Simulación de Java Post Solicitud Iniciar sesión Maopu Ejemplo compartiendo

复制代码代码如下:

import java.io.bufferedReader;

import java.io.file;

import java.io.fileOutputStream;

import java.io.ioException;

import java.io.inputstream;

import java.io.inputstreamreader;

import java.io.outputstreamwriter;

import java.net.httpurlconnection;

import java.net.url;

import java.util.scanner;

import java.util.stringTokenizer;

importar org.jsoup.jsoup;

importar org.jsoup.nodes.document;

importar org.jsoup.select.elements;

Public Class TestPost {

public static void main (string args []) lanza ioexception {

Scanner Scanner = New Scanner (System.in);

System.out.println ("请输入用户名 ：");

Cadena user_name = scanner.next ();

System.out.println ("请输入密码 ：");

String Password = Scanner.Next ();

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

testjSoup ();

}

public static void testPost (string user_name, string contraseña, string soutpath) lanza ioexception {

String Login = "";

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

Httpurlconnection conexión = null;

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

Connection.SetInstanceFollowledirects (falso);

conexión.setRequestProperty ("Conexión", "Keep-Alive");

Connection.SetRequestProperty ("User-agent",

"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebkit/537.36 (khtml, como gecko) Chrome/32.0.1700.107 Safari/537.36");

Connection.AdDRequestProperty ("Content-type", "Application/x-www-form-urlencoded; charset = utf-8");

Connect.SetDoInput (verdadero);

Connect.SetDoOutput (verdadero);

//connection.disconnect ();

String Str = Connection.GetheaderField ("Ubicación"); // 获得重定向的 URL 地址

Url newurl = nueva url (str);

// string cookies = getcookies (conexión);

Httpurlconnection conn = (httpurlconnection) newurl.openconnection ();

Conn.setRequestProperty ("Referente", Str); // 浏览器向 Web 服务器表明自己是从哪个/url 获得/点击 当前请求中的网址/url

//conn.setRequestProperty("Cookie ", Cookies); // 发送设置 Cookie ：

conn.setRequestProperty ("Conexión", "mantener alive");

Conn.setRequestProperty ("agente de usuario",

"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebkit/537.36 (khtml, como gecko) Chrome/32.0.1700.107 Safari/537.36");

conn.setRequestProperty ("Content-type", "Application/X-WWW-form-URLEncoded");

Conn.setDoInput (verdadero);

Conn.setDoOutput (verdadero);

OutputStreamWriter out = new OutputStreamWriter (conn.getOutputStream (), "UTF-8");

Login = login+"user_name ="+user_name+"&"+"contraseña ="+contraseña;

out.write (Iniciar sesión);

out.flush ();

out.close ();

InputStream InputStream = Conn.getInputStream ();

BufferedReader Reader = new BufferedReader (new InputStreamReader (inputStream, "UTF-8"));

lector.close ();

// 链接到 personal 页面

String headername = null;

StringBuilder mycookies = new StringBuilder ();

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

para (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.append (Cookievalue + ";");

}

}

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

Httpurlconnection pconn = (httpurlconnection) purl.openconnection ();

pconn.setRequestProperty ("referente", str);

pconn.setRequestProperty ("Cookie", mycookies.ToString ());

pconn.connect ();

InputStream InputStream1 = PConn.getInputStream ();

// BufferedReader Reader1 = new BufferedReader (new InputStreamReader (inputStream1, "UTF-8"));

// String Line1 = Reader1.Readline ();

// while (line1! = null) {

//System.out.println(line1);

// line1 = Reader1.readline ();

//}

//reader1.close ();

int chbyte = 0;

FileOutputStream FileOut = nuevo FileOutputStream (nuevo archivo (OutPath));

chbyte = inputStream1.read ();

while (chbyte! = -1) {

fileout.write (chbyte);

chbyte = inputStream1.read ();

}

}

getcookies de cadena estática privada (httpurlconnection conn) {

// TODO STUB de método generado automático

// stringbuffer cookies = new StringBuffer ();

StringBuilder Cookies = new StringBuilder ();

Nombre de cabeza de cadena;

para (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 () lanza ioexception {

// 解析 html 文档

Archivo de archivo = nuevo archivo ("d: /fileDown2.txt");

Documento doc = JSoup.Parse (entrada, "UTF-8");

// for (elemento ele: doc.getElementsByClass ("zhnc"). select ("ul")) {

// if (! ele.select ("li"). toString (). igual ("")) {

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

// system.out.println ("user_name is:"+text);

//}

//}

Elements ele = doc.getElementsByClass ("zhnc"). Seleccione ("UL");

if (! ele.select ("li"). toString (). igual ("")) {

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

System.out.println ("user_name is:"+text);

}demás{

System.out.println ("登录失败");

}

}

}