我在我的項(xiàng)目中使用 Volley 庫(kù)并得到Unexpected response code 500響應(yīng)。我已經(jīng)徹底搜索了 stackoverflow，但仍然無法找到有效的解決方案。以下是我發(fā)出 GET 字符串請(qǐng)求的代碼 val API = "http://squadtechsolution.com/android/v1/allcompany.php" val requestQueue = Volley.newRequestQueue(mActivity) val stringRequest = StringRequest( Request.Method.GET, API, Response.Listener { response -> Log.i("dxdiag", response) mView.onFetchHttpDataResult(true) Toast.makeText(context, response, Toast.LENGTH_LONG).show() }, Response.ErrorListener { error -> Toast.makeText(context, error.toString(), Toast.LENGTH_LONG).show() Log.i("dxdiag", error.printStackTrace().toString()) mView.onFetchHttpDataResult(false) }) requestQueue.add(stringRequest)以下是堆棧跟蹤2019-09-03 17:15:53.237 3308-3892/com.squadtechs.markhor.foodapp E/Volley: [194] BasicNetwork.performRequest: Unexpected response code 500 for http://squadtechsolution.com/android/v1/allcompany.php2019-09-03 17:15:53.243 3308-3351/com.squadtechs.markhor.foodapp D/EGL_emulation: eglMakeCurrent: 0xa7d84180: ver 2 0 (tinfo 0xa7d832b0)2019-09-03 17:15:53.256 3308-3308/com.squadtechs.markhor.foodapp W/System.err: com.android.volley.ServerError2019-09-03 17:15:53.257 3308-3308/com.squadtechs.markhor.foodapp W/System.err: at com.android.volley.toolbox.BasicNetwork.performRequest(BasicNetwork.java:205)2019-09-03 17:15:53.257 3308-3308/com.squadtechs.markhor.foodapp W/System.err: at com.android.volley.NetworkDispatcher.processRequest(NetworkDispatcher.java:131)2019-09-03 17:15:53.257 3308-3308/com.squadtechs.markhor.foodapp W/System.err: at com.android.volley.NetworkDispatcher.processRequest(NetworkDispatcher.java:111)2019-09-03 17:15:53.257 3308-3308/com.squadtechs.markhor.foodapp W/System.err: at com.android.volley.NetworkDispatcher.run(NetworkDispatcher.java:90)
3 回答
一只甜甜圈
TA貢獻(xiàn)1836條經(jīng)驗(yàn) 獲得超5個(gè)贊
我稍微修改了代碼并在郵遞員中檢查它，它工作正常。
我將 JSON 編碼語句移出了 if 語句。
// output data of each row
while($row = $result->fetch_assoc()) {
$id=$row['id'];
$company_name=$row['company_name'];
$cuisine=$row['cuisine'];
$conpany_phone=$row['conpany_phone'];
$company_description=$row['company_description'];
$company_logo=$row['company_logo'];
$company_type=$row['company_type'];
$delivery_type=$row['delivery_type'];
$delivery_range=$row['delivery_range'];
$delivery_fee=$row['delivery_fee'];
$delivery_pickupinfo=$row['delivery_pickupinfo'];
$address=$row['address'];
$companyData[] = array('id'=> $id,'company_name'=>
$company_name,'cuisine'=> $cuisine,'conpany_phone'=>
$conpany_phone,'company_description'=>
$company_description,'company_logo'=> $company_logo,'company_type'=>
$company_type,'delivery_type'=> $delivery_type,'delivery_range'=>
$delivery_range,'delivery_fee'=>
$delivery_fee,'delivery_pickupinfo'=> $delivery_pickupinfo,'address'=> $address);
}
echo $jsonformat=json_encode($companyData);
$conn->close();
拉風(fēng)的咖菲貓
TA貢獻(xiàn)1995條經(jīng)驗(yàn) 獲得超2個(gè)贊
從服務(wù)器端代碼中刪除以下行并檢查
echo $jsonformat=json_encode($companyData);
同樣不適用于郵遞員
慕容708150
TA貢獻(xiàn)1831條經(jīng)驗(yàn) 獲得超4個(gè)贊
我有一些東西首先在 Gradle 依賴項(xiàng)（庫(kù)）中導(dǎo)入 okhttp。這是文檔
https://square.github.io/okhttp/
打開郵遞員后點(diǎn)擊代碼菜單
正如您在發(fā)送按鈕下方所看到的，代碼按鈕就在那里。單擊它并選擇 java-> okhttp
復(fù)制代碼并將其粘貼到 android studio 中。它有 99.9% 的幾率會(huì)起作用。
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