Java Simulation Post Request Login MAOPU Contoh Berbagi

复制代码代码如下:

impor java.io.bufferedReader;

impor java.io.file;

impor java.io.fileoutputStream;

impor java.io.ioException;

impor java.io.inputstream;

impor java.io.inputStreamReader;

impor java.io.outputStreamWriter;

impor java.net.httpurlconnection;

impor java.net.url;

impor java.util.scanner;

impor java.util.stringtokenizer;

impor org.jsoup.jsoup;

impor org.jsoup.nodes.document;

impor org.jsoup.select.elements;

TestPost kelas publik {

public static void main (string args []) melempar ioException {

Pemindai Pemindai = Pemindai Baru (System.in);

System.out.println ("请输入用户名 ：");

String user_name = scanner.next ();

System.out.println ("请输入密码 ：");

String password = scanner.next ();

testPost (user_name, kata sandi, "d: /fileDown2.txt");

testJsoup ();

}

public static void testPost (string user_name, string password, string outpath) melempar ioException {

String login = "";

Url url = url baru ("http://passport.mop.com");

Koneksi httpurlconnection = null;

koneksi = (httpurlconnection) url.openconnection (); // 建立链接

connection.setInstanceFollowRedirects (false);

Connection.setRequestProperty ("Connection", "Keep-Alive");

Connection.setRequestProperty ("User-Agent",

"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, Like Gecko) Chrome/32.0.1700.107 Safari/537.36");

connection.addRequestProperty ("tipe konten", "Aplikasi/X-WWW-Form-Urlencoded; charset = UTF-8");

Connection.setDoInput (true);

Connection.setDoOutput (true);

//connection.disconnect ();

String str = connection.getheaderfield ("location"); // 获得重定向的 url 地址

Url newurl = URL baru (str);

// cookies string = getCookies (koneksi);

HttpurlConnection conn = (httpurlConnection) newurl.openconnection ();

conn.setRequestProperty ("referer", str); // 浏览器向 web 服务器表明自己是从哪个 网页/url 获得/点击 当前请求中的网址/url

//conn.setrequestproperty("cookie ", cookie); // 发送设置 cookie ：

Conn.setRequestProperty ("Connection", "Keep-Alive");

Conn.setRequestProperty ("User-Agent",

"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, Like Gecko) Chrome/32.0.1700.107 Safari/537.36");

conn.setRequestProperty ("tipe konten", "Aplikasi/X-WWW-Form-Urlencoded");

Conn.setDoInput (true);

Conn.SetDoOutput (true);

OutputStreamWriter out = outputStreamWriter baru (conn.getoutputStream (), "UTF-8");

Login = Login+"user_name ="+user_name+"&"+"kata sandi ="+kata sandi;

out.write (login);

out.flush ();

out.close ();

InputStream inputStream = conn.getInputStream ();

BufferedReader Reader = BufferedReader baru (InputStreamReader baru (InputStream, "UTF-8"));

reader.close ();

// 链接到 Pribadi 页面

String headername = null;

StringBuilder mycookies = new StringBuilder ();

//mycookies.append(cookies + ";");

untuk (int i = 1; (headername = conn.getheaderfieldKey (i))! = null; i ++) {

if (headername.equals ("set-cookie")) {

String cookie = conn.getheaderfield (i);

cookie = cookie.substring (0, cookie.indexof (";"));

String cookiename = cookie.substring (0, cookie.indexof ("="));

String cookievalue = cookie.substring (cookie.indexof ("=") + 1, cookie.length ());

mycookies.append (cookiename + "=");

mycookies.Peramping (cookievalue + ";");

}

}

Url purl = URL baru ("http://passport.mop.com/personal");

HttpurlConnection pconn = (httpurlConnection) purl.openconnection ();

pconn.setRequestProperty ("referer", str);

pconn.setRequestProperty ("cookie", mycookies.tostring ());

pconn.connect ();

InputStream inputStream1 = pconn.getInputStream ();

// BufferedReader Reader1 = BufferedReader baru (inputStreamReader baru (inputStream1, "UTF-8"));

// string line1 = reader1.readline ();

// while (line1! = null) {

//System.out.println(line1);

// line1 = reader1.readline ();

//}

//reader1.close ();

int chbyte = 0;

FileOutputStream Fileout = baru fileOutputStream (file baru (outpath));

chbyte = inputStream1.read ();

while (chbyte! = -1) {

fileout.write (chbyte);

chbyte = inputStream1.read ();

}

}

Private Static String getCookies (httpurlConnection conn) {

// TODO Stub Metode yang dihasilkan otomatis

// cookies stringBuffer = stringBuffer baru ();

Cookies StringBuilder = StringBuilder baru ();

Headname string;

untuk (int i = 1; (headname = conn.getheaderfield (i))! = null; i ++) {

StringTokenizer st = new stringTokenizer (headname, ";");

while (st.hasmoretokens ()) {

cookies.append (St.NextToken () + ";");

}

}

return cookies.tostring ();

}

private static void testjsoup () melempar ioException {

// 解析 html 文档

File input = file baru ("d: /filedown2.txt");

Dokumen doc = jsoup.parse (input, "UTF-8");

// untuk (elemen ele: doc.geteLementsbyclass ("zhnc"). pilih ("ul")) {

// if (! ele.select ("li"). tostring (). equals ("") {

// string text = ele.select ("li"). Text ();

// System.out.println ("user_name adalah:"+teks);

//}

//}

Elemen ele = doc.geteLementsbyclass ("zhnc"). Pilih ("ul");

if (! ele.select ("li"). tostring (). equals ("")) {

String text = ele.select ("li"). Text ();

System.out.println ("user_name adalah:"+teks);

}kalau tidak{

System.out.println ("登录失败");

}

}

}