前台页面对数据的增删除改查操做


 
 
 
 
 
 
后台管理中,基本就是对数据的增删改查,今天写了一个DEMO,把它分享出来,以下图:







JS代码以下:

复制代码
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var  user = [
     {id: 1, cardId:  "6225880287860549" , pwd:  "909090" , money: 9000},
     {id: 2, cardId:  "6225880287862345" , pwd:  "666666" , money: 100},
     {id: 3, cardId:  "6225880287861234" , pwd:  "888888" , money: 5000},
     {id: 4, cardId:  "6225880287860549" , pwd:  "909090" , money: 9000},
     {id: 5, cardId:  "6225880287862345" , pwd:  "666666" , money: 100},
     {id: 6, cardId:  "6225880287861234" , pwd:  "888888" , money: 5000},
     {id: 7, cardId:  "6225880287860549" , pwd:  "909090" , money: 9000},
     {id: 8, cardId:  "6225880287862345" , pwd:  "666666" , money: 100},
     {id: 9, cardId:  "6225880287861234" , pwd:  "888888" , money: 5000}
]
var  operid = -1;
var  perSize = 4;  //每页显示的条数
var  currentPage = 1;  //当前显示的页数
var  totalPage = -1;  //总共的页数
window.onload= function (){
     displayUserTable();
     checkAll();  //添加全选事件
     checkItemAll();
     add();
     del();
     edit();
     pagebar();
     pageClick();
}
function  edit(){
     $( "#userTable" ).on( 'click' , '.edit' , function (){
         var  index = $( this ).attr( 'data-index' );
         operid = index;
         $( "#addUser" ).modal( 'show' );
         $( "#txtId" ).val(user[index].id);
         $( "#txtCard" ).val(user[index].cardId);
         $( "#txtPwd" ).val(user[index].pwd);
         $( "#txtMoney" ).val(user[index].money);
     })
}
function  del(){
     $( "#userTable" ).on( 'click' , '.del' , function (){
         console.log( this );
         var  index = $( this ).attr( 'data-index' );
         user.splice(index,1);
         pagebar();
         displayUserTable();
     })
}
function  add(){
     $( "#btnAddForm" ).click( function (){
         operid= -1;
         $( "#addUser" ).modal( 'show' );
     })
     $( "#btnAdd" ).click( function (){
         //添加数据
         //获取表单数据
         var  id = $( "#txtId" ).val();
         var  card = $( "#txtCard" ).val();
         var  pwd = $( "#txtPwd" ).val();
         var  money = $( "#txtMoney" ).val();
         var  obj = { "id" :id, "cardId" :card, "pwd" :pwd, "money" :Number(money)};
         if (operid==-1){
             user.push(obj);
         } else {
             user.splice(operid,1,obj);
         }
         displayUserTable();
         pagebar();
         $( "#addUser" ).modal( 'hide' );
     })
     $( "#btnCancel" ).click( function (){
         $( "#addUser" ).modal( 'hide' );
     })
}
function  checkAll(){
     $( "#checkAll" ).click( function (){
         var  checked =  this .checked;
         $( "input[name='checkItem']" ).each( function (index,item){
             item.checked =checked;
         })
     })
}
function  checkItemAll(){
     $( "#userTable" ).on( 'click' , 'input[name=\'checkItem\']' , function (){
         var  isAll =  true ;
         $( "input[name='checkItem']" ).each( function (index,item){
             if (!item.checked){
                 isAll =  false ;
             }
         })
         if (isAll){
             $( "#checkAll" )[0].checked= true ;
         } else {
             $( "#checkAll" )[0].checked= false ;
         }
     })
}
function  displayUserTable(){
     $( "#userTable" ).html( "" );
     $( "#checkAll" )[0].checked= false ;
     var  start = (currentPage -1 )*perSize;
     var  end = start + perSize;
     var  outHtml =  "" ;
     for ( var  i=start;i<end&&i<user.length;i++){
         outHtml+= "<tr>" +
         "<td><input type='checkbox' name=\"checkItem\" /></td>" +
         "<td>" +user<i>.id+ "</td>" +
         "<td>" +user<i>.cardId+ "</td>" +
         "<td>" +user<i>.pwd+ "</td>" +
         "<td>" +user<i>.money+ "</td>" +
         "<td><button class=\"btn btn-default del\" data-index='" +i+ "'>删除</button><button class=\"btn btn-default edit\"  data-index='" +i+ "'>编辑</button></td>" +
         "</tr>" ;
     }
     $( "#userTable" ).html(outHtml);
}
//用于显示页码 5
function  pagebar(){
     totalPage = Math.ceil(user.length / perSize);
     if (currentPage>totalPage){
         currentPage = totalPage;
     }
     $( "#divPage" ).html( "" );
     var  str =  "" ;
     for ( var  i = 0;i<totalPage;i++){
         if (currentPage==(i+1)){
             str+= "<button class=\"btn btn-primary page\">" +(i+1)+ "</button>" ;
         } else {
             str+= "<button class=\"btn btn-default page\">" +(i+1)+ "</button>" ;
         }
     }
     $( "#divPage" ).html(str);
}
function  pageClick(){
     $( "#divPage" ).on( "click" , ".page" , function (){
         $( ".page" ).each( function (index,item){
             $( this ).removeClass( 'btn-primary' );
         });
         $( this ).addClass( 'btn-primary' );
         currentPage = Number( this .innerText);
         displayUserTable();
     });
}

