效果图：
<!DOCTYPE html><html><head><meta charset="UTF-8"><title></title><script src="js/jquery-3.4.0.min.js" type="text/javascript" charset="utf-8"></script><script type="text/javascript">$(function(){$("img").click(function(){$("#img1").attr({"src":$(this).attr("src")}); //attr获取属性和修改属性以及添加属性$("#p1").html($(this).attr("title"));})})</script><style type="text/css">#all{margin: 50px auto;/*border: 1px solid red;*/width: 370px;}h2{margin: auto;text-align: center;}#all img{width: 70px;height: 100px;}#one img{width: 370px;height: 480px;}</style></head><body><div id="all"><h2>美女画廊</h2><img src="img/girl2.jpg" title="美女照片一"/><img src="img/girl3.jpg" title="美女照片二"/><img src="img/girl4.jpg" title="美女照片三"/><img src="img/girl5.jpg" title="美女照片四"/><img src="img/girl6.jpg" title="美女照片五"/><div id="one"><img src="img/girl2.jpg" id="img1"/><p id="p1">喜欢么？</p></div></div></body></html>
