1.实战：
import java.math.BigDecimal;
/**
* Created by zhangzh on 2017/6/9.
*/
public class BigDecimalTest {
public static void main(String[] args) {
String number = "1.49688845586E+12";
BigDecimal bigDecimal = new BigDecimal(number);
// 转String
System.out.println("string number:" + bigDecimal.toPlainString());
// 转long
System.out.println("long number:" + bigDecimal.longValue());
}
}
2.输出结果:
string number:1496888455860
long number:1496888455860
