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thinkphp判断是不是有数据

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Release: 2016-06-13 13:17:25
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thinkphp判断是否有数据

可以使用empty标签判断模板变量是否为空,

empty标签和notempty标签
闭合 非闭合标签
属性 name(必须):变量名
配合 可以结合else标签一起使用
用法:
  1.  name="name">name为空值

如果判断没有赋值,可以使用:
  1.  name="name">name不为空

可以把上面两个标签合并成为:
  1.  name="name">name为空 /> name不为空


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