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361
src/components/Upload/Image.vue
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361
src/components/Upload/Image.vue
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<!-- 单图图片上传组件, 推荐使用 ImagePlus 组件，后续将删除本组件-->
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<template>
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<div class="upload-box">
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<el-upload
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action="#"
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:id="uuid"
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:class="['upload', self_disabled ? 'disabled' : '', drag ? 'no-border' : '']"
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list-type="picture-card"
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:disabled="self_disabled"
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:show-file-list="false"
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:http-request="handleHttpUpload"
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:before-upload="beforeUpload"
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:on-success="uploadSuccess"
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:on-error="uploadError"
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:drag="drag"
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:accept="acceptType"
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>
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<template v-if="imageUrl || modelValue">
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<!-- 如果返回的是OSS 地址则不需要增加 baseURL -->
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<img
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:src="(imageUrl || modelValue || '').includes('http') ? imageUrl || modelValue : baseURL + (imageUrl || modelValue)"
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class="upload-image"
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/>
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<div class="upload-handle" @click.stop>
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<div class="handle-icon" @click="editImg" v-if="!self_disabled">
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<el-icon :size="props.iconSize"><Edit /></el-icon>
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<span v-if="!props.iconSize">{{ $t('common.editBtn') }}</span>
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</div>
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<div class="handle-icon" @click="imgViewVisible = true">
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<el-icon :size="props.iconSize"><ZoomIn /></el-icon>
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<span v-if="!props.iconSize">{{ $t('common.viewBtn') }}</span>
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</div>
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<div class="handle-icon" @click="deleteImg" v-if="!self_disabled">
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<el-icon :size="props.iconSize"><Delete /></el-icon>
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<span v-if="!props.iconSize">{{ $t('common.delBtn') }}</span>
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</div>
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</div>
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</template>
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<template v-else>
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<div class="upload-empty">
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<slot name="empty">
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<el-icon><Plus /></el-icon>
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<!-- <span>请上传图片</span> -->
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</slot>
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</div>
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</template>
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</el-upload>
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<div class="el-upload__tip">
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<slot name="tip"></slot>
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</div>
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<el-image-viewer
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:teleported="true"
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v-if="imgViewVisible"
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@close="imgViewVisible = false"
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:url-list="[_imageUrl.includes('http') ? _imageUrl : baseURL + _imageUrl]"
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/>
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</div>
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</template>
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<script setup lang="ts" name="UploadImg">
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import { ref, computed, inject, watch } from 'vue';
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import { ElNotification, formContextKey, formItemContextKey } from 'element-plus';
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import type { UploadProps, UploadRequestOptions } from 'element-plus';
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import { generateUUID } from '/@/utils/other';
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import request from '/@/utils/request';
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// 定义图片MIME类型
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type ImageMimeType = 'image/jpeg' | 'image/png' | 'image/gif' | 'image/webp' | 'image/svg+xml' | string;
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interface UploadFileProps {
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imageUrl?: string; // 图片地址 ==> 必传
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modelValue?: string; // 图片地址 (v-model)
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uploadFileUrl?: string; // 上传图片的 api 方法，一般项目上传都是同一个 api 方法，在组件里直接引入即可 ==> 非必传
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drag?: boolean; // 是否支持拖拽上传 ==> 非必传（默认为 true）
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disabled?: boolean; // 是否禁用上传组件 ==> 非必传（默认为 false）
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fileSize?: number; // 图片大小限制 ==> 非必传（默认为 5M）
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fileType?: ImageMimeType[]; // 图片类型限制 ==> 非必传（默认为 ["image/jpeg", "image/png", "image/gif"]）
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height?: string; // 组件高度 ==> 非必传（默认为 150px）
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width?: string; // 组件宽度 ==> 非必传（默认为 150px）
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borderRadius?: string; // 组件边框圆角 ==> 非必传（默认为 8px）
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iconSize?: number;
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dir?: string; // 文件目录
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}
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// 接受父组件参数
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const props = withDefaults(defineProps<UploadFileProps>(), {
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imageUrl: '',
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modelValue: '',
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uploadFileUrl: '/admin/sys-file/upload',
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drag: true,
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disabled: false,
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fileSize: 5,
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fileType: () => ['image/jpeg', 'image/png', 'image/gif'],
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height: '150px',
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width: '150px',
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borderRadius: '8px',
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dir: '',
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});
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// 计算accept属性值
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const acceptType = computed(() => {
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return props.fileType.join(',');
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});
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// 生成组件唯一id
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const uuid = ref('id-' + generateUUID());
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// 查看图片
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const imgViewVisible = ref(false);
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// 获取 el-form 组件上下文
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const formContext = inject(formContextKey, void 0);
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// 获取 el-form-item 组件上下文
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const formItemContext = inject(formItemContextKey, void 0);
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// 本地 image url
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const _imageUrl = ref(props.imageUrl || props.modelValue);
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// 监听 props 变化
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watch(
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() => props.imageUrl,
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(val) => {
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if (val !== _imageUrl.value) {
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_imageUrl.value = val || '';
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}
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}
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);
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watch(
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() => props.modelValue,
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(val) => {
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if (val !== _imageUrl.value) {
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_imageUrl.value = val || '';
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}
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}
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);
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// 判断是否禁用上传和删除
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const self_disabled = computed(() => {
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return props.disabled || formContext?.disabled;
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});
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/**
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* @description 图片上传
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* @param options upload 所有配置项
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* */
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interface UploadEmits {
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(e: 'update:imageUrl', value: string): void;
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(e: 'update:modelValue', value: string): void;
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}
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const emit = defineEmits<UploadEmits>();
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const handleHttpUpload = async (options: UploadRequestOptions) => {
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let formData = new FormData();
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formData.append('file', options.file);
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formData.append('dir', props.dir);
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try {
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const { data } = await request({
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url: props.uploadFileUrl,
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method: 'post',
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headers: {
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'Content-Type': 'multipart/form-data',
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'Enc-Flag': 'false',
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},
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data: formData,
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});
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emit('update:imageUrl', data.url);
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emit('update:modelValue', data.url);
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_imageUrl.value = data.url;
