软件开发定制定制实现表单的增删改查
html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> <link rel="stylesheet" href="./font-awesome-4.7.0/css/font-awesome.min.css"> <style> * { margin: 0; padding: 0; } .wrapper { box-sizing: border-box; position: relative; width: 1349px; margin: 0 auto; padding-left: 175px; } .wrapper .add { width: 110px; line-height: 35px; border-radius: 8px; background-color: #327AB7; color: #fff; /* font-size: 18px; font-weight: bold; */ text-align: center; } .top { margin-top: 10px; } .top input { line-height: 35px; } .top button { line-height: 35px; width: 80px; background-color: #327AB7; color: #fff; border: none; outline: none; border-radius: 5px; } table tr { width: 1000px; text-align: left; border-bottom: 1px solid lightgray; /* background-color: #F9F9F9; */ } th, td { width: 250px; line-height: 50px; float: left; border-bottom: 1px solid lightgray; } tr span { display: inline-block; width: 60px; line-height: 25px; text-align: center; color: #fff; border-radius: 3px; font-size: 14px; margin-right: 10px; } tr .update { background-color: #5CB75C; } tr .del { background-color: #D9534F; } .bg1, .bg2 { position: absolute; left: 0; top: 0; width: 100%; height: 100vh; background-color: rgba(0, 0, 0, 0.5); display: none; } .addList, .updateList { position: relative; z-index: 100; /* top: 200px; left: 200px; */ width: 400px; height: 230px; border: 1px solid gray; border-radius: 5px; /* display: none; */ background-color: #fff; margin-left: 450px; margin-top: 200px; z-index: 100; } .addList input, .updateList input { /* outline: none; */ width: 380px; line-height: 25px; margin-top: 20px; margin-left: 8px; outline: skyblue; /* border-radius: 3px; */ /* margin: 0 auto; */ } .addList .title, .updateList .title { margin-top: 10px; padding-left: 10px; padding-bottom: 20px; border-bottom: 1px solid lightgray; } .addList .btn, .updateList .btn { text-align: right; margin-top: 10px; padding-top: 10px; padding-right: 10px; border-top: 1px solid lightgray; font-size: 14px; } .addList .btn .close, .updateList .btn .close { display: inline-block; width: 50px; line-height: 30px; text-align: center; border-radius: 2px; border: 1px solid gray; } .addList .btn .qr, .updateList .btn .qr { display: inline-block; width: 80px; line-height: 30px; text-align: center; border-radius: 2px; border: 1px solid gray; background-color: #327AB7; color: #fff; } </style></head><body> <div class="wrapper"> <div class="add"> <i class="fa fa-plus"></i><span>添加记录</span> </div> <div class="top"> <input type="text" placeholder="软件开发定制定制软件开发定制定制请输入用户名"> <button><i class="fa fa-search" aria-hidden="true"></i><span>查询</span></button> </div> <table border="0"> <tr class="first"> <th>id</th> <th>username</th> <th>password</th> <th>操作</th> </tr> <!-- <tr> <td>1</td> <td>张三</td> <td>123456</td> <td><span class="update"><i class="fa fa-pencil" aria-hidden="true"></i>修改</span><span class="del"><i class="fa fa-trash" aria-hidden="true"></i>删除</span></td> </tr> --> </table> <div class="bg1"> <div class="addList"> <div class="title"> 添加记录 </div> <div class="username"> <input type="text" placeholder="请输入用户名"> </div> <div class="pwd"> <input type="password" placeholder="软件开发定制定制请输入密码"> </div> <div class="btn"> <span class="close">关闭</span> <span class="qr">确认添加</span> </div> </div> </div> <div class="bg2"> <div class="updateList"> <div class="title"> 修改记录 </div> <input type="hidden" class="hidden"> <div class="username"> <input type="text" placeholder="请输入用户名"> </div> <div class="pwd"> <input type="password" placeholder="请输入密码"> </div> <div class="btn"> <span class="close">关闭</span> <span class="qr">确认修改</span> </div> </div> </div> </div> </body></html>- 1
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本地存储
