhou District" }, { "name" : "Tongzhou District" }, { "name" : " "name" : "Shunyi District" }, { "name" : "Daxing District" }, { "name" : "Pinggu District" }, { "name" : "Huairou District" }, { "name" : "Miyun County" }, { "name" : "Yanqing County" } ], "name" : "Beijing City" }, { "areas" : [ { "name" : "Hefei City" }, { "name" : "Chuzhou City" }, { "name" : "Bengbu City" }, { "name" : "Wuhu City" }, { "name" : "Huainan City" }, { "name" : "Huaibei City" }, { "name" : "Ma'anshan City" }, { "name" : "Anqing City" }, { "name" : "Suzhou City" }, { "name" : "Fuyang City" }, { "name" : "Bozhou City" }, { "name" : "Huangshan City" }, { "name" : "Tongling City" }, { "name" : "Xuancheng City" }, { "name" : "Lu'an City" }, { "name" : "Chizhou City" }], "name" : "Anhui Province" }, { "areas" : [ { "name" : "Fuzhou City" }, { "name" : "Xiamen City" }, { "name" : "Ningde City" }, { "name" : "Putian City" }, { "name" : "Quanzhou City" }, { "name" : ">" }, { "name" : "Zhangzhou City" }, { "name" : "Longyan City" }, { "name" : "Sanming City" }, { "name" : "Nanping City" }], "name" : "Fujian Province" }, { "areas" : [ { "name" : "Lanzhou City" }, { "name" : "Linxia Prefeiture"}, {"Nome": "Dingxi City"}, {"Nome": "Pingliang City"}, {"Nome": "Qingyang City"}, {"Nome": "Wuwei City"} {"Nome": "JInChang City", {"{"}, "Nome". "JiUquan City"}, {"Nome": "Jiayuguan City"}, {"Nome": "Tianshui City"}, {"Name": "Longnan City"}, {"Nome": "Nome"; {var citypar = '<pution value = 0 "> Selecione Província </pption>'; $ ('#CityParent'). HTML (CityParent); City .wgyHospital .Select01, .WgyHospital .Select02 {Padding-Left: .3Rem; Right-right: .3rem; Altura: 1.6rem; altura de linha: 1.6rem; borda: 1px sólido #ccc; Text-align: Center;}. Border-left: Nenhum;}O exposto acima é todo o conteúdo da implementação simples (baseada em zepto.js) que o editor trouxe para você. Espero que todos apoiem mais wulin.com ~