<template>
    <el-container>
        <el-main>
            <el-card style="background-color: #F5F7FA">
                <div>
                    <el-upload
                            class="upload-demo"
                            action="https://jsonplaceholder.typicode.com/posts/"
                            :on-preview="handlePreview"
                            :on-remove="handleRemove"
                            :before-remove="beforeRemove"
                            multiple
                            :limit="3"
                            :on-exceed="handleExceed"
                            :file-list="fileList">
                        <el-button size="small" type="primary">点击上传</el-button>
                        <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
                    </el-upload>
                </div>
            </el-card>
        </el-main>
    </el-container>
</template>

<script>
    export default {
        data() {
            return {
                fileList: [{name: 'food.jpeg', url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100'}, {name: 'food2.jpeg', url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100'}]
            };
        },
        methods: {
            handleRemove(file, fileList) {
                console.log(file, fileList);
            },
            handlePreview(file) {
                console.log(file);
            },
            handleExceed(files, fileList) {
                this.$message.warning(`当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${files.length + fileList.length} 个文件`);
            },
            beforeRemove(file, fileList) {
                return this.$confirm(`确定移除 ${ file.name }？`);
            }
        }
    }
</script>

<style scoped>

</style>