时间戳以及jsoup应用
以下是测试demo代码，可以下载附件自己测试
package com.example.androidtest;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.ByteArrayBuffer;
import org.apache.http.util.EncodingUtils;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebView;
import android.widget.TextView;
import android.annotation.SuppressLint;
import android.os.Bundle;
public class MainActivity extends ActionBarActivity implements OnClickListener {
private static final String SUDOKU_RANKING_TXT = "http://192.168.66.115:8080/sudoku/ranking.txt";
URL myUrl;
DataInputStream dis;
View main;
private Document doc;
private TextView t1;
@SuppressLint("NewApi")
@Override
public void onClick(View v) {
int i = main.getSystemUiVisibility();
if (i == View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) {
main.setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
} else if (i == View.SYSTEM_UI_FLAG_VISIBLE) {
main.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE);
} else if (i == View.SYSTEM_UI_FLAG_LOW_PROFILE) {
main.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
main = LayoutInflater.from(this).inflate(R.layout.activity_main, null);
// main.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
// main.setOnClickListener(this);
setContentView(main);
t1 = (TextView) findViewById(R.id.t1);
eee();
// WebView broser = new WebView(this);
}
private void ddd() {
// try {
// String spec = "http://www.sina.cn";
// myUrl = new URL(spec);
// dis = new DataInputStream(myUrl.openStream());
// while (dis.readLine() != null) {
// String readLine = dis.readLine();
// System.out.println(readLine);
// }
// // getHtmlString(spec);
// dis.close();
// } catch (Exception e) {
// System.out.println("Error");
// }
load();
// SpannableString ss = new SpannableString("Click here to baidu.com");
// ss.setSpan(new StyleSpan(Typeface.BOLD), 0, 6,
// Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
// ss.setSpan(new URLSpan("http://www.baidu.com"), 14, 23,
// Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
// t1.setMovementMethod(LinkMovementMethod.getInstance());
}
private void eee() {
new Thread(new Runnable() {
@Override
public void run() {
HttpClient httpClient = new DefaultHttpClient();
HttpPost request;
try {
request = new HttpPost(SUDOKU_RANKING_TXT);
HttpResponse response = httpClient.execute(request);
if (response.getStatusLine().getStatusCode() == 200) {
StringBuilder builder = new StringBuilder();
BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
String str2 = "";
for (String s = reader.readLine(); s != null; s = reader.readLine()) {
builder.append(s);
}
Log.i("TAG", "data :" + builder.toString());
// 从网站获取信息
try {
String readParse = readParse(SUDOKU_RANKING_TXT);
Log.e("tag", readParse);
URL url = new URL(SUDOKU_RANKING_TXT);
String string = getUrl(url);
Log.e("tag", string);
} catch (Exception e) {
e.printStackTrace();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}).start();
}
/**
* 从指定的URL中获取数组
*
* @param urlPath
* @return
* @throws Exception
*/
public static String readParse(String urlPath) throws Exception {
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
byte[] data = new byte[1024];
int len = 0;
URL url = new URL(urlPath);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
InputStream inStream = conn.getInputStream();
while ((len = inStream.read(data)) != -1) {
outStream.write(data, 0, len);
}
inStream.close();
return new String(outStream.toByteArray());// 通过out.Stream.toByteArray获取到写的数据
}
private String getUrl(URL url) {
String str = null;
try {
URLConnection uc = url.openConnection();
