ectron仿制qq(3) 主界面制作(2)

data(){
mainHeight: parseInt(document.documentElement.clientHeight) - 140 - 40,
}

mounted() {
      window.onresize = () => {
       this.mainHeight = parseInt(document.documentElement.clientHeight) - 140 - 40;
     }
},

 <main :style="{'height':mainHeight+'px'}">
              
</main>

    main
            position: fixed
            overflow-y: hidden
    width: 100%

 <main :class="{showScroll:isShowScroll}" @mouseenter="showScrolls"
              @mouseleave="hideScroll" :style="{'height':mainHeight+'px'}">
            <ul>
                <li v-for="n in 10">
                    <div class="face"><img src="@/assets/img/face.jpg" alt=""></div>
                    <div class="info">
                        <p class="nickname">Hello 老李</p>
                        <p class="msg">最近好吗</p>
                    </div>
                </li>
            </ul>
        </main>

        main
            position: fixed
            overflow-y: hidden
            width: 100%
            li
                height: 60px
                border-bottom: 1px solid #CCC
                display: flex
                cursor: pointer
                &:hover
                    background-color: #B8CBD5
                .face
                    width: 40px
                    padding-top: 10px
                    height: 40px
                    padding-left: 10px
                    img
                        border-radius: 50%
                        width: 100%
                        height: 100%
                .info
                    padding-top: 8px
                    padding-left: 10px
                    p.nickname
                        color: #FF0000
                        font-size: 15px
                    .msg
                        font-size: 12px
                        padding-top: 3px

::-webkit-scrollbar { /*滚动条整体样式*/
    width: 5px; /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

::-webkit-scrollbar-thumb { /*滚动条里面小方块*/
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 5px rgba(228, 57, 60, 0.2);
    background: rgba(20, 20, 50, 0.6);
}

::-webkit-scrollbar-track { /*滚动条里面轨道*/
    -webkit-box-shadow: inset 0 0 5px rgba(228, 57, 60, 0.2);
    border-radius: 10px;
    background: #EDEDED;
}

 :class="{showScroll:isShowScroll}" @mouseenter="showScrolls"
              @mouseleave="hideScroll"

.showScroll {
    overflow-y: scroll !important
}

hideScroll() {
    this.isShowScroll = false
 },
showScroll() {
   this.isShowScroll = true
},

<template>
    <div class="menu" v-if="show" :style="{top:position.y + 'px',left:position.x + 'px'}">
        <ul>
            <li><i class="iconfont icon-qqkongjian"></i><span>发送及时消息</span></li>
            <li class="line">发送电子邮件</li>
            <li>查看资料</li>
            <li>分享他的名片</li>
            <li class="line">消息记录</li>
            <li>会话置顶</li>
            <li>从会话列表移除</li>
            <li class="line">设置权限</li>
            <li>修改备注姓名</li>
            <li>移动分组至</li>
            <li>删除好友</li>
            <li class="line">举报此用户</li>
            <li>好友管理</li>
            <li>进入好友空间</li>
        </ul>
    </div>
</template>

.menu
  width: 180px
  background-color: rgba(255,255,255,0.8)
  border-radius: 4px
  box-shadow: #FFFFFF 0 0 10px
  position: absolute
  top: 150px
  left: 100px
  font-family: "微软雅黑"
  font-size: 14px
  padding: 10px 0
  li
    list-style: none
    height: 30px
    line-height: 30px
    cursor: pointer
    padding-left: 30px
    position: relative
    &:hover
      background-color: #E9EBEC
    i
      position: absolute
      margin-right: 10px
      left: 10px
    &.line
      border-bottom: 1px solid #E8EAEB

    export default {
        props: {
            show: {
                type: Boolean,
                default: false
            },
            position:{
                type: Object
            }
        }
    }