Okhttp3上传参数、文件和同时上传

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OkHttpClient client=new OkHttpClient();//一种：参数请求体FormBody paramsBody=new FormBody.Builder()        .add("id",currentPlan.getPlanId()+"")        .add("name",currentPlan.getName())        .add("volume",currentPlan.getVolume())        .add("type",currentPlan.getType()+"")        .add("mode",currentPlan.getMode()+"")        .build();//二种：文件请求体MediaType type=MediaType.parse("application/octet-stream");//"text/xml;charset=utf-8"File file=new File("/data/data/com.example.company/files/plan/plans.xml");RequestBody fileBody=RequestBody.create(type,file);//三种：混合参数和文件请求RequestBody multipartBody = new MultipartBody.Builder()        .setType(MultipartBody.ALTERNATIVE)

//一样的效果        .addPart(Headers.of(            "Content-Disposition",            "form-data; name=\"params\"")                ,paramsBody)        .addPart(Headers.of(            "Content-Disposition",            "form-data; name=\"file\"; filename=\"plans.xml\"")                , fileBody)        //一样的效果        /*.addFormDataPart("id",currentPlan.getPlanId()+"")        .addFormDataPart("name",currentPlan.getName())        .addFormDataPart("volume",currentPlan.getVolume())        .addFormDataPart("type",currentPlan.getType()+"")        .addFormDataPart("mode",currentPlan.getMode()+"")        .addFormDataPart("params","plans.xml",fileBody)*/        .build(); Request request=new Request.Builder().url("http://192.168.1.121:8080/Server/Service")        .addHeader("User-Agent","android")        .header("Content-Type","text/html; charset=utf-8;")        .post(multipartBody)//传参数、文件或者混合，改一下就行请求体就行        .build();client.newCall(request).enqueue(new Callback() {    @Override    public void onFailure(Call call, IOException e) {    }    @Override    public void onResponse(Call call, Response response) throws IOException {                Log.i("xxx","1、连接的消息"+response.message());        if(response.isSuccessful()){            Log.i("xxx","2、连接成功获取的内容"+response.body().string());        }    }});

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