[英]Extra white space above Grid component from Material UI
在我的社交媒體網站上將 Grid 應用到我的帖子布局時，出於某種原因，在這種情況下，我在 Grid 元素或 GIF 上方留下了額外的空白。 如何刪除這個額外的空白？ 這是空白的圖像：
這是通過檢查為空白記錄的內容的圖像：
這是有問題的代碼：
import { useEffect, useState, useMemo, useRef } from "react";
import userInformation from "../../services/userInformation";
import { Link, useNavigate } from "react-router-dom";
import ReactPlayer from 'react-player'
import VectorIllustration from "./VectorIllustration";
import AvatarPicture from '../../images/AvatarPicture.png'
import HomeTwoToneIcon from '@mui/icons-material/HomeTwoTone';
import { Avatar } from "@nextui-org/react";
import PageviewTwoToneIcon from '@mui/icons-material/PageviewTwoTone';
import GroupsTwoToneIcon from '@mui/icons-material/GroupsTwoTone';
import EmailTwoToneIcon from '@mui/icons-material/EmailTwoTone';
import SettingsApplicationsTwoToneIcon from '@mui/icons-material/SettingsApplicationsTwoTone';
import { Dialog, Button, IconButton, ImageList, ImageListItem, InputAdornment, DialogTitle } from "@mui/material";
import { TextField, Grid } from "@mui/material";
import { useDispatch, useSelector } from "react-redux";
import { storeUserInformation } from "../../reducers/storeInformationReducer";
import { Loading } from '@nextui-org/react'
import '../../style-sheets/Home.css'
import FavoriteBorderTwoToneIcon from '@mui/icons-material/FavoriteBorderTwoTone';
import FavoriteIcon from '@mui/icons-material/Favorite';
import HeartBrokenIcon from '@mui/icons-material/HeartBroken';
import MessageIcon from '@mui/icons-material/Message';
import IosShareOutlinedIcon from '@mui/icons-material/IosShareOutlined';
import MessageOutlinedIcon from '@mui/icons-material/MessageOutlined';
import InfiniteScroll from 'react-infinite-scroll-component'
import ViewProfileBox from "./ViewProfileBox";
const Home = () => {
const state = useSelector(state => state)
const [savedUser, setSavedUser] = useState()
const [like, setLike] = useState([])
const [mouseOver, setMouseOver] = useState(false)
const [replies, setReplies] = useState([])
const [numberOfPosts, setNumberOfPosts] = useState(Array.from({ length: 5}))
const [hasMore, setHasMore] = useState(true)
const [open, setOpen] = useState(false)
const [imageToView, setImageToView] = useState('')
const dispatch = useDispatch();
const navigate = useNavigate();
useEffect(() => {
const initializer = async () => {
const user = await JSON.parse(window.localStorage.getItem('loggedAppUser'))
setSavedUser(user)
userInformation.setToken(user.token)
const response = await userInformation.findUser(user.user.email)
const arrayOfKeys = Object.keys(response.data.user)
const arrayOfValues = Object.values(response.data.user)
let i = 0
arrayOfKeys.forEach(element => {
dispatch(storeUserInformation(arrayOfValues[i], element))
i++
});
}
initializer()
}, [])
useEffect(() => {
setLike(numberOfPosts.map((post, i) => (like[i] === undefined ? false : like[i])))
setReplies(numberOfPosts.map((post, i) => (replies[i] === undefined ? false : replies[i])))
}, [numberOfPosts])
const handleLike = (index) => {
setLike(like.map((val, i) => index === i ? !val : val));
}
const handleReplies = (index) => {
setReplies(replies.map((val, i) => index === i ? !val : val));
}
const handleOpen = (e) => {
setOpen(true)
setImageToView(e)
}
const handleClose = () => setOpen(false)
const style = {
position: 'absolute',
