<ul class="chat_ul">
                    <template v-for="(item, index) in chat_logArr">
                        <li class="textLeft" :key="index" v-if="item.create_time">
                            <div class="textLeft_box">
                                <div style="width: 35px; height: 35px; margin-right: 15px
 
">
                                    <img style="width: 35px; height: 35px" src="https://placeimg.com/640/480/any" alt="" />
                                </div>
                                <div>
                                    <p>{{ item.content }}</p>
                                    <p>{{ item.chat_time }}</p>
                                </div>
                            </div>
                        </li>
                        <li class
 
="textRight" :key="index" v-if="item.replay_time">
                            <div class="textRight_box clearfix">
                                <div style="margin-right: 15px; display: flex; margin-right: auto; float: right">
                                    <div style="margin-right: 15px
 
">
                                        <p>{{ item.content }}</p>
                                        <p>{{ item.chat_time }}</p>
                                    </div>
                                    <div>
                                        <img style="width: 35px; height: 35px" src="https://placeimg.com/640/480/any" alt="" />
                                    </div>
                                </div>
                            </div>
                        </li>
                    </template>
                </ul>

<style scoped>
.chat_ul {
    height: 300px;
    overflow: auto;
}
.setBox {
    display: flex;
    margin-bottom: 10px;
}
.setBox_d {
    width: 60px;
    text-align: right;
    margin-right: 25px;
}
body {
    font-size: 14px;
}
.triangle {
    margin: 100px auto;
    width: 300px;
    background-color: #ebebe9;
}
.triangle ul {
    padding: 10px;
}
.triangle li {
    padding: 5px;
    margin-bottom: 10px;
}
.triangle li span {
    position: relative;
    border-radius: 7px;
    background-color: #a6e860;
    padding: 6px 10px 8px 10px;
    z-index: 1;
}
.triangle .textLeft span {
    background-color: white;
}
.triangle li.textLeft:before {
    content: url('https://placeimg.com/640/480/any');
    box-sizing: border-box;
    position: relative;
    left: -10px;
    top: 9px;
}
.triangle li.textLeft span:before {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border: 8px solid transparent;
    border-right: 8px solid white;
    position: absolute;
    top: 8px;
    left: -16px;
}
.triangle li.textRight:after {
    content: url('https://placeimg.com/640/480/any');
    box-sizing: border-box;
    position: relative;
    right: -10px;
    top: 9px;
}
.triangle li.textRight span:after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border: 8px solid transparent;
    border-left: 8px solid #a6e860;
    position: absolute;
    top: 8px;
    right: -16px;
}
li {
    list-style: none;
}
.textRight {
    text-align: right;
    width: 100% !important;
}
.textLeft_box {
    display: flex;
}
/* .textRight_box {
    display: flex;
} */
</style>