shar0 · January 10, 2017 06:08
diff --git a/firebase_vuejs.html b/firebase_vuejs.html
 <!doctype html>
 <html>
 <head>
    <title>Firebase + VueJS</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <script src="//www.gstatic.cn/firebasejs/3.6.4/firebase.js"></script>
    <script src="//cdnjs.cloudflare.com/ajax/libs/vue/2.1.8/vue.js"></script>
    <script src="//unpkg.com/[email protected]"></script>
    <style>
        * {
            padding: 0;
            margin: 0;
        }

        body {
            font-family: 'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-color: #fff;
            color: #0D2C54;
        }

        ul, li {
            list-style: none;
        }

        label {
            color: #7FB800;
        }

        input[type="text"],
        textarea {
            width: 250px;
            border: none;
            background: #ededed;
            border-radius: 4px;
            color: #666;
            padding: 5px;
            font-size: 1em;
            resize: none;
            outline: none;
        }

        textarea {
            height: 90px;
        }

        input[type="text"]:focus,
        textarea:focus {
            border-color: #00A6ED;
        }

        input[type=submit] {
            border-radius: 4px;
            border: 0;
            width: 80px;
            height: 25px;
            background: #00A6ED;
            color: white;
        }

        .form-row {
            margin-top: 10px;
        }

        .room-selector {
            position: fixed;
            left: 0;
            right: 0;
            color: white;
            padding: 10px 20px;
            background-color: #7FB800;
        }

        .room-selector label {
            color: white;
        }

        .room-selector label + label {
            margin-left: 10px;
        }

        .message-list {
            padding: 10px 20px;
        }

        .message-list li {
            font-size: 1.2em;
        }

        .message-list li + li {
            margin-top: 10px;
        }

        .message-list .status {
            color: #999;
            font-size: .8em;
        }

        .chat-form {
            padding: 80px 20px 10px;
        }

        footer {
            padding: 10px 20px;
            background: #FFB400;
            color: white;
        }
    </style>
 </head>
 <body>

 <div id="app">
    <div is="room-selector" @selected="changeRoom"></div>
    <div is="chat-form" :room-id="currentRoomId"></div>
    <div is="message-list" :room-id="currentRoomId"></div>
 </div>

 <footer>基于 Firebase & VueJS</footer>

 <script type="text/x-template" id="room-selector-template">
    <div class="room-selector">
        <h2>
            <strong>聊天室</strong>
        </h2>
        <label v-for="item, key in roomNames">
            <input type="radio" v-model="currentRoomId" :value="item['.key']">
            <span>{{item[".value"]}}</span>
        </label>
    </div>
 </script>

 <script type="text/x-template" id="message-list-template">
    <div class="message-list">
        <ul>
            <li class="item" v-for="item in sortedList">
                <div class="message">
                    <span>{{item["message"]}}</span>
                </div>
                <div class="status"><b>{{item["name"]}}</b> {{item["timestamp"] | date}}</div>
            </li>
        </ul>
    </div>
 </script>

 <script type="text/x-template" id="chat-form-template">
    <div class="chat-form">
        <div class="form-row">
            <input id="name" type="text" v-model="name" placeholder="昵称"/>
        </div>
        <div class="form-row">
            <textarea v-model="message" cols="30" rows="10" placeholder="信息"></textarea>
        </div>
        <div class="form-row">
            <input type="submit" @click="newMessage" value="发送">
        </div>
    </div>
 </script>

 <script>
    // Setup Firebase
    var config = {
        apiKey: "AIzaSyDdVuy8ffXw0ql3crasRcczy82YeVtC7fU",
        authDomain: "frontend-chatroom.firebaseapp.com",
        databaseURL: "https://frontend-chatroom.firebaseio.com"
    };

    var fb = firebase.initializeApp(config);

    var roomNamesRef = firebase.database().ref('room_names');
    var messagesRef = firebase.database().ref('messages');

    Vue.component('room-selector', {
        template: '#room-selector-template',
        data: function () {
            return {
                currentRoomId: null
            }
        },
        watch: {
            roomNames: function (val, oldVal) {
                // Pick up first chat room
                if (typeof val !== "undefined" && val.length > 0) {
                    this.currentRoomId = val[0]['.key'];
                }
            },
            currentRoomId: function (val, oldVal) {
                this.$emit("selected", val);
            }
        },
        firebase: {
            roomNames: roomNamesRef
        }
    });

    Vue.component('message-list', {
        template: '#message-list-template',
        props: ["roomId"],
        firebase: {
            list: messagesRef.child(0)
        },
        filters: {
            date: function (time) {
                var theDate = new Date(time);
                return theDate.toGMTString();
            }
        },
        computed: {
            sortedList: function () {
                return this.list.reverse()
            }
        },
        watch: {
            roomId: function () {
                this.$bindAsArray('list', messagesRef.child(this.roomId).orderByChild("timestamp").limitToLast(25));
            }
        }
    });

