VBScript中的数学函数

variablename = Mathematical_function_Name(Expression)

数学函数帮助我们评估给定输入数字的数学和三角函数。

序号	函数及描述
1	Int 一个函数，返回给定数字的整数部分
2	Fix 一个函数，返回给定数字的整数部分
3	Log 一个函数，返回给定数字的自然对数。不允许负数
4	Oct 一个函数，返回给定百分比的八进制值
5	Hex 一个函数，返回给定数字的十六进制值
6	Rnd 一个函数，返回 0 到 1 之间的随机数
7	Sgn 一个函数，返回与指定数字的符号相对应的数字
8	Sqr 一个函数，返回给定数字的平方根。不允许负数
9	Abs 一个函数，返回给定数字的绝对值
10	Exp 一个函数，返回 e 的指定次幂的值
11	Sin 一个函数，返回给定数字的正弦值
12	Cos 一个函数，返回给定数字的余弦值
13	Tan 一个函数，返回给定数字的正切值

示例

尝试以下示例以了解 VBScript 中所有内置的数学函数。

<!DOCTYPE html>
<html>
   <body>
      <script language = "vbscript" type = "text/vbscript">

         Dim num1 : num1 = -645.998651
         Dim num2 : num2 = 210

         document.write("int Result of num1 is : " & int(num1))& "<br/>"
         document.write("int Result of num2 is : " & int(num2))& "<br/>"

         document.write("Fix Result of num1 is : " & Fix(num1))& "<br/>"
         document.write("Fix Result of num2 is : " & Fix(num2))& "<br/>"

         document.write("Log Result of num2 is : " & Log(num2))& "<br/>"

         document.write("Oct Result of num1 is : " & Oct(num1))& "<br/>"
         document.write("Oct Result of num2 is : " & Oct(num2))& "<br/>"

         document.write("Hex Result of num1 is : " & Hex(num1))& "<br/>"
         document.write("Hex Result of num2 is : " & Hex(num2))& "<br/>"

         document.write("Rnd Result of num1 is : " & Rnd(num1))& "<br/>"
         document.write("Rnd Result of num2 is : " & Rnd(num2))& "<br/>"

         document.write("Sgn Result of num1 is : " & Sgn(num1))& "<br/>"
         document.write("Sgn Result of num2 is : " & Sgn(num2))& "<br/>"

         document.write("Sqr Result of num2 is : " & Sqr(num2))& "<br/>"

         document.write("Abs Result of num1 is : " & Abs(num1))& "<br/>"
         document.write("Abs Result of num2 is : " & Abs(num2))& "<br/>"

         document.write("Exp Result of num1 is : " & Exp(num1))& "<br/>"
         document.write("Exp Result of num2 is : " & Exp(num2))& "<br/>"

         document.write("Sin Result of num1 is : " & Sin(num1))& "<br/>"
         document.write("Sin Result of num2 is : " & Sin(num2))& "<br/>"

         document.write("Cos Result of num1 is : " & Cos(num1))& "<br/>"
         document.write("Cos Result of num2 is : " & Cos(num2))& "<br/>"

         document.write("Tan Result of num1 is : " & Tan(num1))& "<br/>"
         document.write("Tan Result of num2 is : " & Tan(num2))& "<br/>"
      </script>
   </body>
</html>

执行上述脚本后，输出如下：

int Result of num1 is : -646
int Result of num2 is : 210
Fix Result of num1 is : -645
Fix Result of num2 is : 210
Log Result of num2 is : 5.34710753071747
Oct Result of num1 is : 37777776572
Oct Result of num2 is : 322
Hex Result of num1 is : FFFFFD7A
Hex Result of num2 is : D2
Rnd Result of num1 is : 0.5130115
Rnd Result of num2 is : 0.5615935
Sgn Result of num1 is : -1
Sgn Result of num2 is : 1
Sqr Result of num2 is : 14.4913767461894
Abs Result of num1 is : 645.998651
Abs Result of num2 is : 210
Exp Result of num1 is : 2.79479883633128E-281
Exp Result of num2 is : 1.59162664037792E+91
Sin Result of num1 is : 0.920530264916375
Sin Result of num2 is : 0.467718518342759
Cos Result of num1 is : 0.390671257418547
Cos Result of num2 is : -0.883877473182372
Tan Result of num1 is : 2.35627845006822
Tan Result of num2 is : -0.529166691689464

vbscript_numbers.htm

打印页面

VBScript中的数学函数

语法

示例