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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 if (item.indexOf(this.baseUrl) === -1) {\r\n item = { name: this.baseUrl + item, url: this.baseUrl + item };\r\n } else {\r\n item = { name: item, url: item };\r\n }\r\n }\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 // 删除图片\r\n handleRemove(file, fileList) {\r\n const findex = this.fileList.map(f => f.name).indexOf(file.name);\r\n if(findex > -1) {\r\n this.fileList.splice(findex, 1);\r\n this.$emit(\"input\", this.listToString(this.fileList));\r\n }\r\n },\r\n // 上传成功回调\r\n handleUploadSuccess(res) {\r\n this.fileList.push({ name: res.fileName, url: res.fileName });\r\n this.$emit(\"input\", this.listToString(this.fileList));\r\n this.loading.close();\r\n },\r\n // 上传前loading加载\r\n handleBeforeUpload(file) {\r\n let isImg = false;\r\n if (this.fileType.length) {\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 isImg = 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 } else {\r\n isImg = file.type.indexOf(\"image\") > -1;\r\n }\r\n\r\n if (!isImg) {\r\n this.$message.error(\r\n `文件格式不正确, 请上传${this.fileType.join(\"/\")}图片格式文件!`\r\n );\r\n return false;\r\n }\r\n if (this.fileSize) {\r\n const isLt = file.size / 1024 / 1024 < this.fileSize;\r\n if (!isLt) {\r\n this.$message.error(`上传头像图片大小不能超过 ${this.fileSize} MB!`);\r\n return false;\r\n }\r\n }\r\n this.loading = this.$loading({\r\n lock: true,\r\n text: \"上传中\",\r\n background: \"rgba(0, 0, 0, 0.7)\",\r\n });\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 ${this.limit} 个!`);\r\n },\r\n // 上传失败\r\n handleUploadError() {\r\n this.$message({\r\n type: \"error\",\r\n message: \"上传失败\",\r\n });\r\n this.loading.close();\r\n },\r\n // 预览\r\n handlePictureCardPreview(file) {\r\n this.dialogImageUrl = file.url;\r\n this.dialogVisible = true;\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.replace(this.baseUrl, \"\") + separator;\r\n }\r\n return strs != '' ? strs.substr(0, strs.length - 1) : '';\r\n }\r\n }\r\n};\r\n</script>\r\n<style scoped lang=\"scss\">\r\n// .el-upload--picture-card 控制加号部分\r\n::v-deep.hide .el-upload--picture-card {\r\n display: none;\r\n}\r\n// 去掉动画效果\r\n::v-deep .el-list-enter-active,\r\n::v-deep .el-list-leave-active {\r\n transition: all 0s;\r\n}\r\n\r\n::v-deep .el-list-enter, .el-list-leave-active {\r\n opacity: 0;\r\n transform: translateY(0);\r\n}\r\n</style>\r\n\r\n"]}]}
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