InputStream is = uc.getInputStream();
BufferedInputStream bis = new BufferedInputStream(is);
ByteArrayBuffer baf = new ByteArrayBuffer(2048);
int cun = 0;
while ((cun = bis.read()) != -1) {
baf.append((byte) cun);
}
str = EncodingUtils.getString(baf.toByteArray(), "UTF-8");
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return str;
}
protected void load() {
try {
doc = Jsoup.parse(new URL("http://www.sina.cn"), 5000);
Log.e("load", doc.toString());
} catch (MalformedURLException e1) {
e1.printStackTrace();
} catch (IOException e1) {
e1.printStackTrace();
}
}
/**
* @param urlString
* @return
*/
public String getHtmlString(String urlString) {
try {
URL url = null;
url = new URL(urlString);
URLConnection ucon = null;
ucon = url.openConnection();
InputStream instr = null;
instr = ucon.getInputStream();
BufferedInputStream bis = new BufferedInputStream(instr);
ByteArrayBuffer baf = new ByteArrayBuffer(500);
int current = 0;
while ((current = bis.read()) != -1) {
baf.append((byte) current);
}
return EncodingUtils.getString(baf.toByteArray(), "gbk");
} catch (Exception e) {
return "";
}
}
/**
* jsoup提取src路径，下载网站图片
*
* @author Administrator
*
*/
/*
* class DownImages { private static int COUNT = 0; private static int
* DOWN_COUNT = 0;
*
* public static void jsoupHTML(String urlPath) throws Exception { Document
* doc = Jsoup.connect(urlPath).timeout(1000000).get(); // :当前页中的图片 Elements
* srcLinks = doc.select("img[src$=.jpg]"); for (Element link : srcLinks) {
* // :剔除标签，只剩链接路径 String imagesPath = link.attr("src");
* System.out.println("当前访问路径:" + imagesPath); getImages(imagesPath,
* "d://images//0000" + ++COUNT + ".jpg"); }
*
* // :提取网站中所有的href连接 Elements linehrefs = doc.select("a[href]");
*
* for (Element linehref : linehrefs) { String lihr = linehref.attr("href");
* if (lihr.length() > 4) { String ht = lihr.substring(0, 4); String htt =
* lihr.substring(0, 1); if (!ht.equals("http") && htt.equals("/")) { lihr =
* urlPath + lihr; } if (lihr.substring(0, 4).equals("http")) { Document
* docs = Jsoup.connect(lihr).timeout(1000000).get(); Elements links =
* docs.select("img[src$=.jpg]"); for (Element link : links) { //
* :剔除标签，只剩链接路径 String imagesPath = link.attr("src");
* System.out.println("当前访问路径:" + imagesPath); getImages(imagesPath,
* "d://images//0000" + COUNT++ + ".jpg"); } } } } }
*//**
* @param urlPath
* 图片路径
* @throws Exception
*/
/*
* public static void getImages(String urlPath, String fileName) throws
* Exception { URL url = new URL(urlPath);// ：获取的路径 // :http协议连接对象
* HttpURLConnection conn = (HttpURLConnection) url.openConnection();
* conn.setRequestMethod("GET"); conn.setReadTimeout(6 * 10000); if
* (conn.getResponseCode() < 10000) { InputStream inputStream =
* conn.getInputStream(); byte[] data = readStream(inputStream); if
* (data.length > (1024 * 10)) { FileOutputStream outputStream = new
* FileOutputStream(fileName); outputStream.write(data);
* System.err.println("第" + ++DOWN_COUNT + "图片下载成功"); outputStream.close();
* } }
*
* }
*//**
* 读取url中数据，并以字节的形式返回
*
* @param inputStream
* @return
* @throws Exception
*/
/*
* public static byte[] readStream(InputStream inputStream) throws Exception
* { ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
* byte[] buffer = new byte[1024]; int len = -1; while ((len =
* inputStream.read(buffer)) != -1) { outputStream.write(buffer, 0, len); }
* outputStream.close(); inputStream.close(); return
* outputStream.toByteArray(); }
*
* public static void main(String[] args) { try { String urlPath =
* "http://www.22mm.cc/"; jsoupHTML(urlPath); } catch (Exception e) {
