OkUrl----okhttp网络请求封装类

xiaoxiao2021-02-28  6

package com.example.mr.weektwo_work.utils; import android.app.Activity; import android.content.Intent; import android.net.Uri; import android.os.Environment; import android.util.Log; import android.widget.Toast; import java.io.File; import java.io.FileOutputStream; 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.FormBody; import okhttp3.MediaType; import okhttp3.MultipartBody; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.RequestBody; import okhttp3.Response; /** * Created by Mr赵 on 2017/12/9. */ public class OkUrl { //创建全局的okhttp private static OkHttpClient okHttpClient=null; private OkUrl() { } //将缓存的路径和超时操作抽成方法 public static OkHttpClient getInstance(){ if(okHttpClient==null){ //加同步安全 synchronized (OkHttpClient.class){ if(okHttpClient==null){ //缓存路径 File secache=new File(Environment.getExternalStorageDirectory(),"cache"); //指定缓存文件大小 int ceche=10*1024*1024; //创建构造器 okHttpClient = new OkHttpClient.Builder() //连接超时 .connectTimeout(15, TimeUnit.SECONDS) //读写超时 .writeTimeout(20,TimeUnit.SECONDS).readTimeout(202,TimeUnit.SECONDS) .build(); } } } return okHttpClient; } /* * get请求 * url路径 回调的callbask * */ public static void doget(String url, Callback callback){ //创建请求对象---对象已经封装好 OkHttpClient okHttpClient=getInstance(); //创建Request Request request = new Request.Builder().url(url).build(); //得到Call对象 Call call = okHttpClient.newCall(request); //执行异步请求 call.enqueue(callback); } /** * post请求 * 参数1 url * 参数2 Map<String, String> params post请求的时候给服务器传的数据 * add..("","") * add() */ public static void doPost(String url, Map<String, String> params, Callback callback) { //创建OkHttpClient请求对象 OkHttpClient okHttpClient = getInstance(); //3.x版本post请求换成FormBody 封装键值对参数 FormBody.Builder builder = new FormBody.Builder(); //遍历集合 for (String key : params.keySet()) { builder.add(key, params.get(key)); } //创建Request Request request = new Request.Builder().url(url).post(builder.build()).build(); Call call = okHttpClient.newCall(request); call.enqueue(callback); } /** * post请求上传文件....包括图片....流的形式传任意文件... * 参数1 url * file表示上传的文件 * fileName....文件的名字,,例如aaa.jpg * params ....传递除了file文件 其他的参数放到map集合 * */ public static void uploadFile(String url, File file, String fileName,Map<String,String> params) { //创建OkHttpClient请求对象 OkHttpClient okHttpClient = getInstance(); MultipartBody.Builder builder = new MultipartBody.Builder(); builder.setType(MultipartBody.FORM); //参数 if (params != null){ for (String key : params.keySet()){ builder.addFormDataPart(key,params.get(key)); } } //文件...参数name指的是请求路径中所接受的参数...如果路径接收参数键值是fileeeee,此处应该改变 builder.addFormDataPart("file",fileName, RequestBody.create(MediaType.parse("application/octet-stream"),file)); //构建 MultipartBody multipartBody = builder.build(); //创建Request Request request = new Request.Builder().url(url).post(multipartBody).build(); //得到Call Call call = okHttpClient.newCall(request); //执行请求 call.enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { } @Override public void onResponse(Call call, Response response) throws IOException { //上传成功回调 目前不需要处理 if (response.isSuccessful()){ String s = response.body().string(); com.orhanobut.logger.Logger.e("上传--"+s); } } }); } /** * Post请求发送JSON数据....{"name":"zhangsan","pwd":"123456"} * 参数一:请求Url * 参数二:请求的JSON * 参数三:请求回调 */ public static void doPostJson(String url, String jsonParams, Callback callback) { RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), jsonParams); Request request = new Request.Builder().url(url).post(requestBody).build(); Call call = getInstance().newCall(request); call.enqueue(callback); } /** * 下载文件 以流的形式把apk写入的指定文件 得到file后进行安装 * 参数er:请求Url * 参数san:保存文件的文件夹....download */ public static void download(final Activity context, final String url, final String saveDir) { Request request = new Request.Builder().url(url).build(); Call call = getInstance().newCall(request); call.enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { com.orhanobut.logger.Logger.e(e.getLocalizedMessage()); } @Override public void onResponse(Call call, final Response response) throws IOException { InputStream is = null; byte[] buf = new byte[2048]; int len = 0; FileOutputStream fos = null; try { is = response.body().byteStream();//以字节流的形式拿回响应实体内容 //apk保存路径 final String fileDir = isExistDir(saveDir); //文件 File file = new File(fileDir, getNameFromUrl(url)); fos = new FileOutputStream(file); while ((len = is.read(buf)) != -1) { fos.write(buf, 0, len); } fos.flush(); context.runOnUiThread(new Runnable() { @Override public void run() { Toast.makeText(context, "下载成功:" + fileDir + "," + getNameFromUrl(url), Toast.LENGTH_SHORT).show(); } }); //apk下载完成后 调用系统的安装方法 Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive"); context.startActivity(intent); } catch (IOException e) { e.printStackTrace(); } finally { if (is != null) is.close(); if (fos != null) fos.close(); } } }); } private static String isExistDir(String saveDir) throws IOException { // 下载位置 if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) { File downloadFile = new File(Environment.getExternalStorageDirectory(), saveDir); if (!downloadFile.mkdirs()) { downloadFile.createNewFile(); } String savePath = downloadFile.getAbsolutePath(); Log.e("savePath", savePath); return savePath; } return null; } /** * @param url * @return 从下载连接中解析出文件名 */ private static String getNameFromUrl(String url) { return url.substring(url.lastIndexOf("/") + 1); } }
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