我正在尝试将文件上传到服务器。使用Postman工具时,请求工作正常。
在邮递员中,我有:
POST :https://transport-stg.transperfect.com/api/files/upload?filename=test.png&targetFolderId=2ff5ea6a-8187-4622-ab58-c7511c445ae7
在标题中,我有:
Content-Type = multipart/form-data
Authorixation = Bearer access_code
在身体上,我有:
file = test.txt (this is file to be uploaded,able to select file location in Postman)
以上内容在邮递员工具中按预期工作。
现在,我使用HttpClient 4.5.6在Java中编写了以下代码,
try {
CloseableHttpClient httpClient = HttpClients.createDefault();
File file = new File("C:\\Users\\lKadariya\\Desktop\\test.txt");
String authorizationValue = "Bearer "+accessToken;
HttpEntity data = MultipartEntityBuilder.create()
.setMode(HttpMultipartMode.BROWSER_COMPATIBLE)
.addBinaryBody("srcUploader",file,ContentType.DEFAULT_BINARY,file.getName())
.build();
HttpUriRequest request = RequestBuilder.post("https://transport-stg.transperfect.com/api/files/upload")
.addHeader("Content-Type","multipart/form-data")
.addHeader("Authorization",authorizationValue)
.addHeader("Accept","application/json")
.addParameter("filename","test.txt")
.addParameter("targetFolderId","2ff5ea6a-8187-4622-ab58-c7511c445ae7")
.setEntity(data)
.build();
ResponseHandler<String> responseHandler = response -> {
int status = response.getStatusLine().getStatusCode();
if (status >= 200 && status < 300) {
HttpEntity entity = response.getEntity();
return entity != null ? EntityUtils.toString(entity) : null;
} else {
throw new ClientProtocolException("Unexpected response status: " + status);
}
};
String responseBody = httpClient.execute(request, responseHandler);
而且我无法上传文件。错误:无法从服务器上载文件。邮递员正在做出预期的响应。
上面的Httpclient代码有什么问题?
OKhttp库也可以正常工作
OkHttpClient client = new OkHttpClient();
RequestBody requestBody = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
// .addPart(
// Headers.of("Content-Disposition", "form-data; name=\"title\""),
// RequestBody.create(null, "test"))
.addPart(
Headers.of("Content-Disposition", "form-data; name=\"test\""),
RequestBody.create(MEDIA_TYPE_TXT, new File("test.txt")))
// .addFormDataPart("file","file.txt",
// RequestBody.create(MediaType.parse("application/octet-stream"),new File("test.txt"))
// )
.build();
Request request = new Request.Builder()
.header("Authorization", "Bearer " + accessToken)
.url("https://transport-stg.transperfect.com/api/files/upload?filename=basic.txt&targetFolderId=2ff5ea6a-8187-4622-ab58-c7511c445ae7")
.post(requestBody)
.header("Content-Type","multipart/form-data")
.build();
try {
Response response = client.newCall(request).execute();
HttpClient代码可能出什么问题?
HttpUriRequest request = RequestBuilder.post("https://transport-stg.transperfect.com/api/files/upload")
.addHeader("Content-Type","multipart/form-data")
Content-Type
您的代码中的值无效,因为它不包含boundary
参数。
您不应Content-Type
在请求级别插入标头,而应让HttpClient根据包含的请求实体的属性自动生成标头。
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