JavaScript 积分计算代码示例

// 定义积分规则
const rules = {
  "login": 10, // 每次登录获得10分
  "share": 5, // 每次分享获得5分
  "comment": 2 // 每次评论获得2分
};

// 获取用户当前积分
function getPoints(userId) {
  let points = parseInt(localStorage.getItem(`points_${userId}`));
  if (isNaN(points)) {
    points = 0;
    localStorage.setItem(`points_${userId}`, points);
  }
  return points;
}

// 计算用户获得积分
function calculatePoints(userId, action) {
  const points = getPoints(userId);
  const pointsToAdd = rules[action];
  if (pointsToAdd) {
    const totalPoints = points + pointsToAdd;
    localStorage.setItem(`points_${userId}`, totalPoints);
    return totalPoints;
  } else {
    return points;
  }
}

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