这个没有什么好说的 同标题
package soexample.umeng.com.okhttp.utils;
import android.os.Environment;
import java.io.File;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.MediaType;
import okhttp3.MultipartBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.logging.HttpLoggingInterceptor;
/**
* 静态内部类单例模式
* OKHttp的重点
* 1:同步和异步的区别
* 2:get和POST怎么使用
* 3:怎么封装
* 扩展有拦截器,上传图片,源码区看一看
*/
public class OkUtils {
private OkHttpClient okHttpClient;
private OkUtils() {
//日志拦截器
HttpLoggingInterceptor loggingInterceptor = new HttpLoggingInterceptor();
okHttpClient = new OkHttpClient.Builder()
.connectTimeout(20, TimeUnit.SECONDS)
.readTimeout(20, TimeUnit.SECONDS)
.callTimeout(20, TimeUnit.SECONDS)
.addInterceptor(loggingInterceptor)
.build();
}
public static OkUtils getInstance() {
return OkHolder.okUtils;
}
static class OkHolder {
private static final OkUtils okUtils = new OkUtils();
}
//这是同步的get和post
public String getSync(String url) throws IOException {
Request request = new Request.Builder().url(url).build();
return okHttpClient.newCall(request).execute().body().string();
}
public String postSync(String url, String key, String value) throws IOException {
RequestBody body = new FormBody.Builder().add(key, value).build();
Request request = new Request.Builder().url(url).post(body).build();
return okHttpClient.newCall(request).execute().body().string();
}
//异步的get和post
public void getAsync(String url, Callback callback) {
Request request = new Request.Builder().url(url).build();
okHttpClient.newCall(request).enqueue(callback);
}
public void postAsync(String url, Callback callback) {
RequestBody body = new FormBody.Builder().add("key", "value").build();
Request request = new Request.Builder().url(url).post(body).build();
okHttpClient.newCall(request).enqueue(callback);
}
//上传图片 必须是POST
public void upLoadImage(String url, String uid, Callback callback) {
File file = new File(Environment.getExternalStorageDirectory() + "/Pictures/test.jpg");
//上传图片需要 MultipartBody
MultipartBody.Builder body = new MultipartBody.Builder().setType(MultipartBody.FORM)
.addFormDataPart("uid", uid)
.addFormDataPart("file", "test.jpg", RequestBody.create(MediaType.parse("image/jpg"), file));
RequestBody body1 = body.build();
Request request = new Request.Builder().url(url).post(body1).build();
okHttpClient.newCall(request).enqueue(callback);
}
}