top: '50%',
left: '50%',
transform: 'translate(-50%, -50%)',
width: 400,
bgcolor: 'background.paper',
border: '2px solid #000',
boxShadow: 24,
p: 4,
};
const fetchMoreData = () => {
console.log(state.posts)
console.log(numberOfPosts.length)
if ((Object.entries(state.posts)).length - numberOfPosts.length < 5) {
setTimeout(() => {
setNumberOfPosts(numberOfPosts.concat(Array.from({length: ((Object.entries(state.posts)).length - numberOfPosts)})))
}, 1500)
setHasMore(false)
return;
} else {
setTimeout(() => {
setNumberOfPosts(numberOfPosts.concat(Array.from({length: 5})))
}, 1500)
}
}
return (
<>
<div style={{
position: 'relative',
width: '1920px',
height: '1080px',
background: '#F7F9FE'}}>
<VectorIllustration />
<h1 style={{position: 'absolute', width: '30%', height: '5%', left: '20%', top: '4%', fontFamily: 'Outfit', fontStyle: 'normal', fontWeight: '400', fontSize: '32px', lineHeight: '40px', color: '#000000'}}>Welcome {state.storage.name}!</h1>
<Link to='/home' style={{position: 'absolute', width: '10%', height: '6.5%', left: '2%', top: '20%', background: 'linear-gradient(90deg, rgba(255, 255, 255, 0.47) 0%, rgba(255, 255, 255, 0) 93.56%)', textDecoration: 'none', color: '#FFFFFF', display: 'flex', textAlign: 'center', justifyContent: 'center', flexDirection: 'column'}}>Home</Link>
<HomeTwoToneIcon style={{position: 'absolute', left: "3%", top: '21.5%', fontSize: '225%'}} color='primary' />
<Avatar src={state.storage.profileImageURL ? state.storage.profileImageURL : AvatarPicture} style={{position: 'absolute', left: '83.5%', top: '11%', height: '132px', width: '132px'}}></Avatar>
<Link to='/findasponsor' style={{position: 'absolute', width: '10%', height: '6.5%', left: '3.5%', top: '29%', textDecoration: 'none', color: '#FFFFFF', display: 'flex', textAlign: 'center', justifyContent: 'center', flexDirection: 'column'}}>Find A Sponsor</Link>
<PageviewTwoToneIcon style={{position: 'absolute', left: "3%", top: '30.5%', fontSize: '225%', opacity: '0.7'}} />
<Link to='/Groups' style={{position: 'absolute', width: '10%', height: '6.5%', left: '3.5%', top: '37%', textDecoration: 'none', color: '#FFFFFF', display: 'flex', textAlign: 'center', justifyContent: 'center', flexDirection: 'column'}}>Groups</Link>
<GroupsTwoToneIcon style={{position: 'absolute', left: "3%", top: '38.6%', fontSize: '225%', opacity: '0.75'}} />
<Link to='/Messsages' style={{position: 'absolute', width: '10%', height: '6.5%', left: '3.5%', top: '45%', textDecoration: 'none', color: '#FFFFFF', display: 'flex', textAlign: 'center', justifyContent: 'center', flexDirection: 'column'}}>Messages</Link>
<EmailTwoToneIcon style={{position: 'absolute', left: "3%", top: '46.5%', fontSize: '225%', opacity: '0.75'}} />
<Link to='/Settings' style={{position: 'absolute', width: '10%', height: '6.5%', left: '3.5%', top: '54%', textDecoration: 'none', color: '#FFFFFF', display: 'flex', textAlign: 'center', justifyContent: 'center', flexDirection: 'column'}}>Settings</Link>
<SettingsApplicationsTwoToneIcon style={{position: 'absolute', left: "3%", top: '55.5%', fontSize: '225%', opacity: '0.75'}} />
<h1 style={{position: 'absolute', width: '201px', height: '76px', left: '4%', top: '68%', fontFamily: 'Outfit', fontStyle: 'normal', fontWeight: '500', fontSize: '26px', lineHeight: '38px', textAlign: 'center', color: '#1B1C1F', textDecoration: 'underline'}}>Go Local</h1>
