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+<template>
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+ <div id="upload">
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+ <el-upload
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+ v-if="url"
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+ ref="upload"
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+ :action="url"
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+ :list-type="listType"
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+ :file-list="fileList"
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+ :limit="limit"
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+ :on-exceed="outLimit"
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+ :on-preview="handlePictureCardPreview"
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+ :before-remove="handleRemove"
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+ :on-success="onSuccess"
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+ :before-upload="beforeUpload"
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+ :show-file-list="showList"
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+ :accept="accept"
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+ >
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+ <el-button size="small" type="primary" v-if="isBtn">点击上传</el-button>
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+ <template v-else-if="uploadBtn">
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+ <el-button type="danger">选择文件</el-button>
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+ </template>
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+ <template v-else>
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+ <el-button type="primary" size="mini">选择文件</el-button>
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+ </template>
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+ <template #tip v-if="tip">
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+ {{ tip }}
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+ </template>
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+ </el-upload>
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+ <el-dialog :visible.sync="dialogVisible">
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+ <img width="100%" :src="dialogImageUrl" alt="" />
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+ </el-dialog>
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+ </div>
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+</template>
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+
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+<script>
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+import _ from 'lodash';
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+export default {
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+ name: 'upload',
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+ props: {
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+ url: { type: null },
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+ limit: { type: Number },
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+ data: { type: null },
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+ type: { type: String },
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+ isBtn: { type: Boolean, default: false },
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+ uploadBtn: { type: Boolean, default: false },
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+ showList: { type: Boolean, default: true },
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+ accept: { type: String, default: '' },
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+ tip: { type: String, default: undefined },
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+ listType: { type: String, default: 'picture-card' },
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+ },
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+ components: {},
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+ data: () => ({
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+ dialogVisible: false,
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+ dialogImageUrl: '',
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+ fileList: [],
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+ }),
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+ created() {
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+ if (this.data) {
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+ this.defalutProcess(this.data);
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+ }
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+ },
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+ watch: {
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+ data: {
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+ handler(val) {
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+ this.defalutProcess(val);
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+ },
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+ },
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+ },
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+ computed: {},
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+ methods: {
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+ handlePictureCardPreview(file) {
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+ this.dialogImageUrl = file.url;
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+ this.dialogVisible = false;
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+ },
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+ handleRemove(file, fileList) {
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+ console.log(file.url, fileList);
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+ // let index = fileList.findIndex(f => _.isEqual(f, file));
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+ this.$emit('delete', file.url);
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+ // return true;
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+ },
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+ outLimit() {
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+ this.$message.error(`只允许上传${this.limit}个文件`);
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+ },
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+ onSuccess(response, file, fileList) {
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+ //将文件整理好传回父组件
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+ this.$emit('upload', { type: this.type, data: { ...response, name: file.name } });
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+ },
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+ beforeUpload(file) {
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+ const sizeLimit = file.size / 1024 / 1024 < 10;
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+ if (sizeLimit) return true;
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+ else {
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+ this.$message.error('文件超出10M！');
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+ return false;
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+ }
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+ },
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+ defalutProcess(val) {
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+ if (_.isArray(val)) {
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+ let newArr = val.map(item => {
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+ let object = {};
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+ object.name = item.name;
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+ object.url = item.url;
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+ return object;
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+ });
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+ this.$set(this, `fileList`, newArr);
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+ } else if (_.isObject(val)) {
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+ let object = {};
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+ if (_.get(val, `url`)) {
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+ object.name = val.name;
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+ object.url = val.url;
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+ this.$set(this, `fileList`, [object]);
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+ }
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+ } else if (typeof val === 'string') {
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+ this.$set(this, `fileList`, [{ name: '附件', url: val }]);
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+ }
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+ },
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+ },
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+};
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+</script>
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+
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+<style lang="less" scoped></style>
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guhongwei
