本文介绍了在java中获取URL参数并从该URL中提取特定文本的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个网址,我需要从此网址获取v的值。
这是我的网址: http://www.youtube.com/watch?v=_RCIP6OrQrE
I have a URL and I need to get the value of v from this URL.Here is my URL: http://www.youtube.com/watch?v=_RCIP6OrQrE
任何有用且富有成效的帮助都受到高度赞赏..
Any useful and fruitful help is highly appreciated..
推荐答案
我认为最简单的方法之一就是解析 URL.getQuery() as
I think the one of the easiest ways out would be to parse the string returned by URL.getQuery() as
public static Map<String, String> getQueryMap(String query)
{
String[] params = query.split("&");
Map<String, String> map = new HashMap<String, String>();
for (String param : params)
{
String name = param.split("=")[0];
String value = param.split("=")[1];
map.put(name, value);
}
return map;
}
You can use the map returned by this function to retrieve the value keying in the parameter name.
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