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<div class=\"upload-file\">\r\n <el-upload\r\n :action=\"uploadFileUrl\"\r\n :before-upload=\"handleBeforeUpload\"\r\n :file-list=\"fileList\"\r\n :limit=\"limit\"\r\n :on-error=\"handleUploadError\"\r\n :on-exceed=\"handleExceed\"\r\n :on-success=\"handleUploadSuccess\"\r\n :show-file-list=\"false\"\r\n :headers=\"headers\"\r\n class=\"upload-file-uploader\"\r\n ref=\"upload\"\r\n >\r\n <!-- 上传按钮 -->\r\n <el-button size=\"mini\" type=\"primary\" class=\"select_file\">选取文件</el-button>\r\n <!-- 上传提示 -->\r\n <div class=\"el-upload__tip\" slot=\"tip\" v-if=\"showTip\">\r\n 请上传\r\n <template v-if=\"fileSize\"> 大小不超过 <b style=\"color: #13CE66 \">{{ fileSize }}MB</b> </template>\r\n <template v-if=\"fileType\"> 格式为 <b style=\"color: #13CE66\">{{ fileType.join(\"/\") }}</b> </template>\r\n 的文件\r\n </div>\r\n </el-upload>\r\n\r\n <!-- 文件列表 -->\r\n <transition-group class=\"upload-file-list el-upload-list el-upload-list--text\" name=\"el-fade-in-linear\" tag=\"ul\">\r\n <li :key=\"file.uid\" class=\"el-upload-list__item ele-upload-list__item-content\" v-for=\"(file, index) in fileList\">\r\n <el-link :href=\"`${baseUrl}${file.url}`\" :underline=\"false\" target=\"_blank\">\r\n <span class=\"el-icon-document\"> {{ getFileName(file.name) }} </span>\r\n </el-link>\r\n <div class=\"ele-upload-list__item-content-action\">\r\n <el-link :underline=\"false\" @click=\"handleDelete(index)\" type=\"danger\" class=\"del\"></el-link>\r\n </div>\r\n </li>\r\n </transition-group>\r\n </div>\r\n</template>\r\n\r\n<script>\r\nimport { getToken } from \"@/utils/auth\";\r\n\r\nexport default {\r\n name: \"FileUpload\",\r\n props: {\r\n // 值\r\n value: [String, Object, Array],\r\n // 数量限制\r\n limit: {\r\n type: Number,\r\n default: 5,\r\n },\r\n // 大小限制(MB)\r\n fileSize: {\r\n type: Number,\r\n default: 5,\r\n },\r\n // 文件类型, 例如['png', 'jpg', 'jpeg']\r\n fileType: {\r\n type: Array,\r\n default: () => [\"doc\", \"xls\", \"ppt\", \"txt\", \"pdf\"],\r\n },\r\n // 是否显示提示\r\n isShowTip: {\r\n type: Boolean,\r\n default: true\r\n }\r\n },\r\n data() {\r\n return {\r\n baseUrl: process.env.VUE_APP_BASE_API,\r\n uploadFileUrl: process.env.VUE_APP_BASE_API + \"/common/upload\", // 上传的图片服务器地址\r\n headers: {\r\n Authorization: \"Bearer \" + getToken(),\r\n },\r\n fileList: [],\r\n };\r\n },\r\n watch: {\r\n value: {\r\n handler(val) {\r\n if (val) {\r\n let temp = 1;\r\n // 首先将值转为数组\r\n const list = Array.isArray(val) ? val : this.value.split(',');\r\n // 然后将数组转为对象数组\r\n this.fileList = list.map(item => {\r\n if (typeof item === \"string\") {\r\n item = { name: item, url: item };\r\n }\r\n item.uid = item.uid || new Date().getTime() + temp++;\r\n return item;\r\n });\r\n } else {\r\n this.fileList = [];\r\n return [];\r\n }\r\n },\r\n deep: true,\r\n immediate: true\r\n }\r\n },\r\n computed: {\r\n // 是否显示提示\r\n showTip() {\r\n return this.isShowTip && (this.fileType || this.fileSize);\r\n },\r\n },\r\n methods: {\r\n // 上传前校检格式和大小\r\n handleBeforeUpload(file) {\r\n // 校检文件类型\r\n if (this.fileType) {\r\n let fileExtension = \"\";\r\n if (file.name.lastIndexOf(\".