Working with jQuery - Day 2 - Using ajax
2009-02-27 18:16
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1.使用ajax方法$.post()或$.get()从服务端取得xml数据时,在post或get函数的最后一个type参数不用指定xml,否则将不会调用回调函数。以前在1.31版中没有这个问题,可能是1.26的问题。
2.在回调函数中,从ajax获得的xml文档中提取数据时,对于如下的xml文档:
<Data title="baidu">
<points>
<point val="377" time="14:25" />
<point val="672" time="14:25" />
<point val="49" time="14:25" />
<point val="123" time="14:25" />
<point val="939" time="14:25" />
<point val="178" time="14:25" />
<point val="732" time="14:25" />
<point val="675" time="14:25" />
<point val="868" time="14:25" />
<point val="164" time="14:25" />
</points>
</Data>
要取得Data的title属性,只需要使用$(xml).attr('title')即可,要取得point的val,则需要这么写:$(xml).find('point').each(function(){})。
2.在回调函数中,从ajax获得的xml文档中提取数据时,对于如下的xml文档:
<Data title="baidu">
<points>
<point val="377" time="14:25" />
<point val="672" time="14:25" />
<point val="49" time="14:25" />
<point val="123" time="14:25" />
<point val="939" time="14:25" />
<point val="178" time="14:25" />
<point val="732" time="14:25" />
<point val="675" time="14:25" />
<point val="868" time="14:25" />
<point val="164" time="14:25" />
</points>
</Data>
要取得Data的title属性,只需要使用$(xml).attr('title')即可,要取得point的val,则需要这么写:$(xml).find('point').each(function(){})。
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