提交 | 用户 | age
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<template> |
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<div> |
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<!-- 上传图片组件(多图) --> |
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<el-upload |
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id="UploadMultipleImg" |
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ref="refUploadImg" |
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:accept="accept" |
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:auto-upload="false" |
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list-type="picture-card" |
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:class="{disabled:uploadDisabled}" |
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action="#" |
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:limit="limit" |
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drag |
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multiple |
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:file-list="uploadImgs" |
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:on-change="addUploadImg" |
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:on-remove="delUploadImg" |
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:http-request="uploadImg" |
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:on-preview="uploadPreview" |
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:before-upload="beforeUploadImg" |
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size="mini" |
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> |
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<i class="el-icon-plus" /> |
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</el-upload> |
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<!-- upload放大图片 --> |
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<el-dialog :visible.sync="uploadPreviewVisible" append-to-body style="text-align:center"> |
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<img style="max-width:100%" :src="uploadPreviewUrl" alt=""> |
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</el-dialog> |
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</div> |
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</template> |
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<script> |
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import mixin_upload from '@/mixins/upload.js' // 通用上传图片预览 |
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export default { |
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mixins: [mixin_upload], |
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model: { |
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prop: 'uploadImgs', |
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event: 'change' |
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}, |
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props: { |
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uploadImgs: { |
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type: Array, |
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default: () => { |
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return [] |
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} |
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}, |
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accept: { |
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type: String, |
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default: () => { |
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return 'image/jpeg,image/jpg,image/gif,image/png' |
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} |
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}, |
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limit: { |
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type: Number, |
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default: 9 |
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} |
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}, |
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data() { |
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return { |
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callback: null |
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} |
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}, |
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computed: { |
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uploadDisabled() { |
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return this.uploadImgs.length >= this.limit |
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} |
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}, |
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methods: { |
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// 上传图片 ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓ |
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// 上传前确认格式 |
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beforeUploadImg(file) { |
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const isImg = file.type.indexOf('image/') > -1 |
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const isTooLarge = file.size / 1024 / 1024 > 4 |
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let flag = true |
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if (!isImg) { |
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this.$message.error('必须是选择图片文件') |
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flag = false |
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} else if (isTooLarge) { |
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this.$message.error('请勿上传大于4MB的图片') |
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flag = false |
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} |
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return flag |
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}, |
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// 增加图片 |
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addUploadImg(file, fileList) { |
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this.$emit('change', fileList) |
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}, |
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// 删除图片 |
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delUploadImg(file, fileList) { |
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this.$emit('change', fileList) |
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}, |
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// 执行上传商品图 |
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runUploadImg(suc_cb) { |
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console.log('runUploadImg!!!!!') |
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if (this.checkNeedUpload(this.uploadImgs)) { |
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this.callback = suc_cb |
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this.$refs.refUploadImg.submit() |
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} else { |
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suc_cb && suc_cb(this.uploadImgs) |
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} |
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}, |
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// 上传商品图 |
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uploadImg(res) { |
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console.log(res) |
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const file = res.file |
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const formData = new FormData() |
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formData.append('file', file) |
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console.log(formData) |
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this.postFN({ |
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url: 'admin/image/upload?folderCode=IMG', |
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header: { 'Content-Type': 'multipart/form-data' }, |
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params: formData, |
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mockData: { |
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code: 100, |
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msg: '', |
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data: { |
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imgUrl: 'xxxx' |
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} |
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} |
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}, (inf) => { |
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console.log('上传图片成功') |
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// 根据uid 替换掉未上传的图片 |
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var uploadImgs = this.uploadImgs |
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uploadImgs.forEach((o, i) => { |
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if (o.uid === res.file.uid) uploadImgs[i] = { url: inf.imgUrl, status: 'success' } |
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}) |
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this.uploadImgs = JSON.parse(JSON.stringify(uploadImgs)) |
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// 触发change时间激活v-model |
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this.$emit('change', uploadImgs) |
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console.log('上传图片结束') |
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// 上传结束 |
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if (!this.checkNeedUpload(this.uploadImgs)) { |
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console.log('上传轮播图结束') |
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this.callback && this.callback(this.uploadImgs) |
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} |
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}) |
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} |
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// 上传图片 ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑ |
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} |
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} |
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</script> |
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<style> |
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.disabled .el-upload--picture-card { |
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display: none; |
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} |
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.el-upload-list--picture-card{ |
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line-height: 1; |
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} |
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.el-upload-list--picture-card .el-upload-list__item{ |
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margin-bottom: 0 |
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} |
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#UploadMultipleImg .el-upload-dragger{ |
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width: auto; |
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height: auto; |
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} |
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</style> |