前段时间做项目,需要把全国省市的两个XML文件整合成一个JSON格式的数据,手写的话觉得数据太多了,而且容易出错,于是就想到了用Ajax嵌套的方法来解决,就想平时用Ajax的方法直接嵌套,都会先读出外面Ajax的内容,然后才读取嵌套在Ajax里面的内容,后面经网上查找资料,加个async:false这个Ajax参数就行了,下面是贴代码:
<script type="text/javascript"> $(function () { $.ajax({ type: "get", url: "/XmlData/Provinces.xml", datatype: "xml", success: function (xml) { $("body").append("{"); $(xml).find("Provinces > Province").each(function (i) { $("body").append("{\"PID\":\"" + $(this).attr("ID") + "\",\"ProvinceName\": \"" + $(this).attr("ProvinceName") + "\",\"Citys\":["); //根据省份,请求读取该省的市 GetCitys($(this).attr("ID")); //第二个请求end $("body").append("]},<br/>"); }); } }); }) //第二次请求 function GetCitys(pid) { $.ajax({ type: "get", url: "/XmlData/Cities.xml", datatype: "xml", async: false,//注意!!这个为必要的参数,不然这个会在上面的Ajax请求后才执行 success: function (xml) { $(xml).find("Cities > City[PID=" + pid + "]").each(function (i) { $("body").append("{\"CityID\":\"" + $(this).attr("ID") + "\",\"CityName\":\"" + $(this).attr("CityName") + "\"},"); }); } }); } </script>
记得在前面加上jq库,
下面把得到的全国省市的JSON数据贴出来,希望以后能用到:
{{\"ProvinceID\":\"1\",\"Province\":\"北京市\",\"City\":[{\"CityID\":\"1\",\"CityName\":\"北京市\"}]}, {\"ProvinceID\":\"2\",\"Province\":\"天津市\",\"City\":[{\"CityID\":\"2\",\"CityName\":\"天津市\"}]}, {\"ProvinceID\":\"3\",\"Province\":\"河北省\",\"City\":[{\"CityID\":\"3\",\"CityName\":\"石家庄市\"},{\"CityID\":\"4\",\"CityName\":\"唐山市\"},{\"CityID\":\"5\",\"CityName\":\"秦皇岛市\"},{\"CityID\":\"6\",\"CityName\":\"邯郸市\"},{\"CityID\":\"7\",\"CityName\":\"邢台市\"},{\"CityID\":\"8\",\"CityName\":\"保定市\"},{\"CityID\":\"9\",\"CityName\":\"张家口市\"},{\"CityID\":\"10\",\"CityName\":\"承德市\"},{\"CityID\":\"11\",\"CityName\":\"沧州市\"},{\"CityID\":\"12\",\"CityName\":\"廊坊市\"},{\"CityID\":\"13\",\"CityName\":\"衡水市\"}]}, {\"ProvinceID\":\"4\",\"Province\":\"山西省\",\"City\":[{\"CityID\":\"14\",\"CityName\":\"太原市\"},{\"CityID\":\"15\",\"CityName\":\"大同市\"},{\"CityID\":\"16\",\"CityName\":\"阳泉市\"},{\"CityID\":\"17\",\"CityName\":\"长治市\"},{\"CityID\":\"18\",\"CityName\":\"晋城市\"},{\"CityID\":\"19\",\"CityName\":\"朔州市\"},{\"CityID\":\"20\",\"CityName\":\"晋中市\"},{\"CityID\":\"21\",\"CityName\":\"运城市\"},{\"CityID\":\"22\",\"CityName\":\"忻州市\"},{\"CityID\":\"23\",\"CityName\":\"临汾市\"},{\"CityID\":\"24\",\"CityName\":\"吕梁市\"}]}, {\"ProvinceID\":\"5\",\"Province\":\"内蒙古自