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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"]}]}