JS结合bootstrap实现基本的增删改查功能

提出问题：如何利用原生的js实现基本的增删改查功能？？？

解决问题
假如你已经对JS有一定基础
假如你对bootstrap有一定基础

下面是具体的例子，

包含两个文件（index.jsp 和 index.js）

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html>
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 <!-- Bootstrap -->
 <link href="resource/bootstrap/css/bootstrap.min.css" rel="stylesheet" media="screen">
 <link href="resource/bootstrap/css/bootstrap-theme.min.css" rel="stylesheet" media="screen">
 <title>JS框架学习</title>

 </head>
 <body onload="loadUserDatas()">
 <div class="container">
 <table class="table" id="table">
 <caption><h2>练习一</h2></caption>
 <caption>
  <button type="button" class="btn btn-info" id="user_add" data-toggle="modal" 
 data-target="#myModal" onclick="optionUserData(this);">新增</button>
  <button type="button" class="btn btn-info" id="user_delete" onclick="optionUserData(this);">删除</button>
  <button type="button" class="btn btn-info" id="user_edit" data-toggle="modal" 
 data-target="#myModal" onclick="optionUserData(this);">编辑</button>
  <button type="button" class="btn btn-info" id="user_find" onclick="optionUserData(this);">查询</button>
  <input type="text" id="s_code" placeholder="按工号查询" style="width: 80px;">
  <input type="text" id="s_userName" placeholder="按姓名查询" style="width: 80px;">
  <input type="text" id="s_all" placeholder="全文搜索" style="width: 80px;">
 </caption>
 <thead>
  <tr>
  <th>序号</th>
  <th>工号</th>
  <th>姓名</th>
  <th>性别</th>
  <th>密码</th>
  <th>年龄</th>
  <th>出生日期</th>
  </tr>
 </thead>
 <tbody id="tbody">
 </tbody>
 </table>

 <!-- 模态框（Modal） -->
 <div class="modal hide" id="myModal" role="dialog" >
 <div class="modal-dialog">
  <div class="modal-content">
  <div class="modal-header">
  <button type="button" class="close" data-dismiss="modal" aria-hidden="true"> 
   ×
  </button>
  <h4 class="modal-title" id="myModalLabel">
   新增用户
  </h4>
  </div>
  <div class="modal-body" id="modal-body">
  <label for="name">工号:</label>
   <input type="text" class="form-control" id="m_code" placeholder="请输入工号">
   <label for="name">姓名:</label>
   <input type="text" class="form-control" id="m_userName" placeholder="请输入姓名">
   <label for="name">性别:</label>
   <input type="text" class="form-control" id="m_sex" placeholder="请输入性别">
   <label for="name">密码:</label>
   <input type="text" class="form-control" id="m_passWord" placeholder="请输入密码">
   <label for="name">年龄:</label>
   <input type="text" class="form-control" id="m_age" placeholder="请输入年龄">
   <label for="name">出生日期:</label>
   <input type="text" class="form-control" id="m_birthday" placeholder="请输入出生日期">
  </div>
  <div class="modal-footer">
  <button type="button" class="btn btn-default" 
   data-dismiss="modal">保存
  </button>
  <button type="button" class="btn btn-primary">提交更改</button>
  </div>
  </div><!-- /.modal-content -->
 </div><!-- /.modal -->
 </div>
 <!-- 这里需要引入相关的js，很重要，请记住 -->
 <script type="text/javascript" src="resource/jquery/jquery.js"></script>
 <script type="text/javascript" src="resource/bootstrap/js/bootstrap.min.js"></script>
 <script type="text/javascript" src="index.js"></script>
 </body>
 </html>
 复制代码
 复制代码
 //存放所有用户
 var users = users || {};
 //操作类型
 var operateType = "";
 //存放搜索对象
 var searchUsers = searchUsers || {};
 //用户构造方法
 var User = {
  Create:function(code,userName,sex,passWord,age,birthday){
  this.code = code;
  this.userName = userName;
  this.sex = sex;
  this.passWord = passWord;
  this.age = age;
  this.birthday = birthday;
  },
  //添加用户
  addUserData:function(){
  if(this.code != ""){
   users[this.code] = this;
  }
  },
  //删除用户
  deleteUserData:function (){
  for(var i in users){
   if(this.code == users[i].code){
   delete users[i];
   }
  }
  },
  //编辑用户
  editUserData:function(){
  for(var i in users){
   if(this.code == users[i].code){
   users[i].userName = this.userName;
   users[i].sex = this.sex;
   users[i].passWord = this.passWord;
   users[i].birthday = this.birthday;
   users[i].age = this.age;
   }
  }
  },
  //查找用户
  findUserData:function(data){

  for(var i in users){
   if(data.code.indexOf(users[i].code) >= 0 || 
    data.userName.indexOf(users[i].userName) >= 0){
   searchUsers[users[i].code] = users[i];
   refreshDatas(searchUsers);
   }
  }
  }
 };

 function New(aClass,aParams){
 function new_(){
  aClass.Create.apply(this,aParams);
 }
 new_.prototype = aClass;
 return new new_();
 }

