解决方法：

import {View,Text} from 'react-native';

export default function App() {

  const ShowDates = () => {
    const dString = '29/10/2022';
    const days = 30;

    let [day, month, year] = dString.split('/');

    // month - 1 as month in the Date constructor is zero indexed
    const now = new Date(year, month - 1, day);
    let loopDay = now;

    let tempArray = [];

    for (let i = 0; i <= days; i++) {
      loopDay.setDate(loopDay.getDate() + 6);
      tempArray.push(loopDay);
    } 

    return tempArray;
  } 

  return (
    <View style={{flex:1,justifyContent:'center',alignItems:'center',paddingTop:30}}>
    {ShowDates()?.map((item,index)=>(
      <Text key={index}>Day : {item.toLocaleString()} </Text>
    ))}
    </View>
  );
}

Solution Image
希望能有所帮助😊

一种方法是将所有循环天数添加到数组中，如下所示：
要增加日期，可以乘以i以增加偏移量。

const loopDays = [];
const now = new Date(year, month - 1, day);
for (let i = 0; i <= days; i++) {
  const loopDay = new Date(now);
  loopDay.setDate(loopDay.getDate() + 6 * (i + 1));
  console.log("Day: " + loopDay);
  loopDays.push(loopDay);
}

您可以通过在loopDays上循环来显示它们，如下所示

return (
  <View>
    {loopDays.map((day) => {
      return <Text>Day: {day}</Text>;
    })}
  </View>
);