Android Studio开发---Get Post Put Delete 封装okhttp3类

package com.example.xxxxxx.com;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Handler;
import android.os.Message;
import android.util.Log;

import androidx.annotation.NonNull;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.concurrent.TimeUnit;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.MediaType;
import okhttp3.MultipartBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

public class AjaxUtil {
    private static AjaxUtil instance;
    public String TAG = "mytag";
    private static final MediaType MEDIA_TYPE_PNG = MediaType.parse("image/png");
    public void Post(final String reqUrl, Map<String, String> params, Map<String,File> files, final AnsyCallback ansyCallback){
        PostForm(reqUrl,params,files,ansyCallback,0);
    }
    public  void Put(final String reqUrl, Map<String, String> params, Map<String,File> files, final AnsyCallback ansyCallback){
        PostForm(reqUrl,params,files,ansyCallback,1);
    }
    private void PostForm(final String reqUrl, Map<String, String> params, Map<String,File> files, final AnsyCallback ansyCallback,int type) {
        Log.v(TAG,"PostForm请求地址："+reqUrl);
       final Handler handler = new Handler() {
            @Override
            public void handleMessage(Message msg) {
                ansyCallback.AnsyLoader((String) msg.obj, reqUrl);
            }
        };
        MultipartBody.Builder multipartBodyBuilder = new MultipartBody.Builder();
        multipartBodyBuilder.setType(MultipartBody.FORM);
        //遍历map中所有参数到builder
        if (params != null) {
            for (String key : params.keySet()) {
                multipartBodyBuilder.addFormDataPart(key, params.get(key));
            }
        }
        if (files != null) {
            for (String file : files.keySet()) {
                Log.v(TAG,"file:"+file+"||||file.getName():---"+ files.get(file).getName());
               multipartBodyBuilder.addFormDataPart(file, files.get(file).getName(),RequestBody.create(MEDIA_TYPE_PNG, files.get(file)));
            }
        }
        //构建请求体
        RequestBody requestBody = multipartBodyBuilder.build();
        Request.Builder RequestBuilder = new Request.Builder();
        RequestBuilder.url(reqUrl);// 添加URL地址
        if(type==1) {
            RequestBuilder.put(requestBody);
        }else {
            RequestBuilder.post(requestBody);
        }
        Request request = RequestBuilder.build();
        OkHttpClient client = new OkHttpClient();
        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Log.d(TAG, "连接失败" + e.getLocalizedMessage());
                call.cancel();
            }
            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String result = response.body().string();
                Message message = handler.obtainMessage(0, result);
                handler.sendMessage(message);
                Log.d(TAG, result);
                if (response.body() != null) {
                    response.body().close();
                }
                call.cancel();
            }
        });
    }
    public static AjaxUtil getInstance() {
        if (instance == null) {
            instance = new AjaxUtil();
        }
        return instance;
    }
    public void Get(final String path, final AnsyCallback ansyCallback)
    {
        GetData(path,ansyCallback,0);
    }
    public  void Delete(final String path, final AnsyCallback ansyCallback)
    {
        GetData(path,ansyCallback,1);
    }
    private void GetData(final String path, final AnsyCallback ansyCallback,int type) {
        Log.v(TAG,"Get请求地址："+path);
        final Handler handler = new Handler() {
            @Override
            public void handleMessage(Message msg) {
                ansyCallback.AnsyLoader((String) msg.obj, path);
            }
        };
        OkHttpClient client = new OkHttpClient();
        Request.Builder RequestBuilder = new Request.Builder();
        RequestBuilder.url(path);
        if(type==1)
        {//delete
            RequestBuilder.delete();
        }else{
            RequestBuilder.get();
        }
        Request request = RequestBuilder.build();
        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Log.d(TAG, "连接失败" + e.getLocalizedMessage());
            }
            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String result = response.body().string();
                Message message = handler.obtainMessage(0, result);
                handler.sendMessage(message);
                Log.d(TAG, result);
                if (response.body() != null) {
                    response.body().close();
                }
            }
        });
    }
    public void GetImage(final  String imgurl,final AnsyImageCallback ansyImageCallback)
    {
        Log.v(TAG,"GetImage请求地址："+imgurl);
        if(imgurl==null||imgurl=="")
        {
            return ;
        }
        final  Handler  handler=new Handler(){
            @Override
            public void handleMessage(@NonNull Message msg) {
                ansyImageCallback.AnsyImageLoader((Bitmap) msg.obj,imgurl);
            }
        };
        OkHttpClient okHttpClient = new OkHttpClient();
        Request request = new Request.Builder()
                .url(imgurl)
                .build();
        okHttpClient.newCall(request).enqueue(new Callback() {
            public void onFailure(Call call, IOException e) {
                Log.d(TAG, "连接图片失败" + e.getLocalizedMessage());
            }
            public void onResponse(Call call, Response response) throws IOException {
                InputStream inputStream = response.body().byteStream();//得到图片的流
                Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
                Message msg = new Message();
                msg.obj = bitmap;
                handler.sendMessage(msg);
            }
        });
    }
    public interface AnsyCallback {
        public void AnsyLoader(String result, String Url);
    }
    public interface AnsyImageCallback{
        public void AnsyImageLoader(Bitmap bitmap, String Url);
    }

