| | |
| | | list-type="picture-card" |
| | | :on-success="handleUploadSuccess" |
| | | :before-upload="handleBeforeUpload" |
| | | :limit="limit" |
| | | :on-error="handleUploadError" |
| | | :on-exceed="handleExceed" |
| | | name="file" |
| | | :show-file-list="false" |
| | | :on-remove="handleRemove" |
| | | :show-file-list="true" |
| | | :headers="headers" |
| | | style="display: inline-block; vertical-align: top" |
| | | :file-list="fileList" |
| | | :on-preview="handlePictureCardPreview" |
| | | :class="{hide: this.fileList.length >= this.limit}" |
| | | > |
| | | <el-image v-if="!value" :src="value"> |
| | | <div slot="error" class="image-slot"> |
| | | <i class="el-icon-plus" /> |
| | | </div> |
| | | </el-image> |
| | | <div v-else class="image"> |
| | | <el-image :src="value" :style="`width:150px;height:150px;`" fit="fill"/> |
| | | <div class="mask"> |
| | | <div class="actions"> |
| | | <span title="预览" @click.stop="dialogVisible = true"> |
| | | <i class="el-icon-zoom-in" /> |
| | | </span> |
| | | <span title="移除" @click.stop="removeImage"> |
| | | <i class="el-icon-delete" /> |
| | | </span> |
| | | </div> |
| | | </div> |
| | | </div> |
| | | <i class="el-icon-plus"></i> |
| | | </el-upload> |
| | | <el-dialog :visible.sync="dialogVisible" title="预览" width="800" append-to-body> |
| | | <img :src="value" style="display: block; max-width: 100%; margin: 0 auto;"> |
| | | |
| | | <!-- 上传提示 --> |
| | | <div class="el-upload__tip" slot="tip" v-if="showTip"> |
| | | 请上传 |
| | | <template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template> |
| | | <template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template> |
| | | 的文件 |
| | | </div> |
| | | |
| | | <el-dialog |
| | | :visible.sync="dialogVisible" |
| | | title="预览" |
| | | width="800" |
| | | append-to-body |
| | | > |
| | | <img |
| | | :src="dialogImageUrl" |
| | | style="display: block; max-width: 100%; margin: 0 auto" |
| | | /> |
| | | </el-dialog> |
| | | </div> |
| | | </template> |
| | |
| | | import { getToken } from "@/utils/auth"; |
| | | |
| | | export default { |
| | | props: { |
| | | value: [String, Object, Array], |
| | | // 图片数量限制 |
| | | limit: { |
| | | type: Number, |
| | | default: 5, |
| | | }, |
| | | // 大小限制(MB) |
| | | fileSize: { |
| | | type: Number, |
| | | default: 5, |
| | | }, |
| | | // 文件类型, 例如['png', 'jpg', 'jpeg'] |
| | | fileType: { |
| | | type: Array, |
| | | default: () => ["png", "jpg", "jpeg"], |
| | | }, |
| | | // 是否显示提示 |
| | | isShowTip: { |
| | | type: Boolean, |
| | | default: true |
| | | } |
| | | }, |
| | | data() { |
| | | return { |
| | | dialogImageUrl: "", |
| | | dialogVisible: false, |
| | | hideUpload: false, |
| | | baseUrl: process.env.VUE_APP_BASE_API, |
| | | uploadImgUrl: process.env.VUE_APP_BASE_API + "/common/upload", // 上传的图片服务器地址 |
| | | headers: { |
| | | Authorization: "Bearer " + getToken(), |
| | | }, |
| | | fileList: [] |
| | | }; |
| | | }, |
| | | props: { |
| | | watch: { |
| | | value: { |
| | | type: String, |
| | | default: "", |
| | | handler(val) { |
| | | if (val) { |
| | | // 首先将值转为数组 |
| | | const list = Array.isArray(val) ? val : this.value.split(','); |
| | | // 然后将数组转为对象数组 |
| | | this.fileList = list.map(item => { |
| | | if (typeof item === "string") { |
| | | if (item.indexOf(this.baseUrl) === -1) { |
| | | item = { name: this.baseUrl + item, url: this.baseUrl + item }; |
| | | } else { |
| | | item = { name: item, url: item }; |
| | | } |
| | | } |
| | | return item; |
