引用
implementation 'com.squareup.okhttp3:okhttp:3.10.0'
直接上代码片段
public static String httpMilFilePost(Context context, final String url, final Map<String, Object> map, List<String> fileNames) {
try {
OkHttpClient client = new OkHttpClient().newBuilder().build();
// form 表单形式上传
MultipartBody.Builder requestBody = new MultipartBody.Builder().setType(MultipartBody.FORM);
for (int i = 0; i < fileNames.size(); i++) { //对文件进行遍历
File file = new File(fileNames.get(i)); //生成文件
//根据文件的后缀名,获得文件类型
String fileType = ImageTools.getMimeType(file.getName());
requestBody.addFormDataPart(//给Builder添加上传的文件
"imgFiles",//请求的名字
file.getName(), //文件的文字,服务器端用来解析的
RequestBody.create(MediaType.parse(fileType), file));//创建RequestBody,把上传的文件放入
}
if (map != null) {
// map 里面是请求中所需要的 key 和 value
for (Map.Entry entry : map.entrySet()) {
requestBody.addFormDataPart(valueOf(entry.getKey()), valueOf(entry.getValue()));
}
}
Request request = new Request.Builder()
.url(url)
.post(requestBody.build()).tag(context)
.build();
Response response = client.newCall(request).execute();
if (response.isSuccessful()) {
//OkHttp请求回调中response.Body().string()只能有效调用一次
String restbody = response.body().string();
System.out.println("requestPost restbody===" + restbody);
return restbody;
} else {
System.out.println("服务器端错误: " + response);
}
} catch (IOException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
return "";
}
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