<p style={{position: 'absolute', width: '201px', height: '76px', left: '4%', top: '73%', fontFamily: 'Outfit', fontStyle: 'normal', fontWeight: '500', fontSize: '15px', textAlign: 'center', color: 'black'}}>Currently, you are viewing sponsors/ sponsees globally. Would you like to view only sponsors/sponsees in your country?</p>
<Button style={{position: 'absolute', left: '4.5%', top: '85%', background: '#FFFFFF', borderRadius: '16px'}}>No</Button>
<Button style={{position: 'absolute', left: '10.5%', top: '85%', background: '#FFFFFF', borderRadius: '16px'}} onClick={(e) => navigate('./Settings')}>Yes</Button>
<h1 style={{position: 'absolute', top: '70%', left: '78%'}}>Trending Users</h1>
<Link to='/home/:id' style={{position: 'absolute', top: '73.25%', left: '94%'}}>View all</Link>
<p style={{position: 'absolute', top: '20%', left: '79%', fontFamily: 'Outfit', fontStyle: 'normal', fontWeight: '600', fontSize: '20px', lineHeight: '25px', textAlign: 'center'}}>{state.storage.followers}</p>
<p style={{position: 'absolute', top: '23%', left: '77.5%', fontFamily: 'Outfit', fontStyle: 'normal', fontWeight: '300', fontSize: '16px', lineHeight: '20px', textAlign: 'center', color: '#A2ADBC'}}>Followers</p>
<p style={{position: 'absolute', top: '20%', left: '94.5%', fontFamily: 'Outfit', fontStyle: 'normal', fontWeight: '600', fontSize: '20px', lineHeight: '25px', textAlign: 'center'}}>{state.storage.following}</p>
<p style={{position: 'absolute', top: '23%', left: '93%', fontFamily: 'Outfit', fontStyle: 'normal', fontWeight: '300', fontSize: '16px', lineHeight: '20px', textAlign: 'center', color: '#A2ADBC'}}>Following</p>
<h1 style={{position: 'absolute', top: '28%', left: '83.6%', fontFamily: 'Outfit', fontStyle: 'normal', fontWeight: '500', fontSize: '20px', lineHeight: '25px', textAlign: 'center'}}>{state.storage.name}</h1>
<p style={{position: 'absolute', width: '360px', height: '54px', left: '77.6%', top: '33%', fontFamily: 'Outfit', fontStyle: 'normal', fontWeight: '300', fontSize: '14px', lineHeight: '18px', textAlign: 'center', color: '#6D7683'}}>{state.storage.biography}</p>
<ViewProfileBox savedUser={savedUser}/>
{(Object.values(state.posts)).length !== 0 ?
<InfiniteScroll height='100%' dataLength={numberOfPosts.length} next={fetchMoreData} hasMore={hasMore} loader={<Loading style={{position: 'absolute', left: '50%'}}/>}
id='all-post-container' scrollThreshold={0.5} endMessage={<p style={{ textAlign: "center" }}>
<b>That's all folks!</b>
</p>}
style={{position: 'absolute', top: '25%', left: '20%', backgroundColor: '#F7F9FE', height: '72%', width: "54%", borderRadius: '30px'}}>
<Grid
container
direction="column"
justifyContent="center"
alignItems="center"
spacing={15}
>
{numberOfPosts.map((key, i) => {
return (
<Grid container item>
<Grid item xs={12} container style={{backgroundColor: 'white', paddingTop: '20px'}}>
{/* avatar, username, etc */}
<Grid item xs={1} container style={{ justifyContent: "center" }}>
<Avatar src={AvatarPicture} />
</Grid>
<Grid item container xs={11} style={{ gap: "10px" }}>
<Grid item xs={11}>
@{state.posts[i]?.username}
</Grid>
<Grid item xs={11}>
{state.posts[i]?.location} {state.posts[i]?.date}
</Grid>
</Grid>
</Grid>
<Grid item xs={12} className="indent2" style={{backgroundColor: 'white'}}>
{/* post text */}
<p
