WPF调用Echart，通过JS与WPF数据交换

var placeList = [ {name:'海门', geoCoord:[121.15, 31.89]}, {name:'鄂尔多斯', geoCoord:[109.781327, 39.608266]}, {name:'招远', geoCoord:[120.38, 37.35]}, {name:'舟山', geoCoord:[122.207216, 29.985295]}, {name:'齐齐哈尔', geoCoord:[123.97, 47.33]}, {name:'盐城', geoCoord:[120.13, 33.38]}, {name:'赤峰', geoCoord:[118.87, 42.28]}, {name:'青岛', geoCoord:[120.33, 36.07]}, {name:'乳山', geoCoord:[121.52, 36.89]}, {name:'金昌', geoCoord:[102.188043, 38.520089]}, {name:'泉州', geoCoord:[118.58, 24.93]}, {name:'莱西', geoCoord:[120.53, 36.86]}, {name:'日照', geoCoord:[119.46, 35.42]}, {name:'胶南', geoCoord:[119.97, 35.88]}, {name:'南通', geoCoord:[121.05, 32.08]}, {name:'拉萨', geoCoord:[91.11, 29.97]}, {name:'云浮', geoCoord:[112.02, 22.93]}, {name:'梅州', geoCoord:[116.1, 24.55]}, {name:'文登', geoCoord:[122.05, 37.2]}, {name:'上海', geoCoord:[121.48, 31.22]}, {name:'攀枝花', geoCoord:[101.718637, 26.582347]}, {name:'威海', geoCoord:[122.1, 37.5]}, {name:'承德', geoCoord:[117.93, 40.97]}, {name:'厦门', geoCoord:[118.1, 24.46]}, {name:'汕尾', geoCoord:[115.375279, 22.786211]}, {name:'潮州', geoCoord:[116.63, 23.68]}, {name:'丹东', geoCoord:[124.37, 40.13]}, {name:'太仓', geoCoord:[121.1, 31.45]}, {name:'曲靖', geoCoord:[103.79, 25.51]}, {name:'烟台', geoCoord:[121.39, 37.52]}, {name:'福州', geoCoord:[119.3, 26.08]}, {name:'瓦房店', geoCoord:[121.979603, 39.627114]}, {name:'即墨', geoCoord:[120.45, 36.38]}, {name:'抚顺', geoCoord:[123.97, 41.97]}, {name:'玉溪', geoCoord:[102.52, 24.35]}, {name:'张家口', geoCoord:[114.87, 40.82]}, {name:'阳泉', geoCoord:[113.57, 37.85]}, {name:'莱州', geoCoord:[119.942327, 37.177017]}, {name:'湖州', geoCoord:[120.1, 30.86]}, {name:'汕头', geoCoord:[116.69, 23.39]}, {name:'昆山', geoCoord:[120.95, 31.39]}, {name:'宁波', geoCoord:[121.56, 29.86]}, {name:'湛江', geoCoord:[110.359377, 21.270708]}, {name:'揭阳', geoCoord:[116.35, 23.55]}, {name:'荣成', geoCoord:[122.41, 37.16]}, {name:'连云港', geoCoord:[119.16, 34.59]}, {name:'葫芦岛', geoCoord:[120.836932, 40.711052]}, {name:'常熟', geoCoord:[120.74, 31.64]}, {name:'东莞', geoCoord:[113.75, 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{name:'佛山', geoCoord:[113.11, 23.05]}, {name:'海口', geoCoord:[110.35, 20.02]}, {name:'江门', geoCoord:[113.06, 22.61]}, {name:'章丘', geoCoord:[117.53, 36.72]}, {name:'肇庆', geoCoord:[112.44, 23.05]}, {name:'大连', geoCoord:[121.62, 38.92]}, {name:'临汾', geoCoord:[111.5, 36.08]}, {name:'吴江', geoCoord:[120.63, 31.16]}, {name:'石嘴山', geoCoord:[106.39, 39.04]}, {name:'沈阳', geoCoord:[123.38, 