大家好,请帮小弟看看这个变量的值要怎么样获得呀
现在在数据库里有这样一条记录,字段“ZhiDuan1”的值是“TianQi”.
下一条记录,字段“ZhiDuan1”的值是“XinQing”.
$rs->ZhiDuan1;
在网页里声明了一个$TianQi的变量,并赋值为“晴天”,
一个$XinQing的变量,并赋值为“开心”,
现在我并不想直接用
echo $TianQi;
在页面上显示出“晴天”,
我想通过“$rs->ZhiDuan1”来显示出“晴天”来,
这样方便$rs->ZhiDuan1的下一条记录值变成“XinQing”时能显示出“开心”来。
请问要如何写代码呀?
------解决方案--------------------
先将数据写入数据库,再读取出来。是这个意思吧?
------解决方案--------------------
有字段就从数据库取出来用就行了
无论通过$rs->ZhiDuan1还是echo $var
还不都是一样的,只要这两个变量都来自数据库的话
除了你以上说的,晴天,你还得有别的条件限制,例如
最新的天气情况,可以用id最大的那个
或是3号的天气,条件是timeFlag=3类似这样
要不然取出来一个数组谁知用哪一个,说不定有多个叫晴天的
------解决方案--------------------
echo ${$rs->ZhiDuan1};

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