增加多个图片上传组件

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ctw committed 2024-12-24 17:03:23 +08:00
1 parent 56673efb64
commit 1c32f3a632
7 files changed
+484 -195

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@@ -71,8 +71,8 @@ interface UploadFileProps {
width?: string; // 组件宽度 ==> 非必传(默认为 150px)
borderRadius?: string; // 组件边框圆角 ==> 非必传(默认为 8px)
iconSize?: number;
dir?: string; // 文件目录
listType:string;
dir?: string; // 文件目录
listType: string;
}
// 接受父组件参数
@@ -86,8 +86,8 @@ const props = withDefaults(defineProps<UploadFileProps>(), {
height: '150px',
width: '150px',
borderRadius: '8px',
dir: '',
listType:''
dir: '',
listType: '',
});
// 生成组件唯一id
+296
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@@ -0,0 +1,296 @@
<template>
<div class="upload-box">
<el-upload
ref="elUploadRef"
list-type="picture-card"
:class="['upload', self_disabled ? 'disabled' : '', drag ? 'no-border' : '']"
:on-preview="handlePictureCardPreview"
:on-remove="handleRemove"
:on-success="uploadSuccess"
:before-upload="beforeUpload"
:on-error="uploadError"
:http-request="handleHttpUpload"
multiple
:drag="drag"
:disabled="self_disabled"
:accept="fileType.join(',')"
>
<div class="upload-empty">
<slot name="empty">
<el-icon><Plus /></el-icon>
<!-- <span>请上传图片</span> -->
</slot>
</div>
</el-upload>
<div class="el-upload__tip">
<slot name="tip"></slot>
</div>
<el-dialog v-model="dialogVisible">
<img w-full :src="dialogImageUrl" alt="Preview Image" />
</el-dialog>
</div>
</template>
<script setup lang="ts">
import { ref, watch } from 'vue';
import { ElUpload, ElDialog, UploadRequestOptions, ElNotification, UploadFile, UploadProps, formContextKey } from 'element-plus';
import request from '/@/utils/request';
interface UploadFileProps {
imageUrls?: string; // 图片地址 ==> 必传
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
drag?: boolean; // 是否支持拖拽上传 ==> 非必传(默认为 true)
disabled?: boolean; // 是否禁用上传组件 ==> 非必传(默认为 false)
fileSize?: number; // 图片大小限制 ==> 非必传(默认为 5M)
fileType?: string[]; // 图片类型限制 ==> 非必传(默认为 ["image/jpeg", "image/png", "image/gif"])
height?: string; // 组件高度 ==> 非必传(默认为 150px)
width?: string; // 组件宽度 ==> 非必传(默认为 150px)
borderRadius?: string; // 组件边框圆角 ==> 非必传(默认为 8px)
}
const props = withDefaults(defineProps<UploadFileProps>(), {
imageUrls: '',
uploadFileUrl: '/admin/sys-file/upload',
drag: true,
disabled: false,
fileSize: 5,
fileType: () => ['image/jpeg', 'image/png', 'image/gif'],
height: '150px',
width: '150px',
borderRadius: '8px',
});
interface UploadEmits {
(e: 'update:imageUrls', value: string): void;
}
const emit = defineEmits<UploadEmits>();
const dialogImageUrl = ref('');
const dialogVisible = ref(false);
const elUploadRef = ref();
// 获取 el-form 组件上下文
const formContext = inject(formContextKey, void 0);
// 上传
const handleHttpUpload = async (options: UploadRequestOptions) => {
let formData = new FormData();
formData.append('file', options.file);
try {
const res = await request({
url: props.uploadFileUrl,
method: 'post',
headers: {
'Content-Type': 'multipart/form-data',
},
data: formData,
});
if (res.code == 0) {
return res;
}
} catch (error) {
options.onError(error as any);
}
};
// 移除
const handleRemove = (uploadFile: any, uploadFiles: any[]) => {
const urls = uploadFiles.map((item) => item.response.data.url).join(',');
emit('update:imageUrls', urls);
};
// 预览
const handlePictureCardPreview = (uploadFile: any) => {
dialogImageUrl.value = 'http://123.156.230.15:8089/api' + uploadFile.response.data.url;
dialogVisible.value = true;
