基于jquery实现在线选座订座之影院篇

<div class="demo"> 
 <div id="seat-map"> 
 <div class="front">屏幕</div>   
 </div> 
 <div class="booking-details"> 
 <p>影片：<span>星际穿越3D</span></p> 
 <p>时间：<span>11月14日 21:00</span></p> 
 <p>座位：</p> 
 <ul id="selected-seats"></ul> 
 <p>票数：<span id="counter">0</span></p> 
 <p>总计：<b>￥<span id="total">0</span></b></p> 
 <button class="checkout-button">确定购买</button> 
 <div id="legend"></div> 
 </div> 
</div> 

.front{width: 300px;margin: 5px 32px 45px 32px;background-color: #f0f0f0; color: #666;text-align: center;padding: 3px;border-radius: 5px;} 
.booking-details {float: right;position: relative;width:200px;height: 450px; } 
.booking-details h3 {margin: 5px 5px 0 0;font-size: 16px;} 
.booking-details p{line-height:26px; font-size:16px; color:#999} 
.booking-details p span{color:#666} 
div.seatCharts-cell {color: #182C4E;height: 25px;width: 25px;line-height: 25px;margin: 3px;float: left;text-align: center;outline: none;font-size: 13px;} 
div.seatCharts-seat {color: #fff;cursor: pointer;-webkit-border-radius:5px;-moz-border-radius:5px;border-radius: 5px;} 
div.seatCharts-row {height: 35px;} 
div.seatCharts-seat.available {background-color: #B9DEA0;} 
div.seatCharts-seat.focused {background-color: #76B474;border: none;} 
div.seatCharts-seat.selected {background-color: #E6CAC4;} 
div.seatCharts-seat.unavailable {background-color: #472B34;cursor: not-allowed;} 
div.seatCharts-container {border-right: 1px dotted #adadad;width: 400px;padding: 20px;float: left;} 
div.seatCharts-legend {padding-left: 0px;position: absolute;bottom: 16px;} 
ul.seatCharts-legendList {padding-left: 0px;} 
.seatCharts-legendItem{float:left; width:90px;margin-top: 10px;line-height: 2;} 
span.seatCharts-legendDescription {margin-left: 5px;line-height: 30px;} 
.checkout-button {display: block;width:80px; height:24px; line-height:20px;margin: 10px auto;border:1px solid #999;font-size: 14px; cursor:pointer} 
#selected-seats {max-height: 150px;overflow-y: auto;overflow-x: none;width: 200px;} 
#selected-seats li{float:left; width:72px; height:26px; line-height:26px; border:1px solid #d3d3d3; background:#f7f7f7; margin:6px; font-size:14px; font-weight:bold; text-align:center}

<script type="text/javascript" src="jquery.js"></script> 
<script type="text/javascript" src="jquery.seat-charts.min.js"></script> 

var price = 80; //票价 
$(document).ready(function() { 
 var $cart = $('#selected-seats'), //座位区 
 $counter = $('#counter'), //票数 
 $total = $('#total'); //总计金额 
 var sc = $('#seat-map').seatCharts({ 
 map: [ //座位图 
  'aaaaaaaaaa', 
  'aaaaaaaaaa', 
  '__________', 
  'aaaaaaaa__', 
  'aaaaaaaaaa', 
  'aaaaaaaaaa', 
  'aaaaaaaaaa', 
  'aaaaaaaaaa', 
  'aaaaaaaaaa', 
  'aa__aa__aa' 
 ], 
 legend : { //定义图例 
  node : $('#legend'), 
  items : [ 
  [ 'a', 'available', '可选座' ], 
  [ 'a', 'unavailable', '已售出'] 
  ]   
 }, 
 click: function () { //点击事件 
  if (this.status() == 'available') { //可选座 
  $('<li>'+(this.settings.row+1)+'排'+this.settings.label+'座</li>') 
   .attr('id', 'cart-item-'+this.settings.id) 
   .data('seatId', this.settings.id) 
   .appendTo($cart); 
  $counter.text(sc.find('selected').length+1); 
  $total.text(recalculateTotal(sc)+price); 
  return 'selected'; 
  } else if (this.status() == 'selected') { //已选中 
  //更新数量 
  $counter.text(sc.find('selected').length-1); 
  //更新总计 
  $total.text(recalculateTotal(sc)-price); 
  //删除已预订座位 
  $('#cart-item-'+this.settings.id).remove(); 
  //可选座 
  return 'available'; 
  } else if (this.status() == 'unavailable') { //已售出 
  return 'unavailable'; 
  } else { 
  return this.style(); 
  } 
 } 
 }); 
 //已售出的座位 
 sc.get(['1_2', '4_4','4_5','6_6','6_7','8_5','8_6','8_7','8_8', '10_1', '10_2']).status('unavailable'); 
}); 
//计算总金额 
function recalculateTotal(sc) { 
 var total = 0; 
 sc.find('selected').each(function () { 
 total += price; 
 }); 
 return total; 
}