修复多图上传无法预览已上传的文件
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修复多图上传无法预览已上传的文件
This commit is contained in:
2025-11-27 14:49:14 +08:00
parent 2a06244639
commit 928e82f557

View File

@@ -1,112 +1,135 @@
<script setup lang="ts">
import { computed, ref, watch } from 'vue';
import { useVModel } from '@vueuse/core';
import { Modal, Upload } from 'ant-design-vue';
import type { UploadFile } from 'ant-design-vue';
// 恢复使用原有的上传接口
import { uploadFile } from '#/api/core/upload';
import { Icon } from '#/components/icon';
defineOptions({
name: 'UploadImage',
inheritAttrs: false,
// 定义接口
interface FileItem {
uid: string;
name: string;
status: 'uploading' | 'done' | 'error';
url: string;
}
// 定义props
interface Props {
modelValue: string[];
multiple?: boolean;
maxCount?: number;
}
const props = withDefaults(defineProps<Props>(), {
modelValue: () => [],
multiple: true,
maxCount: 9,
});
const props = defineProps({
modelValue: {
type: Array as () => string[],
default: () => [],
},
multiple: {
type: Boolean,
default: true,
},
maxCount: {
type: Number,
default: 9,
},
});
const emit = defineEmits<{
'update:modelValue': [value: string[]];
}>();
const emits = defineEmits(['update:modelValue']);
const fileList = ref<FileItem[]>([]);
const mValue = useVModel(props, 'modelValue', emits, {
passive: true,
});
const fileList = ref(
props.modelValue.map((url) => ({
// 初始化fileList
const initFileList = () => {
fileList.value = props.modelValue.map((url) => ({
uid: url,
name: url.split('/').pop() || 'file',
status: 'done',
url,
})),
);
// 监听 modelValue 变化,同步到 fileList
watch(props.modelValue, (newVal) => {
fileList.value = newVal.map((url) => ({
uid: url,
name: url.split('/').pop() || 'file',
status: 'done',
status: 'done' as const,
url,
}));
});
};
// 监听 fileList 变化,同步到 modelValue
watch(fileList, (newVal) => {
mValue.value = newVal
// 初始化
initFileList();
// 监听外部modelValue变化同步到fileList
watch(() => props.modelValue, (newVal) => {
const currentUrls = fileList.value.filter(file => file.status === 'done').map(file => file.url);
if (JSON.stringify(newVal) !== JSON.stringify(currentUrls)) {
fileList.value = newVal.map((url) => ({
uid: url,
name: url.split('/').pop() || 'file',
status: 'done' as const,
url,
}));
}
}, { deep: true });
// 统一通过updateModelValue函数更新modelValue
const updateModelValue = () => {
const urls = fileList.value
.filter((file) => file.status === 'done' && file.url)
.map((file) => file.url);
});
emit('update:modelValue', urls);
};
// 使用原有的uploadFile接口
const customRequest = async (options: any) => {
const { file, onProgress, onSuccess, onError } = options;
// 创建上传中的文件项
const uploadingFile: FileItem = {
uid: file.uid,
name: file.name,
status: 'uploading',
url: '',
};
fileList.value = [...fileList.value, uploadingFile];
const customRequest = async (e: any) => {
try {
// 使用原有的uploadFile接口
const res = await uploadFile({
file: e.file,
file: file,
});
// 更新 fileList
fileList.value = [
...fileList.value.filter((file) => file.status !== 'uploading'),
{
uid: res.url,
name: e.file.name,
status: 'done',
url: res.url,
},
];
// 更新文件状态为完成
const updatedFileList = fileList.value.map(item =>
item.uid === file.uid
? { ...item, status: 'done' as const, url: res.url }
: item
);
// 更新 modelValue
mValue.value = fileList.value.map((file) => file.url);
// 触发上传完成回调
e.onSuccess?.(res);
fileList.value = updatedFileList;
updateModelValue();
onSuccess(res);
} catch (error) {
console.error('上传失败', error);
e.onError?.(error);
// 更新文件状态为错误
const updatedFileList = fileList.value.map(item =>
item.uid === file.uid
? { ...item, status: 'error' as const }
: item
);
fileList.value = updatedFileList;
onError(error);
}
};
const handleRemove = (file: any) => {
// 从 fileList 中移除
// 处理文件删除
const handleRemove = (file: UploadFile) => {
fileList.value = fileList.value.filter((item) => item.uid !== file.uid);
// 更新 modelValue
mValue.value = fileList.value.map((file) => file.url);
updateModelValue();
};
// 预览功能
const previewVisible = ref(false);
const previewImage = ref('');
const previewTitle = ref('');
const handlePreview = async (file) => {
previewImage.value = file.response.url || file.preview;
const handlePreview = async (file: UploadFile) => {
previewImage.value = file.url || '';
previewVisible.value = true;
previewTitle.value =
file.name || file.url.slice(Math.max(0, file.url.lastIndexOf('/') + 1));
previewTitle.value = file.name || file.url?.split('/').pop() || '';
};
// 计算是否还能上传更多图片
// 计算是否显示上传按钮
const showUploadButton = computed(() =>
props.multiple
? fileList.value.length < props.maxCount
@@ -115,55 +138,39 @@ const showUploadButton = computed(() =>
</script>
<template>
<Upload
v-model:value="fileList"
:custom-request="customRequest"
:multiple="multiple"
:limit="maxCount"
:show-upload-list="{ showPreviewIcon: true, showRemoveIcon: true }"
list-type="picture-card"
@remove="handleRemove"
@preview="handlePreview"
>
<div v-if="showUploadButton" class="upload-button">
<Icon icon="ant-design:plus-outlined" />
<div class="ant-upload-text">上传图片</div>
</div>
</Upload>
<Modal
v-model:visible="previewVisible"
:title="previewTitle"
footer=""
width="60%"
>
<img alt="example" style="width: 100%" :src="previewImage" />
</Modal>
<div>
<Upload
:file-list="fileList"
:custom-request="customRequest"
:multiple="multiple"
:max-count="maxCount"
:show-upload-list="{
showPreviewIcon: true,
showRemoveIcon: true,
}"
list-type="picture-card"
@remove="handleRemove"
@preview="handlePreview"
>
<div v-if="showUploadButton" class="upload-button">
<!-- 恢复使用Icon组件 -->
<Icon icon="ant-design:plus-outlined" />
<div class="ant-upload-text">上传图片</div>
</div>
</Upload>
<Modal
v-model:visible="previewVisible"
:title="previewTitle"
footer=""
width="60%"
>
<img alt="预览图片" style="width: 100%" :src="previewImage" />
</Modal>
</div>
</template>
<style lang="less" scoped>
.m-avatar-wrap {
position: relative;
height: 102px;
width: 102px;
.m-avatar-icon-delete {
position: absolute;
top: 0;
right: 0;
cursor: pointer;
opacity: 0;
transition: opacity 0.3s;
background-color: rgba(0, 0, 0, 0.5);
color: white;
border-radius: 0 0 0 4px;
padding: 2px 4px;
}
&:hover .m-avatar-icon-delete {
opacity: 1;
}
}
.upload-button {
display: flex;
flex-direction: column;