在地图上画出各省市边界，北京市密云县json内容如下：
{"type": "FeatureCollection",
"features":
[{"type": "Feature","properties":{"id":"110228","name":"密云县","cp":[117.0923,40.5121],"childNum":1},"geometry":{"type":"Polygon","coordinates":[[[116.7586,40.7064],[116.7847,40.7016],[116.7888,40.714],[116.7902,40.727],[116.7819,40.7524],[116.7833,40.7579],[116.7902,40.7517],[116.8025,40.7462],[116.819,40.7504],[116.8272,40.749],[116.8396,40.7607],[116.8341,40.7703],[116.8506,40.7751],[116.8506,40.7785],[116.8671,40.7847],[116.8629,40.7922],[116.8712,40.7943],[116.8739,40.7991],[116.8808,40.7977],[116.8863,40.8012],[116.8959,40.7936],[116.8945,40.7819],[116.8973,40.7778],[116.9234,40.7737],[116.9247,40.7627],[116.9289,40.7565],[116.9234,40.7524],[116.9261,40.7449],[116.9412,40.7401],[116.9453,40.7284],[116.9563,40.7229],[116.9659,40.714],[116.9646,40.7092],[117.0044,40.6968],[117.0195,40.6954],[117.0305,40.692],[117.0497,40.7002],[117.084,40.7023],[117.0964,40.7057],[117.1115,40.7071],[117.117,40.6995],[117.1225,40.7009],[117.1527,40.6968],[117.1664,40.6989],[117.1788,40.6934],[117.1829,40.6975],[117.2063,40.6947],[117.231,40.6844],[117.242,40.6769],[117.2612,40.681],[117.2777,40.6666],[117.2914,40.6597],[117.3257,40.6604],[117.3367,40.6631],[117.3367,40.6666],[117.3463,40.6741],[117.3615,40.6748],[117.3903,40.6837],[117.4068,40.6865],[117.4205,40.6865],[117.4507,40.6796],[117.4644,40.6734],[117.4796,40.6776],[117.4947,40.6748],[117.5056,40.6666],[117.507,40.6549],[117.5029,40.6528],[117.5015,40.6364],[117.4796,40.6357],[117.4713,40.6474],[117.448,40.6419],[117.4301,40.6405],[117.4219,40.6377],[117.4178,40.6185],[117.4136,40.6062],[117.4205,40.5945],[117.4232,40.5821],[117.4301,40.5787],[117.426,40.5732],[117.4205,40.5691],[117.404,40.5739],[117.4013,40.5698],[117.3944,40.567],[117.3889,40.5615],[117.3766,40.5663],[117.3656,40.5759],[117.3505,40.5801],[117.334,40.5766],[117.3106,40.5766],[117.2955,40.567],[117.2667,40.5581],[117.2502,40.5485],[117.253,40.5416],[117.2502,40.5375],[117.2598,40.5196],[117.2475,40.5121],[117.2392,40.5176],[117.2337,40.5135],[117.2131,40.5128],[117.2104,40.5073],[117.209,40.497],[117.2173,40.4949],[117.2282,40.4812],[117.2255,40.4778],[117.2365,40.4688],[117.2351,40.4578],[117.2639,40.4414],[117.2571,40.4297],[117.2502,40.429],[117.2337,40.4166],[117.2324,40.4036],[117.2392,40.3988],[117.2406,40.3947],[117.2365,40.394],[117.2351,40.3892],[117.2282,40.3857],[117.2241,40.3754],[117.2186,40.3775],[117.209,40.3734],[117.1925,40.3761],[117.1774,40.3748],[117.1637,40.3706],[117.1472,40.372],[117.1472,40.3672],[117.139,40.3624],[117.1184,40.3548],[117.1129,40.3542],[117.1005,40.3603],[117.0593,40.3377],[117.0538,40.337],[117.0525,40.3439],[117.0374,40.3473],[117.0236,40.337],[117.0126,40.326],[117.0113,40.3082],[117.0058,40.3027],[117.0003,40.302],[117.0044,40.2958],[116.9728,40.2848],[116.9522,40.2621],[116.9495,40.2567],[116.9659,40.2374],[116.9536,40.2292],[116.9412,40.2237],[116.9316,40.2306],[116.9206,40.223],[116.9028,40.2244],[116.8973,40.2319],[116.8918,40.2347],[116.8932,40.2415],[116.8739,40.2683],[116.8753,40.2759],[116.8712,40.2889],[116.8588,40.2917],[116.8492,40.3102],[116.8341,40.3082],[116.8272,40.2985],[116.8231,40.2862],[116.819,40.2834],[116.808,40.2869],[116.7888,40.2889],[116.7833,40.2793],[116.7696,40.2731],[116.7517,40.2752],[116.7448,40.2793],[116.7352,40.2793],[116.7435,40.2889],[116.7435,40.2944],[116.7668,40.3143],[116.7696,40.3219],[116.7682,40.3253],[116.7517,40.3267],[116.7503,40.3315],[116.7448,40.3349],[116.7448,40.3391],[116.7297,40.3349],[116.7311,40.3391],[116.7229,40.3397],[116.727,40.361],[116.7188,40.361],[116.7188,40.3693],[116.7133,40.3686],[116.7064,40.3761],[116.7119,40.3802],[116.7091,40.3871],[116.7119,40.3919],[116.7215,40.396],[116.7242,40.4036],[116.7242,40.4166],[116.7201,40.4235],[116.7188,40.4297],[116.7201,40.4386],[116.7229,40.4427],[116.7229,40.4475],[116.7078,40.4661],[116.7009,40.4812],[116.6927,40.4881],[116.6982,40.4942],[116.7009,40.508],[116.7119,40.5183],[116.7133,40.5231],[116.7174,40.5251],[116.7091,40.532],[116.7091,40.543],[116.6776,40.5519],[116.6844,40.554],[116.6982,40.5656],[116.7064,40.5643],[116.7146,40.5746],[116.7119,40.5849],[116.7091,40.5904],[116.7105,40.6007],[116.705,40.6027],[116.7078,40.6075],[116.7023,40.6151],[116.7064,40.624],[116.7023,40.6316],[116.7119,40.6425],[116.7119,40.6556],[116.7091,40.6618],[116.7146,40.668],[116.7146,40.6796],[116.7311,40.6913],[116.7476,40.6968],[116.7586,40.7064]]]}}
]}
本文由大剑师兰特分享，展示如何在Vue应用中使用OpenLayers加载中国边界（EPSG:4326）的JSON数据。提供详细配置步骤和源代码，包括JSON文件的获取与放置，以及示例代码展示。
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