Java tutorial
/* * Copyright (C) 2012 yueyueniao * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package zjut.soft.finalwork.fragment; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpGet; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.jsoup.select.Elements; import zjut.soft.finalwork.R; import zjut.soft.finalwork.beans.LevelTest; import zjut.soft.finalwork.core.YCApplication; import zjut.soft.finalwork.util.Constant; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; public class PageFragment1 extends Fragment { private TextView tv; private List<LevelTest> levelTest; private Handler mHandler; private StringBuilder info; public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.page1, null); tv = (TextView) view.findViewById(R.id.page1_textview); mHandler = new Handler(); return view; } public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); } public void showLevelResult() { new Thread(new Runnable() { @Override public void run() { try { HttpGet get = new HttpGet(((YCApplication) getActivity().getApplication()).get("selectedIp") + Constant.levelQuery); YCApplication app = (YCApplication) getActivity().getApplicationContext(); HttpResponse response = app.getClient().execute(get); HttpEntity entity = response.getEntity(); BufferedReader br = new BufferedReader( new InputStreamReader(entity.getContent(), Constant.ENCODING)); StringBuilder sb = new StringBuilder(); String temp = null; while ((temp = br.readLine()) != null) { sb.append(temp); } Document doc = Jsoup.parse(sb.toString()); Elements tables = doc.select("#DJKCJ"); if (tables.size() > 0) { Element table = tables.get(0); Elements trs = table.select("tr"); levelTest = new ArrayList<LevelTest>(); info = new StringBuilder(); if (trs.size() > 1) { for (int i = 1; i < trs.size(); i++) { LevelTest test = new LevelTest(); Element tr = trs.get(i); Elements tds = tr.select("td"); String name = tds.get(0).select("span").get(0).html(); String grade = tds.get(1).select("span").get(0).html(); String date = tds.get(2).select("span").get(0).html(); System.out.println(name + "," + grade + "," + date); info.append(name + "," + grade + "," + date + "\n"); test.setName(name); test.setGrade(grade); test.setDate(date); levelTest.add(test); } } } mHandler.post(new Runnable() { @Override public void run() { tv.setText(info.toString()); } }); } catch (Exception e) { e.printStackTrace(); } } }).start(); } }