| | | }); |
| | | } else { |
| | | this.fileList = []; |
| | | return []; |
| | | } |
| | | }, |
| | | deep: true, |
| | | immediate: true |
| | | } |
| | | }, |
| | | computed: { |
| | | // 是否显示提示 |
| | | showTip() { |
| | | return this.isShowTip && (this.fileType || this.fileSize); |
| | | }, |
| | | }, |
| | | methods: { |
| | | removeImage() { |
| | | this.$emit("input", ""); |
| | | // 删除图片 |
| | | handleRemove(file, fileList) { |
| | | const findex = this.fileList.indexOf(file.name); |
| | | this.fileList.splice(findex, 1); |
| | | this.$emit("input", this.listToString(this.fileList)); |
| | | }, |
| | | // 上传成功回调 |
| | | handleUploadSuccess(res) { |
| | | this.$emit("input", res.data.url); |
| | | this.fileList.push({ name: res.data.fileName, url: res.data.fileName }); |
| | | this.$emit("input", this.listToString(this.fileList)); |
| | | this.loading.close(); |
| | | }, |
| | | handleBeforeUpload() { |
| | | // 上传前loading加载 |
| | | handleBeforeUpload(file) { |
| | | let isImg = false; |
| | | if (this.fileType.length) { |
| | | let fileExtension = ""; |
| | | if (file.name.lastIndexOf(".") > -1) { |
| | | fileExtension = file.name.slice(file.name.lastIndexOf(".") + 1); |
| | | } |
| | | isImg = this.fileType.some(type => { |
| | | if (file.type.indexOf(type) > -1) return true; |
| | | if (fileExtension && fileExtension.indexOf(type) > -1) return true; |
| | | return false; |
| | | }); |
| | | } else { |
| | | isImg = file.type.indexOf("image") > -1; |
| | | } |
| | | |
| | | if (!isImg) { |
| | | this.$message.error( |
| | | `文件格式不正确, 请上传${this.fileType.join("/")}图片格式文件!` |
| | | ); |
| | | return false; |
| | | } |
| | | if (this.fileSize) { |
| | | const isLt = file.size / 1024 / 1024 < this.fileSize; |
| | | if (!isLt) { |
| | | this.$message.error(`上传头像图片大小不能超过 ${this.fileSize} MB!`); |
| | | return false; |
| | | } |
| | | } |
| | | this.loading = this.$loading({ |
| | | lock: true, |
| | | text: "上传中", |
| | | background: "rgba(0, 0, 0, 0.7)", |
| | | }); |
| | | }, |
| | | // 文件个数超出 |
| | | handleExceed() { |
| | | this.$message.error(`上传文件数量不能超过 ${this.limit} 个!`); |
| | | }, |
| | | // 上传失败 |
| | | handleUploadError() { |
| | | this.$message({ |
| | | type: "error", |
| | |
| | | }); |
| | | this.loading.close(); |
| | | }, |
| | | }, |
| | | watch: {}, |
| | | // 预览 |
| | | handlePictureCardPreview(file) { |
| | | this.dialogImageUrl = file.url; |
| | | this.dialogVisible = true; |
| | | }, |
| | | // 对象转成指定字符串分隔 |
| | | listToString(list, separator) { |
| | | let strs = ""; |
| | | separator = separator || ","; |
| | | for (let i in list) { |
| | | strs += list[i].url + separator; |
| | | } |
| | | return strs != '' ? strs.substr(0, strs.length - 1) : ''; |
| | | } |
| | | } |
| | | }; |
| | | </script> |
| | | |
| | | <style scoped lang="scss"> |
| | | .image { |
| | | position: relative; |
| | | .mask { |
| | | // .el-upload--picture-card 控制加号部分 |
| | | ::v-deep.hide .el-upload--picture-card { |
| | | display: none; |
| | | } |
| | | // 去掉动画效果 |
| | | ::v-deep .el-list-enter-active, |
| | | ::v-deep .el-list-leave-active { |
| | | transition: all 0s; |
| | | } |
| | | |
| | | ::v-deep .el-list-enter, .el-list-leave-active { |
| | | opacity: 0; |
| | | position: absolute; |
| | | top: 0; |
| | | width: 100%; |
| | | background-color: rgba(0, 0, 0, 0.5); |
| | | transition: all 0.3s; |
| | | } |
| | | &:hover .mask { |
| | | opacity: 1; |
| | | } |
| | | transform: translateY(0); |
| | | } |
| | | </style> |
| | | |