每天一個jquery插件-做搜索歷史,供大家參考,具體內容如下
效果如下
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<!DOCTYPE html> < html > < head > < meta charset = "utf-8" > < title >做搜索歷史</ title > < script src = "js/jquery-3.4.1.min.js" ></ script > < style > *{ margin: 0px; padding: 0px; } #searchbox{ /* border: 1px solid lightgray; */ height: 40px; width: 720px; position: relative; } #searchinput{ border: 1px solid lightgray; border-radius: 5px 0px 0px 5px; height: 28px; position: absolute; right: 45px; top: 5px; left: 5px; width: 670px; outline: none; text-indent: 12px; font-size: 12px; color: gray; } #searchinput:focus{ border-color: rgb(252,25,68); } #searchinput:focus~#morebox{ display:flex; } #searchbtn{ height: 30px; width: 40px; border: none; border-radius: 0px 5px 5px 0px; background-color: rgb(252,25,68); position: absolute; right: 5px; top: 5px; display: flex; justify-content: center; align-items: center; cursor: pointer; } #searchbtn img{ width: 25px; height: 25px; } #morebox{ border: 1px solid lightgray; position: absolute; top: 40px; left: 5px; right: 5px; height: 370px; z-index: 7; border-radius: 2px; display: flex; display: none; } #push{ flex: 1; /* border: 1px solid lightgray; */ position: relative; } #history{ /* display: none; */ flex: 1; /* border: 1px solid lightgray; */ position: relative; } .head{ position: absolute; top: 0px; width: 100%; height: 30px; border-bottom: 1px solid lightgray; font-size: 12px; display: flex; align-items: center; text-indent: 12px; color: rgb(252,85,49); } .main{ position: absolute; top: 30px; width: 100%; bottom: 0px; overflow-x:hidden; overflow-y: auto; } .item{ font-size: 12px; height: 30px; display: flex; align-items: center; text-indent: 12px; cursor: pointer; } .item:hover{ background-color: lightgray; } </ style > </ head > < body > < div id = "searchbox" > < input id = "searchinput" placeholder = "c一下" /> < button id = "searchbtn" >< img src = "img/sc.png" ></ button > < div id = "morebox" > < div id = "history" > < div class = "head" >搜索歷史</ div > < div class = "main" ></ div > </ div > < div id = "push" > < div class = "head" >熱門推薦</ div > < div class = "main" > < div class = "item" >微軟終于對JDK下手了</ div > < div class = "item" >小米隔空充電技術</ div > < div class = "item" >Linux常用命令大全</ div > < div class = "item" >阿飛超努力又水文了</ div > < div class = "item" >每天學一個jquery插件竟然沒有插件!究竟是道德的淪喪,還是人性的扭曲</ div > </ div > </ div > </ div > </ div > </ body > </ html > < script > $(document).ready(function(){ //每次點擊搜索就假如緩存之中 // $(".item").click(function(){ var str = $(this).text(); $("#searchinput").val(str) }) // localStorage["history"] = '[]'//清除一下緩存; drawhistory(); $("#searchbtn").click(function(){ var str = $("#searchinput").val(); if(str&&str!=""){ var arr = getSession(); arr.push(str); localStorage["history"] = JSON.stringify(arr); drawhistory(); } }) getSession(); //根據緩存找到歷史,然后生成搜索歷史 function drawhistory(){ var arr = getSession(); $("#history .main .item").remove(); arr.forEach(item=>{ var $item = $("< div class = 'item' >"+item+"</ div >"); $item.appendTo($("#history .main")); }) } //獲得緩存 function getSession(){ var ses = localStorage["history"]; var arr = ses==undefined?[]:JSON.parse(ses); return arr; } }) </ script > |
思路解釋
1、布局是個硬傷,我也不知道我這個布局是不是最合適的,不過看著沒毛病
2、然后歷史部分就是存到localStorage里面,在合適的動作的地方處理成對應的效果放回dom里面
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持服務器之家。
原文鏈接:https://blog.csdn.net/weixin_44142582/article/details/115935029