okhttp上传图片实列

[code]只上传是数据时，可使用formbody.builder,上传图片及其他文件时使用MultipartBody.builder;

file=new File(path);  //文件类型

MultipartBody.Builder builder = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
.addFormDataPart("img", file.getName(),
RequestBody.create(MediaType.parse("image/jpg"), file))
.addFormDataPart("operation","setUser")
.addFormDataPart("touxiang",file.getName());

RequestBody requestBody = builder.build();
Request request = new Request.Builder()
.url("http://nightrain.xyz/Petweb/userServlet")
//.post(RequestBody.create(mediaType,formBody.toString()))
.post(requestBody)
.build();
OkHttpClient okHttpClient = new OkHttpClient();
okHttpClient.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {

}

@Override
public void onResponse(Call call, Response response) throws IOException {

}
});

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