41.8]}, {name:'苏州', geoCoord:[120.62, 31.32]}, {name:'茂名', geoCoord:[110.88, 21.68]}, {name:'嘉兴', geoCoord:[120.76, 30.77]}, {name:'长春', geoCoord:[125.35, 43.88]}, {name:'胶州', geoCoord:[120.03336, 36.264622]}, {name:'银川', geoCoord:[106.27, 38.47]}, {name:'张家港', geoCoord:[120.555821, 31.875428]}, {name:'三门峡', geoCoord:[111.19, 34.76]}, {name:'锦州', geoCoord:[121.15, 41.13]}, {name:'南昌', geoCoord:[115.89, 28.68]}, {name:'柳州', geoCoord:[109.4, 24.33]}, {name:'三亚', geoCoord:[109.511909, 18.252847]}, {name:'自贡', geoCoord:[104.778442, 29.33903]}, {name:'吉林', geoCoord:[126.57, 43.87]}, {name:'阳江', geoCoord:[111.95, 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{name:'无锡', geoCoord:[120.29, 31.59]}, {name:'本溪', geoCoord:[123.73, 41.3]}, {name:'克拉玛依', geoCoord:[84.77, 45.59]}, {name:'渭南', geoCoord:[109.5, 34.52]}, {name:'马鞍山', geoCoord:[118.48, 31.56]}, {name:'宝鸡', geoCoord:[107.15, 34.38]}, {name:'焦作', geoCoord:[113.21, 35.24]}, {name:'句容', geoCoord:[119.16, 31.95]}, {name:'北京', geoCoord:[116.46, 39.92]}, {name:'徐州', geoCoord:[117.2, 34.26]}, {name:'衡水', geoCoord:[115.72, 37.72]}, {name:'包头', geoCoord:[110, 40.58]}, {name:'绵阳', geoCoord:[104.73, 31.48]}, {name:'乌鲁木齐', geoCoord:[87.68, 43.77]}, {name:'枣庄', geoCoord:[117.57, 34.86]}, {name:'杭州', geoCoord:[120.19, 30.26]}, {name:'淄博', geoCoord:[118.05, 36.78]}, {name:'鞍山', geoCoord:[122.85, 41.12]}, {name:'溧阳', geoCoord:[119.48, 31.43]}, {name:'库尔勒', geoCoord:[86.06, 41.68]}, {name:'安阳', geoCoord:[114.35, 36.1]}, {name:'开封', geoCoord:[114.35, 34.79]}, {name:'济南', geoCoord:[117, 36.65]}, {name:'德阳', geoCoord:[104.37, 31.13]}, {name:'温州', geoCoord:[120.65, 28.01]}, {name:'九江', geoCoord:[115.97, 29.71]}, {name:'邯郸', geoCoord:[114.47, 36.6]}, {name:'临安', geoCoord:[119.72, 30.23]}, {name:'兰州', geoCoord:[103.73, 36.03]}, {name:'沧州', geoCoord:[116.83, 38.33]}, {name:'临沂', geoCoord:[118.35, 35.05]}, {name:'南充', geoCoord:[106.110698, 30.837793]}, {name:'天津', geoCoord:[117.2, 39.13]}, {name:'富阳', geoCoord:[119.95, 30.07]}, {name:'泰安', geoCoord:[117.13, 36.18]}, {name:'诸暨', geoCoord:[120.23, 29.71]}, {name:'郑州', geoCoord:[113.65, 34.76]}, {name:'哈尔滨', geoCoord:[126.63, 45.75]}, {name:'聊城', geoCoord:[115.97, 36.45]}, {name:'芜湖', geoCoord:[118.38, 31.33]}, {name:'唐山', geoCoord:[118.02, 39.63]}, {name:'平顶山', geoCoord:[113.29, 33.75]}, {name:'邢台', geoCoord:[114.48, 37.05]}, {name:'德州', geoCoord:[116.29, 37.45]}, {name:'济宁', geoCoord:[116.59, 35.38]}, {name:'荆州', geoCoord:[112.239741, 30.335165]}, {