className="Post"
style={{
padding: "1em",
backgroundColor: "#FFFBEE",
borderRadius: "20px",
margin: '1%'
}}
>
{state.posts[i]?.text}
</p>
</Grid>
{state.posts[i]?.video && (
<Grid item xs={12} className="indent2" style={{backgroundColor: 'white'}}>
{/* post video */}
<ReactPlayer url={state.posts[i].video} controls width='100%'/>
</Grid>
)}
<Grid container wrap="nowrap">
{state.posts[i]?.images && (
<Grid item xs={12} className="indent2" style={{backgroundColor: 'white'}}>
{/* post image */}
<ImageList sx={{overflowX: 'auto' }} rowHeight={200}>
<ImageListItem sx={{display: 'flex', flexDirection: 'row'}}>
{state.posts[i].images.map(image => {
return (
<img
src={image}
alt='title'
loading='lazy'
style={{paddingRight: '1em', objectFit: 'contain'}}
onClick={(e) => handleOpen(e.target.src)}
/>
)
})}
<Dialog
open={open}
onClose={handleClose}
style={{ maxWidth: "100%", maxHeight: "100%" }}
BackdropProps={{invisible: true}}
>
<img
style={{ width: 'auto', height: '100%' }}
src={imageToView}
alt="image"
/>
</Dialog>
</ImageListItem>
</ImageList>
</Grid>
)}
</Grid>
<Grid container wrap="nowrap">
{state.posts[i]?.gif && (
<Grid item xs={12} className="indent2" style={{backgroundColor: 'white'}}>
{/* post gif */}
<img src={state.posts[i].gif} style={{objectFit: 'contain'}} />
</Grid>
)}
</Grid>
<Grid item xs={12} className="indent2" style={{backgroundColor: 'white'}}>
{/* icon bar */}
<Grid container style={{ padding: 12, gap: 20 }}>
<Grid item>
<IconButton
onClick={() => handleLike(i)}
onMouseLeave={() => setMouseOver(false)}
onMouseOver={() => setMouseOver(true)}
>
{like[i]&& mouseOver ? (
<HeartBrokenIcon style={{ color: "red" }} />
) : like[i] ? (
<FavoriteIcon style={{ color: "red" }} />
) : (
<FavoriteBorderTwoToneIcon />
)}
</IconButton>{" "}
{state.posts[i]?.likes}
</Grid>
<Grid item>
<IconButton onClick={() => handleReplies(i)}>
{replies[i] ? (
<MessageIcon color="primary" />
) : (
<MessageOutlinedIcon />
)}
</IconButton>{" "}
{state.posts[i]?.comments}
</Grid>
<Grid item>
<IconButton>
<IosShareOutlinedIcon />
</IconButton>{" "}
{state.posts[i]?.shares}
</Grid>
</Grid>
</Grid>
<Grid item xs={12} className="indent2" style={{backgroundColor: 'white', borderRadius: '16px'}}>
{/* comment */}
<TextField
InputProps={{
startAdornment: (
<InputAdornment>
<Avatar src={state.storage.profileImageURL} style={{ marginRight: 12 }} />
</InputAdornment>
),
classes: {
notchedOutline: "notched-outline-border-radius"
},
maxLength: 500
}}
maxRows={10}
multiline
placeholder="Write your comment"
style={{ width: "100%" }}
/>
</Grid>
</Grid>
)})}
</Grid>
</InfiniteScroll> : <div id='content-loader' style={{position: 'absolute', top: '25%', left: '20%', backgroundColor: '#F7F9FE', height: '72%', width: "54%", borderRadius: '30px'}}><Loading size='lg' style={{position: 'absolute', left: '50%', top: '50%'}}/></div>}
</div>
</>
)
}
export default Home;
這是專門處理 gif 發布的代碼：
<Grid container wrap="nowrap">
{state.posts[i]?.gif && (
<Grid item xs={12} className="indent2" style={{backgroundColor: 'white'}}>
{/* post gif */}
<img src={state.posts[i].gif} style={{objectFit: 'contain'}} />
</Grid>
)}
</Grid>
我找到了解決方案。 空白對於圖像的帖子Grid具有相同的測量值。 出於某種原因，即使一個帖子只有一個 GIF，它的行為就好像它也有一個圖像，因為images設置為一個空數組，所以為了避免要渲染圖像的網格，我放置了一個state.posts[i].images.length > 0最后通牒，因此圖像網格必須至少有 1 個圖像才能執行...
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