我想把android程序里Jsoup中的元素转换成字符串类型,那样的话我就能减去两个。我不确定如何实现。代码如下:
public class TestStation extends Activity {
String URL = "http://lapi.transitchicago.com/api/1.0/ttarrivals.aspx?key=201412abc85d49b2b83f907f9e329eaa&mapid=40380";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.test_station);
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
Document doc = null;
TextView tv = (TextView) findViewById(R.id.tv);
string ta = ta;
try {
doc = Jsoup.connect(URL).userAgent("Mozilla/5.0 (Macintosh; U; Intel Mac OS X; de-de) AppleWebKit/523.10.3 (KHTML, like Gecko) Version/3.0.4 Safari/523.10").get();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Elements elem = doc.select("eta");
for (Element div : elem)
tv.setText(div.text());
Elements elemn = doc.select("eta"); for (Element div : elem) {
Elements arrT = div.select("arrT");
Elements prdt = div.select("prdt");
SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
Date date = sdf.parse(prdt);
}
给出一个编译错误,说 prdt 不能从一个 Element 转变成一个 string。如何解决这个问题?