高德，百度，腾讯坐标系转换

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const PI = 3.1415926535897932384626433832795 const x_pi = PI * 3000.0 / 180.0 //百度转高德/腾讯 function latlonFormat1(loaction) {   var lon = loaction.split(",")[0]   var lat = loaction.split(",")[1]   var x = lon - 0.0065;   var y = 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 bdLon = z * Math.cos(theta)   var bdLat = z * Math.sin(theta)   return bdLon + ',' + bdLat } //高德/腾讯转百度 function latlonFormat2(loaction) {   var lon = loaction.split(",")[0]   var lat = loaction.split(",")[1]   var x = lon;   var y = 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 bdLon = z * Math.cos(theta) + 0.0065   var bdLat = z * Math.sin(theta) + 0.006   return bdLon + ',' + bdLat }