};
// 判断是否禁用上传和删除
const self_disabled = computed(() => {
return props.disabled || formContext?.disabled;
});
watch(
() => props.imageUrls,
(newValue) => {
console.log(newValue);
if (!newValue) elUploadRef.value.clearFiles();
}
);
/**
* @description 文件上传之前判断
* @param rawFile 选择的文件
* */
const beforeUpload: UploadProps['beforeUpload'] = (rawFile) => {
const imgSize = rawFile.size / 1024 / 1024 < props.fileSize;
const imgType = props.fileType.includes(rawFile.type as File.ImageMimeType);
if (!imgType)
ElNotification({
title: '温馨提示',
message: '上传图片不符合所需的格式!',
type: 'warning',
});
if (!imgSize)
setTimeout(() => {
ElNotification({
title: '温馨提示',
message: `上传图片大小不能超过 ${props.fileSize}M!`,
type: 'warning',
});
}, 0);
return imgType && imgSize;
};
/**
* @description 图片上传成功
* */
const uploadSuccess = (response: any, uploadFile: UploadFile, uploadFiles: any) => {
const urls = uploadFiles.map((item: any) => item.response.data.url).join(',');
emit('update:imageUrls', urls);
ElNotification({
title: '温馨提示',
message: '图片上传成功!',
type: 'success',
});
};
/**
* @description 图片上传错误
* */
const uploadError = () => {
ElNotification({
title: '温馨提示',
message: '图片上传失败,请您重新上传!',
type: 'error',
});
};
</script>
<style scoped lang="scss">
.is-error {
.upload {
:deep(.el-upload),
:deep(.el-upload-dragger) {
border: 1px dashed var(--el-color-danger) !important;
&:hover {
border-color: var(--el-color-primary) !important;
}
}
}
}
:deep(.disabled) {
.el-upload,
.el-upload-dragger {
cursor: not-allowed !important;
background: var(--el-disabled-bg-color);
border: 1px dashed var(--el-border-color-darker) !important;
&:hover {
border: 1px dashed var(--el-border-color-darker) !important;
}
}
}
.upload-box {
overflow: hidden;
.no-border {
:deep(.el-upload) {
border: none !important;
}
}
:deep(.upload) {
.el-upload {
position: relative;
display: flex;
align-items: center;
justify-content: center;
width: v-bind(width);
height: v-bind(height);
overflow: hidden;
border: 1px dashed var(--el-border-color-darker);
border-radius: v-bind(borderRadius);
transition: var(--el-transition-duration-fast);
&:hover {
border-color: var(--el-color-primary);
.upload-handle {
opacity: 1;
}
}
.el-upload-dragger {
display: flex;
align-items: center;
justify-content: center;
width: 100%;
height: 100%;
padding: 0;
overflow: hidden;
background-color: transparent;
border: 1px dashed var(--el-border-color-darker);
border-radius: v-bind(borderRadius);
&:hover {
border: 1px dashed var(--el-color-primary);
}
}
.el-upload-dragger.is-dragover {
background-color: var(--el-color-primary-light-9);
border: 2px dashed var(--el-color-primary) !important;
}
.upload-image {
width: 100%;
height: 100%;
object-fit: contain;
}
.upload-empty {
position: relative;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
font-size: 12px;
line-height: 30px;
color: var(--el-color-info);
.el-icon {
font-size: 28px;
color: var(--el-text-color-secondary);
}
}
.upload-handle {
position: absolute;
top: 0;
right: 0;
box-sizing: border-box;
display: flex;
align-items: center;
justify-content: center;
width: 100%;
height: 100%;
cursor: pointer;
background: rgb(0 0 0 / 60%);
opacity: 0;
transition: var(--el-transition-duration-fast);
.handle-icon {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 0 6%;
color: aliceblue;
.el-icon {
margin-bottom: 40%;
font-size: 130%;
line-height: 130%;
}
span {
font-size: 85%;
line-height: 85%;
}
}
}
}
}
.el-upload__tip {
line-height: 18px;
text-align: center;
}
}
</style>