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asp! For Next 循环语句语法与实例

2019-11-02 15:21:31
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For Next循环使用时,你要执行一段代码多次集数。语法如下:
For counter = initial_value to  finite_value [Step increment]
  statements
Next
For语句指定计数器变量及其初步和有限的价值。 Next语句增加了对抗一个变量。可

选的步骤关键字允许增加或减少的值指定计数器变量。

有一个很简单的例子:

<%@ language="vbscript" %>
<%
For i = 0 to 10 Step 2 'use i as a counter
 response.write("The number is " & i & "<br />")
Next
%>

复杂实例

Select ActionSelect AllTry It<%@ language="vbscript" %>
<%
response.write("<h1>Multiplication table</h1>")

历史人物[www.9-39.com/html/person/]
response.write("<table border=2 width=50%")

For i = 1 to 9             'this is the outer loop
   response.write("<tr>")
   response.write("<td>" & i & "</td>")
 
   For j = 2 to 9          'inner loop
        response.write("<td>" & i * j & "</td>")
   Next 'repeat the code and move on to the next value of j 

   response.write("</tr>")
Next 'repeat the code and move on to the next value of i

response.write("</table>")
%>

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