创建10个<a>标签,点击时弹出对应的序号

本文介绍了一种使用JavaScript闭包来动态创建和附加带有点击事件的HTML链接的方法。通过闭包,每个链接都能保留其对应的数值,实现独立的点击响应效果。此技巧在创建动态元素并为其绑定事件时非常有用。

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利用闭包


 for(var i=0;i<10;i++){
	(function(i){
		var a = document.createElement("a");
		a.innerHTML = i + '<br>';
		a.addEventListener('click',function(){
			alert(i)
		})
		document.body.appendChild(a)
	})(i)
}

@{ Layout = null; } <!DOCTYPE html> <html> <head> <link href="~/Scripts/layui/css/layui.css" rel="stylesheet" /> <script src="~/Scripts/layui/layui.js"></script> <script src="~/Scripts/jquery-3.4.1.js"></script> <style> body { padding: 10px 20px 20px 20px; width: 90% } .but { margin-top: -5px } </style> </head> <body> <fieldset class="layui-elem-field"> <legend> <span class="layui-breadcrumb"> <a href="">首页</a> <a href="">职位管理</a> </span> </legend> <div class="layui-field-box"> <div class="layui-form-item"> <div class="layui-inline"> <label class="layui-form-label">职位名称</label> <div class="layui-input-block"> <input type="text" name="name" id="name" autocomplete="off" class="layui-input"> </div> </div> <div class="layui-inline"> <label class="layui-form-label">职位代码</label> <div class="layui-input-inline"> <input type="text" name="code" id="code" autocomplete="off" class="layui-input"> </div> </div> <button type="button" class="layui-btn layui-btn-radius but" id="searchButton" onclick="Search()"><i class="layui-icon layui-icon-search"></i>查询</button> <button type="button" class="layui-btn layui-bg-blue but"><i class="layui-icon layui-icon-addition"></i>添加</button> </div> </div> </fieldset> <fieldset class="layui-elem-field"> <table class="layui-hide" id="test" lay-filter="test"></table> <script type="text/html" id="toolDemo"> <div class="layui-clear-space"> <a class="layui-btn layui-btn-xs" lay-event="edit" id="Edit"><i class="layui-icon layui-icon-edit"></i>编辑</a> <a class="layui-btn layui-btn-xs layui-bg-orange" lay-event="edit" id="del"><i class="layui-icon layui-icon-clear"></i>删除</a> </div> </script> </fieldset> <script> var tableIns; layui.use(['table', 'util'], function () { var table = layui.table; // 创建渲染实例 tableIns = table.render({ elem: '#test', url: '/JobManagem/GetList', // 此处为静态模拟数据,实际使用需换成真实接口 page: true, cols: [[ { type: 'numbers', width: '15%', title: '序列号' }, { field: 'JobName', width: '20%', title: '职位名称' }, { field: 'JobCode', width: '20%', title: '职位代码' }, { field: 'ModifyDate', width: '20%', title: '修改间', templet: function (d) { console.log(d); // 得到当前行数据 console.log(this); // 得到表头当前列配置项 console.log(d.LAY_NUM); // 得到序号。或其他特定字段 // 返回模板内容 return '<a href=" ' + d.id + '" class="layui-table-link">' + d.title + '</a >' } }, { title: '操作', width: '25%', templet: '#toolDemo' } ]], }); //编辑,删除 table.on('tool(test)', function (obj) { // 双击 toolDouble var data = obj.data; // 获得当前行数据 // console.log(obj) if (obj.event === 'edit') { //编辑 } else { layer.confirm('真的删除行 [' + data.JobName + '] 么', function (index) { obj.del(); // 删除对应行(tr)的DOM结构 layer.close(index); // 向服务端发送删除指令 }); } }); }); //重载,模糊查询 function Search() { var nameVal = $('input[name="name"]').val().trim(); var codeVal = $('input[name="code"]').val().trim(); // 完整重载 - 所有属性属性(options)均可参与到重载中 tableIns.reload({ where: { // 传递数据异步请求携带的字段 name: nameVal, code: codeVal }, height: 500 // 重设高度 }); } // 处理日期格式函数 function formatDate(dateStr) { // 提取间戳 var timestamp = parseInt(dateStr.replace(/\/Date\((\d+)\)\//, '$1')); // 创建 Date 对象 var date = new Date(timestamp); // 获取年、月、日 var year = date.getFullYear(); var month = String(date.getMonth() + 1).padStart(2, '0'); var day = String(date.getDate()).padStart(2, '0'); // 返回格式化后的日期 return year + '-' + month + '-' + day; } </script> </body> </html>实现增删改查功能请你优化但是最小改动实现功能就行以及下面是控制器using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Threading.Tasks; using