* e.printStackTrace(); } finally { System.out.println("共访问" + COUNT +
* "张图片，其中下载" + DOWN_COUNT + "张图片"); } } }
*
*
* jsoup httpclient 爬取网页并下载google图标
*
* 博客分类： java jsouphttpclient jsoup下载地址 http://www.jsoup.org httpclient下载地址
* http://hc.apache.org/downloads.cgi 其他jar包见附件
*//**
* google logo 下载程序
*/
/*
* public abstract class Crawler {
*//**
* 使用google 翻译api
*
* @param en
* @return
*/
/*
* public String translateEnToCinese(String en) {
* Translate.setHttpReferrer("http://www.xxx.com"); try { return
* Translate.execute(en, Language.ENGLISH, Language.CHINESE); } catch
* (Exception e) { e.printStackTrace(); } return ""; }
*//**
* 获取一个Map
*
* @return
*/
final String ENCORDING = "UTF-8";
public boolean upload(String filepath) throws Exception {
String boundary = "---------------------------7db1c523809b2";// +java.util.UUID.randomUUID().toString();//
// 分割线
File file = new File(filepath);
String fileName = new String("哈哈嗨".getBytes(), "ISO-8859-1");
// 用来解析主机名和端口
URL url = new URL("http://192.168.1.120/dev/index.php/Device/UploadFile?filename=" + fileName + "&filetype=IMAGE");
// 用来开启连接
StringBuilder sb = new StringBuilder();
// 用来拼装请求
/*
* // username字段 sb.append("--" + boundary + "\r\n");
* sb.append("Content-Disposition: form-data; name=\"username\"" +
* "\r\n"); sb.append("\r\n"); sb.append(username + "\r\n");
*
* // password字段 sb.append("--" + boundary + "\r\n");
* sb.append("Content-Disposition: form-data; name=\"password\"" +
* "\r\n"); sb.append("\r\n"); sb.append(password + "\r\n");
*/
// 文件部分
sb.append("--" + boundary + "\r\n");
sb.append("Content-Disposition: form-data; name=\"file\"; filename=\"" + filepath + "\"" + "\r\n");
sb.append("Content-Type: application/octet-stream" + "\r\n");
sb.append("\r\n");
// 将开头和结尾部分转为字节数组，因为设置Content-Type时长度是字节长度
byte[] before = sb.toString().getBytes(ENCORDING);
byte[] after = ("\r\n--" + boundary + "--\r\n").getBytes(ENCORDING);
// 打开连接, 设置请求头
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setConnectTimeout(10000);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
conn.setRequestProperty("Content-Length", before.length + file.length() + after.length + "");
conn.setDoOutput(true);
conn.setDoInput(true);
// 获取输入输出流
OutputStream out = conn.getOutputStream();
FileInputStream fis = new FileInputStream(file);
// 将开头部分写出
out.write(before);
// 写出文件数据
byte[] buf = new byte[1024 * 5];
int len;
while ((len = fis.read(buf)) != -1)
out.write(buf, 0, len);
// 将结尾部分写出
out.write(after);
InputStream in = conn.getInputStream();
InputStreamReader isReader = new InputStreamReader(in);
BufferedReader bufReader = new BufferedReader(isReader);
String line = null;
String data = "getResult=";
while ((line = bufReader.readLine()) != null)
data += line;
Log.e("fromServer", "result=" + data);
boolean sucess = conn.getResponseCode() == 200;
in.close();
fis.close();
out.close();
conn.disconnect();
return sucess;
}
/*
* public Map<String, Object> getMap() { return new HashMap<String,
* Object>(0); }
*//**
* 下载文件
*
* @param url
* 文件http地址
* @param dir
* 目标文件
* @throws IOException
*/
/*
* public void downloadFile(String url, String dir) throws Exception {
* DefaultHttpClient httpClient = new DefaultHttpClient();
* HttpProtocolParams.setUserAgent(httpClient.getParams(),
* "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.1.9) Gecko/20100315 Firefox/3.5.9"
* ); HttpGet httpGet = new HttpGet(); httpGet.setURI(new
* java.net.URI(url));
*
* InputStream input = null; FileOutputStream output = null; try {
* HttpResponse response = httpClient.execute(httpGet); HttpEntity entity =
