案例：ASP.net案例     状态：不可编辑再运行    进入竖版
 运行结果　
AخA
 
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@{var price=25;}
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<html>
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<body>
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if (price>=30)
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    {
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    <p>The price is high.</p>
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    }
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    else if (price>20 && price<30)
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    {
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    <p>The price is OK.</p>
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    }
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    else
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    {
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    <p>The price is low.</p>
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    }
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</body>
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</html>