由于某种原因,OkHttp response.cacheResponse()
总是返回 null,即使请求应该被缓存。在下面的代码中,我向 http://httpbin.org/cache/60
发出两个请求,我希望第二个请求将从缓存中获取。但事实并非如此,从输出中可以看出。
我错过了什么?
代码:
@Test
public void test2_okhttp() throws IOException {
int cacheSize = 100 * 1024 * 1024; // 100 MiB
File cacheDir = new File("/tmp/ok_cache");
cacheDir.mkdirs();
Cache cache = new Cache(cacheDir, cacheSize);
OkHttpClient client = new OkHttpClient.Builder()
.cache(cache)
.build();
String url = "http://httpbin.org/cache/60";
for(int i = 0; i < 2; i++) {
Request request = new Request.Builder()
.url(url)
.build();
Response response = client.newCall(request).execute();
System.out.println("response1.cacheResponse() = " + response.cacheResponse());
System.out.println("response1.networkResponse() = " + response.networkResponse());
}
}
输出:
response1.cacheResponse() = null
response1.networkResponse() = Response{protocol=http/1.1, code=200, message=OK, url=http://httpbin.org/cache/60}
response1.cacheResponse() = null
response1.networkResponse() = Response{protocol=http/1.1, code=200, message=OK, url=http://httpbin.org/cache/60}
最佳答案
OkHttp 将响应正文写入缓存,作为您读取正文的副作用。调用response.body().string()即可完成此操作,或者您也可以通过其他方式读取正文。
关于java - OkHttp 不缓存请求,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42877750/