    Vue.component('chat-form', {
        template: '#chat-form-template',
        props: ["roomId"],
        data: function () {
            return {
                "message": null,
                "name": null
            }
        },
        methods: {
            newMessage: function () {
                messagesRef.child(this.roomId).push({
                    message: this.message,
                    name: this.name,
                    timestamp: firebase.database.ServerValue.TIMESTAMP
                });
                this.message = null;
            }
        }
    });

    var App = new Vue({
        el: '#app',
        data: function () {
            return {
                currentRoomId: null
            }
        },
        methods: {
            changeRoom: function (roomId) {
                this.currentRoomId = roomId;
            }
        }
    });
 </script>
 </body>
 </html>
	<!doctype html>
	<html>
	<head>
	<title>Firebase + VueJS</title>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
	<script src="//www.gstatic.cn/firebasejs/3.6.4/firebase.js"></script>
	<script src="//cdnjs.cloudflare.com/ajax/libs/vue/2.1.8/vue.js"></script>
	<script src="//unpkg.com/[email protected]"></script>
	<style>
	* {
	padding: 0;
	margin: 0;
	}

	body {
	font-family: 'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif;
	font-size: 15px;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	background-color: #fff;
	color: #0D2C54;
	}

	ul, li {
	list-style: none;
	}

	label {
	color: #7FB800;
	}

	input[type="text"],
	textarea {
	width: 250px;
	border: none;
	background: #ededed;
	border-radius: 4px;
	color: #666;
	padding: 5px;
	font-size: 1em;
	resize: none;
	outline: none;
	}

	textarea {
	height: 90px;
	}

	input[type="text"]:focus,
	textarea:focus {
	border-color: #00A6ED;
	}

	input[type=submit] {
	border-radius: 4px;
	border: 0;
	width: 80px;
	height: 25px;
	background: #00A6ED;
	color: white;
	}

	.form-row {
	margin-top: 10px;
	}

	.room-selector {
	position: fixed;
	left: 0;
	right: 0;
	color: white;
	padding: 10px 20px;
	background-color: #7FB800;
	}

	.room-selector label {
	color: white;
	}

	.room-selector label + label {
	margin-left: 10px;
	}

	.message-list {
	padding: 10px 20px;
	}

	.message-list li {
	font-size: 1.2em;
	}

	.message-list li + li {
	margin-top: 10px;
	}

	.message-list .status {
	color: #999;
	font-size: .8em;
	}

	.chat-form {
	padding: 80px 20px 10px;
	}

	footer {
	padding: 10px 20px;
	background: #FFB400;
	color: white;
	}
	</style>
	</head>
	<body>

	<div id="app">
	<div is="room-selector" @selected="changeRoom"></div>
	<div is="chat-form" :room-id="currentRoomId"></div>
	<div is="message-list" :room-id="currentRoomId"></div>
	</div>

	<footer>基于 Firebase & VueJS</footer>

	<script type="text/x-template" id="room-selector-template">
	<div class="room-selector">
	<h2>
	<strong>聊天室</strong>
	</h2>
	<label v-for="item, key in roomNames">
	<input type="radio" v-model="currentRoomId" :value="item['.key']">
	<span>{{item[".value"]}}</span>
	</label>
	</div>
	</script>

	<script type="text/x-template" id="message-list-template">
	<div class="message-list">
	<ul>
	<li class="item" v-for="item in sortedList">
	<div class="message">
	<span>{{item["message"]}}</span>
	</div>
	<div class="status"><b>{{item["name"]}}</b> {{item["timestamp"] \| date}}</div>
	</li>
	</ul>
	</div>
	</script>

	<script type="text/x-template" id="chat-form-template">
	<div class="chat-form">
	<div class="form-row">
	<input id="name" type="text" v-model="name" placeholder="昵称"/>
	</div>
	<div class="form-row">
	<textarea v-model="message" cols="30" rows="10" placeholder="信息"></textarea>
	</div>
	<div class="form-row">
	<input type="submit" @click="newMessage" value="发送">
	</div>
	</div>
	</script>

	<script>
	// Setup Firebase
	var config = {
	apiKey: "AIzaSyDdVuy8ffXw0ql3crasRcczy82YeVtC7fU",
	authDomain: "frontend-chatroom.firebaseapp.com",
	databaseURL: "https://frontend-chatroom.firebaseio.com"
	};

	var fb = firebase.initializeApp(config);

	var roomNamesRef = firebase.database().ref('room_names');
	var messagesRef = firebase.database().ref('messages');

	Vue.component('room-selector', {
	template: '#room-selector-template',
	data: function () {
	return {
	currentRoomId: null
	}
	},
	watch: {
	roomNames: function (val, oldVal) {
	// Pick up first chat room
	if (typeof val !== "undefined" && val.length > 0) {
	this.currentRoomId = val[0]['.key'];
	}
	},
	currentRoomId: function (val, oldVal) {
	this.$emit("selected", val);
	}
	},
	firebase: {
	roomNames: roomNamesRef
	}
	});

	Vue.component('message-list', {
	template: '#message-list-template',
	props: ["roomId"],
	firebase: {
	list: messagesRef.child(0)
	},
	filters: {
	date: function (time) {
	var theDate = new Date(time);
	return theDate.toGMTString();
	}
	},
	computed: {
	sortedList: function () {
	return this.list.reverse()
	}
	},
	watch: {
	roomId: function () {
	this.$bindAsArray('list', messagesRef.child(this.roomId).orderByChild("timestamp").limitToLast(25));
	}
	}
	});

	Vue.component('chat-form', {
	template: '#chat-form-template',
	props: ["roomId"],
	data: function () {
	return {
	"message": null,
	"name": null
	}
	},
	methods: {
	newMessage: function () {
	messagesRef.child(this.roomId).push({
	message: this.message,
	name: this.name,
	timestamp: firebase.database.ServerValue.TIMESTAMP
	});
	this.message = null;
	}
	}
	});

	var App = new Vue({
	el: '#app',
	data: function () {
	return {
	currentRoomId: null
	}
	},
	methods: {
	changeRoom: function (roomId) {
	this.currentRoomId = roomId;
	}
	}
	});
	</script>
	</body>
	</html>