【发布时间】：2018-02-11 02:56:40
【问题描述】：
下面是我的代码，它显示来自 JSON 变量的电影数据，并根据所选城市将其显示在下拉列表中。
当用户在电影下拉列表中选择电影时，我需要显示电影名称和影院列表以及影院下拉列表。
并选择一个下拉另一个下拉不改变（当用户选择电影下拉影院下拉是默认状态以及另一个）
下面是我的html
$(document).ready(function() {
var cityData = [
{
cityName: 'Bengaluru',
value: 'Bengaluru',
data: [
{
movieName: 'ABC',
theaterName: 'Tulsi Theatre',
showTImings:['8:00AM','12:00PM','4:00PM','9:00PM']
},
{
movieName: 'DEF',
theaterName: 'PVR',
showTImings:['8:00AM','12:00PM','4:00PM','9:00PM']
},
{
movieName: 'GHI',
theaterName: 'Srinivasa Theatre',
showTImings:['8:00AM','12:00PM','4:00PM','9:00PM']
},
],
},
{
cityName: 'Hyderabad',
value: 'Hyderabad',
data: [
{
movieName: '123',
theaterName: 'Theatre1',
showTImings:['8:00AM','12:00PM','4:00PM','9:00PM']
},
{
movieName: '456',
theaterName: 'PVR2',
showTImings:['8:00AM','12:00PM','4:00PM','9:00PM']
},
{
movieName: '789',
theaterName: 'Theatre3',
showTImings:['8:00AM','12:00PM','4:00PM','9:00PM']
},
],
},
{
cityName: 'Guntur',
value: 'Guntur',
data: [
{
movieName: 'ABC1',
theaterName: 'Theatre4',
showTImings:['8:00AM','12:00PM','4:00PM','9:00PM']
},
{
movieName: 'DEF2',
theaterName: 'PVR3',
showTImings:['8:00AM','12:00PM','4:00PM','9:00PM']
},
{
movieName: 'GHI3',
theaterName: 'Theatre5',
showTImings:['8:00AM','12:00PM','4:00PM','9:00PM']
},
],
},
{
cityName: 'Ongole',
value: 'Ongole',
data: [],
},
];
var locations = [] ;
$('#selectCity').on('change', function() {
if ($(this).val().indexOf('City') === -1) {
locations = cityData.filter( c => c.cityName === $(this).val(),)[0].data;
var locationString = '';
var locationString2 = '';
if(locations.length == 0){
$('#showTimings').html('No shows available');
}
$.each(locations, function(i, item) {
locationString +='<option value="' +item.theaterName +'">' +item.theaterName +'</option>';
locationString2 +='<option value="' +item.movieName +'">' +item.movieName +'</option>';
$('#showTimings').html('');
$.each(locations[i].showTImings,function(i,v){
var button = $('<button />').html(v);
$('#showTimings').append(button);
});
});
$('#secondselectbox').html(locationString);
$('#thirdselectbox').html(locationString2);
$('span#selectedMovie').text($('#thirdselectbox').val());
$('span#selectedTheater').text($('#secondselectbox').val());
}
});
$('#secondselectbox').on('change', function() {
var theater = $(this).val();
for(var i in locations){
if(locations[i].theaterName===theater){
$('span#selectedTheater').text(theater);
$('span#selectedMovie').text(locations[i].movieName);
$('#thirdselectbox').val(locations[i].movieName);
$('#showTimings').html('');
$.each(locations[i].showTImings,function(i,v){
var button = $('<button />').html(v);
$('#showTimings').append(button);
});
}
}
});
$('#thirdselectbox').on('change', function() {
var movie = $(this).val();
for(var i in locations){
if(locations[i].movieName===movie){
$('span#selectedMovie').text(movie);
$('span#selectedTheater').text(locations[i].theaterName);
$('#secondselectbox').val(locations[i].theaterName);
$('#showTimings').html('');
$.each(locations[i].showTImings,function(i,v){
var button = $('<button />').html(v);
$('#showTimings').append(button);
});
}
}
});
}); <div class="UserData">
<h1><a href="moviebooking.html">MyMovie-Ticket-Booking</a></h1>
<select class="selectCity" id="selectCity">
<option value="">Select City</option>
<option value="Bengaluru">Bengaluru</option>
<option value="Hyderabad">Hyderabad</option>
<option value="Guntur">Guntur</option>
<option value="Ongole">Ongole</option>
</select>
<span id="welcome"> </span>
<p id="demo" class="cityName"></p>
</div>
<div class="MoviesList" id="List">
<label class="TitleName">Movie Name:</label>
<select id="thirdselectbox" class="TheaterList">
<option selected="selected"> Select Movie </option>
</select>
<label class="TitleName">Theater Name:</label>
<select id="secondselectbox" class="MovieList">
<option selected="selected"> Select Theater </option>
</select>
<fieldset class="Container">
<legend class="selection">Your Selection</legend>
<div class="TmName">
Theater: <span id="selectedTheater"></span>
<div id="showTimings" style="width: 30%;margin: 0 auto;">
<!--<button class="movieTimings"></button>
<button class="movieTimings"></button>
<button class="movieTimings"></button>
<button class="movieTimings"></button>-->
</div>
Movie: <span id="selectedMovie"></span>
</div>
</fieldset>
</div>【问题讨论】：
-
问题不清楚
-
@ whoami 当用户在电影下拉列表中选择电影以打印电影名称和影院列表以及影院选择时
-
@Babu 您需要迭代
citydata对象并找到剧院和放映时间 -
@Nir Tzezana 你能告诉我怎么做吗
-
您的代码运行良好！！！看到这个小提琴jsfiddle.net我弄错你在找什么了吗？
标签： javascript jquery html json