微信小程序源码 实现 城市切换 demo 根据城市首字母排序城市 选择城市 源码下载

var cityObj = [{ "id": "35", "provincecode": "150000", "city": "\u963f\u62c9\u5584\u76df", "code": "152900", "initial": "A" }, { "id": "38", "provincecode": "210000", "city": "\u978d\u5c71\u5e02", "code": "210300", "initial": "A" }, { "id": "105", "provincecode": "340000", "city": "\u5b89\u5e86\u5e02", "code": "340800", "initial": "A" }, { "id": "156", "provincecode": "410000", "city": "\u5b89\u9633\u5e02", "code": "410500", "initial": "A" }, { "id": "256", "provincecode": "510000", "city": "\u963f\u575d\u85cf\u65cf\u7f8c\u65cf\u81ea\u6cbb\u5dde", "code": "513200", "initial": "A" }, { "id": "262", "provincecode": "520000", "city": "\u5b89\u987a\u5e02", "code": "520400", "initial": "A" }, { "id": "289", "provincecode": "540000", "city": "\u963f\u91cc\u5730\u533a", "code": "542500", "initial": "A" }, { "id": "299", "provincecode": "610000", "city": "\u5b89\u5eb7\u5e02", "code": "610900", "initial": "A" }, { "id": "335", "provincecode": "650000", "city": "\u963f\u514b\u82cf\u5730\u533a", "code": "652900", "initial": "A" }, { "id": "341", "provincecode": "650000", "city": "\u963f\u52d2\u6cf0\u5730\u533a", "code": "654300", "initial": "A" }, { "id": "1", "provincecode": "110000", "city": "\u5317\u4eac\u5e02", "code": "110100", "initial": "B" }, { "id": "7", "provincecode": "130000", "city": "\u4fdd\u5b9a\u5e02", "code": "130600", "initial": "B" }, { "id": "25", "provincecode": "150000", "city": "\u5305\u5934\u5e02", "code": "150200", "initial": "B" }, { "id": "31", "provincecode": "150000", "city": "\u5df4\u5f66\u6dd6\u5c14\u5e02", "code": "150800", "initial": "B" }, { "id": "40", "provincecode": "210000", "city": "\u672c\u6eaa\u5e02", "code": "210500", "initial": "B" }, { "id": "55", "provincecode": "220000", "city": "\u767d\u5c71\u5e02", "code": "220600", "initial": "B" }, { "id": "57", "provincecode": "220000", "city": "\u767d\u57ce\u5e02", "code": "220800", "initial": "B" }, { "id": "100", "provincecode": "340000", "city": "\u868c\u57e0\u5e02", "code": "340300", "initial": "B" }, { "id": "150", "provincecode": "370000", "city": "\u6ee8\u5dde\u5e02", "code": "371600", "initial": "B" }, { "id": "222", "provincecode": "450000", "city": "\u5317\u6d77\u5e02", "code": "450500", "initial": "B" }, { "id": "227", "provincecode": "450000", "city": "\u767e\u8272\u5e02", "code": "451000", "initial": "B" }, { "id": "254", "provincecode": "510000", "city": "\u5df4\u4e2d\u5e02", "code": "511900", "initial": "B" }, { "id": "265", "provincecode": "520000", "city": "\u6bd5\u8282\u5730\u533a", "code": "522400", "initial": "B" }, { "id": "271", "provincecode": "530000", "city": "\u4fdd\u5c71\u5e02", "code": "530500", "initial": "B" }, { "id": "293", "provincecode": "610000", "city": "\u5b9d\u9e21\u5e02", "code": "610300", "initial": "B" }, { "id": "304", "provincecode": "620000", "city": "\u767d\u94f6\u5e02", "code": "620400", "initial": "B" }, { "id": "333", "provincecode": "650000", "city": "\u535a\u5c14\u5854\u62c9\u8499\u53e4\u81ea\u6cbb\u5dde", "code": "652700", "initial": "B" }, { "id": "334", "provincecode": "650000", "city": "\u5df4\u97f3\u90ed\u695e\u8499\u53e4\u81ea\u6cbb\u5dde", "code": "652800", "initial": "B" }, { "id": "9", "provincecode": "130000", "city": "\u627f\u5fb7\u5e02", "code": "130800", "initial": "C" }, { "id": "10", "provincecode": "130000", "city": "\u6ca7\u5dde\u5e02", "code": "130900", "initial": "C" }, { "id": "16", "provincecode": "140000", "city": "\u957f\u6cbb\u5e02", "code": "140400", "initial": "C" }, { "id": "27", "provincecode": "150000", "city": "\u8d64\u5cf0\u5e02", "code": "150400", "initial": "C" }, { "id": "48", "provincecode": "210000", "city": "\u671d\u9633\u5e02", "code": "211300", "initial": "C" }, { "id": "50", "provincecode": "220000", "city": "\u957f\u6625\u5e02", "code": "220100", "initial": "C" }, { "id": "77", "provincecode": "320000", "city": "\u5e38\u5dde\u5e02", "code": "320400", "initial": "C" }, { "id": "107", "provincecode": "340000", "city": "\u6ec1\u5dde\u5e02", "code