/初始化
byte[] bLat = new byte[4];
//调用
string latStr = this.LngLatByte2Float(bLat).ToString(); //lat
//实现
public float LngLatByte2Float(byte[] b)
{
if (b.Length != 4) return 0;
int d = 0x00;
for (int i = 0; i < b.Length; i++)
{
d |= (b[b.Length - i - 1] << (8 * i));
}
//将int值转换成小数表示的经纬度
d /= 3;
int intPart = d / (60 * 10000);
int divPart = d - intPart * 60 * 10000; //余数部分
float floatPart = ((float)divPart) / 600000;
return intPart + floatPart;
}