<template id=""> ... <croppa v-model="myCroppa" canvas-color="transparent"></croppa> <button @click="generateImage">画像作成</button> <br> <img class="output" :src="imgUrl" > ... </template> <script type="text/javascript"> data: { myCroppa: null, imgUrl: '' }, methods: { generateImage: function() { let url = this.myCroppa.generateDataUrl() if (!url) { alert('no image') return } this.imgUrl = url } } <
