比如我这个,一开始就执行了判断,但没有值,我想点击计算之后才执行判断.
回复内容:
比如我这个,一开始就执行了判断,但没有值,我想点击计算之后才执行判断.
开始计算应该是POST动作
<code class="lang-php">if(isset($_POST['xx'])) {
# 执行计算任务
}
</code>
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