治区\",\"City\":[{\"CityID\":\"25\",\"CityName\":\"呼和浩特市\"},{\"CityID\":\"26\",\"CityName\":\"包头市\"},{\"CityID\":\"27\",\"CityName\":\"乌海市\"},{\"CityID\":\"28\",\"CityName\":\"赤峰市\"},{\"CityID\":\"29\",\"CityName\":\"通辽市\"},{\"CityID\":\"30\",\"CityName\":\"鄂尔多斯市\"},{\"CityID\":\"31\",\"CityName\":\"呼伦贝尔市\"},{\"CityID\":\"32\",\"CityName\":\"巴彦淖尔市\"},{\"CityID\":\"33\",\"CityName\":\"乌兰察布市\"},{\"CityID\":\"34\",\"CityName\":\"兴安盟\"},{\"CityID\":\"35\",\"CityName\":\"锡林郭勒盟\"},{\"CityID\":\"36\",\"CityName\":\"阿拉善盟\"}]}, {\"ProvinceID\":\"6\",\"Province\":\"辽宁省\",\"City\":[{\"CityID\":\"37\",\"CityName\":\"沈阳市\"},{\"CityID\":\"38\",\"CityName\":\"大连市\"},{\"CityID\":\"39\",\"CityName\":\"鞍山市\"},{\"CityID\":\"40\",\"CityName\":\"抚顺市\"},{\"CityID\":\"41\",\"CityName\":\"本溪市\"},{\"CityID\":\"42\",\"CityName\":\"丹东市\"},{\"CityID\":\"43\",\"CityName\":\"锦州市\"},{\"CityID\":\"44\",\"CityName\":\"营口市\"},{\"CityID\":\"45\",\"CityName\":\"阜新市\"},{\"CityID\":\"46\",\"CityName\":\"辽阳市\"},{\"CityID\":\"47\",\"CityName\":\"盘锦市\"},{\"CityID\":\"48\",\"CityName\":\"铁岭市\"},{\"CityID\":\"49\",\"CityName\":\"朝阳市\"},{\"CityID\":\"50\",\"CityName\":\"葫芦岛市\"}]}, {\"ProvinceID\":\"7\",\"Province\":\"吉林省\",\"City\":[{\"CityID\":\"51\",\"CityName\":\"长春市\"},{\"CityID\":\"52\",\"CityName\":\"吉林市\"},{\"CityID\":\"53\",\"CityName\":\"四平市\"},{\"CityID\":\"54\",\"CityName\":\"辽源市\"},{\"CityID\":\"55\",\"CityName\":\"通化市\"},{\"CityID\":\"56\",\"CityName\":\"白山市\"},{\"CityID\":\"57\",\"CityName\":\"松原市\"},{\"CityID\":\"58\",\"CityName\":\"白城市\"},{\"CityID\":\"59\",\"CityName\":\"延边朝鲜族自治州\"}]}, {\"ProvinceID\":\"8\",\"Province\":\"黑龙江省\",\"City\":[{\"CityID\":\"60\",\"CityName\":\"哈尔滨市\"},{\"CityID\":\"61\",\"CityName\":\"齐齐哈尔市\"},{\"CityID\":\"62\",\"CityName\":\"鸡西市\"},{\"CityID\":\"63\",\"CityName\":\"鹤岗市\"},{\"CityID\":\"64\",\"CityName\":\"双鸭山市\"},{\"CityID\":\"65\",\"CityName\":\"大庆市\"},{\"CityID\":\"66\",\"CityName\":\"伊春市\"},{\"CityID\":\"67\",\"CityName\":\"佳木斯市\"},{\"CityID\":\"68\",\"CityName\":\"七台河市\"},{\"CityID\":\"69\",\"CityName\":\"牡丹江市\"},{\"CityID\":\"70\",\"CityName\":\"黑河市\"},{\"CityID\":\"71\",\"CityName\":\"绥化市\"},{\"CityID\":\"72\",\"CityName\":\"大兴安岭地区\"}]}, {\"ProvinceID\":\"9\",\"Province\":\"上海市\",\"City\":[{\"CityID\":\"73\",\"CityName\":\"上海市\"}]}, {\"ProvinceID\":\"10\",\"Province\":\"江苏省\",\"City\":[{\"CityID\":\"74\",\"CityName\":\"南京市\"},{\"CityID\":\"75\",\"CityName\":\"无锡市\"},{\"CityID\":\"76\",\"CityName\":\"徐州市\"},{\"CityID\":\"77\",\"CityName\":\"常州市\"},{\"CityID\":\"78\",\"CityName\":\"苏州市\"},{\"CityID\":\"79\",\"CityName\":\"南通市\"},{\"CityID\":\"80\",\"CityName\":\"连云港市\"},{\"CityID\":\"81\",\"CityName\":\"淮安市\"},{\"CityID\":\"82\",\"CityName\":\"盐城市\"},{\"CityID\":\"83\",\"CityName\":\"扬州市\"},{\"CityID\":\"84\",\"CityName\":\"镇江市\"},{\"CityID\":\"85\",\"CityName\":\"泰州市\"},{\"CityID\":\"86\",\"CityName\":\"宿迁市\"}]}, {\"ProvinceID\":\"11\",\"Province\":\"浙江省\",\"City\":[{\"CityID\":\"87\",\"CityName\":\"杭州市\"},{\"CityID\":\"88\",\"CityName\":\"宁波市\"},{\"CityID\":\"89\",\"CityName\":\"温州市\"},{\"CityID\":\"90\",\"CityName\":\"嘉兴市\"},{\"CityID\":\"91\",\"CityName\":\"湖州市\"},{\"CityID\":\"92\",\"CityName\":\"绍兴市\"},{\"CityID\":\"93\",\"CityName\":\"金华市\"},{\"CityID\":\"94\",\"CityName\":\"衢州市\"},{\"CityID\":\"95\",\"CityName\":\"舟山市\"},{\"CityID\":\"96\",\"CityName\":\"台州市\"},{\"CityID\":\"97\",\"CityName\":\"丽水市\"}]}, {\"ProvinceID\":\"12\",\"Province\":\"安徽省\",\"City\":[{\"CityID\":\"98\",\"CityName\":\"合肥市\"},{\"CityID\":\"99\",\"CityName\":\"芜湖市\"},{\"CityID\":\"100\",\"CityName\":\"蚌埠市\"},{\"CityID\":\"101\",\"CityName\":\"淮南市\"},{\"CityID\":\"102\",\"CityName\":\"马鞍山市\"},{\"CityID\":\"103\",\"CityName\":\"淮北市\"},{\"CityID\":\"104\",\"CityName\":\"铜陵市\"},{\"CityID\":\"105\",\"CityName\":\"安庆市\"},{\"CityID\":\"106\",\"CityName\":\"黄山市\"},{\"CityID\":\"107\",\"CityName\":\"滁州市\"},{\"CityID\":\"108\",\"CityName\":\"阜阳市\"},{\"CityID\":\"109\",\"CityName\":\"宿州市\"},{\"CityID\":\"110\",\"CityName\":\"巢湖市\"},{\"CityID\":\"111\",\"CityName\":\"六安市\"},{\"CityID\":\"112\",\"CityName\":\"亳州市\"},{\"CityID\":\"113\",\"CityName\":\"池州市\"},{\"CityID\":\"114\",\"CityName\":\"宣城市\"}]}, {\"ProvinceID\":\"13\",\"Province\":\"福建省\",\"City\":[{\"CityID\":\"115\",\"CityName\":\"福州市\"},{\"CityID\":\"116\",\"CityName\":\"厦门市\"},{\"CityID\":\"117\",\"CityName\":\"莆田市\"},{\"CityID\":\"118\",\"CityName\":\"三明市\"},{\"CityID\":\"119\",\"CityName\":\"泉州市\"},{\"CityID\":\"120\",\"CityName\":\"漳州市\"},{\"CityID\":\"121\",\"CityName\":\"南平市\"},{\"CityID\":\"122\",\"CityName\":\"龙岩市\"},{\"CityID\":\"123\",\"CityName\":\"宁德