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这段代码为啥不能输出值？求教大神

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2016-06-13 10:44:57701browse

这段代码为什么不能输出值？求教大神！
这段代码为什么不能输出materialname里的值？求教大神！

PHP code
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------解决方案--------------------
你的button都没在提交表单里
------解决方案--------------------
BUTTON1 得在form标签内！
------解决方案--------------------
你的button都没在提交表单里
------解决方案--------------------
把



移到from标签里面试一下
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