<!DOCTYPE html>
<html lang="zh">
    <head>
        <meta charset="utf-8" />
        <title>FireBase Example</title>
        <script src="https://www.gstatic.com/firebasejs/4.9.1/firebase.js"></script>
        <script>
          // Initialize Firebase
          var config = {
            apiKey: "AIzaSyAOSPYpgn7T_bKa6VbCaSeQlsw-3p3zqDs",
            authDomain: "yiibai-firebase.firebaseapp.com",
            databaseURL: "https://yiibai-firebase.firebaseio.com/",
            projectId: "yiibai-firebase",
            storageBucket: "yiibai-firebase.appspot.com",
            messagingSenderId: "334522625008"
          };
          firebase.initializeApp(config);
          var playersRef = firebase.database().ref().child('players');
          // console.log(playersRef);
          playersRef.set ({
           John: {
              number: 1,
              age: 30
           },

           Amanda: {
              number: 2,
              age: 20
           }
        });
        </script>
    </head>
<body>

執(zhí)行上面示例代碼，得到以下結(jié)果 -

更新

我們可以用類似的方式更新Firebase數(shù)據(jù)。注意我們?nèi)绾问褂?code>players/john路徑。

<!DOCTYPE html>
<html lang="zh">
    <head>
        <meta charset="utf-8" />
        <title>FireBase Example</title>
        <script src="https://www.gstatic.com/firebasejs/4.9.1/firebase.js"></script>
        <script>
          // Initialize Firebase
          var config = {
            apiKey: "AIzaSyAOSPYpgn7T_bKa6VbCaSeQlsw-3p3zqDs",
            authDomain: "yiibai-firebase.firebaseapp.com",
            databaseURL: "https://yiibai-firebase.firebaseio.com/",
            projectId: "yiibai-firebase",
            storageBucket: "yiibai-firebase.appspot.com",
            messagingSenderId: "334522625008"
          };
          firebase.initializeApp(config);
          var johnRef = firebase.database().ref().child('players/John');
          // console.log(playersRef);
         johnRef.update ({
           "number": 1010
        });
        </script>
    </head>
<body>

執(zhí)行上面示例代碼，得到以下結(jié)果 -

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Firebase寫入數(shù)據(jù)

設(shè)置

更新