利用Ajax實(shí)現(xiàn)智能回答的機(jī)器人示例代碼
下圖是效果(文章末尾有所有的源代碼)
一、實(shí)現(xiàn)人機(jī)交互步驟:
獲取dom元素,創(chuàng)建點(diǎn)擊事件/鍵盤事件 將我說的話傳進(jìn)ajax服務(wù)器中,獲取機(jī)器人說的話,then()中的數(shù)據(jù)找到 創(chuàng)建子節(jié)點(diǎn)追加并且渲染數(shù)據(jù)出來 每次說完了都滾動(dòng)到對(duì)話框最下面來① 獲取dom元素,創(chuàng)建點(diǎn)擊事件/鍵盤事件
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將我說的話傳進(jìn)ajax服務(wù)器中
axios.get('http://ajax-api.itheima.net/api/robot',{ params: { spoken: val}}).then(res => { console.log(res);//res本質(zhì)是服務(wù)器響應(yīng)的值 console.log(res.data.data.info.text); const words = res.data.data.info.text
這是服務(wù)器響應(yīng)數(shù)據(jù)返回的值所在的位置(res.data.data.info.text)
③創(chuàng)建子節(jié)點(diǎn)追加并且渲染數(shù)據(jù)出來
li.classname = 'left_word' document.queryselector('#talk_list').appendchild(li) li.innerhtml = `<img src="lib/img/person01.png" /> ${words}</li>`
④ 每次說完了都滾動(dòng)到對(duì)話框最下面來
document.queryselector('ul').scrolltop = document.queryselector('ul').scrollheight
以上這是傳入ajax發(fā)送的數(shù)據(jù)渲染,我們發(fā)的val同理渲染
// 自己發(fā)的 const li = document.createelement('li') li.classname = 'right_word' document.queryselector('#talk_list').appendchild(li) li.innerhtml = `<img src="lib/img/person02.png" /> ${val}</li>` ipt.value='' // 滾動(dòng)到頁面最下面 document.queryselector('ul').scrolltop = document.queryselector('ul').scrollheight
此時(shí)再進(jìn)行校驗(yàn)下:
二、以上的源碼(圖片素材不方便傳,自己隨便定義啦~)
<!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_問答機(jī)器人</title> <link rel="stylesheet" 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"> <!-- 頭部 header 區(qū)域 --> <div class="header"> <h3>小思同學(xué)</h3> <img src="lib/img/person01.png" alt="icon" /> </div> <!-- 中間 聊天內(nèi)容區(qū)域 --> <div class="main"> <ul class="talk_list" style="top: 0px;" id="talk_list"> <!-- 機(jī)器人 --> <!-- 我 --> </ul> </div> <!-- 底部 消息編輯區(qū)域 --> <div class="footer"> <img src="lib/img/person02.png" alt="icon" /> <input type="text" placeholder="說的什么吧..." class="input_txt" id="ipt" /> <input type="button" value="發(fā) 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> /* 實(shí)現(xiàn)人機(jī)交互步驟 1.溝通:通過創(chuàng)建節(jié)點(diǎn)的方法獲取我說的話并渲染出來 2.將我說的話傳進(jìn)ajax服務(wù)器中 3.獲取機(jī)器人說的話并且渲染出來 4.每次說完了都滾動(dòng)到對(duì)話框最下面來 */ 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本質(zhì)是服務(wù)器響應(yīng)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="lib/img/person01.png" /> ${words}</li>` // 滾動(dòng)到頁面最下面 document.queryselector('ul').scrolltop = document.queryselector('ul').scrollheight }) // 自己發(fā)的 const li = document.createelement('li') li.classname = 'right_word' document.queryselector('#talk_list').appendchild(li) li.innerhtml = `<img src="lib/img/person02.png" /> ${val}</li>` ipt.value='' // 滾動(dòng)到頁面最下面 document.queryselector('ul').scrolltop = document.queryselector('ul').scrollheight }) </script> </body> </html>
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