本帖最后由 J.Wong 于 2021-11-23 19:47 编辑
[HTML] 纯文本查看 复制代码 <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
margin: 0px;
padding: 0px;
}
.searchBox {
box-sizing: border-box;
width: 600px;
height: 400px;
position: fixed;
left: 50%;
top: 50%;
margin-top: -200px;
margin-left: -250px;
}
.searchBox .search {
box-sizing: border-box;
width: 500px;
height: 40px;
line-height: 40px;
outline-style: none;
border-radius: 6px 0px 0px 6px;
border: 2px solid #4569ff;
padding-left: 10px;
}
.searchBtn {
box-sizing: border-box;
width: 100px;
height: 40px;
line-height: 40px;
text-align: center;
background: #4569ff;
position: absolute;
top: 0px;
right: 0px;
color: #fff;
border-radius: 0px 6px 6px 0px;
cursor: grab;
}
.searchBox .oninput {
box-sizing: border-box;
width: 500px;
height: 40px;
line-height: 40px;
outline-style: none;
border-radius: 6px 0px 0px 0px;
border: 2px solid #4569ff;
border-bottom: 0px;
padding-left: 10px;
}
.searchBox .tips {
display: none;
}
.searchBox .tipsShow {
display: block;
box-sizing: border-box;
width: 500px;
border-left: 2px solid #4569ff;
border-right: 2px solid #4569ff;
border-bottom: 2px solid #4569ff;
border-radius: 0px 0px 6px 6px;
margin-top: -5px;
padding: 10px 0px;
}
.tipsShow::after {
content: '';
display: block;
position: absolute;
top: 40px;
left: 10px;
width: 480px;
height: 1px;
background: #ccc;
}
ul li {
list-style: none;
height: 30px;
line-height: 30px;
margin-top: 5px;
padding-left: 10px;
}
ul li a {
text-decoration: none;
color: #000;
}
</style>
</head>
<body>
<div class="searchBox">
<input type="text" id="search" class="search">
<div id="searchBtn" class="searchBtn">百度一下</div>
<ul id="tips" class="tips">
</ul>
</div>
<script src="/js/template-web.js"></script>
<script type='text/html' id="tpl">
{{each resault}}
<li><a href=https://www.baidu.com/s?wd={{$value.q}}>{{$value.q}}</a></li>
{{/each}}
</script>
<script>
var search = document.getElementById('search');
var ullist = document.getElementById('tips');
var searchBtn = document.getElementById('searchBtn');
console.log(searchBtn);
searchBtn.onclick = () => {
window.location = 'https://www.baidu.com/s?wd=' + search.value
}
function jsonp(options) {
var funName = options.reqStr.funnameStr + (+new Date());
window[funName] = options.successs;
var params = '';
for (const arr in options.data) {
params += '&' + arr + '=' + options.data[arr]
}
var getUrl = options.url + params + '&' + options.reqStr.callbackname + '=' + funName;
var script = document.createElement('script');
script.src = getUrl;
document.body.appendChild(script);
script.onload = () => {
document.body.removeChild(script);
}
}
search.addEventListener('input', () => {
var searchValue = search.value;
if (searchValue.trim() == '') {
search.className = 'search';
ullist.className = 'tips'
return
} else {
jsonp({
url: 'https://www.baidu.com/sugrec?pre=1&p=3&ie=utf-8&json=1&prod=pc&from=pc_web&sugsid=35262,35105,35049,34584,34505,34532,35246,34606,26350,35147' +
searchValue,
reqStr: {
callbackname: 'cb',
funnameStr: 'jQuery',
},
data: {
wd: searchValue,
},
successs: (data) => {
var html = template('tpl', {
resault: data.g
});
ullist.innerHTML = html;
ullist.className = 'tipsShow';
search.className = 'oninput';
}
});
}
})
</script>
</body>
</html>
说明：使用代码前需要自行引入art-template模版引擎。
小弟目前刚学AJax+jsopn，自己摸索做了一个小案例，主要调用百度接口实现百度搜索框智能提示
但发现一个小问题无法解决：
在搜索框输入内容后，如果依次删除搜索框里的内容直到搜索框为空，下面的智能提示框会消失
如果用键盘上的backspace键一直按着不放删除内容直到搜索框内容为空，下面的提示框不会消失，这个不知道怎么解决？
大佬能指教下不？另外代码还有没有啥可优化的地方？不胜感激！ | 
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发表于 2021-11-23 19:46
