如何解决会话Cookie未共享
| 经过许多小时后,我设法弄清楚如何在我的httpclient和Webview之间共享cookie。我现在的问题是由于某种原因我的会话cookie没有被共享。 在android文档中,我发现: public void setCookie(字符串url,字符串值) 由于:API级别1 为给定的网址设置Cookie。具有相同主机名/路径/名称的旧cookie将被删除。如果新的cookie没有过期或没有过期(这意味着它是会话cookie),则会被添加。 我共享一个具有过期设置的Cookie,并且可以正常工作。任何人都知道为什么不共享我的会话cookie,或者实际上是因为setCookie无法做到这一点,我该如何以其他方式做到这一点。 这是我的代码: package mds.test;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.telephony.TelephonyManager;
import android.util.Log;
import android.webkit.CookieManager;
import android.webkit.CookieSyncManager;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class Home extends Activity {
public static final String LOG_TAG = \"Droidnova\";
private class HelloWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view,String url) {
view.loadUrl(url);
return true;
}
}
private String tmDevice;
private String sid;
private String url;
public static Cookie cookie = null;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
CookieSyncManager.createInstance(this);
CookieManager cookieManager = CookieManager.getInstance();
cookieManager.setAcceptCookie(true);
final TelephonyManager tm = (TelephonyManager) getBaseContext().getSystemService(Context.TELEPHONY_SERVICE);
tmDevice = \"blabla\" + tm.getDeviceId();
postData();
url = \"mywebsite=\"+sid.substring(5);
Log.d(LOG_TAG,\"cookie value: \" + cookie);
if (cookie != null) {
cookieManager.removeSessionCookie();
String cookieString = cookie.getName() + \"=\" + cookie.getValue() + \"; domain=\" + cookie.getDomain();
cookieManager.setCookie(cookie.getDomain(),cookieString);
CookieSyncManager.getInstance().sync();
}
setContentView(R.layout.web);
WebView myWebView = (WebView) findViewById(R.id.webview);
myWebView.getSettings().setJavaScriptEnabled(true);
myWebView.setWebViewClient(new HelloWebViewClient());
myWebView.loadUrl(url);
}
public void postData() {
// Create a new HttpClient and Post Header
DefaultHttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(\"my website\");
try {
// Add your data
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(1);
nameValuePairs.add(new BasicNameValuePair(\"uid\",tmDevice));
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
// Execute HTTP Post Request
HttpResponse response = httpclient.execute(httppost);
inputStreamToString(response.getEntity().getContent());
List<Cookie> cookies = httpclient.getCookieStore().getCookies();
if (!cookies.isEmpty()) {
for (int i = 0; i < cookies.size(); i++) {
cookie = cookies.get(i);
}
}
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
} catch (IOException e) {
// TODO Auto-generated catch block
}
}
private void inputStreamToString(InputStream is) {
String line = \"\";
StringBuilder total = new StringBuilder();
// Wrap a BufferedReader around the InputStream
BufferedReader rd = new BufferedReader(new InputStreamReader(is));
// Read response until the end
try {
while ((line = rd.readLine()) != null) {
total.append(line);
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
sid = total.toString();
}
}
解决方法
请注意,这不是解决方案,而是一种解决方法,只要您可以访问页面的代码即可。
无需将cookie传递给webView,您可以传递cookie的POST值:
String postData = cookie.getName() + \"=\" + cookie.getValue();
WebView myWebView = (WebView) findViewById(R.id.webview);
myWebView.getSettings().setJavaScriptEnabled(true);
myWebView.setWebViewClient(new HelloWebViewClient());
myWebView.postUrl(loadUrl,EncodingUtils.getBytes(postData,\"BASE64\") );
在网站上的授权机制中,您必须检查POST数据以及会话。
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