<span class="" title="">来源:河南日报客户端</span>用该方法提取其中的文字
时间: 2023-07-06 21:06:01 浏览: 41
使用Python可以通过BeautifulSoup库来实现:
```python
from bs4 import BeautifulSoup
html = '<span class="" title="">来源:河南日报客户端</span>'
soup = BeautifulSoup(html, 'html.parser')
text = soup.get_text()
print(text)
```
输出结果为:来源:河南日报客户端
相关问题
<div class="cent"> <span style="display: inline;">2023-05-24 10:46:38</span> <span class="" title="">来源:河南日报客户端</span> </div>这样的话,你再用该方法提取 来源:河南日报客户端
如果你想提取出“来源:河南日报客户端”,可以使用正则表达式或者字符串截取的方法。以下是使用字符串截取的示例代码:
```
text = '<div class="cent"> <span style="display: inline;">2023-05-24 10:46:38</span> <span class="" title="">来源:河南日报客户端</span> </div>'
start = text.find('来源:')
end = text.find('</span>', start)
source = text[start:end]
print(source)
```
这段代码首先找到字符串中“来源:”的位置,然后从该位置开始找到下一个“</span>”的位置,最后截取出“来源:河南日报客户端”这个字符串。
<body> <div class="countdown"> <p class="next">今天是2023年4月24日</p> <p class="title">下课倒计时</p> <p class="clock"> <span id="hour">00</span> <i>:</i> <span id="minutes">25</span> <i>:</i> <span id="scond">20</span> </p> <p class="tips"> 现在是09:00:00 </p> </div> <script> </script> </body>补全以上的JavaScript代码
可以使用以下代码实现下课倒计时:
```
<script>
// 获取倒计时元素
const hourEl = document.getElementById('hour')
const minuteEl = document.getElementById('minutes')
const secondEl = document.getElementById('scond')
// 设定下课时间(24小时制)
const hour = 14
const minute = 25
const second = 0
// 更新倒计时函数
function updateCountdown() {
// 获取当前时间
const now = new Date()
const currentHour = now.getHours()
const currentMinute = now.getMinutes()
const currentSecond = now.getSeconds()
// 计算剩余时间
let remainingHour = hour - currentHour
let remainingMinute = minute - currentMinute
let remainingSecond = second - currentSecond
// 处理时间不足的情况
if (remainingSecond < 0) {
remainingSecond += 60
remainingMinute -= 1
}
if (remainingMinute < 0) {
remainingMinute += 60
remainingHour -= 1
}
if (remainingHour < 0) {
remainingHour += 24
}
// 更新倒计时元素
hourEl.innerText = remainingHour.toString().padStart(2, '0')
minuteEl.innerText = remainingMinute.toString().padStart(2, '0')
secondEl.innerText = remainingSecond.toString().padStart(2, '0')
}
// 初次更新倒计时
updateCountdown()
// 每秒更新倒计时
setInterval(updateCountdown, 1000)
</script>
```
其中,倒计时元素的 HTML 结构如下:
```
<div class="countdown">
<p class="next">今天是2023年4月24日</p>
<p class="title">下课倒计时</p>
<p class="clock">
<span id="hour">00</span>
<i>:</i>
<span id="minutes">25</span>
<i>:</i>
<span id="scond">20</span>
</p>
<p class="tips">
现在是09:00:00
</p>
</div>
```
其中,`hour`、`minutes`、`scond` 分别是小时、分钟和秒数的元素 ID。可以根据实际需要进行修改。
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