Android Learning--http Request

Package Cn.xm.hostrequest.biz;import Java.io.outputstream;import Java.net.httpurlconnection;import Java.net.URL; Import Java.net.urlencoder;import java.util.arraylist;import Java.util.list;import Org.apache.http.header;import Org.apache.http.httpresponse;import Org.apache.http.namevaluepair;import org.apache.http.client.HttpClient; Import Org.apache.http.client.entity.urlencodedformentity;import Org.apache.http.client.methods.httpget;import Org.apache.http.client.methods.httppost;import Org.apache.http.impl.client.defaulthttpclient;import Org.apache.http.message.basicnamevaluepair;import Android.content.context;import Android.widget.Toast;import Cn.xm.hostrequest.tools.streamtools;import Com.loopj.android.http.asynchttpclient;import Com.loopj.android.http.asynchttpresponsehandler;import Com.loopj.android.http.requestparams;public Class Loginservice {public static Boolean Loginbyget (string path, string username,string password) {try {URL url = new URL (path + "? user=" + Urlencoder.encode (USErname, "utf-8") + "&pwd=" + urlencoder.encode (password, "Utf-8")); HttpURLConnection conn = (httpurlconnection) url.openconnection (); Conn.setrequestmethod ("GET"); Conn.setconnecttimeout (n); int code = Conn.getresponsecode (); if (code = =) {String response = Streamtools.readinputinputstream (Conn.getinputstream ()); if (response! = null && response.equals ("true")) { return true;}}} catch (Exception e) {e.printstacktrace ();} return false;} public static Boolean Loginbypost (string path, string username,string password) {try {//create Urlurl url = new URL (path);// Use the URL to open the connection httpurlconnection conn = (httpurlconnection) url.openconnection ();//Set request parameter Conn.setrequestmethod ("POST"); Post request Conn.setconnecttimeout (5000); Connection Timeout Time conn.setdooutput (true); To write out the output stream to the server//assemble a POST request data string "user=" + urlencoder.encode (username, "utf-8") + "&pwd=" + urlencoder.encod E (password, "Utf-8");//Set message header Conn.addrequestproperty ("Content-type", "application/x-www-form-urlencoded");// Set data length COnn.addrequestproperty ("Content-length", data.length () + "");//Take output stream and write data outputstream OS = Conn.getoutputstream (); O S.write (Data.getbytes ());//Executes the request and takes the response code int code = Conn.getresponsecode (); if (code = =) {String response = Streamtools.re Adinputinputstream (Conn.getinputstream ()); if (response! = null && response.equals ("true")) {return true;}}} catch (Exception e) {e.printstacktrace ();} return false;} public static Boolean Loginbyclientpost (string path, string username,string password) {try {//open httpClient = = Open Browser Httpc Lient client = new Defaulthttpclient ();//Set the URL to access = = Actionhttppost post in form = new HttpPost (path);//create post data = = data filled in form list<namevaluepair> parameters = new Arraylist<namevaluepair> (0);p Arameters.add (new Basicnamevaluepair ("User", username));p arameters.add (New Basicnamevaluepair ("pwd", password));// Set Data post.setentity (new urlencodedformentity (Parameters, "Utf-8"));//Send request and get response httpresponse response = Client.execute (post);//Get Response code int code= Response.getstatusline (). Getstatuscode (); if (code = =) {String Text = Streamtools.readinputinputstream ( Response.getentity (). getcontent ()); if (text! = null && text.equals ("true")) {return true;}}} catch (Exception e) {e.printstacktrace ();} return false;} public static Boolean Loginbyclientget (string path, string username,string password) {try {//Open httpclient== Open the browser httpclient client = new Defaulthttpclient ();//Generate the URL to access = = Input address HttpGet httpget = new HttpGet (path);//Send request = = Hit Enter h Ttpresponse response = Client.execute (httpget);//Take the status code int code = Response.getstatusline (). Getstatuscode (); if (Code = = () {String text = Streamtools.readinputinputstream (Response.getentity (). getcontent ()); if (text! = null && Text.equals ("true")) {return true;}}} catch (Exception e) {e.printstacktrace ();} return false;} public static void Loginbyasyncget (final context context, String path,string Username, string password) {asynchttpclient c lient = new Asynchttpclient (); Client.get (path + "? user="+ username +" &pwd= "+ password,new Asynchttpresponsehandler () {@Overridepublic void onsuccess (int statusCode, Heade R[] headers,byte[] responsebody) {string text = new String (responsebody), if ("true". Equals (text)) {Toast.maketext ( Context, "Landing success", 0). Show (); else {toast.maketext (context, "Login failed", 0). Show ();}} @Overridepublic void onfailure (int statusCode, header[] headers,byte[] responsebody, throwable error) {Toast.maketext ( Context, "Login failed", 0). Show ();}});  public static void Loginbyasyncpost (final context context, String path,string Username, string password) {Asynchttpclient Client = new Asynchttpclient (); Requestparams parm = new Requestparams ();p arm.put ("User", username);p arm.put ("pwd", password); client.post (path, Parm, New Asynchttpresponsehandler () {@Overridepublic void onsuccess (int statusCode, header[] headers,byte[] responsebody) { String text = new String (responsebody), if ("true". Equals (text)) {Toast.maketext (context, "login succeeded", 0). Show ();} else {Toast . Maketext (Context, "Login failed", 0). Show ();}} @Overridepublic void onfailure (int statusCode, header[] headers,byte[] responsebody, throwable error) {Toast.maketext ( Context, "Login failed", 0). Show ();}});}}