在android/java中将String转换为URL
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Convert String to URL in android/java
提问by William He
I have a string. i.e.
我有一个字符串。IE
String urlString = "http://m.nasdaq.com/symbol/"+stock_symbol.getText();
I need to keep it a string because I'm asking the user for the stock symbol then performing the search. I then need to parse the information that is in the html code. So I need to convert my urlString into an URL. I looked on the android developer and saw this:
我需要将它保留为一个字符串，因为我要求用户输入股票代码然后执行搜索。然后我需要解析 html 代码中的信息。所以我需要将我的 urlString 转换为 URL。我查看了 android 开发人员并看到了这一点：
URL(String spec)
Creates a URL object from the String representation.
but this isn't working. Need help I also need help parsing the actual html. You don't need to give me everything, just a very short example would be great.
但这不起作用。需要帮助我还需要帮助解析实际的 html。你不需要给我所有的东西，一个非常简短的例子就很好了。
回答by NineBerry
URLis a class. Simply use newto create a new instance of the class and pass the string as a parameter to the constructor.
URL是一个类。只需用于new创建类的新实例并将字符串作为参数传递给构造函数。
String urlString = "http://m.nasdaq.com/symbol/"+stock_symbol.getText();
URL myURL = new URL(urlString);
回答by Shahbazi
you most create a new Url and input your string in C URL url=new URL(urlString);
你最常创建一个新的 URL 并在 C URL 中输入你的字符串 url=new URL(urlString);
