com.squareup.okhttp.MultipartBuilder#addPart ( )源码实例Demo

private void addParams(MultipartBuilder builder, Map<String, String> params)
{
    if (builder == null)
    {
        throw new IllegalArgumentException("builder can not be null .");
    }

    if (params != null && !params.isEmpty())
    {
        for (String key : params.keySet())
        {
            builder.addPart(Headers.of("Content-Disposition", "form-data; name=\"" + key + "\""),
                    RequestBody.create(null, params.get(key)));

        }
    }
}
 

@Override
public RequestBody buildRequestBody()
{
    MultipartBuilder builder = new MultipartBuilder()
            .type(MultipartBuilder.FORM);
    addParams(builder, params);

    if (files != null)
    {
        RequestBody fileBody = null;
        for (int i = 0; i < files.length; i++)
        {
            Pair<String, File> filePair = files[i];
            String fileKeyName = filePair.first;
            File file = filePair.second;
            String fileName = file.getName();
            fileBody = RequestBody.create(MediaType.parse(guessMimeType(fileName)), file);
            builder.addPart(Headers.of("Content-Disposition",
                            "form-data; name=\"" + fileKeyName + "\"; filename=\"" + fileName + "\""),
                    fileBody);
        }
    }

    return builder.build();
}
 

private void addParams(MultipartBuilder builder)
{
    if (params != null && !params.isEmpty())
    {
        for (String key : params.keySet())
        {
            builder.addPart(Headers.of("Content-Disposition", "form-data; name=\"" + key + "\""),
                    RequestBody.create(null, params.get(key)));
        }
    }
}