okhttp上传文件和携带参数

最新推荐文章于 2024-07-26 11:10:37 发布

强小子

最新推荐文章于 2024-07-26 11:10:37 发布

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分类专栏： Android学习文章标签： android okhttp

本文链接：https://blog.youkuaiyun.com/u010696222/article/details/53423876

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本文介绍了一个Java工具类，用于实现HTTPS环境下文件上传及POST JSON数据的功能，并且能够处理参数传递及忽略证书验证等问题。

一个小工具类用来post json字符串和文件上传并且带参数外加忽略https证书认证

1 上传文件和参数

public class NetWorkUtilsHttps {
    public static final MediaType JSON = MediaType
            .parse("application/json; charset=utf-8");
    private OkHttpClient client;
    private SSLContext sslContext = null;

    public NetWorkUtilsHttps() {
        X509TrustManager xtm = new X509TrustManager() {
            @Override
            public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {

            }

            @Override
            public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {

            }

            @Override
            public X509Certificate[] getAcceptedIssuers() {
                return new X509Certificate[0];
            }
        };
        try {
            sslContext = SSLContext.getInstance("SSL");
            sslContext.init(null, new TrustManager[]{xtm}, new SecureRandom());
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (KeyManagementException e) {
            e.printStackTrace();
        }
        HostnameVerifier DO_NOT_VERIFY = new HostnameVerifier() {
            @Override
            public boolean verify(String hostname, SSLSession session) {
                return true;
            }
        };
        client = new OkHttpClient.Builder()
                .sslSocketFactory(sslContext.getSocketFactory())
                .readTimeout(50, TimeUnit.SECONDS)
                .connectTimeout(50, TimeUnit.SECONDS)
                .hostnameVerifier(DO_NOT_VERIFY)
                .build();
    }

//post  json    .addHeader("code", trsCode)
是加头部的一些参数
    public String post(String json, String code, String url) {        RequestBody body = RequestBody.create(JSON, json);        Request request = new Request.Builder()                .url(url)                .addHeader("code", trsCode).post(body).build();        try {            Response response = client.newCall(request).execute();            if (response.isSuccessful()) {                return response.body().string();            }            response.body().close();        } catch (IOException e) {            e.printStackTrace();        }        return "{\"ROOT\":{\"BODY\":{\"info\":[]},\"HEAD\":{\"resCode\":\"545\",\"TrsAppType\":\"1\",\"resMsg\":\"连接服务器失败,请稍后重试!\"}}}";    }    public String uploadFile(File file, String uniqueNo, String fileCode, String path) {        StringBuffer resultBuffer = new StringBuffer("");        Map<String, String> params = new HashMap<>();        params.put("busiType", "0");//业务类型        params.put("flag", "up");// 操作标志：up-上传 down-下载        params.put("fileType", fileCode);//文件所属类型 code码  参数        MultipartBody.Builder form = new MultipartBody.Builder().setType(MultipartBody.FORM);        StringBuffer buffer = new StringBuffer();        String url = path;        url += "?";        for (String key : params.keySet()) {            //添加参数            buffer.append(key + "=" + params.get(key) + "&");            Log.e(key, params.get(key));        }        url += buffer.toString();        if (url.lastIndexOf("&") != -1) {            url = url.substring(0, url.lastIndexOf("&"));//拼接参数        }
//放文件
        form.addPart(Headers.of("Content-Disposition", "form-data; name=\"file\";filename=\"" + file.getName() + "\""), RequestBody.create(MediaType.parse("image/png"), file));
        RequestBody body = form.build();
        Request request = new Request
                .Builder()
                .url(url)
                .addHeader("Connection", "keepAlive")
                .addHeader("Charset", "UTF-8")
                .post(body)
                .build();
        try {
            Response response = client.newCall(request).execute();
            if (response.isSuccessful()) {
                resultBuffer.replace(0, resultBuffer.length(), response.body().string());
                Log.e("upFileFlag", resultBuffer.toString());
                return resultBuffer.toString();
            } else {
                Log.e("error", response.body().string());
            }
            response.body().close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "{\"resCode\":\"099\",\"resMsg\":\"上传文件失败\"}";
    }


}