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javascript - 如何使用 jquery 打印基于下拉选择的值?

转载 作者:行者123 更新时间:2023-12-03 02:31:10 25 4
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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,我需要显示以打印电影名称和影院列表以及影院下拉列表。

并选择一个下拉菜单,另一个下拉菜单不会改变(当用户选择电影下拉菜单时,剧院下拉菜单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>

最佳答案

$(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);
});



}
}
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<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>

关于javascript - 如何使用 jquery 打印基于下拉选择的值?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/48727848/

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