我有一个接收 byte[] serialData
的WCF服务,现在我正在开发一个需要调用相同方法的Java客户端。
当我将字节数组作为JSON POST请求发送到服务时,它会抛出一个异常,如下所示:java.io.IOException: Server returned HTTP response code: 400
以下是我的代码:
WCF 方法:
[OperationContract]
[WebInvoke(Method = "POST", ResponseFormat = WebMessageFormat.Json, UriTemplate = "saveSerialNumbers", BodyStyle = WebMessageBodyStyle.WrappedRequest)]
Dictionary<string, object> saveSerialNumbers(byte[] serialData);
Java客户端:
for (int i = 1; i < 100; i++) {
sb.append(String.valueOf(gen()));
}
byte[] bytesEncoded = Base64.encodeBase64(sb.toString().getBytes());
String json = "{\"serialDataByte\":\""+sb.toString()+"\"}";
这是我的post请求方法:
public String getResultPOST(String jsonObject,String uri,String method) throws Exception{
try {
URL url = new URL(uri+method);
System.out.println(url.toString());
URLConnection connection = url.openConnection();
connection.setDoOutput(true);
connection.setRequestProperty("Content-Type", "application/json");
connection.setConnectTimeout(5000);
connection.setReadTimeout(5000);
OutputStreamWriter out;
try {
out = new OutputStreamWriter(connection.getOutputStream());
out.write(jsonObject);
out.close();
} catch (Exception e) {
/
// TODO Auto-generated catch block
e.printStackTrace();
}
String line = "";
StringBuilder builder = new StringBuilder();
BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
while ((line = in.readLine()) != null) {
builder.append(line);
}
in.close();
return builder.toString();
} catch (Exception e) {
throw e;
//here is the exception
}
}
这是我的方法调用:
String json = "{\"serialData\":\""+ new String(bytesEncoded) +"\",\"guProductID\":\""+guProductID+"\",\"guStoreID\":\""+guStoreID+"\",\"securityToken\":\""+SecurityToken+"\"}";
String serialContract = serialClient.getResultPOST(json, "http://localhost:3361/EcoService.svc/Json/", "saveSerialNumbers");
String json = "{\"serialDataByte\":\"" + new String(bytesEncoded) + "\"}";
。 - user784540