* response.getEntity(); input = entity.getContent(); File file = new
* File(dir); output = FileUtils.openOutputStream(file); IOUtils.copy(input,
* output); } catch (Exception e){ e.printStackTrace(); } finally {
* IOUtils.closeQuietly(output); IOUtils.closeQuietly(input); } }
*/
/**
* 处理GET请求，返回整个页面
*
* @param url
* 访问地址
* @param params
* 编码参数
* @return
* @throws Exception
*/
/*
* public synchronized String doGet(String url, String... params) throws
* Exception { DefaultHttpClient httpClient = new DefaultHttpClient(); //
* 创建httpClient实例 HttpProtocolParams.setUserAgent(httpClient.getParams(),
* "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.1.9) Gecko/20100315 Firefox/3.5.9"
* ); String charset = "UTF-8"; if (null != params && params.length >= 1) {
* charset = params[0]; } HttpGet httpGet = new HttpGet(); // 创建get方法实例
* String content = ""; httpGet.setURI(new java.net.URI(url)); try {
* HttpResponse response = httpClient.execute(httpGet); // 执行请求，得到response对象
* int resStatu = response.getStatusLine().getStatusCode(); // 得到返回的状态码 if
* (resStatu == HttpStatus.SC_OK) { // 200正常 HttpEntity entity =
* response.getEntity(); // 获得相应的实体 if (entity != null) { //
* 使用EntityUtils的toString方法，传递默认编码，在EntityUtils中的默认编码是ISO-8859-1 content =
* EntityUtils.toString(entity, charset); } } } catch (Exception e) {
* System.out.println("访问【" + url + "】出现异常!"); e.printStackTrace(); }
* finally { // 关闭资源 httpGet.abort();
* httpClient.getConnectionManager().shutdown(); } return content; } }
*//**
* google logo 下载程序
*/
/*
* public class GoogleLogoCrawler extends Crawler {
*
* private static final String URL =
* "http://www.logocollect.com/google/year.php?key=%y&page=%p";
*
* private static final String LOGO_URL =
* "http://www.logocollect.com/google/";
*
* private static final String[] YEARS = new String[] { //"1998", "1999",
* "2000", //"2001", "2002", "2003", "2004", "2005", "2006", "2007", "2008",
* "2009", "2010", "2011", "2012" };
*
* private static final String INDEX =
* "http://www.logocollect.com/google/year.php?key=%y";
*
* private static final String DIR_PATH = "D:\\googlelogos\\";
*
* public void doStart() { JSONArray array = new JSONArray(); for (String
* year : YEARS) { String ind = INDEX.replaceAll("%y", year); int pageCount
* = getPageCount(ind); for (int i = 1; i < pageCount+1; i++) { String url =
* URL.replaceAll("%y", year).replaceAll("%p", i + ""); String path = year +
* "_" + i; start(url, array, DIR_PATH + path + "\\", path); } } try {
* FileUtils.writeStringToFile(new File(DIR_PATH + "json"),
* array.toString(), "UTF-8"); } catch (IOException e) {
* e.printStackTrace(); } System.out.println(array); }
*
* public int getPageCount(String url) { int pageCount = 1; try {
* org.jsoup.nodes.Document doc = Jsoup.connect(url).get();
*
* String els = doc.html().toString(); int start = els.indexOf("总页数") + 4;
* String temp = els.substring(start); int end = temp.indexOf("，");
* pageCount = Integer.parseInt(els.substring(start,start+end));
* System.out.println(pageCount); } catch (IOException e) {
* e.printStackTrace(); } return pageCount; }
*
* public void start(String url, JSONArray array, String dir, String path) {
* try { String content = super.doGet(url); Document doc =
* Jsoup.parse(content); Elements dds = doc.select(".img img");
* List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(0);
* for (int i = 0; i < dds.size(); i++) { Element img = dds.get(i); String
* src = img.select("img").first().attr("src"); String title =
* img.select("img").first().attr("title"); Map<String, Object> map =