市\"}]}, {\"ProvinceID\":\"14\",\"Province\":\"江西省\",\"City\":[{\"CityID\":\"124\",\"CityName\":\"南昌市\"},{\"CityID\":\"125\",\"CityName\":\"景德镇市\"},{\"CityID\":\"126\",\"CityName\":\"萍乡市\"},{\"CityID\":\"127\",\"CityName\":\"九江市\"},{\"CityID\":\"128\",\"CityName\":\"新余市\"},{\"CityID\":\"129\",\"CityName\":\"鹰潭市\"},{\"CityID\":\"130\",\"CityName\":\"赣州市\"},{\"CityID\":\"131\",\"CityName\":\"吉安市\"},{\"CityID\":\"132\",\"CityName\":\"宜春市\"},{\"CityID\":\"133\",\"CityName\":\"抚州市\"},{\"CityID\":\"134\",\"CityName\":\"上饶市\"}]}, {\"ProvinceID\":\"15\",\"Province\":\"山东省\",\"City\":[{\"CityID\":\"135\",\"CityName\":\"济南市\"},{\"CityID\":\"136\",\"CityName\":\"青岛市\"},{\"CityID\":\"137\",\"CityName\":\"淄博市\"},{\"CityID\":\"138\",\"CityName\":\"枣庄市\"},{\"CityID\":\"139\",\"CityName\":\"东营市\"},{\"CityID\":\"140\",\"CityName\":\"烟台市\"},{\"CityID\":\"141\",\"CityName\":\"潍坊市\"},{\"CityID\":\"142\",\"CityName\":\"济宁市\"},{\"CityID\":\"143\",\"CityName\":\"泰安市\"},{\"CityID\":\"144\",\"CityName\":\"威海市\"},{\"CityID\":\"145\",\"CityName\":\"日照市\"},{\"CityID\":\"146\",\"CityName\":\"莱芜市\"},{\"CityID\":\"147\",\"CityName\":\"临沂市\"},{\"CityID\":\"148\",\"CityName\":\"德州市\"},{\"CityID\":\"149\",\"CityName\":\"聊城市\"},{\"CityID\":\"150\",\"CityName\":\"滨州市\"},{\"CityID\":\"151\",\"CityName\":\"荷泽市\"}]}, {\"ProvinceID\":\"16\",\"Province\":\"河南省\",\"City\":[{\"CityID\":\"152\",\"CityName\":\"郑州市\"},{\"CityID\":\"153\",\"CityName\":\"开封市\"},{\"CityID\":\"154\",\"CityName\":\"洛阳市\"},{\"CityID\":\"155\",\"CityName\":\"平顶山市\"},{\"CityID\":\"156\",\"CityName\":\"安阳市\"},{\"CityID\":\"157\",\"CityName\":\"鹤壁市\"},{\"CityID\":\"158\",\"CityName\":\"新乡市\"},{\"CityID\":\"159\",\"CityName\":\"焦作市\"},{\"CityID\":\"160\",\"CityName\":\"濮阳市\"},{\"CityID\":\"161\",\"CityName\":\"许昌市\"},{\"CityID\":\"162\",\"CityName\":\"漯河市\"},{\"CityID\":\"163\",\"CityName\":\"三门峡市\"},{\"CityID\":\"164\",\"CityName\":\"南阳市\"},{\"CityID\":\"165\",\"CityName\":\"商丘市\"},{\"CityID\":\"166\",\"CityName\":\"信阳市\"},{\"CityID\":\"167\",\"CityName\":\"周口市\"},{\"CityID\":\"168\",\"CityName\":\"驻马店市\"}]}, {\"ProvinceID\":\"17\",\"Province\":\"湖北省\",\"City\":[{\"CityID\":\"169\",\"CityName\":\"武汉市\"},{\"CityID\":\"170\",\"CityName\":\"黄石市\"},{\"CityID\":\"171\",\"CityName\":\"十堰市\"},{\"CityID\":\"172\",\"CityName\":\"