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// 调用 el-form 内部的校验方法（可自动校验）
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formItemContext?.prop && formContext?.validateField([formItemContext.prop as string]);
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} catch (error) {
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options.onError(error as any);
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}
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};
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/**
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* @description 删除图片
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* */
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const deleteImg = () => {
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emit('update:imageUrl', '');
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emit('update:modelValue', '');
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_imageUrl.value = '';
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};
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/**
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* @description 编辑图片
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* */
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const editImg = () => {
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const dom = document.querySelector(`#${uuid.value} .el-upload__input`);
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dom && dom.dispatchEvent(new MouseEvent('click'));
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};
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/**
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* @description 文件上传之前判断
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* @param rawFile 选择的文件
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* */
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const beforeUpload: UploadProps['beforeUpload'] = (rawFile) => {
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const imgSize = rawFile.size / 1024 / 1024 < props.fileSize;
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const imgType = props.fileType.includes(rawFile.type as ImageMimeType);
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if (!imgType)
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ElNotification({
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title: '温馨提示',
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message: '上传图片不符合所需的格式！',
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type: 'warning',
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});
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if (!imgSize)
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setTimeout(() => {
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ElNotification({
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title: '温馨提示',
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message: `上传图片大小不能超过 ${props.fileSize}M！`,
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type: 'warning',
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});
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}, 0);
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return imgType && imgSize;
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};
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/**
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* @description 图片上传成功
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* */
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const uploadSuccess = () => {
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ElNotification({
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title: '温馨提示',
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message: '图片上传成功！',
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type: 'success',
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});
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};
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/**
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* @description 图片上传错误
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* */
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const uploadError = () => {
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ElNotification({
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title: '温馨提示',
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message: '图片上传失败，请您重新上传！',
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type: 'error',
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});
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};
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</script>
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<style scoped lang="scss">
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.is-error {
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.upload {
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:deep(.el-upload),
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:deep(.el-upload-dragger) {
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border: 1px dashed var(--el-color-danger) !important;
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&:hover {
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border-color: var(--el-color-primary) !important;
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}
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}
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}
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}
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:deep(.disabled) {
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.el-upload,
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.el-upload-dragger {
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cursor: not-allowed !important;
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background: var(--el-disabled-bg-color);
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border: 1px dashed var(--el-border-color-darker) !important;
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&:hover {
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border: 1px dashed var(--el-border-color-darker) !important;
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}
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}
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}
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.upload-box {
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.no-border {
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:deep(.el-upload) {
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border: none !important;
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}
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}
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:deep(.upload) {
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.el-upload {
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position: relative;
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display: flex;
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align-items: center;
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justify-content: center;
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width: v-bind(width);
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height: v-bind(height);
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overflow: hidden;
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border: 1px dashed var(--el-border-color-darker);
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border-radius: v-bind(borderRadius);
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transition: var(--el-transition-duration-fast);
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&:hover {
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border-color: var(--el-color-primary);
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.upload-handle {
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opacity: 1;
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}
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}
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.el-upload-dragger {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100%;
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height: 100%;
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padding: 0;
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overflow: hidden;
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background-color: transparent;
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border: 1px dashed var(--el-border-color-darker);
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border-radius: v-bind(borderRadius);
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&:hover {
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border: 1px dashed var(--el-color-primary);
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}
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}
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.el-upload-dragger.is-dragover {
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background-color: var(--el-color-primary-light-9);
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border: 2px dashed var(--el-color-primary) !important;
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}
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.upload-image {
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width: 100%;
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height: 100%;
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object-fit: contain;
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}
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.upload-empty {
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position: relative;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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font-size: 12px;
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line-height: 30px;
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color: var(--el-color-info);
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.el-icon {
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font-size: 28px;
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color: var(--el-text-color-secondary);
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}
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}
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.upload-handle {
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position: absolute;
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top: 0;
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right: 0;
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box-sizing: border-box;
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100%;
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height: 100%;
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cursor: pointer;
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background: rgb(0 0 0 / 60%);
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opacity: 0;
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transition: var(--el-transition-duration-fast);
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.handle-icon {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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padding: 0 6%;
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color: aliceblue;
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.el-icon {
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margin-bottom: 40%;
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font-size: 130%;
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line-height: 130%;
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}
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span {
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font-size: 85%;
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line-height: 85%;
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}
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}
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}
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}
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}
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.el-upload__tip {
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line-height: 18px;
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text-align: center;
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}
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}
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</style>
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