问题描述
jQuery不适用于普通对象文字。您可以类似的方式使用以下函数来搜索所有“id”(或任何其他属性),而不管其在对象中的深度如何:
function getObjects(obj, key, val) {
var objects = [];
for (var i in obj) {
if (!obj.hasOwnProperty(i)) continue;
if (typeof obj[i] == 'object') {
objects = objects.concat(getObjects(obj[i], key, val));
} else if (i == key && obj[key] == val) {
objects.push(obj);
}
}
return objects;
}
像这样使用:
getObjects(TestObj, 'id', 'A'); // Returns an array of matching objects
解决方法
与brnwdrng的问题类似,我正在寻找一种搜索类似于JSON的对象的方法。假设我对象的结构是这样的:
TestObj = {
"Categories": [{
"Products": [{
"id": "a01","name": "Pine","description": "Short description of pine."
},{
"id": "a02","name": "Birch","description": "Short description of birch."
},{
"id": "a03","name": "Poplar","description": "Short description of poplar."
}],"id": "A","title": "Cheap","description": "Short description of category A."
},{
"Product": [{
"id": "b01","name": "Maple","description": "Short description of maple."
},{
"id": "b02","name": "Oak","description": "Short description of oak."
},{
"id": "b03","name": "Bamboo","description": "Short description of bamboo."
}],"id": "B","title": "Moderate","description": "Short description of category B."
}]
};
我想获得一个id =“ A”的对象。
我已经尝试过各种方法,例如:
$(TestObj.find(":id='A'"))
但似乎没有任何效果。
任何人都可以想到一种无需使用“每个”即可根据某些条件检索项目的方法吗?