AsyncTask超时中断的方法

设计一个访问网路的基类，使用AsyncTask，如何能做到连接服务器超时中断连接？

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HttpClient的话，用

HttpConnectionParams.setConnectionTimeout(httpclient.getParams(), 2000);

如果是URLConnection

conn.setConnectTimeout(int);

建议用URLConnection

http://developer.android.com/reference/org/apache/http/params/HttpConnectionParams.html#setConnectionTimeout%28org.apache.http.params.HttpParams,%20int%29
http://developer.android.com/reference/java/net/URLConnection.html#setConnectTimeout%28int%29