当前周的某一天的返回日期

// 获取当前日期
var currentDate = new Date();

// 获取当前周的某一天的日期
var targetDay = 1; // 假设目标日期是周一
var diff = currentDate.getDay() - targetDay;
if (diff < 0) {
  diff += 7;
}
var targetDate = new Date(currentDate.getFullYear(), currentDate.getMonth(), currentDate.getDate() - diff);

// 输出结果
console.log(targetDate);

import datetime

# 获取当前日期
current_date = datetime.datetime.now()

# 获取当前周的某一天的日期
target_day = 0  # 假设目标日期是周日
diff = current_date.weekday() - target_day
if diff < 0:
    diff += 7
target_date = current_date - datetime.timedelta(days=diff)

# 输出结果
print(target_date)