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import { useNamespace } from '@ibiz-template/vue-util';
import { defineComponent, PropType } from 'vue';
import '@ibiz-template/theme/style/components/common/image-preview/image-preview.scss';
import { RuntimeError, downloadFileFromBlob } from '@ibiz-template/core';
export const ImagePreview = defineComponent({
name: 'ImagePreview',
props: {
file: {
type: Object as PropType<{ name: string; url: string }>,
required: true,
},
},
setup(props) {
const ns = useNamespace('image-preview');
const onDownload = () => {
// 发送get请求
ibiz.net
.request(props.file.url, {
method: 'get',
responseType: 'blob',
baseURL: '', // 已经有baseURL了,这里无需再写
})
.then((response: IData) => {
if (response.status !== 200) {
throw new RuntimeError('下载文件失败');
}
// 请求成功,后台返回的是一个文件流
if (!response.data) {
throw new RuntimeError('文件流数据不存在');
} else {
// 获取文件名
const fileName = props.file.name;
downloadFileFromBlob(response.data, fileName);
}
});
};
return {
ns,
onDownload,
};
},
render() {
return (
<div class={this.ns.b()}>
<img class={this.ns.e('image')} src={this.file.url} />
<div class={this.ns.e('toolbar')}>
<div class={this.ns.e('zoom-bar')}>
<i-icon class={this.ns.e('zoom-minus')} type='md-remove' />
<span class={this.ns.e('zoom-percent')}>100%</span>
<i-icon class={this.ns.e('zoom-plus')} type='md-add' />
</div>
<div onClick={this.onDownload} class={this.ns.e('download')}>
<i-icon type='md-download' />
</div>
</div>
</div>
);
},
});