Android Post_Method Json 数组响应 500

Question

我创建了图片中的json文件之类的函数。当我发送一个发布请求时，响应是“意外响应代码 500”。我认为问题是由 json 数组引起的，我不明白为什么会出现这个错误。服务器 url 工作正常，在 swift 上成功发布。谢谢

json_array_requested_from_me

private void CreditCardParams(Map<String, String> requestParameters) {
JSONArray creditCardItems = new JSONArray();
JSONObject item_creditCardItems = new JSONObject();
try {
    item_creditCardItems.put("CC_NUMBER", "1111");
    item_creditCardItems.put("EXP_MONTH", “11”);
    item_creditCardItems.put("EXP_YEAR", “1111");
    item_creditCardItems.put("CC_CVV", “111”);
    item_creditCardItems.put("CC_OWNER", “TEST USER”);
    item_creditCardItems.put("INSTALLMENT_NUMBER", "1");
} catch (JSONException e) {
    e.printStackTrace();
}
creditCardItems.put(item_creditCardItems);
requestParameters.put("CreditCard", (creditCardItems.toString()));

}

private void CustomerParams(Map<String, String> requestParameters) {
JSONArray CustomerItems = new JSONArray();
JSONObject item_Customer = new JSONObject();
try {
    item_Customer.put("FIRST_NAME", "Firstname");
    item_Customer.put("LAST_NAME", "Lastname");
    item_Customer.put("MAIL", "test@test.com");
    item_Customer.put("PHONE", "+11111111");
    item_Customer.put("CITY", "Test");
    item_Customer.put("STATE", "Test");
    item_Customer.put("ADDRESS", "Test");
    item_Customer.put("CLIENT_IP", "111.11.11.11”);
} catch (JSONException e) {
    e.printStackTrace();
}

CustomerItems.put(item_Customer);
requestParameters.put("Customer", (CustomerItems.toString()));

}

private void ProductParams(Map<String, String> requestParameters) {
JSONArray ProductItems = new JSONArray();
JSONObject item_Product = new JSONObject();
try {
    item_Product.put("PRODUCT_ID", "1");
    item_Product.put("PRODUCT_NAME", “1”);
    item_Product.put("PRODUCT_CATEGORY", “Elec.”);
    item_Product.put("PRODUCT_DESCRIPTION", “Info”);
    item_Product.put("PRODUCT_AMOUNT", 15.00);     
} catch (JSONException e) {
    e.printStackTrace();
}
ProductItems.put(item_Product);
requestParameters.put("Product", (ProductItems.toString()));

}

private void ConfigParams(Map<String, String> requestParameters) {
  JSONArray configItems = new JSONArray();
JSONObject item = new JSONObject();
try {
    item.put("MERCHANT", "TEST1234");
    item.put("MERCHANT_KEY", “123”);
    item.put("BACK_URL", "localhost");
    item.put("PRICES_CURRENCY", "USD");
    item.put("ORDER_REF_NUMBER", "RFN0001");
    item.put("ORDER_AMOUNT", 15.00);
} catch (JSONException e) {
    e.printStackTrace();
}
configItems.put(item);
requestParameters.put("Config", (configItems.toString()));

}

    private void post_func(){
StringRequest stringRequest = new StringRequest(Request.Method.POST, url, new Response.Listener<String>() {
    @Override
    public void onResponse(String response) {
        System.out.println(response);
    }
},
        new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {
    System.out.println(error);
            }
        }
){
    @Override
    protected Map<String, String> getParams() {
        Map<String, String> params = new HashMap<String,String>();
        CreditCardParams(params);
        CustomerParams(params);
        ProductParams(params);
        ConfigParams(params);
        return params;
    }
};
RequestQueue requestQueue = Volley.newRequestQueue(this);
requestQueue.add(stringRequest);

}

Answer 1

如您所知，500 server error 是由服务器异常引起的错误。如果您从 postman 等 http 请求发送程序程序发送显示的 JSON 文件时没有收到错误，则问题出在您发送到服务器的 JSON 对象中。