From 3c4fee1db116c11d4f04727cfe076d7c94daeaf2 Mon Sep 17 00:00:00 2001 From: yanzhaofeige <yanzhaofeige@qq.com> Date: Mon, 30 Sep 2024 12:10:57 +0800 Subject: [PATCH] init --- cpzidc-ui/src/components/ImageUpload/index.vue | 226 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 226 insertions(+), 0 deletions(-) diff --git a/cpzidc-ui/src/components/ImageUpload/index.vue b/cpzidc-ui/src/components/ImageUpload/index.vue new file mode 100644 index 0000000..2e64c9b --- /dev/null +++ b/cpzidc-ui/src/components/ImageUpload/index.vue @@ -0,0 +1,226 @@ +<template> + <div class="component-upload-image"> + <el-upload + multiple + :action="uploadImgUrl" + list-type="picture-card" + :on-success="handleUploadSuccess" + :before-upload="handleBeforeUpload" + :limit="limit" + :on-error="handleUploadError" + :on-exceed="handleExceed" + ref="imageUpload" + :on-remove="handleDelete" + :show-file-list="true" + :headers="headers" + :file-list="fileList" + :on-preview="handlePictureCardPreview" + :class="{hide: this.fileList.length >= this.limit}" + > + <i class="el-icon-plus"></i> + </el-upload> + + <!-- 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> + +<script> +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 { + number: 0, + uploadList: [], + 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: [] + }; + }, + watch: { + value: { + 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: { + // 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.$modal.msgError(`文件格式不正确, 请上传${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.$modal.msgError(`上传头像图片大小不能超过 ${this.fileSize} MB!`); + return false; + } + } + this.$modal.loading("正在上传图片,请稍候..."); + this.number++; + }, + // 文件个数超出 + handleExceed() { + this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`); + }, + // 上传成功回调 + handleUploadSuccess(res, file) { + if (res.code === 200) { + this.uploadList.push({ name: res.fileName, url: res.fileName }); + this.uploadedSuccessfully(); + } else { + this.number--; + this.$modal.closeLoading(); + this.$modal.msgError(res.msg); + this.$refs.imageUpload.handleRemove(file); + this.uploadedSuccessfully(); + } + }, + // 删除图片 + handleDelete(file) { + const findex = this.fileList.map(f => f.name).indexOf(file.name); + if (findex > -1) { + this.fileList.splice(findex, 1); + this.$emit("input", this.listToString(this.fileList)); + } + }, + // 上传失败 + handleUploadError() { + this.$modal.msgError("上传图片失败,请重试"); + this.$modal.closeLoading(); + }, + // 上传结束处理 + uploadedSuccessfully() { + if (this.number > 0 && this.uploadList.length === this.number) { + this.fileList = this.fileList.concat(this.uploadList); + this.uploadList = []; + this.number = 0; + this.$emit("input", this.listToString(this.fileList)); + this.$modal.closeLoading(); + } + }, + // 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) { + if (list[i].url) { + strs += list[i].url.replace(this.baseUrl, "") + separator; + } + } + return strs != '' ? strs.substr(0, strs.length - 1) : ''; + } + } +}; +</script> +<style scoped lang="scss"> +// .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; + transform: translateY(0); +} +</style> + -- Gitblit v1.9.3