使用okhttp3實現多檔案上傳及表單資料一起上傳
阿新 • • 發佈:2019-02-03
1 建立okhttpClient
- 程式碼如下,上傳檔案設定超時時間30s
OkHttpClient client = new OkHttpClient.Builder()
.writeTimeout(30, TimeUnit.SECONDS)
.build();
建立多檔案上傳的container
- 設定檔案傳輸的編碼與型別
```
MediaType MutilPart_Form_Data = MediaType.parse("multipart/form-data; charset=utf-8" );
- 為防止亂碼,為其它表單資料設定格式
try {
RequestBody bodyParams = RequestBody.create(MutilPart_Form_Data, JSON.toJSONString(params));
- 建立requestBodyBuilder
MultipartBody.Builder requestBodyBuilder = new MultipartBody.Builder()
.setType(MultipartBody.FORM )
.addFormDataPart("keyVo", "", bodyParams);
- 新增批量檔案
//迴圈新增檔案
for (int i = 0; i < pathList.size(); i++) {
File file = new File(pathList.get(i));
requestBodyBuilder.addFormDataPart("files", file.getName(), RequestBody.create(MutilPart_Form_Data, new File(pathList.get(i))));
}
- 建立requestBody並執行,返回結果
RequestBody requestBody = requestBodyBuilder.build();
Request request = new Request.Builder()
.url(ConstBuild.BASE_URL + url)
.post(requestBody)
.build();
Response response = client.newCall(request).execute();
String responseStr=response.body().toString();
Log.w("result","返回結果"+responseStr);
完整程式碼如下
/**
* @param url
* @param pathList
* @throws Exception
*/
public static void upLoadFiles(final String url, final String signPath, final Map<String, Object> params, final List<String> pathList, final MyCallBack<String> myCallBack) {
x.task().run(new Runnable() {
@Override
public void run() {
ToolLog.w("http", "url:\n" + url);
ToolLog.w("http", "請求引數 params:\n" + params.toString());
OkHttpClient client = new OkHttpClient.Builder()
.writeTimeout(30, TimeUnit.SECONDS)
.build();
try {
MediaType MutilPart_Form_Data = MediaType.parse("multipart/form-data; charset=utf-8");
RequestBody bodyParams = RequestBody.create(MutilPart_Form_Data, JSON.toJSONString(params));
MultipartBody.Builder requestBodyBuilder = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
.addFormDataPart("keyVo", "", bodyParams);
//迴圈新增檔案
for (int i = 0; i < pathList.size(); i++) {
File file = new File(pathList.get(i));
requestBodyBuilder.addFormDataPart("imgs", file.getName(), RequestBody.create(MutilPart_Form_Data, new File(pathList.get(i))));
}
RequestBody requestBody = requestBodyBuilder.build();
Request request = new Request.Builder()
.url( url)
.post(requestBody)
.build();
Response response = client.newCall(request).execute();
myCallBack.onSuccess(response.body().string());
} catch (IOException e) {
e.printStackTrace();
myCallBack.onError(new UnknownServiceException("伺服器錯誤"), false);
}
}
});
}
- MyCallBack
只是一個回撥介面,大家可以自定義