callback();
};
ws.onclose = function (e) {
console.log("服务器关闭")
};
ws.onerror = function () {
console.log("服务器出错")
};
ws.onmessage = function (e) {
that.list = [...that.list, {type: "robot", content: e.data}] }
}
}
},
watch: {
//监听list,当有修改的时候进行div的屏幕滚动，确保能看到最新的聊天
list: function () {
let that = this;
setTimeout(() => {
that.$refs.box.scrollTop = that.$refs.box.scrollHeight;
}, 0);
//加setTimeout的原因：由于vue采用虚拟dom，我每次生成新的消息时获取到的div的scrollHeight的值是生成新消息之前的值，所以造成每次都是最新的那条消息被隐藏掉了
}
},
mounted() {
}
};
</script>
<style scoped lang="scss">
.test3 {
text-align: center;
}
.msg {
width: 100px;
height: 100px;
overflow: auto;
padding-top: 5px;
border: 1px solid red;
display: inline-block;
margin-bottom: 6px;
.msg-item {
position: relative;
overflow: hidden;
p {
display: inline-block;
border-radius: 40px;
background: #3C3D5A;
color: white;
float: left;
padding: 2px 12px;
margin: 0 0 2px 0;
max-width: 70%;
text-align: left;
box-sizing: border-box;
}
&.mine {
p {
float: right;
background: aquamarine;
color: white;
}
}
}
}
</style>
看一下最终效果：
