我使用任何其他客户端在url下方进行访问,并获得带有响应正文的api响应:400错误请求
INPUT参数
POST http://SOME.IP:8008/equipment_api/F0-03-8C-C3-D3-CC/832
HEADERS
Content-Type application/json
X-RequestID 1234
BODY
{
"items":[{"updateValue":1, "updateKey": "RESETDEV"}],
"sync":"false"
}
Response :400 Bad Request
{
"error": "RESETDEV is not a valid key."
}
但是Java简单客户端不会显示响应主体。.下面是Java代码..它仅给出400个错误的要求。
public static void main(String[] args) {
try {
String urlParameters = " {\r\n" +
"\"items\":[{\"updateValue\":\"Hi\", \"updateKey\": \"RESETDEV\"}],\r\n" +
"\"sync\":false\r\n" +
"}";
URL url = new URL("http://SOME.IP:8008/equipment_api/F0-03-8C-C3-D3-CC/832");
URLConnection conn = url.openConnection();
conn.setRequestProperty("content-type", "application/json");
conn.setRequestProperty("X-RequestID", "1234");
conn.setDoOutput(true);
OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
writer.write(urlParameters);
writer.flush();
String line;
BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
while ((line = reader.readLine()) != null) {
System.out.println(line);
}
writer.close();
reader.close();
}catch(Exception ex) {
System.out.println("some error :: "+ex.toString());
}
}
答案 0 :(得分:0)
尝试使用以下代码
final String uri = "http://SOME.IP:8008/equipment_api/F0-03-8C-C3-D3-CC/832";
RestTemplate restTemplate = new RestTemplate();
HttpHeaders headers = new HttpHeaders();
headers.setAccept(Arrays.asList(MediaType.APPLICATION_JSON));
HttpEntity<String> entity = new HttpEntity<String>("X-RequestID", "1234");
ResponseEntity<String> result = restTemplate.exchange(uri, HttpMethod.GET, entity, String.class);
System.out.println(result);
使用“尝试捕获”包装。
答案 1 :(得分:0)
对您有用。会起作用
public static void main(String[] args) {
try {
String urlParameters = " {\r\n" +
"\"items\":[{\"updateValue\":\"Hi\", \"updateKey\":
\"RESETDEV\"}],\r\n" +
"\"sync\":false\r\n" +
"}";
URL url = new URL("http:http://SOME.IP:8008/equipment_api/F0-03-
8C-C3-D3-CC/832");
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setRequestProperty("content-type", "application/json");
con.setRequestProperty("X-RequestID", "1234");
con.setDoOutput(true);
OutputStreamWriter writer = new
OutputStreamWriter(con.getOutputStream());
writer.write(urlParameters);
writer.flush();
String line;
//BufferedReader reader = new BufferedReader(new
InputStreamReader(con.getInputStream()));
InputStream is = con.getInputStream();
if(con.getResponseCode() >= 200 && 299 <= con.getResponseCode()) {
is = con.getInputStream();
}else {
is = con.getErrorStream();
}
try (BufferedReader br = new BufferedReader(new InputStreamReader(is,
"utf-8"))) {
while ((line = br.readLine()) != null) {
System.out.println(line);
}
}
writer.close();
// br.close();
}catch(Exception ex) {
System.out.println("some error :: "+ex.toString());
}
}