Retrofit的cookie的保存和添加都可以用Interceptor來實現 下面是接收請求中返回並保存cookie的代碼示例:
public class ReceivedCookiesInterceptor implements Interceptor { private Context context; public ReceivedCookiesInterceptor(Context context) { super(); this.context = context; } @Override public Response intercept(Chain chain) throws IOException { Response originalResponse = chain.proceed(chain.request()); //這裏獲取請求返回的cookie if (!originalResponse.headers("Set-Cookie").isEmpty()) { final StringBuffer cookieBuffer = new StringBuffer(); //最近在學習RxJava,這裏用了RxJava的相關API大家可以忽略,用自己邏輯實現即可.大家可以用別的方法保存cookie數據 Observable.from(originalResponse.headers("Set-Cookie")) .map(new Func1<String, String>() { @Override public String call(String s) { String[] cookieArray = s.split(";"); return cookieArray[0]; } }) .subscribe(new Action1<String>() { @Override public void call(String cookie) { cookieBuffer.append(cookie).append(";"); } }); SharedPreferences sharedPreferences = context.getSharedPreferences("cookie", Context.MODE_PRIVATE); SharedPreferences.Editor editor = sharedPreferences.edit(); editor.putString("cookie", cookieBuffer.toString()); editor.commit(); } return originalResponse; }
向請求中添加cookie,代碼如下:
public class AddCookiesInterceptor implements Interceptor { private Context context; public AddCookiesInterceptor(Context context) { super(); this.context = context; } @Override public Response intercept(Chain chain) throws IOException { final Request.Builder builder = chain.request().newBuilder(); SharedPreferences sharedPreferences = context.getSharedPreferences("cookie", Context.MODE_PRIVATE); //最近在學習RxJava,這裏用了RxJava的相關API大家可以忽略,用自己邏輯實現即可 Observable.just(sharedPreferences.getString("cookie", "")) .subscribe(new Action1<String>() { @Override public void call(String cookie) { //添加cookie builder.addHeader("Cookie", cookie); } }); return chain.proceed(builder.build()); } }
在Retrofit做如下設置即可在每次請求中保存和添加cookie: 本人使用的Retrofit2.0可能Retrofit1.9中代碼略有不同,但這個思路應該也可以用在1.9版本中,希望對大家有所幫助
public static OkHttpClient getClient(Context context) { OkHttpClient client = getUnsafeOkHttpClient(); client.interceptors().add(new ReceivedCookiesInterceptor(context)); client.interceptors().add(new AddCookiesInterceptor(context)); return client; }