Json 使用angular 2组合具有多个关键点的两个对象
我有两个对象,第二个应该是合并或与第一个数组合并,从而生成一个新数组Json 使用angular 2组合具有多个关键点的两个对象,json,angular,rxjs,associative-array,Json,Angular,Rxjs,Associative Array,我有两个对象,第二个应该是合并或与第一个数组合并,从而生成一个新数组 this.firstArray = [{ "field": "A", "value": ["1","2"] },{ "field": "B", "value": ["1","2","3"] }] this.secondArray = [{ "type": "A", "option": 1, "count": 2 }, { "type": "A
this.firstArray = [{
"field": "A",
"value": ["1","2"]
},{
"field": "B",
"value": ["1","2","3"]
}]
this.secondArray = [{
"type": "A",
"option": 1,
"count": 2
},
{
"type": "A",
"option": 2,
"count": 1
},
{
"type": "B",
"option": 1,
"count": 1
},
{
"type": "B",
"option": 3,
"count": 1
}]
所需输出:
条件:
- 字段和类型应相同
- 值和选项也应该相同
- 报数
- 如果在第二个数组中未找到,则返回0
[{ "field": "A", "value": ["1": 2,"2": 1] },{ "field": "B", "value": ["1": 1,"2": 0,"3": 1] }]
this._finalArr = this.firstArray.map(val => {
return Object.assign({}, val, this.secondArray.filter(v => v.field === val.type)[0]);
});
console.log(this._finalArr);
请把它添加到答案中,这样我就可以投赞成票了。。同样使用这种方法,我如何使用“let v of q.value”访问计数或值?我尝试了{{q.data[I].value},但没有一个有效