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我想知道是什麼讓我的url.openConnection
出錯。 錯誤是:爲什麼我在url.openConnection()下變爲紅色下劃線()
未處理的異常
這裏是代碼:
switch (v.getId()){
case R.id.loginbtn:
String link;
String username = uname.getText().toString();
String password = upass.getText().toString();
HttpURLConnection urlConnection = null;
try {
String u = "http://127.0.0.1/android/login.php";
URL url = new URL(u);
String urlParams = "username="+username+"&password"+password;
urlConnection = (HttpURLConnection) url.openConnection();
} catch (MalformedURLException e) {
e.printStackTrace();
} finally {
urlConnection.disconnect();
}
讓IDE自動完成錯誤修復 –