摘要:
var x_pi = 3.14159265358979324 * 3000.0 / 180.0; var pi = 3.1415926535897932384626; var a = 6378245.0; var ee = 0.00669342162296594323; //判断是否在国内,不在国内 阅读全文
摘要:
转载:https://blog.csdn.net/tiny_zgb/article/details/90084911 阅读全文