宜昌市\"},{\"CityID\":\"173\",\"CityName\":\"襄樊市\"},{\"CityID\":\"174\",\"CityName\":\"鄂州市\"},{\"CityID\":\"175\",\"CityName\":\"荆门市\"},{\"CityID\":\"176\",\"CityName\":\"孝感市\"},{\"CityID\":\"177\",\"CityName\":\"荆州市\"},{\"CityID\":\"178\",\"CityName\":\"黄冈市\"},{\"CityID\":\"179\",\"CityName\":\"咸宁市\"},{\"CityID\":\"180\",\"CityName\":\"随州市\"},{\"CityID\":\"181\",\"CityName\":\"恩施土家族苗族自治州\"},{\"CityID\":\"182\",\"CityName\":\"神农架\"}]}, {\"ProvinceID\":\"18\",\"Province\":\"湖南省\",\"City\":[{\"CityID\":\"183\",\"CityName\":\"长沙市\"},{\"CityID\":\"184\",\"CityName\":\"株洲市\"},{\"CityID\":\"185\",\"CityName\":\"湘潭市\"},{\"CityID\":\"186\",\"CityName\":\"衡阳市\"},{\"CityID\":\"187\",\"CityName\":\"邵阳市\"},{\"CityID\":\"188\",\"CityName\":\"岳阳市\"},{\"CityID\":\"189\",\"CityName\":\"常德市\"},{\"CityID\":\"190\",\"CityName\":\"张家界市\"},{\"CityID\":\"191\",\"CityName\":\"益阳市\"},{\"CityID\":\"192\",\"CityName\":\"郴州市\"},{\"CityID\":\"193\",\"CityName\":\"永州市\"},{\"CityID\":\"194\",\"CityName\":\"怀化市\"},{\"CityID\":\"195\",\"CityName\":\"娄底市\"},{\"CityID\":\"196\",\"CityName\":\"湘西土家族苗族自治州\"}]}, {\"ProvinceID\":\"19\",\"Province\":\"广东省\",\"City\":[{\"CityID\":\"197\",\"CityName\":\"广州市\"},{\"CityID\":\"198\",\"CityName\":\"韶关市\"},{\"CityID\":\"199\",\"CityName\":\"深圳市\"},{\"CityID\":\"200\",\"CityName\":\"珠海市\"},{\"CityID\":\"201\",\"CityName\":\"汕头市\"},{\"CityID\":\"202\",\"CityName\":\"佛山市\"},{\"CityID\":\"203\",\"CityName\":\"江门市\"},{\"CityID\":\"204\",\"CityName\":\"湛江市\"},{\"CityID\":\"205\",\"CityName\":\"茂名市\"},{\"CityID\":\"206\",\"CityName\":\"肇庆市\"},{\"CityID\":\"207\",\"CityName\":\"惠州市\"},{\"CityID\":\"208\",\"CityName\":\"梅州市\"},{\"CityID\":\"209\",\"CityName\":\"汕尾市\"},{\"CityID\":\"210\",\"CityName\":\"河源市\"},{\"CityID\":\"211\",\"CityName\":\"阳江市\"},{\"CityID\":\"212\",\"CityName\":\"清远市\"},{\"CityID\":\"213\",\"CityName\":\"东莞市\"},{\"CityID\":\"214\",\"CityName\":\"中山市\"},{\"CityID\":\"215\",\"CityName\":\"潮州市\"},{\"CityID\":\"216\",\"CityName\":\"揭阳市\"},{\"CityID\":\"217\",\"CityName\":\"云浮市\"}]}, {\"ProvinceID\":\"20\",\"Province\":\"广西壮族自治区\",\"City\":[{\"CityID\":\"218\",\"CityName\":\"南宁市\"},{\"CityID\":\"219\",\"CityName\":\"柳州市\"},{\"CityID\":\"220\",\"CityName\":\"桂林市\"},{\"CityID\":\"221\",\"CityName\":\"梧州市\"},{\"CityID\":\"222\",\"CityName\":\