System.Web; using System.Web.Mvc; using WebApplication1.Models; using WebApplication1.Scripts; using Newtonsoft.Json; namespace WebApplication1.Controllers { public class JobManagemController : Controller { AoutEntities db = new AoutEntities(); ReturnListJsonData jsonData = new ReturnListJsonData(); // GET: JobManagem public ActionResult Index() { return View(); } #region 模糊查询 /// <summary> /// 模糊查询 /// </summary> /// <param name="page"></param> /// <param name="limit"></param> /// <param name="name"></param> /// <param name="code"></param> /// <returns></returns> public ActionResult GetList(int page, int limit, string name, string code) { var list = db.Job.Where(a => a.IsDel == false).ToList(); // if (!string.IsNullOrEmpty(name)) { list = list.Where(a => a.JobName.Contains(name)).ToList(); } if (!string.IsNullOrEmpty(code)) { list = list.Where(a => a.JobCode.Contains(code)).ToList(); } var offset = (page - 1) * limit; var data = list.OrderByDescending(a => a.ModifyDate).Skip(offset).Take(limit); jsonData.code = 0; jsonData.count = list.Count; jsonData.data = data; return Json(jsonData, JsonRequestBehavior.AllowGet); } #endregion } }
07-11
@{ Layout = null; } <!DOCTYPE html> <html> <head> <link href="~/Scripts/layui/css/layui.css" rel="stylesheet" /> <script src="~/Scripts/layui/layui.js"></script> <script src="~/Scripts/jquery-3.4.1.js"></script> <style> body { padding: 10px 20px 20px 20px; width: 97% } .but { margin-top: -5px } .editInfo { display: none; } </style> </head> <body> <fieldset class="layui-elem-field"> <legend> <span class="layui-breadcrumb"> <a href="">基本信息管理</a> <a href="/UserManagem/Index" >员工管理</a> </span> </legend> <div class="layui-field-box"> <div class="layui-form-item"> <div class="layui-inline"> <label class="layui-form-label" style="width: 60px;">员工账号</label> <div class="layui-input-block"> <input type="text" name="code" id="code" autocomplete="off" class="layui-input"> </div> </div> <div class="layui-inline"> <label class="layui-form-label" style="width: 60px;">员工姓名</label> <div class="layui-input-inline"> <input type="text" name="name" id="name" autocomplete="off" class="layui-input"> </div> </div> <button type="button" class="layui-btn layui-btn-radius but" id="searchButton" onclick="Search()"><i class="layui-icon layui-icon-search"></i>查询</button> <button type="button" class="layui-btn layui-bg-blue but" onclick="Add()"><i class="layui-icon layui-icon-addition"></i>添加</button> <button type="button" class="layui-btn layui-btn-danger layui-btn-radius"><i class="layui-icon layui-icon-delete"></i>批量删除</button> <button type="button" class="layui-btn layui-btn-danger layui-btn-radius"><i class="layui-icon layui-icon-export"></i>导出</button> <button type="button" class="layui-btn but" id="searchButton"><i class="layui-icon layui-icon-upload"></i>导入文件</button> </div> </div> </fieldset> <fieldset class="layui-elem-field"> <table class="layui-hide" id="test" lay-filter="test"></table> <script type="text/html" id="toolDemo"> <div class="layui-clear-space"> <a class="layui-btn layui-btn-xs" lay-event="edit" id="Edit"><i class="layui-icon layui-icon-edit"></i>编辑</a> <a class="layui-btn layui-btn-xs layui-bg-orange" lay-event="del"><i class="layui-icon layui-icon-clear"></i>删除</a> </div> <!