HTML代码以下: 复制代码


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<!DOCTYPE html>
< html >
< head  lang = "en" >
     < meta  charset = "UTF-8" >
     < title ></ title >
     < link  rel = "stylesheet"  href = "css/bootstrap.css" />
     < style >
         #addUser{
             width: 400px;
             height: 400px;
             margin: auto;
             position: absolute;
             top:0;
             right: 0;
             left:0;
             bottom: 0;
            
             padding: 50px 20px;
         }
     </ style >
</ head >
< body >
< div  class = "container" >
     < header ></ header >
     < section >
         < div  class = "left" ></ div >
         < div  class = "right" >
             < div >
                  < button  class = "btn btn-primary"  id = "btnAddForm" >添加</ button >
             </ div >
             < div >
                 < div ></ div >
                 < div >
                     < table  class = "table table-hover" >
                         < thead >
                         < tr >
                             < th >< input  type = "checkbox"  id = "checkAll" /></ th >
                             < th >id</ th >
                             < th >卡号</ th >
                             < th >密码</ th >
                             < th >金额</ th >
                             < th >操做</ th >
                         </ tr >
                         </ thead >
                         < tbody  id = "userTable" >
                         </ tbody >
                     </ table >
                 </ div >
                 < div  id = "divPage" >
                 </ div >
             </ div >
                 < form  action = ""  class = "form-horizontal modal fade"   id = "addUser"  >
                     < p  >ID:< input  type = "text"  class = "form-control"  id = "txtId" /></ p >
                     < p  >卡号:< input  type = "text"  class = "form-control"  id = "txtCard" /></ p >
                     < p  >密码:< input  type = "password"  class = "form-control"  id = "txtPwd" /></ p >
                     < p  >金额:< input  type = "text"  class = "form-control"  id = "txtMoney" /></ p >
                     < p  >< button  class = "btn btn-primary"  id = "btnAdd"  type = "button" >保存</ button > < button  class = "btn btn-default"  id = "btnCancel"  type = "button" >取消</ button ></ p >
                 </ form >
         </ div >
     </ section >
     < footer >
     </ footer >
</ div >
< script  src = "js/jquery-1.11.3.js" ></ script >
< script  src = "js/bootstrap.js" ></ script >
< script  src = "js/userManage.js" ></ script >
</ body >
</ html >
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