okhttp封装类

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package com.lht.vike.a680_v1.Main.LhtUtils;import java.io.File;import java.io.UnsupportedEncodingException;import java.net.URLEncoder;import java.util.Map;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;/** * Created by lht on 2017/2/25. */public class OkhttpTool {    private static OkhttpTool okhttpTool;    private static OkHttpClient okHttpClient;    private static Request request;    public OkhttpTool() {        okHttpClient = new OkHttpClient().newBuilder()                .connectTimeout(30*1000, TimeUnit.SECONDS)                .writeTimeout(10*1000, TimeUnit.SECONDS)                .readTimeout(10*1000, TimeUnit.SECONDS)//                .cookieJar(new CookieJar() {//                    @Override//                    public void saveFromResponse(HttpUrl url, List<Cookie> cookies) {//                        //保存cookie信息,密码，表单等信息//                    }////                    @Override//                    public List<Cookie> loadForRequest(HttpUrl url) {//                        //从保存位置读取，注意此处不能为空，否则会导致空指针////                        return new ArrayList<Cookie>();//                    }//                })                .build();    }    public static OkhttpTool getOkhttpTool() {        if (null == okhttpTool) {            synchronized (OkhttpTool.class) {                if (null == okhttpTool) {                    okhttpTool = new OkhttpTool();                }            }        }        return okhttpTool;    }    public void get(String url, Callback callback) {        request = new Request.Builder()                .url(url)                .get()                .build();        okHttpClient.newCall(request).enqueue(callback);    }    public void post(String url, Map<String,Object> map, Callback callback) {     FormBody.Builder formBody = new FormBody.Builder();        if (null!=map) {            for (Map.Entry<String, Object> entity : map.entrySet()) {                try {                    String o = URLEncoder.encode(String.valueOf(entity.getValue()), "GBK");                    formBody.add(entity.getKey(), o);                } catch (UnsupportedEncodingException e) {                    e.printStackTrace();                }            }        }        request = new Request.Builder()                .url(url)                .post(formBody.build())                .build();        okHttpClient.newCall(request).enqueue(callback);    }    //表单访问    public void  httpPost(String url, Map<String,Object> map,Callback callback){        FormBody.Builder formBody = new FormBody.Builder();        if (null!=map) {            for (Map.Entry<String, Object> entity : map.entrySet()) {                try {                    String o = URLEncoder.encode(String.valueOf(entity.getValue()), "GBK");                    formBody.add(entity.getKey(), o);                } catch (UnsupportedEncodingException e) {                    e.printStackTrace();                }            }        }        request = new Request.Builder()                .url(url)                .post(formBody.build())                .build();        okHttpClient.newCall(request).enqueue(callback);    }    //单张图片上传    public void upLoadImage(String url, File f, Callback callback) {        MultipartBody.Builder builder = new MultipartBody.Builder();        builder.setType(MultipartBody.FORM);        builder.addFormDataPart("imgFile", "imgFile.jpg", RequestBody.create(MediaType.parse("image/*"), f));        request = new Request.Builder()                .url(url)                .post(builder.build())                .build();        okHttpClient.newCall(request).enqueue(callback);    }}
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