}

-----------------------------------------------------------------------------------------
调用get：

AjaxUtil.getInstance().Get("请求url 地址", new AjaxUtil.AnsyCallback() {
    @Override
    public void AnsyLoader(String txt,String Url) {
        try {
            Log.v(TAG,"内容输出："+txt); 
        }catch (Exception ex)
        {
            Log.v(TAG,ex.getMessage(),ex);
        }
    }
});
调用Post:

Map<String, String> map = new HashMap<String, String>(); 
map.put("name", txtname.getText().toString());
map.put("remark", editRemark.getText().toString());
Map<String, File> files = new HashMap<String, File>();
File file = new File(FileUtils.getPath(ProductEditActivity.this, "图片Uri：【拍照或选择图片】"));//FileUtils类在下面...
files.put(file.getName(), file); 

AjaxUtil.getInstance().Post("Post url 地址", map, files, new AjaxUtil.AnsyCallback() {
    @Override
    public void AnsyLoader(String result, String Url) {
        Log.v(TAG, "Post发送成功！！！！结果：" + result);
    }
});

调用put：

AjaxUtil.getInstance().Put("Put url 地址", map, files, new AjaxUtil.AnsyCallback() {
    @Override
    public void AnsyLoader(String result, String Url) {
         Log.v(TAG, "Put发送成功！！！！结果：" + result);
    }
});

调用delete：

AjaxUtil.getInstance().Delete("Delete url 地址", new AjaxUtil.AnsyCallback() {
    @Override
    public void AnsyLoader(String result, String Url) {
        Log.v(TAG,"Delete发送成功 返回："+result);
    }
});

调用获取图片：

AjaxUtil.getInstance().GetImage("image url 地址", new AjaxUtil.AnsyImageCallback() {
    @Override
    public void AnsyImageLoader(Bitmap bitmap, String Url) {
       //imageview.setImageBitmap(bitmap);
    }
});

 --------------------------FileUtils android 通用路径解析类--------------------------

package com.example.xxxxxx.product;

import android.content.ContentUris;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.ContactsContract;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.util.Log;

import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class FileUtils { 
    public static String getPath(final Context context, final Uri uri) {

        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
            // ExternalStorageProvider
            if (isExternalStorageDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }

                // TODO handle non-primary volumes
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {

                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(
                        Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));

                return getDataColumn(context, contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                Uri contentUri = null;
                if ("image".equals(type)) {
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }

                final String selection = "_id=?";
                final String[] selectionArgs = new String[] {
                        split[1]
                };

                return getDataColumn(context, contentUri, selection, selectionArgs);
            }
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {
            return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }

        return null;
    }
    public static String getDataColumn(Context context, Uri uri, String selection,
                                       String[] selectionArgs) {

        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = {
                column
        };

        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
                    null);
            if (cursor != null && cursor.moveToFirst()) {
                final int column_index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(column_index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }
    public static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }
    public static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }
    public static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }
}