如何以逗号分隔获取具有相同键值的对象 [英] How to get objects with same key values with comma separated
本文介绍了如何以逗号分隔获取具有相同键值的对象的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个对象数组,每个对象都有键和值.我想如果对象具有相同的键,那么它们的值应以逗号分隔所有相同键的值. 我的html代码:
I have an array of objects , each object have key and value .I want if object have same keys then their values shoud be comma sepated of all the values of same key. my html code:
<p ng-repeat="item in allOptions" class="item" id="{{item.id}}">
{{item.id}} <input type="checkbox" ng-change="sync(bool, item)" ng-model="bool" > {{item}} Selected: {{bool}}
</p>
我的控制器代码是:
$scope.allOptions = [
{
"id": "1",
"data": "one",
},
{
"id": "1",
"data": "two",
},
{
"id": "2",
"data": "three",
},
];
$scope.data = [
];
$scope.sync = function(bool, item){
if(bool){
// add item
$scope.data.push(item);
} else {
// remove item
for(var i=0 ; i < $scope.data.length; i++) {
if($scope.data[i] == item.id){
$scope.data.splice(i,1);
}
}
}
};
在数据数组中我有对象,如果我们选择对象的相同键(相同的id值),那么我想要
In data array i have objects ,if we select same key of objects (same id value )then i want
{
"id": "1",
"data": "one","two",
}
推荐答案
var myData = [{
"id": "1",
"data": "one",
},{
"id": "1",
"data": "two",
},{
"id": "2",
"data": "three",
}];
var output = [];
//Iterating each element of the myData
myData.forEach(o => {
//Checking the duplicate value and updating the data field
let temp = output.find(x => {
if (x && x.id === o.id) {
x.data += ", " + o.data;
return true;
}
});
if(!temp)
output.push(o);
});
console.log(output);
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