2回答

nate

2017-05-16

用这个代码试试

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nate

2017-05-16

package com.imooc.http.lib;

import java.io.File;
import java.io.IOException;
import java.util.concurrent.TimeUnit;

import okhttp3.Cache;
import okhttp3.CacheControl;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

/**
 * @author nate
 */
public class CacheHttp {

    public static void main(String args[]) throws IOException {


        int maxCacheSize = 10 * 1024 * 1024;

        Cache cache = new Cache(new File("/Users/nate/source"), maxCacheSize);
        OkHttpClient client = new OkHttpClient.Builder().cache(cache).build();

        Request request = new Request.Builder().url("http://www.qq.com/").
                cacheControl(new CacheControl.Builder().maxStale(365, TimeUnit.DAYS).build()).
                build();

        Response response = client.newCall(request).execute();


        String body1 = response.body().string();
        System.out.println("network response " + response.networkResponse());
        System.out.println("cache response " + response.cacheResponse());

        System.out.println("**************************");

        Response response1 = client.newCall(request).execute();

        String body2 = response1.body().string();
        System.out.println("network response " + response1.networkResponse());
        System.out.println("cache response " + response1.cacheResponse());


    }
}

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