下图是效果(文章末尾有所有的源代码)
一、实现人机交互步骤:
获取dom元素,创建点击事件/键盘事件 将我说的话传进ajax服务器中,获取机器人说的话,then()中的数据找到 创建子节点追加并且渲染数据出来 每次说完了都滚动到对话框最下面来
① 获取dom元素,创建点击事件/键盘事件
const btn = document.querySelector('#btnSend') const ipt = document.querySelector('#ipt') ipt.addEventListener('keyup', function (e) { if (e.key === 'Enter') { btn.click() } }) btn.addEventListener('click', () => { const val = ipt.value.trim() console.log(val);
②将我说的话传进ajax服务器中
axios.get('http://ajax-api.itheima.net/api/robot',{ params: { spoken: val}}).then(res => { console.log(res);//res本质是服务器响应的值 console.log(res.data.data.info.text); const words = res.data.data.info.text
这是服务器响应数据返回的值所在的位置(res.data.data.info.text)
③创建子节点追加并且渲染数据出来
li.className = 'left_word' document.querySelector('#talk_list').appendChild(li) li.innerHTML = `<img src="https://www.atool.online/article/lib/img/person01.png" /> <span>${words}</span></li>`
④ 每次说完了都滚动到对话框最下面来
document.querySelector('ul').scrollTop = document.querySelector('ul').scrollHeight
以上这是传入Ajax发送的数据渲染,我们发的val同理渲染
// 自己发的 const li = document.createElement('li') li.className = 'right_word' document.querySelector('#talk_list').appendChild(li) li.innerHTML = `<img src="https://www.atool.online/article/lib/img/person02.png" /> <span>${val}</span></li>` ipt.value='' // 滚动到页面最下面 document.querySelector('ul').scrollTop = document.querySelector('ul').scrollHeight
此时再进行校验下:
二、以上的源码(图片素材不方便传,自己随便定义啦~)
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta http-equiv="X-UA-Compatible" content="ie=edge" /> <title>案例_问答机器人</title> <link rel="stylesheet" href="https://unpkg.com/reset.css@2.0.2/reset.css" rel="external nofollow" /> <style> body { margin: 0; font-family: 'Microsoft YaHei', sans-serif; } .wrap { position: absolute; width: 100%; height: 100%; overflow: hidden; } .header { height: 55px; background: linear-gradient(90deg, rgba(246, 60, 47, 0.6), rgba(128, 58, 242, 0.6)); overflow: hidden; } .header h3 { color: #faf3fc; line-height: 55px; font-weight: normal; float: left; letter-spacing: 2px; margin-left: 25px; font-size: 18px; text-shadow: 0px 0px 5px #944846; } .header img { float: right; margin: 7px 25px 0 0; border-radius: 20px; box-shadow: 0 0 5px #f7f2fe; } .main { position: absolute; left: 0; right: 0; top: 55px; bottom: 55px; background-color: #f4f3f3; box-sizing: border-box; overflow: hidden; } .talk_list { width: 100%; height: 100%; overflow-y: auto; } .talk_list li { overflow: hidden; margin: 20px 0px 30px; display: flex; } .talk_list .left_word { justify-content: flex-start; } .talk_list .left_word img { margin-left: 20px; width: 44px; height: 44px; } .talk_list .left_word span { background-color: #fe9697; padding: 10px 15px; border-radius: 12px; font-size: 16px; color: #fff; margin-left: 15px; margin-right: 20px; position: relative; line-height: 24px; } .talk_list .left_word span:before { content: ''; position: absolute; left: -8px; top: 12px; width: 13px; height: 12px; background: url('../day01/lib/img/corner01.png') no-repeat; } .talk_list .right_word { justify-content: flex-end; } .talk_list .right_word img { margin-right: 20px; width: 44px; height: 44px; } .talk_list .right_word span { background-color: #fff; padding: 10px 15px; border-radius: 12px; font-size: 16px; color: #000; margin-right: 15px; margin-left: 20px; position: relative; line-height: 24px; } .talk_list .right_word span:before { content: ''; position: absolute; right: -8px; top: 12px; width: 13px; height: 12px; background: url('../day01/lib/img/corner02.png') no-repeat; } .footer { width: 100%; height: 55px; left: 0px; bottom: 0px; background-color: #fff; position: absolute; display: flex; align-items: center; padding: 0 10px; box-sizing: border-box; } .input_txt { height: 37px; border: 0px; background-color: #f4f3f3; border-radius: 8px; padding: 0px; margin: 0 10px; outline: none; text-indent: 15px; flex: 1; } .input_sub { width: 70px; height: 37px; border: 0px; background-color: #fe9697; margin: 0; border-radius: 8px; padding: 0px; outline: none; color: #fff; cursor: pointer; } </style> </head> <body> <div class="wrap"> <!-- 头部 Header 区域 --> <div class="header"> <h3>小思同学</h3> <img src="https://www.atool.online/article/lib/img/person01.png" alt="icon" /> </div> <!-- 中间 聊天内容区域 --> <div class="main"> <ul class="talk_list" style="top: 0px;" id="talk_list"> <!-- 机器人 --> <!-- 我 --> </ul> </div> <!-- 底部 消息编辑区域 --> <div class="footer"> <img src="https://www.atool.online/article/lib/img/person02.png" alt="icon" /> <input type="text" placeholder="说的什么吧..." class="input_txt" id="ipt" /> <input type="button" value="发 送" class="input_sub" id="btnSend" /> </div> </div> <script src="https://cdn.jsdelivr.net/npm/axios@0.27.2/dist/axios.min.js"></script> <script> /* 实现人机交互步骤 1.沟通:通过创建节点的方法获取我说的话并渲染出来 2.将我说的话传进ajax服务器中 3.获取机器人说的话并且渲染出来 4.每次说完了都滚动到对话框最下面来 */ const btn = document.querySelector('#btnSend') const ipt = document.querySelector('#ipt') ipt.addEventListener('keyup', function (e) { if (e.key === 'Enter') { btn.click() } }) btn.addEventListener('click', () => { const val = ipt.value.trim() console.log(val); axios.get('http://ajax-api.itheima.net/api/robot',{ params: { spoken: val}}).then(res => { console.log(res);//res本质是服务器响应的值 console.log(res.data.data.info.text); const words = res.data.data.info.text const li = document.createElement('li') li.className = 'left_word' document.querySelector('#talk_list').appendChild(li) li.innerHTML = `<img src="https://www.atool.online/article/lib/img/person01.png" /> <span>${words}</span></li>` // 滚动到页面最下面 document.querySelector('ul').scrollTop = document.querySelector('ul').scrollHeight }) // 自己发的 const li = document.createElement('li') li.className = 'right_word' document.querySelector('#talk_list').appendChild(li) li.innerHTML = `<img src="https://www.atool.online/article/lib/img/person02.png" /> <span>${val}</span></li>` ipt.value='' // 滚动到页面最下面 document.querySelector('ul').scrollTop = document.querySelector('ul').scrollHeight }) </script> </body> </html>
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