* super.getMap();
*
* map.put("url", LOGO_URL + src); map.put("title", title);
*
* list.add(map); } JSONArray tempJsonArray = new JSONArray(); for
* (Map<String, Object> map : list) { JSONObject jsonObject = new
* JSONObject(); String proxy =
* StringUtils.substringAfterLast(map.get("url") .toString(), "."); long
* date = new Date().getTime(); String name = date + "." + proxy;
* jsonObject.put("url", map.get("url").toString()); jsonObject.put("dir",
* name); jsonObject.put("title", map.get("title").toString());
*
* // 翻译 // String dateZh = super.translateEnToCinese(map.get("date") //
* .toString()); // String titleZh =
* super.translateEnToCinese(map.get("title") // .toString()); //
* json.put("title_zh_cn", dateZh + " - " + titleZh);
*
* // 下载图片 super.downloadFile(map.get("url").toString(), dir + name);
* tempJsonArray.put(jsonObject); } array.put(new JSONObject().put(path,
* tempJsonArray)); } catch (Exception e) { e.printStackTrace(); } }
*
* public static void main(String[] args) throws Exception { new
* GoogleLogoCrawler().doStart(); }
*
* }
*/
}
package com.example.androidtest;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
/***
* 工具类，检查当前网络状态
*
* @author shuimu
*
*/
public class NetUtil {
public static boolean checkNet(Context context) {
// 获取手机所以连接管理对象（包括wi-fi，net等连接的管理）
ConnectivityManager conn = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (conn != null) {
// 网络管理连接对象
NetworkInfo info = conn.getActiveNetworkInfo();
if (info != null && info.isConnected()) {
// 判断当前网络是否连接
if (info.getState() == NetworkInfo.State.CONNECTED) {
return true;
}
}
}
return false;
}
}
package com.example.androidtest;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
/**
* 时间戳工具类
* @author Administrator
*
*/
public class GetTimeUtil {
public static String getDate(String year, String month, String day) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 24小时制
java.util.Date d = new java.util.Date();
;
String str = sdf.format(d);
String nowyear = str.substring(0, 4);
String nowmonth = str.substring(5, 7);
String nowday = str.substring(8, 10);
String result = null;
int temp = Integer.parseInt(nowday) - Integer.parseInt(day);
StringBuilder sb = new StringBuilder();
sb.append(Integer.parseInt(year) + "年");
sb.append(Integer.parseInt(month) + "月");
sb.append(Integer.parseInt(day) + "日");
result = sb.toString();
return result;
}
public static String getTime(int timestamp) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String time = null;
try {
java.util.Date currentdate = new java.util.Date();// 当前时间
long i = (currentdate.getTime() / 1000 - timestamp) / (60);
System.out.println(currentdate.getTime());
System.out.println(i);
Timestamp now = new Timestamp(System.currentTimeMillis());// 获取系统当前时间
System.out.println("now-->" + now);// 返回结果精确到毫秒。
String str = sdf.format(new Timestamp(IntToLong(timestamp)));
time = str.substring(11, 16);
String year = str.substring(0, 4);
String month = str.substring(5, 7);
String day = str.substring(8, 10);
System.out.println(str);
System.out.println(time);
System.out.println(getDate(year, month, day));
time = getDate(year,month, day);
} catch (Exception e) {
e.printStackTrace();
}
return time;
}
// java Timestamp构造函数需传入Long型
public static long IntToLong(int i) {
long result = (long) i;
result *= 1000;
return result;
}
public static void main(String[] args) {
int timestamp = 1421856000; // 假设腾讯微博返回时间戳为秒
String time = GetTimeUtil.getTime(timestamp);
System.out.println("timestamp-->" + time);
// print timestamp-->7月12日15:59
}
}
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