[英]How can I send a POJO object in a Multipart-form Request using Retrofit?
[英]Not able to recreate a cURL POST request using okHTTP multipart-form data in Java for my android app
我已经尝试了两天,以了解如何复制卷曲请求以将图像添加到Craftar图像识别集合中。 我可以创建一个项目,但是设置多部分数据代码的方法使我失败了。 Craftar仅提供有关如何发布图像文件以将其附加到收藏夹项目的cURL语句。
我尝试使用RequestB.in和Postman来查看我在邮件传输中看到的内容,以便找出答案,但是okHTTP方法的组合似乎无济于事。 我很沮丧 我已经尝试将“ image / png”和“ application / octet-stream”作为我的MediaTypes。 当我使用Postman向其发送测试请求时,RequestB.in显示为“ application / octet-stream”。 以下是它显示的消息信息。
这是我要用Java复制的cURL语句。
卷曲-X POST ' https://my.craftar.net/api/v0/image/api_key=123456789abcdefghijk123456789abcdefghijk ' -F “项= / API / V0 /项目/ d05924dde1784787a3d6b815e2b1cd69 /” -F “file=@back_cover.jpg”
这是我的代码:
public class OkHttpHandler extends AsyncTask<String, Void, String> {
OkHttpClient client = new OkHttpClient();
@Override
protected String doInBackground(String... params) {
File storageDir = Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_PICTURES);
File file = new File("/storage/emulated/0/Pictures/BlissBotSenderImages/kaytiandkristoffer.jpg");
RequestBody requestBody = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
.addFormDataPart("item", "/api/v0/item/d05924dde1784787a3d6b815e2b1cd69/")
.addFormDataPart("file","kaytiandkristoffer.jpg",
(RequestBody.create (MEDIA_TYPE_PNG, file)))
.build();
Request request = new Request.Builder()
.url(postImageUrl)
.post(requestBody)
.build();
try {
Response response = client.newCall(request).execute();
return response.body().string();
} catch (Exception e) {
e.printStackTrace();
}
以下是RequestB.in成功的Postman邮件详细信息:
格式/后置参数项目:/ api / v0 / item / d05924dde1784787a3d6b815e2b1cd69 /
接头Cf-Ray:3cdba305fb509b62-DFW
通过:1.1 vegur
Cf访客:{“ scheme”:“ https”}
内容类型:多部分/表单数据; 边界= a11df5d0-f007-4d3a-9849-18fe334c532c
接受编码:gzip
内容长度:3509853
总路线时间:0
CF连接IP:2001:5b0:42c4:2ae8:2954:59ea:a3e8:4787
X-Request-Id:766063f7-c368-4467-b5ed-42776ac6f528
主持人:requestb.in
连接方式:关闭
Cf-Ipcountry:美国
用户代理:okhttp / 3.9.1
连接时间:1
原始文件--a11df5d0-f007-4d3a-9849-18fe334c532c内容处置:form-data; name =“ item”内容长度:46
/ api / v0 / item / d05924dde1784787a3d6b815e2b1cd69 / --a11df5d0-f007-4d3a-9849-18fe334c532c内容配置:表单数据; name =“文件”; filename =“ kaytiandkristoffer.jpg”内容类型:application / octet-stream内容长度:3509467
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有时会发生问题,而问题出在其他地方。 我不小心在端点的地址中插入了一个多余的字符。 我解决了这个问题,上面的代码可以找到。
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