 //bootstrap模态框事件
 $('#myModal').on('hide.bs.modal', function () {
 // 执行一些动作...
 var inputElements = this.getElementsByTagName("input");
 var userArr = [];
 for(var i=0;i<inputElements.length;i++){
  userArr[i] = inputElements[i].value;
 }
 var user = New(User,userArr);
 //添加操作
 if(operateType == "add"){
  user.addUserData();
  refreshDatas(users);
 //编辑操作
 }else if(operateType == "edit"){
  user.editUserData();
  refreshDatas(users);
 }
 });

 /**
 * 首次加载页面执行方法
 */
 function loadUserDatas(){
 var userArray = initUserDatas();
 addRowData(userArray);
 refreshDatas(users);

 }
 /**
 * 初始化用户数据
 */
 function initUserDatas(){
 var initUser1 = New(User,["1001","小兰","女","1234","13","1991-1-1"]);
 var initUser2 = New(User,["1002","小毅","男","1234","13","1991-1-1"]);
 var initUser3 = New(User,["1003","兰花","女","1234","13","1991-1-1"]);
 var initUser4 = New(User,["1004","兰儿","女","1234","13","1991-1-1"]);
 users[initUser1.code] = initUser1;
 users[initUser2.code] = initUser2;
 users[initUser3.code] = initUser3;
 users[initUser4.code] = initUser4;
 return users;
 }

 /**
 * 往表格添加一行html数据
 */
 function addRowData(datas){
 var tbodyElement = document.getElementById("tbody");
 var html = "";
 var color = "warning";
 var flag = true;
 for(var i in datas){
  if(flag){
  color = "info";
  }else{
  color = "warning";
  }
  html = html + "<tr class='"+ color +"'><td style='width:30px;'><input type='checkbox'></td><td id='code'>"
   + datas[i].code +"</td><td id='userName'>"
   + datas[i].userName +"</td><td id='sex'>"
   + datas[i].sex +"</td><td id='passWord'>"
   + datas[i].passWord +"</td><td id='age'>"
   + datas[i].age +"</td><td id='birthday'>"
   + datas[i].birthday +"</td>" 
   +"</tr>";

  flag = !flag;//颜色转换
 }
 tbodyElement.innerHTML = html;
 }
 /**
 * 刷新用户数据
 */
 function refreshDatas(datas){
 addRowData(datas);
 };

 /**
 * 收集一行数据
 */
 function collectionRowData(param){
 var tdElement = param.getElementsByTagName("td");
 var userArr = [];
 for(var i=1;i<tdElement.length;i++){
  var temp = tdElement[i].textContent;
  userArr[i-1] = temp;
 }
 var user = New(User,userArr);
 return user;
 }
 /**
 * 用户操作方法
 */
 function optionUserData(param){
 //获得操作类别
 var optionType = param.getAttribute("id");
 if(optionType == "user_add"){
  operateType = "add";
 }else if(optionType == "user_delete"){
  var checkRowData = isCheckedData();
  var user = collectionRowData(checkRowData);
  user.deleteUserData();
  refreshDatas(users);
 }else if(optionType == "user_edit"){
  operateType = "edit";
  var checkRowData = isCheckedData();
  var user = collectionRowData(checkRowData);
  var modal_body = document.getElementById("modal-body");
  var inputElements= modal_body.getElementsByTagName("input");
  for(var i=0;i<inputElements.length;i++){
  var temp = inputElements[i].id.substring(2,inputElements[i].id.length)
  inputElements[i].value = user[temp];
  }
 }else if(optionType == "user_find"){
  var s_code = document.getElementById("s_code").value;
  var s_userName = document.getElementById("s_userName").value;
  var s_all= document.getElementById("s_all").value;
  //搜索数据
  var s_data = s_data || {};
  s_data.code = s_code;
  s_data.userName = s_userName;
  s_data.all = s_all;
  var user = New(User,[]);
  user.findUserData(s_data);
 }else{

 }
 }

 /**
 * 是否选中数据,返回选中数据的行
 */
 function isCheckedData(){
 var tbodyElement =document.getElementById("tbody");
 var trElements = tbodyElement.getElementsByTagName("tr");
 var flag = false;
 for(var i=0;i<trElements.length;i++){
  var inputElement = trElements[i].getElementsByTagName("input")[0];
  if(inputElement.checked){
  flag = true;
  return trElements[i];
  }
 }
 if(!flag){
  alert("请选择一条记录！");
  $('#myModal').unbind("on");
 }
 }

效果图：

如果大家还想深入学习，可以点击这里进行学习，再为大家附两个精彩的专题：Bootstrap学习教程 Bootstrap实战教程

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持北冥有鱼。

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