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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 const fileName = file.name.split('.');\r\n const fileExt = fileName[fileName.length - 1];\r\n const isTypeOk = this.fileType.indexOf(fileExt) >= 0;\r\n if (!isTypeOk) {\r\n this.$modal.msgError(`文件格式不正确, 请上传${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.$modal.msgError(`上传文件大小不能超过 ${this.fileSize} MB!`);\r\n return false;\r\n }\r\n }\r\n this.$modal.loading(\"正在上传文件，请稍候...\");\r\n this.number++;\r\n return true;\r\n },\r\n // 文件个数超出\r\n handleExceed() {\r\n this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`);\r\n },\r\n // 上传失败\r\n handleUploadError(err) {\r\n this.$modal.msgError(\"上传文件失败，请重试\");\r\n this.$modal.closeLoading()\r\n },\r\n // 上传成功回调\r\n handleUploadSuccess(res, file) {\r\n if (res.code === 200) {\r\n this.uploadList.push({ name: res.fileName, url: res.fileName });\r\n this.uploadedSuccessfully();\r\n } else {\r\n this.number--;\r\n this.$modal.closeLoading();\r\n this.$modal.msgError(res.msg);\r\n this.$refs.fileUpload.handleRemove(file);\r\n this.uploadedSuccessfully();\r\n }\r\n },\r\n // 删除文件\r\n handleDelete(index) {\r\n this.fileList.splice(index, 1);\r\n this.$emit(\"input\", this.listToString(this.fileList));\r\n },\r\n // 上传结束处理\r\n uploadedSuccessfully() {\r\n if (this.number > 0 && this.uploadList.length === this.number) {\r\n this.fileList = this.fileList.concat(this.uploadList);\r\n this.uploadList = [];\r\n this.number = 0;\r\n this.$emit(\"input\", this.listToString(this.fileList));\r\n this.$modal.closeLoading();\r\n }\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);\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}\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</style>\r\n"]}]}
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