": "341100", "initial": "C" }, { "id": "110", "provincecode": "340000", "city": "\u5de2\u6e56\u5e02", "code": "341400", "initial": "C" }, { "id": "113", "provincecode": "340000", "city": "\u6c60\u5dde\u5e02", "code": "341700", "initial": "C" }, { "id": "183", "provincecode": "430000", "city": "\u957f\u6c99\u5e02", "code": "430100", "initial": "C" }, { "id": "189", "provincecode": "430000", "city": "\u5e38\u5fb7\u5e02", "code": "430700", "initial": "C" }, { "id": "192", "provincecode": "430000", "city": "\u90f4\u5dde\u5e02", "code": "431000", "initial": "C" }, { "id": "215", "provincecode": "440000", "city": "\u6f6e\u5dde\u5e02", "code": "445100", "initial": "C" }, { "id": "231", "provincecode": "450000", "city": "\u5d07\u5de6\u5e02", "code": "451400", "initial": "C" }, { "id": "238", "provincecode": "510000", "city": "\u6210\u90fd\u5e02", "code": "510100", "initial": "C" }, { "id": "276", "provincecode": "530000", "city": "\u695a\u96c4\u5f5d\u65cf\u81ea\u6cbb\u5dde", "code": "532300", "initial": "C" }, { "id": "285", "provincecode": "540000", "city": "\u660c\u90fd\u5730\u533a", "code": "542100", "initial": "C" }, { "id": "332", "provincecode": "650000", "city": "\u660c\u5409\u56de\u65cf\u81ea\u6cbb\u5dde", "code": "652300", "initial": "C" }, { "id": "14", "provincecode": "140000", "city": "\u5927\u540c\u5e02", "code": "140200", "initial": "D" }, { "id": "37", "provincecode": "210000", "city": "\u5927\u8fde\u5e02", "code": "210200", "initial": "D" }, { "id": "41", "provincecode": "210000", "city": "\u4e39\u4e1c\u5e02", "code": "210600", "initial": "D" }, { "id": "64", "provincecode": "230000", "city": "\u5927\u5e86\u5e02", "code": "230600", "initial": "D" }, { "id": "71", "provincecode": "230000", "city": "\u5927\u5174\u5b89\u5cad\u5730\u533a", "code": "232700", "initial": "D" }, { "id": "139", "provincecode": "370000", "city": "\u4e1c\u8425\u5e02", "code": "370500", "initial": "D" }, { "id": "148", "provincecode": "370000", "city": "\u5fb7\u5dde\u5e02", "code": "371400", "initial": "D" }, { "id": "213", "provincecode": "440000", "city": "\u4e1c\u839e\u5e02", "code": "441900", "initial": "D" }, { "id": "242", "provincecode": "510000", "city": "\u5fb7\u9633\u5e02", "code": "510600", "initial": "D" }, { "id": "252", "provincecode": "510000", "city": "\u8fbe\u5dde\u5e02", "code": "511700", "initial": "D" }, { "id": "280", "provincecode": "530000", "city": "\u5927\u7406\u767d\u65cf\u81ea\u6cbb\u5dde", "code": "532900", "initial": "D" }, { "id": "281", "provincecode": "530000", "city": "\u5fb7\u5b8f\u50a3\u65cf\u666f\u9887\u65cf\u81ea\u6cbb\u5dde", "code": "533100", "initial": "D" }, { "id": "283", "provincecode": "530000", "city": "\u8fea\u5e86\u85cf\u65cf\u81ea\u6cbb\u5dde", "code": "533400", "initial": "D" }, { "id": "311", "provincecode": "620000", "city": "\u5b9a\u897f\u5e02", "code": "621100", "initial": "D" }, { "id": "29", "provincecode": "150000", "city": "\u9102\u5c14\u591a\u65af\u5e02", "code": "150600", "initial": "E" }, { "id": "174", "provincecode": "420000", "city": "\u9102\u5dde\u5e02", "code": "420700", "initial": "E" }, { "id": "181", "provincecode": "420000", "city": "\u6069\u65bd\u571f\u5bb6\u65cf\u82d7\u65cf\u81ea\u6cbb\u5dde", "code": "422800", "initial": "E" }, { "id": "39", "provincecode": "210000", "city": "\u629a\u987a\u5e02", "code": "210400", "initial": "F" }, { "id": "44", "provincecode": "210000", "city": "\u961c\u65b0\u5e02", "code": "210900", "initial": "F" }, { "id": "108", "provincecode": "340000", "city": "\u961c\u9633\u5e02", "code": "341200", "initial": "F" }, { "id": "115", "provincecode": "350000", "city": "\u798f\u5dde\u5e02", "code": "350100", "initial": "F" }, { "id": "133", "provincecode": "360000", "city": "\u629a\u5dde\u5e02", "code": "361000", "initial": "F" }, { "id": "202", "provincecode": "440000", "city": "\u4f5b\u5c71\u5e02", "code": "440600", "initial": "F" }, { "id": "223", "provincecode": "450000", "city": "\u9632\u57ce\u6e2f\u5e02", "code": "450600", "initial": "F" }, { "id": "130", "provincecode": "