abstract:<!DOCTYPE html> <html> <head> <title>智能在线客服系统</title> <style type="text/css"> div:nth-child(1){width: 450px; height: 650px;
<!DOCTYPE html> <html> <head> <title>智能在线客服系统</title> <style type="text/css"> div:nth-child(1){width: 450px; height: 650px; background-color: lightskyblue; margin: 30px auto; color: #333; box-shadow: 2px 2px 2px #808080; } h2{ text-align: center; margin-bottom: -10px; } div:nth-child(2){ width: 400px; height: 500px; border: 4px double green; background-color: #efefef; margin: 20px auto 10px; } ul{ list-style:none; line-height: 2em; overflow: hidden; padding: 15px; } table{ width: 90%; height: 80px; margin: auto; } textarea{ border: none; resize: none; background-color: lightyellow; } button{ width: 60px; height: 40px; background-color: seagreen; color: white; border: none; } button:hover{ cursor: pointer; background-color: orange; } </style> </head> <body> <div> <h2>在线客服</h2> <div contenteditable="true"> <ul> <li></li> </ul> </div> <table> <tr> <td align="right"><textarea name="text" cols="50" rows="4"></textarea></td> <td align="left"><button type="button">发送</button></td> </tr> </table> </div> <script type="text/javascript"> var btn=document.getElementsByTagName('button')[0]; let text = document.getElementsByName('text')[0]; var list=document.getElementsByTagName('ul')[0]; var sum=0; btn.onclick=function(){ //创建一个新的标签li; var li=document.createElement('li'); var userCommer=text.value; if (userCommer.length ==0) { alert('请输入想说的话'); return false; } var me="我说:"; li.innerHTML=me+userCommer list.appendChild(li); text.value =''; sum += 1; //自动回复 setTimeout(function(){ var info=[ '不是我', '真的不是我', '都说了住的不是我', '好吧,其实不是我' ]; //随机回复; //随机数向下取整; //(0-1的随机数)*4=0-4的随机数,然后在向下取整; var temp=Math.floor(Math.random()*4) //得到随机出现的对话; var speak=info[temp]; //在声明一个标签li; var lis=document.createElement('li'); var people='客服说:'; //改变lis里面的内容; lis.innerHTML=people+'<span style="color:red">'+speak+'</span>'; // 在ul里面添加lis' list.appendChild(lis); sum += 1; },2000) if (sum>10) { list.innerHTML=""; sum=0; } } </script> </body> </html>
Correcting teacher:查无此人Correction time:2019-04-16 09:33:34
Teacher's summary:完成的不错。以后学了php,就可以从数据库拿回复话了。像京东那样机器回复。