-- 在视图中添加以下隐藏表单 --> <div class="editInfo" style="padding:15px;"> <form class="layui-form" id="editForm"> <input type="hidden" name="ID" id="ID"> <div class="layui-form-item"> <label class="layui-form-label">员工账号</label> <div class="layui-input-block"> <input type="text" name="UserCode" required lay-verify="required" class="layui-input"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">员工姓名</label> <div class="layui-input-block"> <input type="text" name="UserName" required lay-verify="required" class="layui-input"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">性别</label> <div class="layui-input-block"> <input type="radio" name="Sex" id="man" value="true" title="男" checked> <input type="radio" name="Sex" value="false" title="女"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">出生日期</label> <div class="layui-input-block"> <input type="text" name="BirthDay" id="BirthDay" class="layui-input"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">邮箱</label> <div class="layui-input-block"> <input type="text" name="Email" class="layui-input"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">电话</label> <div class="layui-input-block"> <input type="text" name="Tel" class="layui-input"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">创建间</label> <div class="layui-input-block"> <input type="text" name="CreateDate" id="CreateDate" class="layui-input"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">地址</label> <div class="layui-input-block"> <input type="text" name="Address" class="layui-input"> </div> </div> <div class="layui-form-item"> <div class="layui-input-block"> <button class="layui-btn" lay-submit lay-filter="saveBtn">保存</button> <button type="reset" class="layui-btn layui-btn-primary">重置</button> </div> </div> </form> </div> </script> </fieldset> <script> var tableIns; var form; var isEdit; layui.use(['table', 'form','laydate'], function () { var table = layui.table; form = layui.form; // 修正:移除重复的var声明 var laydate = layui.laydate; // 创建渲染实例 tableIns = table.render({ elem: '#test', url: '/UserManagem/GetList', page: true, cols: [[ { type: 'checkbox', width: '5%', title: '' }, { type: 'numbers', width: '5%', title: '序号' }, { field: 'UserCode', width: '8%', title: '员工账号' }, { field: 'UserName', width: '8%', title: '员工姓名' }, { field: 'Sex', width: '8%', title: '性别', templet: function (d) { if (d.Sex == true) { return "男" } else { return "女"; } } }, { field: 'BirthDay', width: '8%', title: '出生日期', templet: function (d) { return convertJsonDate(d.BirthDay); } }, { field: 'BirthDay', width: '8%', title: '年龄', templet: function (d) { return calculateAge(d.BirthDay); } }, { field: 'Status', width: '8%', title: '是否离职', templet: function (d) { if (d.Status == true) { return "离职"; } else { return "在职"; } } }, { field: 'Email', width: '8%', title: '邮箱' }, { field: 'Tel', width: '8%', title: '电话' }, { field: 'CreateDate', width: '8%', title: '创建间', templet: function (d) { return convertJsonDate(d.CreateDate); } }, { field: 'Address', width: '8%', title: '员工住址' }, { title: '操作', width: '10.5%', templet: '#toolDemo' } ]], done: function (res, curr, count) { // 数据渲染完成后的回调 if (res.code !== 0) { // 假设0是成功状态码 layer.msg('数据加载失败: ' + res.msg, { icon: 5 }); } }, error: function () { // 请求错误的回调 layer.msg('网络请求错误,请检查接口', { icon: 5 }); } }); //编辑,删除 table.on('tool(test)', function (obj) { // 双击 toolDouble var data = obj.data; // 获得当前行数据 var field = obj.field; // 得到字段 var value = obj.value; // 得到修改后的值 var data = obj.data; // 得到所在行所有键值 // console.log(obj) if (obj.event === 'edit') { layer.open({ type: 1, area: ['500px', '400px'], // 增加高度预留 title: '编辑员工信息', content: $(".editInfo").html(), success: function (layero, index) { // 数据绑定(注意格式转换) laydate.render({ elem: '#BirthDay', // 绑定元素 format: 'yyyy-MM-dd' // 日期格式 }); laydate.render({ elem: '#CreateDate', // 绑定元素 format: 'yyyy-MM-dd' // 日期格式 }); form.val('editForm', { "UserCode": data.UserCode, "UserName": data.UserName, "Sex": data.Sex ? "true" : "false", // 统一转为字符串 "BirthDay": convertJsonDate(data.BirthDay), "Email": data.Email, "Tel": data.Tel, "Address": data.Address }); // 动态渲染表单元素(重要!) form.render(); } }); } else { layer.confirm('真的删除员工 [' + data.UserCode + '] 么', function (index) { obj.del(); // 删除对应行(tr)的DOM结构 layer.close(index); // 向服务端发送删除指令 $.ajax({ url: '/UserManagem/DelInfo', type: 'post', data: { id: data.ID }, success: function (res) { if (res.code == 0) { layer.msg(res.msg, { icon: 6, time: 1500 }, function () { Search(); }) } else { layer.msg(res.msg, { icon: 5, time: 1500 }) } } }) }); } }); }); // 处理日期格式函数 function convertJsonDate(jsonDate) { if (!jsonDate) return ''; try { // 提取间戳 const timestamp = parseInt(jsonDate.match(/\d+/)[0]); // 创建 Date 对象 const date = new Date(timestamp); // 获取年、月、日 const year = date.getFullYear(); const month = (date.getMonth() + 1).toString().padStart(2, '0'); const day = date.getDate().toString().padStart(2, '0'); // 返回格式化后的日期 return `${year}-${month}-${day}`; } catch (e) { console.error('日期格式化错误:', e); return jsonDate; } } //表单提交事件,新增和编辑 form.on('submit(demo1)', function (data) { var field = data.field; // 获取表单字段值 $.ajax({ url: '/UserManagem/Add', type: 'post', data: field, success: function (res) { if (res.code == 0) { layer.msg(res.msg, { icon: 6, time: 3000 }, function () { layer.closeAll(); // 关闭所有类型的层 Search(); }); } else { layer.msg(res.msg, { icon: 5, time: 2000 }); } } }) }) //重载,模糊查询 function Search() { var nameVal = $('input[name="name"]').val().trim(); var codeVal = $('input[name="code"]').val().trim(); // 完整重载 - 所有属性属性(options)均可参与到重载中 tableIns.reload({ where: { // 传递数据异步请求携带的字段 name: nameVal, code: codeVal }, height: 500 // 重设高度 }); } function calculateAge(jsonBirthDate) { if (!jsonBirthDate) return ''; try { // 先转换为日期格式 const birthDate = convertJsonDateToDate(jsonBirthDate); const today = new Date(); let age = today.getFullYear() - birthDate.getFullYear(); const monthDiff = today.getMonth() - birthDate.getMonth(); if (monthDiff < 0 || (monthDiff === 0 && today.getDate() < birthDate.getDate())) { age--; } return age; } catch (e) { console.error('年龄计算错误:', e); return ''; } } // 辅助函数:将JSON日期转换为Date对象 function convertJsonDateToDate(jsonDate) { const timestamp = parseInt(jsonDate.match(/\d+/)[0]); return new Date(timestamp); } </script> </body> </html> using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using WebApplication1.Models; namespace WebApplication1.Controllers { [LoginActionFitter(IsCheck = true)] public class UserManagemController : Controller { // GET: UserManagem AoutEntities1 db = new AoutEntities1(); ReturnListJsonData jsonListData = new ReturnListJsonData(); ReturnJsonData jsonData = new ReturnJsonData(); public ActionResult Index() { return View(); } /// <summary> /// 列表展示 /// </summary> /// <param name="page"></param> /// <param name="limit"></param> /// <param name="name"></param> /// <param name="code"></param> /// <returns></returns> public ActionResult GetList(int page,int limit,string name,string code) { var list = db.Users.ToList(); if (!string.IsNullOrEmpty(name)) { list = list.Where(a => a.UserName.Contains(name)).ToList(); } if (!string.IsNullOrEmpty(code)) { list = list.Where(a => a.UserCode.Contains(code)).ToList(); } var offset = (page - 1) * limit; var resultList = list.Skip(offset).Take(limit); jsonListData.code = 0; jsonListData.count = list.Count; jsonListData.data = resultList; return Json(jsonListData,JsonRequestBehavior.AllowGet); } #region 删除 /// <summary> /// 删除数据 /// </summary> /// <returns></returns> public ActionResult DelInfo(Guid? id) { if (id == Guid.Empty) { jsonData.code = 1; jsonData.msg = "删除失败,未找到当行数据"; } else { //真实删除 var entity1 = db.Users.Find(id); db.Users.Remove(entity1); var result = db.SaveChanges(); if (result > 0) { jsonData.code = 0; jsonData.msg = "删除成功"; } else { jsonData.code = 1; jsonData.msg = "删除失败,请联系管理员"; } } return Json(jsonData, JsonRequestBehavior.AllowGet); } #endregion } 实现添加以及编辑功能
最新发布
07-15
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