index.vue
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<template>
<Upload :accept="accept" :custom-request="onUpload" :on-before-upload="onBeforeUpload" :file-list="[]" :show-file-list="false">
<template #upload-button>
<Avatar :shape="shape" :size="size" trigger-type="mask">
<div v-if="!modelValue" class="no-avatar">
<icon-plus />
</div>
<img v-else :src="modelValue" style="width: 100%; height: 100%" alt="" />
<template #trigger-icon>
<icon-camera />
</template>
</Avatar>
</template>
</Upload>
</template>
<script lang="ts" setup>
import useOss from '@/hooks/oss';
import { IconCamera, IconPlus } from '@arco-design/web-vue/es/icon';
import { Avatar, Message, Upload, UploadRequest, useFormItem } from '@arco-design/web-vue';
import { computed, toRefs } from 'vue';
const props = withDefaults(
defineProps<{
modelValue?: string;
size?: number;
shape?: 'circle' | 'square';
accept?: string;
limit?: number;
}>(),
{
modelValue: '',
size: 80,
shape: 'circle',
accept: 'image/*',
limit: 5,
}
);
const { shape } = toRefs(props);
const borderRadius = computed(() => (shape.value === 'square' ? 'unset' : 'var(--border-radius-circle)'));
const { eventHandlers } = useFormItem();
const emits = defineEmits(['update:modelValue']);
const { upload } = useOss();
const onBeforeUpload = (file: File) => {
if (file.size > props.limit * 1024 * 1024) {
Message.warning(`${file.name} 文件超过${props.limit}MB,无法上传`);
return Promise.resolve(false);
}
return Promise.resolve(file);
};
const onUpload = (option: any): UploadRequest => {
const { fileItem } = option;
if (fileItem.file) {
upload(fileItem.file, 'image').then((res) => {
emits('update:modelValue', res?.url || '');
eventHandlers.value?.onChange?.();
});
}
return {};
};
</script>
<style lang="less" scoped>
:deep(.arco-avatar-text) {
width: 100%;
height: 100%;
overflow: hidden;
display: inline-block;
border-radius: v-bind(borderRadius);
}
.arco-avatar-image {
transform: unset !important;
}
.no-avatar {
top: 0;
left: 0;
display: flex;
position: absolute;
align-content: center;
align-items: center;
justify-content: center;
width: 100%;
height: 100%;
}
</style>