1，给你要点赞的a标签或者button按钮添加 id="zan" 属性

2，给你需要显示点赞数的标签加上 class="shu" 属性

3，将下面的js代码放到你网站内容页

<script>function makeRequest(url, callback, method) { var xhr = new XMLHttpRequest(); xhr.open(method, url); xhr.onreadystatechange = function() { if (xhr.readyState === 4 && xhr.status === 200) { callback(xhr.responseText); } }; xhr.send();}function updateLikes(event) { event.preventDefault(); // 阻止默认链接行为 var likesCountElement = document.querySelector('.shu'); var likeButton = document.getElementById('zan'); var url = "/e/public/digg/?classid=[!--classid--]&id=[!--id--]&dotop=1&doajax=1&ajaxarea=diggnum"; makeRequest(url, function(responseText) { var responseArray = responseText.split("|"); var likes = responseArray[0]; likesCountElement.textContent = likes; alert(responseArray[2]); }, "GET");}var likeButton = document.getElementById('zan');likeButton.addEventListener('click', updateLikes);</script>
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