vue实现简单在线聊天
引用mui的ui库，ES6的 fetch做网络请求
//html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no"/>
<title>vue-chat</title>
<link href="css/mui.min.css" rel="stylesheet"/>
<link rel="stylesheet" type="text/css" href="css/app.css"/>
</head>
<body>
<header class="mui-bar mui-bar-nav">
<a class="mui-action-back mui-icon mui-icon-left-nav mui-pull-left"></a>
<h1 class="mui-title">chat (聊天窗口)</h1>
</header>
<div class="mui-content">
<div id='fh-chat'>
<chat-view ></chat-view>
</div>
</div>
<script src="js/vue.js"></script>
<script src="js/fh-chat.js"></script>
</body>
</html>
// js
const ChatView = Vue.component('chat-view', {
render: function (h) {
var that = this;
return h('div', [
h('ul', {'class': 'msg-list'},
Array.apply(null, that.fhchatdata).map(function (item) {
return h('li', {'class': ['msg-item', item.type === 'send' ? 'msg-item-self' : '']},
[
h('i', {'class': ['mui-icon', item.type === 'send' ? 'msg-user mui-icon-person' : 'msg-user mui-icon-chat']}),
h('div', {'class': 'msg-content'}, [
item.value, h('span', {'class': 'msg-content-arrow'})
])
]
)
})
),
h('footer', {'class': 'chat-footer'}, [
h('input', {
'class': 'input-text',
domProps: {
value: that.newSend
},
on: {
input: function (e) {
that.newSend = e.target.value
},
change: this.toggleIcon
}
}),
h('span', {
'class': ['mui-icon', this.vsend ? 'mui-icon-compose' : 'mui-icon-paperplane'],
on: {
click: this.send
},
}),
])
])
},
data(){
return {
vsend: true,
newSend: '',
fhchatdata: []
}
},
methods: {
toggleIcon(){
this.vsend = !this.vsend
},
send(){
if (this.newSend) {
this.fhchatdata.push({type: 'send', value: this.newSend});
// this.fh_fetch('xurl', 'POST', {type: 'send', value: this.newSend})
}
this.newSend = '';
},
fh_fetch (url = '', type = 'GET', data = {}){
// url = baseUrl + url;
let requestObj = {
credentials: 'include',
method: type,
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json'
},
mode: "no-cors",
};
if (type == 'GET') {
let dataStr = '';
Object.keys(data).forEach(key => {
dataStr += key + '=' + data[key] + '&';
});
if (dataStr !== '') {
dataStr = dataStr.substr(0, dataStr.lastIndexOf('&'));
url = url + '?' + dataStr;
}
} else if (type == 'POST') {
Object.defineProperty(requestObj, 'body', {
value: JSON.stringify(data)
})
} else {
console.log('error')
}
fetch(url, requestObj)
.then(res => {
if (res.status == 200) {
return res.json()
} else {
console.log('error:' + res.status)
}
})
.then(json=> {
this.fhchatdata = json
})
.catch(err=>console.log('error:' + err))
}
},
mounted(){
this.fh_fetch('js/chatData.json')
}
});
new Vue({
el: '#fh-chat',
});
//css
/*online chat*/
.chat-footer {
position: fixed;
bottom: .1rem;
display: -webkit-flex;
display: flex;
-webkit-flex-direction: row;
flex-direction: row;
100%;
height: 3rem;
padding: .1rem 0;
margin: 0 1px;
font-size: 1.6rem;
line-height: 1;
border-top: solid 1px #bbb;
background-color: #fafafa;
}
.chat-footer > .input-text {
-webkit-flex: auto;
flex: auto;
background: #fff;
border: solid 1px #ddd;
}
.chat-footer > span{
color: blue;
padding: 2px;
}
#fh-chat .msg-list {
height: 100%;
overflow: auto;
-webkit-overflow-scrolling: touch;
margin-bottom: 4.5rem !important;
}
.msg-item {
padding: 8px;
clear: both;
}
.msg-item .msg-user {
38px;
height: 38px;
border: solid 1px #d3d3d3;
display: inline-block;
background: #fff;
border-radius: 3px;
vertical-align: top;
text-align: center;
float: left;
padding: 3px;
color: #ddd;
}
.msg-item .msg-content {
display: inline-block;
border-radius: 5px;
border: solid 1px #d3d3d3;
background-color: #FFFFFF;
color: #333;
padding: 8px;
vertical-align: top;
font-size: 15px;
position: relative;
margin: 0 8px;
max- 75%;
min- 35px;
float: left;
}
.msg-item .msg-content .msg-content-inner {
overflow-x: hidden;
}
.msg-item .msg-content .msg-content-arrow {
position: absolute;
border: solid 1px #d3d3d3;
border-right: none;
border-top: none;
background-color: #FFFFFF;
10px;
height: 10px;
left: -5px;
top: 12px;
-webkit-transform: rotateZ(45deg);
transform: rotateZ(45deg);
}
.msg-item-self .msg-user,
.msg-item-self .msg-content {
float: right;
}
.msg-item-self .msg-content .msg-content-arrow {
left: auto;
right: -5px;
-webkit-transform: rotateZ(225deg);
transform: rotateZ(225deg);
}
.msg-item-self .msg-content,
.msg-item-self .msg-content .msg-content-arrow {
background-color: #4CD964;
color: #fff;
border-color: #2AC845;
}