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페이스 북을 사용하여 내 웹 사이트에 로그인하려고합니다. 로그인 버튼을 두 번 클릭해야하는 얼굴을 제외하고 모든 것이 잘 작동합니다. 처음으로 나를 페이스 북에 로그인하는 것처럼 보이고 두 번째 시간은 fb.login 함수를 호출하는 것 같습니다. 아래는 제 코드입니다. 클릭 한 번으로 전체 프로세스를 수행 할 수 있습니까?내 웹 사이트에 페이스 북 로그인
----- LOGIN BUTTON ----
<a class="btn-auth btn-facebook" href="##" onclick="checkLoginState();" >
<i class="fa fa-facebook fa-lg"></i>
<span>Sign in with Facebook</span>
</a>
---- JAVASCRIPT ----
// This is called with the results from from FB.getLoginStatus().
function statusChangeCallback(response) {
console.log('statusChangeCallback');
console.log(response);
// The response object is returned with a status field that lets the
// app know the current login status of the person.
// Full docs on the response object can be found in the documentation
// for FB.getLoginStatus().
if (response.status === 'connected') {
// Logged into your app and Facebook.
testAPI();
} else if (response.status === 'not_authorized') {
// The person is logged into Facebook, but not your app.
FB.login();
} else {
// The person is not logged into Facebook, so we're not sure if
// they are logged into this app or not.
FB.login();
}
}
// This function is called when someone finishes with the Login
// Button. See the onlogin handler attached to it in the sample
// code below.
function checkLoginState() {
FB.getLoginStatus(function(response) {
statusChangeCallback(response);
});
}
window.fbAsyncInit = function() {
FB.init({
appId : 'xxxxxxxxxxxxxx',
cookie : true,
xfbml : true,
version : 'v2.1'
});
};
function logoutUser() {
FB.logout(function(response) {
window.location.reload();
});
return false;
}
(function(d, s, id){
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) {return;}
js = d.createElement(s); js.id = id;
js.src = "//connect.facebook.net/en_US/sdk.js";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
// Here we run a very simple test of the Graph API after login is
// successful. See statusChangeCallback() for when this call is made.
function testAPI() {
console.log('Welcome! Fetching your information.... ');
FB.api('/me', function(response) {
var fbName = response.name;
if(response.location){
var location = response.location.name;
}else{
var location = '';
}
var fbLoginPrefix = 'fb_';
var params = "Name="+response.name+"&Id="+response.id+"&Email="+response.email+"&Location="+location+"&LoginPrefix="+fbLoginPrefix;
$.ajax({
type: "POST",
url: "/iCareWallet/services/login.cfm",
data: params,
dataType: "html",
success: function(resp)
{
if(resp == 0){
window.location = "/my-profile"
}else{
window.location = "/join-icw/params/display/editprofile"
}
},
error: function (json, status, e)
{
alert("There was a problem login in. Please try again");
}
});
console.log('Successful login for: ' + response.name);
})
, {scope:'email'};
}