我想用php计算两个数字的总和。但.......... [英] I want to calculate the sum of two numbers with php. but..........
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问题描述
我想用php计算两个数字的总和。
但我的代码不能这样做。
有人能帮帮我吗?我是初学者。
< !doctype html >
< html >
< head >
< title > question2 < / title >
< head >
< body < /跨度> < span class =code-keyword>>
<? php
$ num1 = _ $ POST [ num1] ;
$ num2 = _ $ POST [ num2];
$ result = $ num1 + $ num2;
? >
< 表格 action = test.htm 方法 = post name < span class =code-keyword> = myform align = center >
输入数字1:< input type = text name = num1 / >
< br >
输入数字2:< input type = text name < span class =code-keyword> = num2 / >
< br >
< 输入 type = 提交 name = result / >
< < span class =code-leadattribute> / form >
< hr >
< 表 border =' 1' align =' center' >
< td > 数字1 < / td > < td > 计算< / td > < td > number 2 < / td > < td > 结果< span class =code-keyword>< / td >
< tr >
< td >
<? echo < span class =code-summarycomment> $ num1; ? >
< / td >
< td > + < / td >
< td >
<? echo $ num2; ? >
< / td >
< td >
<? echo $ result; ? > < / td >
< / table >
< / body >
< / html >
解决方案
num1 = _
POST [ num1];
num2 = _
I want to calculate the sum of two numbers with php.
But my code can't do that.
Can somebody help me ? I'm a beginner .
<!doctype html>
<html>
<head>
<title>question2</title>
<head>
<body>
<?php
$num1=_$POST["num1"];
$num2=_$POST["num2"];
$result=$num1+$num2;
?>
<form action="test.htm" method="post" name="myform" align="center">
Enter number 1:<input type="text" name="num1" />
<br>
Enter number 2:<input type="text" name="num2" />
<br>
<input type="submit" name="result" />
</form>
<hr>
<table border='1' align='center'>
<td>number 1</td><td>calculate</td><td>number 2</td><td>result</td>
<tr>
<td>
<? echo $num1; ?>
</td>
<td>+</td>
<td>
<? echo $num2; ?>
</td>
<td>
<? echo $result; ?> </td>
</table>
</body>
</html>
解决方案
num1=_
POST["num1"];
num2=_
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