我对JS和JQuery很新颖,我试图使用复选框过滤页面上的JSON数据。到目前为止,我已经得到它为每个选中的复选框工作。除了我有一个问题。我怎样才能让这段代码更好,让你选择多个复选框,它显示了这两个数据。以下是我的代码。试图通过复选框筛选JSON内容
//filter data with checkboxes
$('#submitFilter').click(function() {
var final = '';
$('.filters:checked').each(function() {
var values = $(this).val();
final += values;
});
var globalFilterVariable = '';
var categoryImage = '';
$.each(product_data, function(i, item) {
if (final.indexOf("1") >= 0) {
globalFilterVariable = item.itemGlutenFree;
} else if (final.indexOf("2") >= 0) {
globalFilterVariable = item.itemGMOFree;
} else if (final.indexOf("3") >= 0) {
globalFilterVariable = item.itemOrganic;
} else if (final.indexOf("4") >= 0) {
globalFilterVariable = item.itemLowSodium;
} else if (final.indexOf("5") >= 0) {
globalFilterVariable = item.itemBPAFree;
} else if (final.indexOf("6") >= 0) {
globalFilterVariable = item.itemKosherSym;
}
//convert JSON strings to uppercase for comparison
var brandLetter = item.itemBrandLetter.toUpperCase();
var foodService = item.itemDeli.toUpperCase();
if (globalFilterVariable !== "N" && globalFilterVariable !== "n" && globalFilterVariable !== "" && brandLetter == "C" && foodService == "N") {
categoryImage += '<div class="col-lg-3 col-md-4 col-sm-6 col-xs-12">' + '<a href="#"' + 'class="showProduct"' + 'data-itemcategory="' + item.itemCategory + '"' + 'data-itempageurl="' + item.itemFullUPC + '"' + 'data-itemgmo="' + item.itemGMOFree + '"' + 'data-itembpa="' + item.itemBPAFree + '"' + 'data-itemgluten="' + item.itemGlutenFree + '"' + 'data-itemlowsodium="' + item.itemLowSodium + '"' + 'data-itemkosher="' + item.itemKosherSym + '"' + 'data-itemorganic="' + item.itemOrganic + '"' + 'data-itemimage="' + item.imageURL + '"' + 'data-itemname="' + item.itemName + '"' + 'data-itemoz="' + item.itemPackSize + '"' + 'data-itemdescription="' + item.itemDescription + '"' + 'data-itemupc="' + item.itemFullUPC + '">' + '<img class="img-responsive img-hover productImagesCategory" src="' + item.imageURL + '">' + '<h3>' + item.itemName + '</h3>' + '</a>' + '</div>';
console.log(globalFilterVariable);
}
});
$('#imagesCategoryProducts').hide().html(categoryImage).fadeIn('slow');
closeNav();
});
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap-theme.min.css" rel="stylesheet"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
<form>
<div class="checkbox">
<label>
<input type="checkbox" id="filter-gulten" class="filters" value="1">Gluten Free</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" id="filter-non-gmo" class="filters" value="2">Non-GMO</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" id="filter-organic" class="filters" value="3">Organic</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" id="filter-low-sodium" class="filters" value="4">Low Sodium</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" id="filter-bpa-free" class="filters" value="5">BPA Free</label>
</div>
<div class="checkbox">
<label>
<input type="checkbox" id="filter-kosher" class="filters" value="6">Kosher</label>
</div>
<button type="button" id="submitFilter" class="btn btn-primary">Submit</button>
<button type="button" id="clearFilter" class="btn btn-primary">Clear</button>
</form>
[
{
"_id":"57741c92cce3c4c741000002",
"itemGMOFree":"Y",
"itemBrandLetter":"C",
"itemKosherSym":"OU",
"itemShipper":"N",
"itemRefridge":"N",
"itemFrozen":"N",
"itemPreWeight":"Y",
"itemDeli":"N",
"itemGlutenFree":"Y",
"itemHoliday":"N",
"itemSeasonBuy":"N",
"itemScannable":"N",
"itemUnlabeled":"N",
"itemPalletWeight":2368.8,
"itemPalletTiers":11,
"itemPalletBlocks":17,
"itemCaseCube":0.29,
"itemCaseDepth":12,
"itemCaseWidth":9,
"itemCaseHeight":4.75,
"itemCaseWeight":12.4,
"itemCaseUnits":12,
"itemPieceCube":0.02,
"itemPieceDepth":2.88,
"itemPieceWidth":2.88,
"itemPieceHeight":4.25,
"itemPieceWeight":1,
"itemNetContent":"14",
"itemFullUPC":"070796400032",
"itemCountry":"Italy",
"itemPackSize":"12/14 oz",
"itemUOM":"OZ",
"itemDescription":"0",
"itemName":"test",
"itemBuildNum":0,
"itemSuffix":2,
"itemItem":40003,
"itemMFG":70796,
"itemPrefix":0,
"itemCase_GTIN":30,
"itemPiece_GTIN":0,
"imageURL":"test.jpg",
"itemCommodity":"1120",
"__v":0,
"itemLastUpdated":"1/19/2017 9:56:16 AM",
"itemVendor":0,
"itemBPAFree":"Y",
"itemLowSodium":"N",
"itemOrganic":"N",
}
]
我会用',而不是result''final',因为它通常是一个保留字,甚至尽管在JavaScript中作为变量名可能会“确定”。此外,获取选定的值,并将其用作键查找,而不是使用非常详细的if-else条件... –
@ Mr.Polywhirl感谢您的建议。你认为你能为我提供一个简单的例子吗?将非常感谢 – Tom
'product_data'看起来像什么? – Jerrad