"北海市\"},{\"CityID\":\"223\",\"CityName\":\"防城港市\"},{\"CityID\":\"224\",\"CityName\":\"钦州市\"},{\"CityID\":\"225\",\"CityName\":\"贵港市\"},{\"CityID\":\"226\",\"CityName\":\"玉林市\"},{\"CityID\":\"227\",\"CityName\":\"百色市\"},{\"CityID\":\"228\",\"CityName\":\"贺州市\"},{\"CityID\":\"229\",\"CityName\":\"河池市\"},{\"CityID\":\"230\",\"CityName\":\"来宾市\"},{\"CityID\":\"231\",\"CityName\":\"崇左市\"}]}, {\"ProvinceID\":\"21\",\"Province\":\"海南省\",\"City\":[{\"CityID\":\"232\",\"CityName\":\"海口市\"},{\"CityID\":\"233\",\"CityName\":\"三亚市\"}]}, {\"ProvinceID\":\"22\",\"Province\":\"重庆市\",\"City\":[{\"CityID\":\"234\",\"CityName\":\"重庆市\"}]}, {\"ProvinceID\":\"23\",\"Province\":\"四川省\",\"City\":[{\"CityID\":\"235\",\"CityName\":\"成都市\"},{\"CityID\":\"236\",\"CityName\":\"自贡市\"},{\"CityID\":\"237\",\"CityName\":\"攀枝花市\"},{\"CityID\":\"238\",\"CityName\":\"泸州市\"},{\"CityID\":\"239\",\"CityName\":\"德阳市\"},{\"CityID\":\"240\",\"CityName\":\"绵阳市\"},{\"CityID\":\"241\",\"CityName\":\"广元市\"},{\"CityID\":\"242\",\"CityName\":\"遂宁市\"},{\"CityID\":\"243\",\"CityName\":\"内江市\"},{\"CityID\":\"244\",\"CityName\":\"乐山市\"},{\"CityID\":\"245\",\"CityName\":\"南充市\"},{\"CityID\":\"246\",\"CityName\":\"眉山市\"},{\"CityID\":\"247\",\"CityName\":\"宜宾市\"},{\"CityID\":\"248\",\"CityName\":\"广安市\"},{\"CityID\":\"249\",\"CityName\":\"达州市\"},{\"CityID\":\"250\",\"CityName\":\"雅安市\"},{\"CityID\":\"251\",\"CityName\":\"巴中市\"},{\"CityID\":\"252\",\"CityName\":\"资阳市\"},{\"CityID\":\"253\",\"CityName\":\"阿坝藏族羌族自治州\"},{\"CityID\":\"254\",\"CityName\":\"甘孜藏族自治州\"},{\"CityID\":\"255\",\"CityName\":\"凉山彝族自治州\"}]}, {\"ProvinceID\":\"24\",\"Province\":\"贵州省\",\"City\":[{\"CityID\":\"256\",\"CityName\":\"贵阳市\"},{\"CityID\":\"257\",\"CityName\":\"六盘水市\"},{\"CityID\":\"258\",\"CityName\":\"遵义市\"},{\"CityID\":\"259\",\"CityName\":\"安顺市\"},{\"CityID\":\"260\",\"CityName\":\"铜仁地区\"},{\"CityID\":\"261\",\"CityName\":\"黔西南布依族苗族自治州\"},{\"CityID\":\"262\",\"CityName\":\"毕节地区\"},{\"CityID\":\"263\",\"CityName\":\"黔东南苗族侗族自治州\"},{\"CityID\":\"264\",\"CityName\":\"黔南布依族苗族自治州\"}]}, {\"ProvinceID\":\"25\",\"Province\":\"云南省\",\"City\":[{\"CityID\":\"265\",\"CityName\":\"昆明市\"},{\"CityID\":\"266\",\"CityName\":\"曲靖市\"},{\"CityID\":\"267\",\"CityName\":\"玉溪市\"},{\"CityID\":\"268\",\"CityName\":\"保山市\"},{\"CityID\":\"269\",\"