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<!-- 一个上传事例文件 -->
<template>
    <div>
        <el-button @click="upload">上传</el-button>
    </div>
</template>
 
<script>
    import Bus from '@/js/bus';
    import $ from 'jquery'
    
    export default {
        components: {},
        data() {
            return {}
        },
        mounted() {
            // 文件选择后的回调
            Bus.$on('fileAdded', () => {
                console.log('文件已选择')
            });
 
            // 文件上传成功的回调
            Bus.$on('fileSuccess', () => {
                console.log('文件上传成功')
            });
        },
        computed: {},
        methods: {
            upload() {
                // 打开文件选择框
                Bus.$emit('openUploader', {
                    id: Math.ceil(Math.random()*10000)  ,// 传入的参数
                    
                     
                })
            }
        },
        destroyed() {
            Bus.$off('fileAdded');
            Bus.$off('fileSuccess');
        },
    }
</script>
 
<style scoped lang="scss">
 
</style>