uniProject/pages/demo/demo2.vue

<template>
	<view>
		<writeSign @getBase64="getBase64"></writeSign>
	</view>

</template>

<script>
	import writeSign from "@/components/writeSign/index.vue"
	export default {
		data() {
			return {
				url: '',
			}
		},
		components: {
			writeSign
		},
		methods: {
			getBase64(data) {
					console.log('success',data);
			}
		}
	}
</script>
<style>

</style>