iview上传文件案例

最新推荐文章于 2023-08-22 20:39:28 发布

转载最新推荐文章于 2023-08-22 20:39:28 发布 · 2.2k 阅读

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原文链接：https://my.oschina.net/zgysyy/blog/1560039

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#java #c# #后端

2019独角兽企业重金招聘Python工程师标准>>>

<template>
    <div class="demo-upload-list" v-for="item in uploadList">
        <template v-if="item.status === 'finished'">
            ![](item.url)
            <div class="demo-upload-list-cover">
                <Icon type="ios-eye-outline" @click.native="handleView(item.name)"></Icon>
                <Icon type="ios-trash-outline" @click.native="handleRemove(item)"></Icon>
            </div>
        </template>
        <template v-else>
            <Progress v-if="item.showProgress" :percent="item.percentage" hide-info></Progress>
        </template>
    </div>
    <Upload
        ref="upload"
        :show-upload-list="false"
        :default-file-list="defaultList"
        :on-success="handleSuccess"
        :format="['jpg','jpeg','png']"
        :max-size="2048"
        :on-format-error="handleFormatError"
        :on-exceeded-size="handleMaxSize"
        :before-upload="handleBeforeUpload"
        multiple
        type="drag"
        action="//jsonplaceholder.typicode.com/posts/"
        style="display: inline-block;width:58px;">
        <div style="width: 58px;height:58px;line-height: 58px;">
            <Icon type="camera" size="20"></Icon>
        </div>
    </Upload>
    <Modal title="查看图片" v-model="visible">
        ![]('https://o5wwk8baw.qnssl.com/' + imgName + '/large')
    </Modal>
</template>
<script>
    export default {
        data () {
            return {
                defaultList: [
                    {
                        'name': 'a42bdcc1178e62b4694c830f028db5c0',
                        'url': 'https://o5wwk8baw.qnssl.com/a42bdcc1178e62b4694c830f028db5c0/avatar'
                    },
                    {
                        'name': 'bc7521e033abdd1e92222d733590f104',
                        'url': 'https://o5wwk8baw.qnssl.com/bc7521e033abdd1e92222d733590f104/avatar'
                    }
                ],
                imgName: '',
                visible: false,
                uploadList: []
            }
        },
        methods: {
            handleView (name) {
                this.imgName = name;
                this.visible = true;
            },
            handleRemove (file) {
                // 从 upload 实例删除数据
                const fileList = this.$refs.upload.fileList;
                this.$refs.upload.fileList.splice(fileList.indexOf(file), 1);
            },
            handleSuccess (res, file) {
                // 因为上传过程为实例，这里模拟添加 url
                file.url = 'https://o5wwk8baw.qnssl.com/7eb99afb9d5f317c912f08b5212fd69a/avatar';
                file.name = '7eb99afb9d5f317c912f08b5212fd69a';
            },
            handleFormatError (file) {
                this.$Notice.warning({
                    title: '文件格式不正确',
                    desc: '文件 ' + file.name + ' 格式不正确，请上传 jpg 或 png 格式的图片。'
                });
            },
            handleMaxSize (file) {
                this.$Notice.warning({
                    title: '超出文件大小限制',
                    desc: '文件 ' + file.name + ' 太大，不能超过 2M。'
                });
            },
            handleBeforeUpload () {
                const check = this.uploadList.length < 5;
                if (!check) {
                    this.$Notice.warning({
                        title: '最多只能上传 5 张图片。'
                    });
                }
                return check;
            }
        },
        mounted () {
            this.uploadList = this.$refs.upload.fileList;
        }
    }
</script>

转载于:https://my.oschina.net/zgysyy/blog/1560039