\") > -1) {\r\n fileExtension = file.name.slice(file.name.lastIndexOf(\".\") + 1);\r\n }\r\n const isTypeOk = this.fileType.some((type) => {\r\n if (file.type.indexOf(type) > -1) return true;\r\n if (fileExtension && fileExtension.indexOf(type) > -1) return true;\r\n return false;\r\n });\r\n if (!isTypeOk) {\r\n this.$message.error(`文件格式不正确, 请上传${this.fileType.join(\"/\")}格式文件!`);\r\n return false;\r\n }\r\n }\r\n // 校检文件大小\r\n if (this.fileSize) {\r\n const isLt = file.size / 1024 / 1024 < this.fileSize;\r\n if (!isLt) {\r\n this.$message.error(`上传文件大小不能超过 ${this.fileSize} MB!`);\r\n return false;\r\n }\r\n }\r\n return true;\r\n },\r\n // 文件个数超出\r\n handleExceed() {\r\n this.$message.error(`上传文件数量不能超过 ${this.limit} 个!`);\r\n },\r\n // 上传失败\r\n handleUploadError(err) {\r\n this.$message.error(\"上传失败, 请重试\");\r\n },\r\n // 上传成功回调\r\n handleUploadSuccess(res, file) {\r\n this.$message.success(\"上传成功\");\r\n this.fileList.push({ name: res.fileName, url: res.fileName });\r\n this.$emit(\"input\", this.listToString(this.fileList));\r\n },\r\n // 删除文件\r\n handleDelete(index) {\r\n this.fileList.splice(index, 1);\r\n this.$emit(\"input\", this.listToString(this.fileList));\r\n },\r\n // 获取文件名称\r\n getFileName(name) {\r\n if (name.lastIndexOf(\"/\") > -1) {\r\n return name.slice(name.lastIndexOf(\"/\") + 1).toLowerCase();\r\n } else {\r\n return \"\";\r\n }\r\n },\r\n // 对象转成指定字符串分隔\r\n listToString(list, separator) {\r\n let strs = \"\";\r\n separator = separator || \",\";\r\n for (let i in list) {\r\n strs += list[i].url + separator;\r\n }\r\n return strs != '' ? strs.substr(0, strs.length - 1) : '';\r\n }\r\n }\r\n};\r\n</script>\r\n\r\n<style scoped lang=\"scss\">\r\n.upload-file-uploader {\r\n margin-bottom: 5px;\r\n}\r\n.upload-file-list .el-upload-list__item {\r\n border: 1px solid #e4e7ed;\r\n line-height: 2;\r\n margin-bottom: 10px;\r\n position: relative;\r\n display: flex;\r\n}\r\n.upload-file-list .ele-upload-list__item-content {\r\n display: flex;\r\n justify-content: space-between;\r\n align-items: center;\r\n color: inherit;\r\n}\r\n.ele-upload-list__item-content-action .el-link {\r\n margin-right: 10px;\r\n}\r\n// 选取文件\r\n.select_file{\r\n width: 70px;\r\n height: 30px;\r\n display: flex;\r\n justify-content: center;\r\n align-items: center;\r\n}\r\n.el-upload__tip{\r\n margin-left: -15px;\r\n}\r\n// 删除\r\n.del{\r\n width: 23px;\r\n height: 23px;\r\n left: 40px;\r\n background-image: url(\"../../images/delicon.png\");\r\n background-repeat: no-repeat;\r\n background-color: #FF4949;\r\n background-position: center;\r\n margin-bottom: 2px;\r\n margin-left: -5px;\r\n}\r\n</style>"]}]}
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