/********本地存储***************/ var ary;//声明用来接收本地存储的数组 var nextId = localStorage.nextId || 0;//nextId放与本地存储中 // 获取本地存储 function getInfo() { return localStorage.list == undefined ? [] : JSON.parse(localStorage.list); } // 更新本地存储 function updateInfo() { localStorage.list = JSON.stringify(ary); ary = getInfo(); ary.forEach(function (item) { if (item.nextId == nextId) { nextId++; localStorage.nextId = nextId; } else { localStorage.nextId = nextId; } }) } // 添加数据到本地存储 function addInfo() { //获取本地存储的内容 ary = getInfo(); // 定义对象，存入数据 var obj = { nextId: nextId++, username: $(".addList .username").children("input").val(), password: $(".addList .pwd").children("input").val() } //存入数组 ary.push(obj); //清空 $(".addList input").val(""); //隐藏 $(".bg1").stop(true).fadeOut(); alert("添加成功"); }- 1
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完整代码
<!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> <link rel="stylesheet" href="./font-awesome-4.7.0/css/font-awesome.min.css"> <style> * { margin: 0; padding: 0; } .wrapper { box-sizing: border-box; position: relative; width: 1349px; margin: 0 auto; padding-left: 175px; } .wrapper .add { width: 110px; line-height: 35px; border-radius: 8px; background-color: #327AB7; color: #fff; /* font-size: 18px; font-weight: bold; */ text-align: center; } .top { margin-top: 10px; } .top input { line-height: 35px; } .top button { line-height: 35px; width: 80px; background-color: #327AB7; color: #fff; border: none; outline: none; border-radius: 5px; } table tr { width: 1000px; text-align: left; border-bottom: 1px solid lightgray; /* background-color: #F9F9F9; */ } th, td { width: 250px; line-height: 50px; float: left; border-bottom: 1px solid lightgray; } tr span { display: inline-block; width: 60px; line-height: 25px; text-align: center; color: #fff; border-radius: 3px; font-size: 14px; margin-right: 10px; } tr .update { background-color: #5CB75C; } tr .del { background-color: #D9534F; } .bg1, .bg2 { position: absolute; left: 0; top: 0; width: 100%; height: 100vh; background-color: rgba(0, 0, 0, 0.5); display: none; } .addList, .updateList { position: relative; z-index: 100; /* top: 200px; left: 200px; */ width: 400px; height: 230px; border: 1px solid gray; border-radius: 5px; /* display: none; */ background-color: #fff; margin-left: 450px; margin-top: 200px; z-index: 100; } .addList input, .updateList input { /* outline: none; */ width: 380px; line-height: 25px; margin-top: 20px; margin-left: 8px; outline: skyblue; /* border-radius: 3px; */ /* margin: 0 auto; */ } .addList .title, .updateList .title { margin-top: 10px; padding-left: 10px; padding-bottom: 20px; border-bottom: 1px solid lightgray; } .addList .btn, .updateList .btn { text-align: right; margin-top: 10px; padding-top: 10px; padding-right: 10px; border-top: 1px solid lightgray; font-size: 14px; } .addList .btn .close, .updateList .btn .close { display: inline-block; width: 50px; line-height: 30px; text-align: center; border-radius: 2px; border: 1px solid gray; } .addList .btn .qr, .updateList .btn .qr { display: inline-block; width: 80px; line-height: 30px; text-align: center; border-radius: 2px; border: 1px solid gray; background-color: #327AB7; color: #fff; } </style></head><body> <div class="wrapper"> <div class="add"> <i class="fa fa-plus"></i><span>添加记录</span> </div> <div class="top"> <input type="text" placeholder="请输入用户名"> <button><i class="fa fa-search" aria-hidden="true"></i><span>查询</span></button> </div> <table border="0"> <tr class="first"> <th>id</th> <th>username</th> <th>password</th> <th>操作</th> </tr> </table> <div class="bg1"> <div class="addList"> <div class="title"> 添加记录 </div> <div class="username"> <input type="text" placeholder="请输入用户名"> </div> <div class="pwd"> <input type="password" placeholder="请输入密码"> </div> <div class="btn"> <span class="close">关闭</span> <span class="qr">确认添加</span> </div> </div> </div> <div class="bg2"> <div class="updateList"> <div class="title"> 修改记录 </div> <input type="hidden" class="hidden"> <div class="username"> <input type="text" placeholder="请输入用户名"> </div> <div class="pwd"> <input type="password" placeholder="请输入密码"> </div> <div class="btn"> <span class="close">关闭</span> <span class="qr">确认修改</span> </div> </div> </div> </div> <script src="./js/jquery-3.6.0.min.js"></script> <script> $(function () { //模态窗高度自动充满整个屏幕 $(window).scroll(function () { var height = $(window).outerHeight(); var scroll = $(document).scrollTop(); $(".bg1").css("height", `${height + scroll}px`) $(".bg2").css("height", `${height + scroll}px`) }) //添加点击事件 $(".add").click(function () { $(".bg1").stop(true).fadeIn(); }) //关闭点击事件 $(".bg1 .addList .close").click(function () { $(".bg1").stop(true).fadeOut(); }) //关闭点击事件 $(".updateList .close").click(function () { $(".bg2").stop(true).fadeOut(); }) /***********点击事件***************/ // 添加本地存储 $(".addList .qr").click(function () { addInfo(); //更新本地存储 updateInfo(); // 渲染 show(); //tr背景色 bgColor(); }) // 查询 $(".top button").click(function () { findInfo(); bgColor(); }) //删除 $("table").on('click', '.del', function () { // 得到点击对象的nextId var id = this.parentNode.parentNode.firstElementChild.innerText; delInfo(id); show(); bgColor(); }) // 修改 $("table").on('click', '.update', function () { //得到修改数据的nextId var getId = this.parentNode.parentNode.firstElementChild.innerText; $(".hidden").val(getId); update(getId) }) $(".updateList .qr").click(function () { qr(); show(); bgColor(); }) /********本地存储***************/ var ary;//声明用来接收本地存储的数组 var nextId = localStorage.nextId || 0;//nextId放与本地存储中 // 获取本地存储 function getInfo() { return localStorage.list == undefined ? [] : JSON.parse(localStorage.list); } // 更新本地存储 function updateInfo() { localStorage.list = JSON.stringify(ary); ary = getInfo(); ary.forEach(function (item) { if (item.nextId == nextId) { nextId++; localStorage.nextId = nextId; } else { localStorage.nextId = nextId; } }) } // 添加数据到本地存储 function addInfo() { //获取本地存储的内容 ary = getInfo(); // 定义对象，存入数据 var obj = { nextId: nextId++, username: $(".addList .username").children("input").val(), password: $(".addList .pwd").children("input").val() } //存入数组 ary.push(obj); //清空 $(".addList input").val(""); //隐藏 $(".bg1").stop(true).fadeOut(); alert("添加成功"); } /*********************渲染**************************/ // 4、渲染 show();//加载时渲染 function show() { ary = getInfo(); //清空除了表头的tr内容 $("tr:not(.first)").hide(); //遍历添加tr for (var item of ary) { var tr = $(`<tr> <td class="id">${item.nextId}</td> <td>${item.username}</td> <td>${item.password}</td> <td><span class="update"><i class="fa fa-pencil" aria-hidden="true"></i>修改</span><span class="del"><i class="fa fa-trash" aria-hidden="true"></i>删除</span></td> </tr>`) $("table").append(tr); } } /*********************************************/ /******************查询************************/ function findInfo() { //得到输入框的内容 var val = $(".top input").val(); //过滤出符合的数组对象 var ary1 = ary.filter(function (item) { // return JSON.stringify(item).includes(val) == true; return item.username.includes(val) == true; }) //清空 $("tr:not(.first)").hide(); //渲染查询出来的数据 for (var tag of ary1) { var tr = $(`<tr> <td class="id">${tag.nextId}</td> <td>${tag.username}</td> <td>${tag.password}</td> <td><span class="update"><i class="fa fa-pencil" aria-hidden="true"></i>修改</span><span class="del"><i class="fa fa-trash" aria-hidden="true"></i>删除</span></td> </tr> `) $("table").append(tr); } } /****************删除*************************/ function delInfo(id) { // 获取其在数组中的下标 var index = ary.findIndex(item => item.nextId == id); if (confirm("确认删除吗？")) { //从数组中删除 ary.splice(index, 1); updateInfo(); } } /**************修改************************/ function update(getId) { //将数据事先加载到修改框中 for (var item of ary) { if (item.nextId == getId) { $(".updateList .username").children("input").val(item.username) $(".updateList .pwd").children("input").val(item.password) } } $(".bg2").stop(true).fadeIn(); } /***********确认按钮*********************/ function qr() { //拿到修改数据的nextId var num = $(".hidden").val(); ary = getInfo(); // 遍历数组找到目标数据，并进行修改 for (var item of ary) { if (item.nextId == num) { item.username = $(".updateList .username").children("input").val(); item.password = $(".updateList .pwd").children("input").val(); $(".updateList .username").children("input").val("") $(".updateList .pwd").children("input").val(""); } }; updateInfo(); $(".bg2").stop(true).fadeOut(); } /******************背景色**********************/ //tr背景色 bgColor(); function bgColor() { $("tr:even").css("background-color", "#FEFEFE"); $("tr:odd").css("background-color", "#F9F9F9"); } }) </script></body></html>- 1
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效果图：