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//百度坐标转高德(传入经度、纬度) function bd_decrypt(bd_lng, bd_lat) { var X_PI = Math.PI * 3000.0 / 180.0; var x = bd_lng - 0.0065; var y = bd_lat - 0.006; var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * X_PI); var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * X_PI); var gg_lng = z * Math.cos(theta); var gg_lat = z * Math.sin(theta); return {lng: gg_lng, lat: gg_lat} } //高德坐标转百度(传入经度、纬度) function bd_encrypt(gg_lng, gg_lat) { var X_PI = Math.PI * 3000.0 / 180.0; var x = gg_lng, y = gg_lat; var z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * X_PI); var theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * X_PI); var bd_lng = z * Math.cos(theta) + 0.0065; var bd_lat = z * Math.sin(theta) + 0.006; return { bd_lat: bd_lat, bd_lng: bd_lng }; }