今天呢给大家分享一下自己用原生JS做的一个百度搜索功能,下面上代码:
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <!--百度iocn图标--> <link rel="shortcut icon" href="https://www.baidu.com/favicon.ico" type="image/x-icon"/> <title>百度一下,你就知道</title> <style type="text/css"> body{/*清除浏览器自带样式*/ margin: 0; padding: 0; } .box{/*最大的盒子*/ width: 100%; /*background: yellow;*/ height: 636px; background-image:url("https://ss1.bdstatic.com/kvoZeXSm1A5BphGlnYG/skin/880.jpg?2"); background-size: 100%; } .box_log{/*log盒子*/ width: 100%; } .box_log img{/*百度log*/ width: 19.8%; margin-left: 49.4%; transform: translate(-50%); margin-top: 38px; margin-bottom: 19px; } .box_text{/*text搜索框盒子大小*/ width: 100%; height: 36px; } .log_img{/*input框中的小相机*/ position: absolute; left: 865px; top: 202px; } #text{ width: 540px; height: 36px; box-sizing: border-box; margin-left: 355px; margin-top: 3px; text-indent: 4px; } #btn{ width: 100px; height: 36px; background: #3385FF; border: 0px; letter-spacing: 1px; color: white; margin-left: -5px; font-size: 15px; box-sizing: border-box; transform: translateY(2px); box-sizing: border-box; } #btn:hover{ cursor: pointer; } #search{ width: 540px; /*background: yellow;*/ margin: 0; padding: 0; margin-left: 355px; list-style: none; display: none; border: 1px solid #E3E5E4; } #search li{ line-height: 36px; background: white; } #search li:hover{ background: #F0F0F0; } .li1{ text-indent: 4px; } </style> </head> <body> <div class="box"> <div class="box_log"> <img src="../img/superlogo_c4d7df0a003d3db9b65e9ef0fe6da1ec.png"/> </div> <div class="box_text"> <img src="../img/QQ图片20180119115441.png" class="log_img"/> <input type="text" name="text" id="text" value=""/> <input type="button" name="bdyx" id="btn" value="百度一下" /> <ul id="search"> <li class="li1" id="0" onclick="iptShow(this.id)"></li> <li class="li1" id="1" onclick="iptShow(this.id)"></li> <li class="li1" id="2" onclick="iptShow(this.id)"></li> <li class="li1" id="3" onclick="iptShow(this.id)"></li> <li class="li1" id="4" onclick="iptShow(this.id)"></li> <li class="li1" id="5" onclick="iptShow(this.id)"></li> <li class="li1" id="6" onclick="iptShow(this.id)"></li> <li class="li1" id="7" onclick="iptShow(this.id)"></li> <li class="li1" id="8" onclick="iptShow(this.id)"></li> <li class="li1" id="9" onclick="iptShow(this.id)"></li> </ul> </div> </div> <script> var otext = document.getElementById("text"); //获取input框 ose = document.querySelector("#search"); //通过类名选择器 选择到search框 lis = document.getElementsByClassName("li1"); //获取所有的li otext.onkeyup = function(){ //当在input框中键盘弹起发生事件 ose.style.display = otext.value?"block":"none"; /*三目运算符,如果otext.value的值部位空,则block。*/ var osc = document.createElement("script"); /*创建一个script标签*/ osc.src = "https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd="+otext.value+"&cb=houxiaowei"; /*srcipt的src值引入百度的url,然后将otext文本框中输入的内容连接到url,在后面在运行自己的方法*/ document.body.appendChild(osc); /*将创建好的script标签元素放入body中*/ /*input框中按下回车根据input的值跳转页面*/ if(event.keyCode==13){ /*将百度作为连接,传入input的值,并跳入新的页面*/ window.location.href = "https://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&rsv_idx=1&tn=baidu&wd="+otext.value } } var count = 0; var search = 0; var arr = ose.children; /*获取ose下的所有li*/ function houxiaowei(json){ var jsonLength = 0; /*json长度的初始值*/ // console.log(json.s); 打印json数据中的所有数据 for(var x in json.s){ /*将循环的次数变成json的长度*/ jsonLength++; } // console.log(jsonLength); 打印json数据的长度 for(var i=0;i<lis.length;i++){ if(jsonLength==0){ /*如果遍历出的长度等于0,li的值为空*/ arr[i].innerHTML = null; }else{ if(json.s[i]!=null){/*如果json[i]的值不等于空,则将它的值放入li中*/ arr[i].innerHTML = json.s[i]; } } } if(count==lis.length-1){ count=0; search=0; } count++; search++; } /*单击li中的值显示在input框中*/ function iptShow(thisId){ otext.value = arr[thisId].innerHTML; window.location.href = "https://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&rsv_idx=1&tn=baidu&wd="+otext.value } /*单击body中的任意地方隐藏li*/ document.body.onclick = function(){ ose.style.display = "none"; } /*单击百度btn的时候触发,并跳到新的连接*/ var btn = document.querySelector("#btn"); btn.onclick = function(){ /*获取当前input的值*/ var otext = document.getElementById("text").value; /*将百度作为连接,传入input的值,并跳入新的页面*/ window.location.href = "https://www.baidu.com/s?ie=utf-8&f=8&rsv_bp=1&rsv_idx=1&tn=baidu&wd="+otext } </script> </body> </html>