//判断ip地址的合法性 function checkIP(value){ var exp=/^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/; var reg = value.match(exp); if(reg==null) { alert("开始的IP地址不合法!&q
c#百度IP定位API使用方法 1.先建立一个收集信息的实体类 IPModel.cs: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Model { public class IpModel { [Serializable] public class AddressForQueryIPFrom