1.下载中国地图的json文件
中国地图json文件 <=访问这个网址，进入下图页面，选择图中标记的按钮，下载成功后的json文件为中文名称，将其改名为china.json
2.将json文件引入项目，展示效果如图
问题：
南海诸岛多占区域较长，视觉效果不好，期望在右下角出现南海诸岛的缩略图
解决方法：
1.显示南海诸岛缩略图
问题原因在于地图注册的时候，China的首字母大写，改成小写，就会出现缩略图
修改之后的效果图：
2.隐藏边界线
json文件中，删掉下面所示代码
删除之后的效果如下：
3.隐藏南洋诸岛
这些岛屿都属于“海南省”，所以找到json文件中的“海南”，将其中的“coordinates”替换成下方代码：
"coordinates": [
[
[
[110.106396, 20.026812],
[110.042339, 19.991384],
[109.997375, 19.980136],
[109.965346, 19.993634],
[109.898825, 19.994196],
[109.855093, 19.984073],
[109.814441, 19.993072],
[109.76147, 19.981261],
[109.712195, 20.017253],
[109.657993, 20.01163],
[109.585312, 19.98801],
[109.526797, 19.943573],
[109.498464, 19.873236],
[109.411001, 19.895184],
[109.349407, 19.898561],
[109.300748, 19.917693],
[109.25948, 19.898561],
[109.255784, 19.867045],
[109.231147, 19.863105],
[109.159082, 19.79048],
[109.169553, 19.736411],
[109.147379, 19.704863],
[109.093792, 19.68965],
[109.048829, 19.619764],
[108.993394, 19.587065],
[108.92872, 19.524468],
[108.855424, 19.469182],
[108.806148, 19.450561],
[108.765496, 19.400894],
[108.694047, 19.387346],
[108.644772, 19.349518],
[108.609048, 19.276661],
[108.591186, 19.141592],
[108.598577, 19.055633],
[108.630606, 19.003017],
[108.637997, 18.924346],
[108.595497, 18.872256],
[108.593033, 18.809386],
[108.65278, 18.740258],
[108.663866, 18.67337],
[108.641077, 18.565614],
[108.644772, 18.486738],
[108.68912, 18.447571],
[108.776583, 18.441894],
[108.881293, 18.416344],
[108.905315, 18.389087],
[108.944735, 18.314107],
[109.006329, 18.323198],
[109.108575, 18.323766],
[109.138756, 18.268081],
[109.17448, 18.260125],
[109.287813, 18.264671],
[109.355566, 18.215221],
[109.441182, 18.199303],
[109.467051, 18.173718],
[109.527413, 18.169169],
[109.584696, 18.143579],
[109.661688, 18.175424],
[109.726362, 18.177698],
[109.749767, 18.193618],
[109.785492, 18.339672],
[109.919767, 18.375457],
[110.022629, 18.360121],
[110.070672, 18.376025],
[110.090382, 18.399309],
[110.116867, 18.506602],
[110.214186, 18.578662],
[110.246215, 18.609859],
[110.329366, 18.642185],
[110.367555, 18.631977],
[110.499366, 18.651824],
[110.499366, 18.751592],
[110.578206, 18.784458],
[110.590525, 18.838841],
[110.585597, 18.88075],
[110.619474, 19.152334],
[110.676756, 19.286264],
[110.706321, 19.320153],
[110.729727, 19.378878],
[110.787009, 19.399765],
[110.844292, 19.449996],
[110.888023, 19.518827],
[110.920668, 19.552668],
[111.008747, 19.60398],
[111.061718, 19.612436],
[111.071573, 19.628784],
[111.043856, 19.763448],
[111.013675, 19.850159],
[110.966248, 20.018377],
[110.940994, 20.028499],
[110.871393, 20.01163],
[110.808567, 20.035808],
[110.778386, 20.068415],
[110.744509, 20.074036],
[110.717408, 20.148778],
[110.687843, 20.163947],
[110.655814, 20.134169],
[110.562191, 20.110006],
[110.526467, 20.07516],
[110.495054, 20.077408],
[110.387265, 20.113378],
[110.318279, 20.108882],
[110.28933, 20.056047],
[110.243135, 20.077408],
[110.144585, 20.074598],
[110.106396, 20.026812]
]
]
]最终修改后的效果
