提问人:bamb1 提问时间:11/14/2023 更新时间:11/14/2023 访问量:44
在 Reactjs 中渲染每个数组项?
Rendering every array items in Reactjs?
问:
尝试渲染我的generateSeats功能中的每个项目,但我目前只渲染一个座位。我知道我的第一个函数应该返回一个数组,但是在屏幕上呈现数组中的每个项目都让我难住了。
const generateSeats = () => {
let numRow = 8;
let numColumn = 3;
let rowArray = [];
let start = 1;
let reachnine = false;
for(let i=0;i<numRow;i++) {
let columnArray = [];
for(let j=0;j<numColumn;j++) {
let seatObject = {
number : start,
taken : Boolean(Math.round(Math.random())),
selected: false,
}
columnArray.push(seatObject);
start++;
}
if(i==3){
numColumn += 2
}
if(numColumn <9 && !reachnine) {
numColumn +=2;
} else {
reachnine=true;
numColumn -= 2;
}
rowArray.push(columnArray)
}
return rowArray
}
const PurchaseTicket = () => {
return (
<div className='w-full h-full overflow-auto scrollbar-hide'>
<div className='w-full h-full flex flex-1 bg-black'>
<div className='bg-white w-[12px] h-[12px] rounded-t-[10px]'>{generateSeats}
</div>
</div>
</div>
)
答:
2赞
Pascal Thurow
11/14/2023
#1
也许这样的东西对你有用?我使用地图功能来获取每一行,然后使用同样的东西来获取每个座位:
return (
<div className="w-full h-full overflow-auto scrollbar-hide">
<div className="w-full h-full flex flex-1 bg-black">
{generateSeats().map((row) => {
return row.map((seat) => {
return (
<div className="bg-white w-[12px] h-[12px] rounded-t-[10px]">
{/*Here you can access every value by seat.<value>*/}
{seat.number}
</div>
);
});
})}
</div>
</div>
);
评论
0赞
bamb1
11/15/2023
完善!这正是我所缺少的。谢谢帕斯卡!
评论
generateSeats