CityName\":\"昭通市\"},{\"CityID\":\"270\",\"CityName\":\"丽江市\"},{\"CityID\":\"271\",\"CityName\":\"思茅市\"},{\"CityID\":\"272\",\"CityName\":\"临沧市\"},{\"CityID\":\"273\",\"CityName\":\"楚雄彝族自治州\"},{\"CityID\":\"274\",\"CityName\":\"红河哈尼族彝族自治州\"},{\"CityID\":\"275\",\"CityName\":\"文山壮族苗族自治州\"},{\"CityID\":\"276\",\"CityName\":\"西双版纳傣族自治州\"},{\"CityID\":\"277\",\"CityName\":\"大理白族自治州\"},{\"CityID\":\"278\",\"CityName\":\"德宏傣族景颇族自治州\"},{\"CityID\":\"279\",\"CityName\":\"怒江傈僳族自治州\"},{\"CityID\":\"280\",\"CityName\":\"迪庆藏族自治州\"}]}, {\"ProvinceID\":\"26\",\"Province\":\"西藏自治区\",\"City\":[{\"CityID\":\"281\",\"CityName\":\"拉萨市\"},{\"CityID\":\"282\",\"CityName\":\"昌都地区\"},{\"CityID\":\"283\",\"CityName\":\"山南地区\"},{\"CityID\":\"284\",\"CityName\":\"日喀则地区\"},{\"CityID\":\"285\",\"CityName\":\"那曲地区\"},{\"CityID\":\"286\",\"CityName\":\"阿里地区\"},{\"CityID\":\"287\",\"CityName\":\"林芝地区\"}]}, {\"ProvinceID\":\"27\",\"Province\":\"陕西省\",\"City\":[{\"CityID\":\"288\",\"CityName\":\"西安市\"},{\"CityID\":\"289\",\"CityName\":\"铜川市\"},{\"CityID\":\"290\",\"CityName\":\"宝鸡市\"},{\"CityID\":\"291\",\"CityName\":\"咸阳市\"},{\"CityID\":\"292\",\"CityName\":\"渭南市\"},{\"CityID\":\"293\",\"CityName\":\"延安市\"},{\"CityID\":\"294\",\"CityName\":\"汉中市\"},{\"CityID\":\"295\",\"CityName\":\"榆林市\"},{\"CityID\":\"296\",\"CityName\":\"安康市\"},{\"CityID\":\"297\",\"CityName\":\"商洛市\"}]}, {\"ProvinceID\":\"28\",\"Province\":\"甘肃省\",\"City\":[{\"CityID\":\"298\",\"CityName\":\"兰州市\"},{\"CityID\":\"299\",\"CityName\":\"嘉峪关市\"},{\"CityID\":\"300\",\"CityName\":\"金昌市\"},{\"CityID\":\"301\",\"CityName\":\"白银市\"},{\"CityID\":\"302\",\"CityName\":\"天水市\"},{\"CityID\":\"303\",\"CityName\":\"武威市\"},{\"CityID\":\"304\",\"CityName\":\"张掖市\"},{\"CityID\":\"305\",\"CityName\":\"平凉市\"},{\"CityID\":\"306\",\"CityName\":\"酒泉市\"},{\"CityID\":\"307\",\"CityName\":\"庆阳市\"},{\"CityID\":\"308\",\"CityName\":\"定西市\"},{\"CityID\":\"309\",\"CityName\":\"陇南市\"},{\"CityID\":\"310\",\"CityName\":\"临夏回族自治州\"},{\"CityID\":\"311\",\"CityName\":\"甘南藏族自治州\"}]}, 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RTX 5090要首发 性能要翻倍!三星展示GDDR7显存
三星在GTC上展示了专为下一代游戏GPU设计的GDDR7内存。
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据三星表示,GDDR7内存的能效将提高20%,同时工作电压仅为1.1V,低于标准的1.2V。通过采用更新的封装材料和优化的电路设计,使得在高速运行时的发热量降低,GDDR7的热阻比GDDR6降低了70%。