OKhttp工具类

import okhttp3.*;

import java.io.File;
import java.io.IOException;
import java.util.Map;

public class OkHttp {
/**

• form方式请求
• @param url
• @param parmas
• @return
• @throws IOException
  */
  public static String formPost(String url, Map parmas) throws IOException {
  OkHttpClient okHttpClient = new OkHttpClient.Builder().build();
  FormBody.Builder builder = new FormBody.Builder();
  for (String key : parmas.keySet()) {
  builder.add(key,parmas.get(key));
  }
  FormBody formBody = builder.build();
  Request request = new Request.Builder()
  .url(url)
  .post(formBody)
  .build();
  Response response = okHttpClient.newCall(request).execute();
  return response.body().string();
  }

/**

• get请求
• @param url
• @return
• @throws IOException
  */
  public static String get(String url) throws IOException {
  OkHttpClient client = new OkHttpClient();
  Request request = new Request.Builder()
  .url(url)
  .build();
  Response response = client.newCall(request).execute();
  return response.body().string();
  }

/**

• 使用okhttp请求
• @param url 请求地址
• @param json 请求的json数据
• @return
• @throws IOException
  */
  public static String doPost(String url, String json) throws IOException {
  OkHttpClient client = new OkHttpClient();
  RequestBody body = RequestBody.create(MediaType.parse(“application/json; charset=utf-8”),json);
  Request request = new Request.Builder()
  .url(url)
  .post(body)
  .build();
  Response response = client.newCall(request).execute();
  return response.body().string();
  }

/**

• post返回Response
• @param url
• @param json
• @return
• @throws IOException
  */
  public static Response post(String url, String json) throws IOException {
  OkHttpClient client = new OkHttpClient();
  RequestBody body = RequestBody.create(MediaType.parse(“application/json; charset=utf-8”), json);
  Request request = (new okhttp3.Request.Builder()).url(url).post(body).build();
  return client.newCall(request).execute();
  }

/**

• 文件上传
• @param url
• @param params
• @param file
• @return
• @throws IOException
  */
  public static String fileUpload(String url, Map params , File file) throws IOException {
  OkHttpClient client = new OkHttpClient();
  MediaType MEDIA_TYPE_PNG = MediaType.parse(“image/png”);
  RequestBody filebody = MultipartBody.create(MEDIA_TYPE_PNG, file);
  MultipartBody.Builder multiBuilder = new MultipartBody.Builder();
  //这里是 封装上传图片参数
  multiBuilder.addFormDataPart(“data”, file.getName(), filebody);
  for (String key : params.keySet()) {
  multiBuilder.addFormDataPart(key,params.get(key));
  }
  //参数以添加header方式将参数封装，否则上传参数为空
  // 设置请求体
  multiBuilder.setType(MultipartBody.FORM);
  RequestBody body = multiBuilder.build();
  Request request = new Request.Builder()
  .url(url)
  .post(body)
  .build();
  Response response = client.newCall(request).execute();
  return response.body().string();
  }
  }