Vue实现：Ctrl+V粘贴文字图片截图，调用第三方API文字识别OCR内容并进行内容分割识别填充。

<template>
    <div>
        <el-button type="success" icon="el-icon-copy-document"
            @click="pasteText = '', visible = true">快捷粘贴(Ctrl+V)</el-button>
        <el-dialog 
            title="粘贴信息" 
            :visible.sync="visible" 
            append-to-body 
            :close-on-click-modal="false"
            :close-on-press-escape="false"
        >
            <el-input type="textarea" ref="textarea" :rows="10" placeholder="输入文字信息或直接粘贴图片" v-model="pasteText"
                maxlength="1000" show-word-limit @paste="paste"></el-input>
            <i class="upload-bg-img el-icon-picture"></i>
            <div slot="footer" class="dialog-footer">
                <el-button @click="close">取消</el-button>
                <el-button type="primary" @click="ok">确定</el-button>
            </div>
        </el-dialog>
    </div>
</template>
<script>
import $ from 'jquery';//cnpm i jquery -s
export default {
    data() {
        return {
            pasteText: '',
            visible: false,
        };
    },
    destroyed(d) {
        document.removeEventListener('paste', this.paste)
    },
    created() {
        document.addEventListener('paste', this.paste)
    },
    methods: {
        // 粘贴
        paste(event) {
            if (this.visible) return;
            // 文本----------------------------------------
            const text = (event.clipboardData || window.clipboardData).getData('text');
            if (text && text.trim()) {
                // console.log('粘贴的文本', text);
                this.pasteText = text;
                this.handleText(this.pasteText);
                return;
            }
            // 图片----------------------------------------
            let image = null;
            const items = (event.clipboardData || window.clipboardData).items;
            if (!items || items.length === 0) return this.$message.error('当前浏览器不支持本地打开图片，请复制粘贴文本内容！');
            for (let i = 0; i < items.length; i++) {
                if (items[i].type.indexOf('image') !== -1) {
                    image = items[i].getAsFile();
                    break;
                }
            }
            if (image) {
                // console.log('粘贴的图片', image);
                this.handleImage(image);
                return;
            }
            if (!text || !image) return this.$message.error('请粘贴文本或图片');
        },
        handleText(d) {
            let aa = d
                .replace(/\n(\n)*( )*(\n)*\n/g, "\n")//去掉多余空行
                .split('\n');//每一行作为一条数据
            let r = [];
            for (let i = 0, len = aa.length; i < len; i++) {
                let a = aa[i].trim().replace(/\s+/g, " ");//将连续多余空格缩减为一个空格
                a && r.push(a.split(" "));
            }
            this.$emit('result', r);
        },
        handleImage(d) {
            const reader = new FileReader();
            reader.readAsDataURL(d);
            reader.onload = e => {
                // e.target.result 即为base64结果
                let data = { image: e.target.result }
                data = JSON.stringify(data);
                // 粘贴上传图片接口调用（帮助文档：https://www.apispace.com/eolink/api/ocrbase/apiDocument#scroll=0） 
                $.ajax({
                    url: "https://eolink.o.apispace.com/ocrbase/ocr/v1/base",
                    method: "POST",
                    headers: {
                        "X-APISpace-Token": "自己去www.apispace.com申请",
                        "Authorization-Type": "apikey",
                        "Content-Type": "application/json"
                    },
                    data,
                    crossDomain: true
                })
                    .done(d => {
                        this.pasteText = d.words_result.map(v => v.word).join('\n')
                        this.visible = true;
                    })
                    .fail(d => {
                        this.$message.error(JSON.parse(d.responseText).msg);
                    });
            };
        },
        // 取消
        close(d) {
            this.visible = false;
        },
        // 确定
        ok(d) {
            if (this.pasteText && this.pasteText.trim()) {
                this.handleText(this.pasteText);
                this.close();
            } else this.$message.error(this.$refs.textarea.$el.querySelector("textarea").placeholder);
        },
    }
};
</script>
<style lang="scss" scoped>
.dialog-footer {
    display: flex;
    &>* {
        width: 100%;
    }
}
>>>.el-textarea {
    z-index: 1;
    .el-textarea__inner {
        min-height: 200px !important;
        max-height: 500px;
        background-color: transparent;
    }
}
.upload-bg-img {
    display: block;
    position: absolute;
    margin: auto;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100px;
    height: 100px;
    font-size: 100px;
    transform: translateY(-10px);
    color: #eee;
    pointer-events: none;
    z-index: 0;
}
</style>

<paste @result="pasteResult"></paste>
...
import paste from "@/vue/components/paste";
...
components: {
    paste,
},
...
pasteResult(d) {
    console.log(JSON.stringify(d, null, 2));//输入内容见下面gif截图
},