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View Code? Open in Web Editor NEW提供多种Okhttp请求的缓存方式,简单实现离线缓存功能
提供多种Okhttp请求的缓存方式,简单实现离线缓存功能
public Response request(Interceptor.Chain chain) throws IOException {
Request request = chain.request();
Response response = chain.proceed(request);
response.newBuilder()
.addHeader("Cache-Control", "public, max-age=" + mMaxAge)
.removeHeader("Pragma")
.build();
return response;
}
`
上边是NetworkStrategy和CacheStrategy里边的方法,是不是应该改为
``` @Override
public Response request(Interceptor.Chain chain) throws IOException {
Request request = chain.request();
request = request.newBuilder().cacheControl(CacheControl.FORCE_CACHE).build();//没有网络,直接读取缓存
Response response = chain.proceed(request);
return response.newBuilder()// only-if-cached完全使用缓存,如果命中失败,则返回503错误
.removeHeader("Pragma")
.header("Cache-Control", "public, only-if-cached, max-stale=" + mMaxStale)
.build();
}`
而不是return response,否则添加的header会无效
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