JS結合bootstrap實現基本的增刪改查功能

2019-11-20 09:26:11

字體：大中小

來源：轉載

供稿：網友

提出問題：如何利用原生的js實現基本的增刪改查功能？？？

解決問題
假如你已經對JS有一定基礎
假如你對bootstrap有一定基礎

下面是具體的例子，

包含兩個文件（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框架學習</title> </head> <body onload="loadUserDatas()"> <div class="container"> <table class="table" id="table"> <caption><h2>練習一</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);">刪除</button>  <button type="button" class="btn btn-info" id="user_edit" data-toggle="modal"  data-target="#myModal" onclick="optionUserData(this);">編輯</button>  <button type="button" class="btn btn-info" id="user_find" onclick="optionUserData(this);">查詢</button>  <input type="text" id="s_code" placeholder="按工號查詢" style="width: 80px;">  <input type="text" id="s_userName" placeholder="按姓名查詢" style="width: 80px;">  <input type="text" id="s_all" placeholder="全文搜索" style="width: 80px;"> </caption> <thead>  <tr>  <th>序號</th>  <th>工號</th>  <th>姓名</th>  <th>性別</th>  <th>密碼</th>  <th>年齡</th>  <th>出生日期</th>  </tr> </thead> <tbody id="tbody"> </tbody> </table> <!-- 模態框（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">   新增用戶  </h4>  </div>  <div class="modal-body" id="modal-body">  <label for="name">工號:</label>   <input type="text" class="form-control" id="m_code" placeholder="請輸入工號">   <label for="name">姓名:</label>   <input type="text" class="form-control" id="m_userName" placeholder="請輸入姓名">   <label for="name">性別:</label>   <input type="text" class="form-control" id="m_sex" placeholder="請輸入性別">   <label for="name">密碼:</label>   <input type="text" class="form-control" id="m_passWord" placeholder="請輸入密碼">   <label for="name">年齡:</label>   <input type="text" class="form-control" id="m_age" placeholder="請輸入年齡">   <label for="name">出生日期:</label>   <input type="text" class="form-control" id="m_birthday" placeholder="請輸入出生日期">  </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> <!-- 這里需要引入相關的js，很重要，請記住 --> <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> 復制代碼 復制代碼 //存放所有用戶 var users = users || {}; //操作類型 var operateType = ""; //存放搜索對象 var searchUsers = searchUsers || {}; //用戶構造方法 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;  },  //添加用戶  addUserData:function(){  if(this.code != ""){   users[this.code] = this;  }  },  //刪除用戶  deleteUserData:function (){  for(var i in users){   if(this.code == users[i].code){   delete users[i];   }  }  },  //編輯用戶  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;   }  }  },  //查找用戶  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模態框事件 $('#myModal').on('hide.bs.modal', function () { // 執行一些動作... 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); //編輯操作 }else if(operateType == "edit"){  user.editUserData();  refreshDatas(users); } }); /** * 首次加載頁面執行方法 */ function loadUserDatas(){ var userArray = initUserDatas(); addRowData(userArray); refreshDatas(users); } /** * 初始化用戶數據 */ function initUserDatas(){ var initUser1 = New(User,["1001","小蘭","女","1234","13","1991-1-1"]); var initUser2 = New(User,["1002","小毅","男","1234","13","1991-1-1"]); var initUser3 = New(User,["1003","蘭花","女","1234","13","1991-1-1"]); var initUser4 = New(User,["1004","蘭兒","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數據 */ 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;//顏色轉換 } tbodyElement.innerHTML = html; } /** * 刷新用戶數據 */ function refreshDatas(datas){ addRowData(datas); }; /** * 收集一行數據 */ 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; } /** * 用戶操作方法 */ function optionUserData(param){ //獲得操作類別 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;  //搜索數據  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{ } } /** * 是否選中數據,返回選中數據的行 */ 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("請選擇一條記錄！");  $('#myModal').unbind("on"); } }

效果圖：