49 lines
1.1 KiB
JavaScript
49 lines
1.1 KiB
JavaScript
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/*
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* 离线地图城市坐标
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* 文本文件必须以UTF-8编码存储，建议用Notepad++编辑
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* 格式:城市名称 经度 纬度
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*/
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var offlinemap_cities = [
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['北京', 116.427265, 39.918698]
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,['上海', 121.472724, 31.239761]
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,['武汉', 114.28398, 30.601327]
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,['成都', 104.070606, 30.59138]
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,['广州', 113.270404, 23.159763]
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,['重庆', 106.595635, 29.619598]
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];
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/* 城市数据映射
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*
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*/
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var offlinemap_cityobj = new Object();
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for(var i=0; i<offlinemap_cities.length; i++){
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offlinemap_cityobj[ offlinemap_cities[i][0] ] = [offlinemap_cities[i][1], offlinemap_cities[i][2]];
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}
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/*
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* 获得城市坐标
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* 城市的坐标必须先存储在map_city.js
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*/
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var i_getCityPoint = function(a) {
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if( a in offlinemap_cityobj ){
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var pt = new BMap.Point(offlinemap_cityobj[a][0], offlinemap_cityobj[a][1]);
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return pt;
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}
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alert('map_city.js中未定义城市坐标:'+ a);
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return false;
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};
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/*
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* 设置地图中心为某个城市
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* 城市的坐标必须先存储在map_city.js
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*/
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var i_setCurrentCity = function(map, a) {
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var pt = i_getCityPoint(a);
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if( pt ){
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map.setCenter( pt );
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return pt;
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}
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return false;
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};
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