百度、echarts根据省市县城市名称获取坐标数据，包含省市县三级，适合只知道城市名称，需要在echarts地图上某个城市渲染数据 "宁波市":[121.5967,29.6466], "舟山市":[122.2559,30.2234], "台州市":[121.1353,28.6688], "金华市":[120.0037,29.1028], "衢州市":[118.6853,28.8666], "绍兴市":[120.564,29.7565], "嘉兴市":[120.9155,30.6354], "湖州市":[119.8608,30.7782], "滨海新区":[ 117.654175 , 39.032845 ], "桥东区":[ 114.502892 , 38.040154 ], "新华区":[ 114.465973 , 38.067142 ], "井陉矿区":[ 114.058182 , 38.069748 ], "裕华区":[ 114.533257 , 38.027695 ], "井陉县":[ 114.144485 , 38.033615 ], "正定县":[ 114.569885 , 38.147835 ], "栾城县":[ 114.654282 , 37.886909 ], "行唐县":[ 114.552734 , 38.437424 ], "灵寿县":[ 114.379463 , 38.306545 ], "高邑县":[ 114.610703 , 37.605713 ], "深泽县":[ 115.200211 , 38.18454 ], "赞皇县":[ 114.387756 , 37.660198 ], "无极县":[ 114.977844 , 38.176376 ], "平山县":[ 114.184143 , 38.259312 ], "元氏县":[ 114.526176 , 37.762512 ],
