表情文件

const appData = [
    {
        "codes": "1F600",
        "char": "😀",
        "name": "grinning face"
    },
    {
        "codes": "1F603",
        "char": "😃",
        "name": "grinning face with big eyes"
    },
    {
        "codes": "1F604",
        "char": "😄",
        "name": "grinning face with smiling eyes"
    },
    {
        "codes": "1F601",
        "char": "😁",
        "name": "beaming face with smiling eyes"
    },
    {
        "codes": "1F606",
        "char": "😆",
        "name": "grinning squinting face"
    },
    {
        "codes": "1F605",
        "char": "😅",
        "name": "grinning face with sweat"
    },
    {
        "codes": "1F923",
        "char": "🤣",
        "name": "rolling on the floor laughing"
    },
    {
        "codes": "1F602",
        "char": "😂",
        "name": "face with tears of joy"
    },
    {
        "codes": "1F642",
        "char": "🙂",
        "name": "slightly smiling face"
    },
    {
        "codes": "1F643",
        "char": "🙃",
        "name": "upside-down face"
    },
    {
        "codes": "1F609",
        "char": "😉",
        "name": "winking face"
    },
    {
        "codes": "1F60A",
        "char": "😊",
        "name": "smiling face with smiling eyes"
    },
    {
        "codes": "1F607",
        "char": "😇",
        "name": "smiling face with halo"
    },
    {
        "codes": "1F970",
        "char": "🥰",
        "name": "smiling face with hearts"
    },
    {
        "codes": "1F60D",
        "char": "😍",
        "name": "smiling face with heart-eyes"
    },
    {
        "codes": "1F929",
        "char": "🤩",
        "name": "star-struck"
    },
    {
        "codes": "1F618",
        "char": "😘",
        "name": "face blowing a kiss"
    },
    {
        "codes": "1F617",
        "char": "😗",
        "name": "kissing face"
    },
    {
        "codes": "1F61A",
        "char": "😚",
        "name": "kissing face with closed eyes"
    },
    {
        "codes": "1F619",
        "char": "😙",
        "name": "kissing face with smiling eyes"
    },
    {
        "codes": "1F44B",
        "char": "👋",
        "name": "waving hand"
    },
    {
        "codes": "1F91A",
        "char": "🤚",
        "name": "raised back of hand"
    },
    {
        "codes": "1F590",
        "char": "🖐",
        "name": "hand with fingers splayed"
    },
    {
        "codes": "270B",
        "char": "✋",
        "name": "raised hand"
    },
    {
        "codes": "1F596",
        "char": "🖖",
        "name": "vulcan salute"
    },
    {
        "codes": "1F44C",
        "char": "👌",
        "name": "OK hand"
    },
    {
        "codes": "1F90F",
        "char": "🤏",
        "name": "pinching hand"
    },
    {
        "codes": "270C",
        "char": "✌",
        "name": "victory hand"
    },
    {
        "codes": "1F91E",
        "char": "🤞",
        "name": "crossed fingers"
    },
    {
        "codes": "1F91F",
        "char": "🤟",
        "name": "love-you gesture"
    },
    {
        "codes": "1F918",
        "char": "🤘",
        "name": "sign of the horns"
    },
    {
        "codes": "1F919",
        "char": "🤙",
        "name": "call me hand"
    },
    {
        "codes": "1F448",
        "char": "👈",
        "name": "backhand index pointing left"
    },
    {
        "codes": "1F449",
        "char": "👉",
        "name": "backhand index pointing right"
    },
    {
        "codes": "1F446",
        "char": "👆",
        "name": "backhand index pointing up"
    },
    {
        "codes": "1F595",
        "char": "🖕",
        "name": "middle finger"
    },
    {
        "codes": "1F447",
        "char": "👇",
        "name": "backhand index pointing down"
    },
    {
        "codes": "261D FE0F",
        "char": "☝️",
        "name": "index pointing up"
    },
    {
        "codes": "1F44D",
        "char": "👍",
        "name": "thumbs up"
    },
    {
        "codes": "1F44E",
        "char": "👎",
        "name": "thumbs down"
    },
    {
        "codes": "270A",
        "char": "✊",
        "name": "raised fist"
    },
    {
        "codes": "1F44A",
        "char": "👊",
        "name": "oncoming fist"
    },
    {
        "codes": "1F91B",
        "char": "🤛",
        "name": "left-facing fist"
    },
    {
        "codes": "1F91C",
        "char": "🤜",
        "name": "right-facing fist"
    }

]

export default appData;

封装表情包组件

<template>
    <div class="chatIcon">
        <el-popover popper-class="biaoqing" placement="top" :width="400" trigger="click">
            <template #reference>
                <el-button class="emotionSelect"><img src="../assets/img/biaoqing.svg" alt=""></el-button>
            </template>
            <div class="emotionList">
                <a href="javascript:void(0);" @click="getEmo(index)" v-for="(item,index) in faceList" :key="index"
                    class="emotionItem">{{item}}</a>
            </div>
        </el-popover>

    </div>
</template>
<script>
import appData from "../utils/emoji"
export default {
    mounted() {
        for (let i in appData) {
            this.faceList.push(appData[i].char);
        }
    },
    data() {
        return {
            faceList: [],
            emojiItem: null,
        };
    },
    methods: {
        getEmo(index) {
            this.emojiItem = index;
            this.$emit("changeText")
        }
    }
}
</script>
<style scoped>
.emotionSelect {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.emotionSelect img {
    width: 14px;
    height: 14px;
}
.chatIcon {
    padding: 0 10px;
    font-size: 25px;
}
.emotionList {
    display: flex;
    flex-wrap: wrap;
    padding: 5px;
}
.emotionItem {
    width: 10%;
    font-size: 20px;
    text-align: center;
}
/*包含以下四种的链接*/
.emotionItem {
    text-decoration: none;
}
/*正常的未被访问过的链接*/
.emotionItem:link {
    text-decoration: none;
}
/*已经访问过的链接*/
.emotionItem:visited {
    text-decoration: none;
}
/*鼠标划过(停留)的链接*/
.emotionItem:hover {
    text-decoration: none;
}
/* 正在点击的链接*/
.emotionItem:active {
    text-decoration: none;
}
</style>

组件中使用表情包组件

//引入组件
import Emoji from "../../../components/emoji.vue"

//注册组件
  components: { Emoji },
//使用组件
<Emoji ref="getEmoji" @changeText="changeText"></Emoji>
<el-input id="textarea" class="chatInput" type="textarea" :rows="3" placeholder="请输入内容"
                            v-model="message">
                        </el-input>

methods:{
文本编辑
changeText() {
            var textArea = document.getElementById('textarea');
            function changeSelectedText(obj, str) {
                if (window.getSelection) {
                    // 非IE浏览器
                    textArea.setRangeText(str);
                    // 在未选中文本的情况下,重新设置光标位置
                    textArea.selectionStart += str.length;
                    textArea.focus()
                } else if (document.selection) {
                    // IE浏览器
                    obj.focus();
                    var sel = document.selection.createRange();
                    sel.text = str;
                }
            }
            changeSelectedText(textArea, this.$refs.getEmoji.faceList[this.$refs.getEmoji.emojiItem]);
            this.message = textArea.value;// 要同步data中的数据
            // console.log(this.$refs.getEmoji.faceList[this.$refs.getEmoji.emojiItem]);
        },
}

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