这里图片上传要控制最多三张,要怎么修改?
import React, { useRef, useState } from 'react'
import { Button, Modal, Tooltip, Image } from 'antd'
import { upload2 } from '@/api/base-data'
import { imageUrl } from '@/api/ask'
export default ({ title = '上传', suffix = '', list = [], setList, size = 'middle', disabled = false }) => {
const inputEl = useRef(null)
function onChange() {
if (!inputEl.current.value) {
return;
}
const files = inputEl.current.files;
const formDatas = []
for (let i = 0; i < files.length; i++) {
const formData = new FormData();
formData.append('file', files[i])
formDatas.push(upload2(formData))
}
Promise.all(formDatas).then(res => {
console.log("upload2 res is ", res)
if (Array.isArray(res)) {
const newList = res.map(item => item.data[0].sortePath)
setList(newList)
}
})
}
function handleClick() {
inputEl.current.click();
}
function handlePreview() {
setVisible(true);
console.log('list', list)
}
const [visible, setVisible] = useState(false)
function onCancel() {
setVisible(false)
}
return (
<div>
<Tooltip title='如需上传多张,请多选。再次点击会覆盖上传内容'>
<Button size={size} type='primary' onClick={handleClick} disabled={disabled} style={{ marginRight: 4 }}>{title}</Button>
</Tooltip>
{list.length > 0 && (
<span>已成功上传{list.length}张,最上传多3张。</span>
)}
<span style={{ display: 'inline-block', marginLeft: 4 }}>{suffix}</span>
<input style={{ display: 'none' }} ref={inputEl} type="file" multiple onChange={onChange} />
</div>
)
}