Angular 基于搜索值筛选子对象
我有一个搜索字段,用户可以在其中键入任何单词以获得所需的结果。我的物体向下看Angular 基于搜索值筛选子对象,angular,typescript,angular8,Angular,Typescript,Angular8,我有一个搜索字段,用户可以在其中键入任何单词以获得所需的结果。我的物体向下看 [{ "parentid":100, "parentname":"A", "child" : [ { "childid": 1, "childname": "X1", }, {
[{
"parentid":100,
"parentname":"A",
"child" : [
{
"childid": 1,
"childname": "X1",
},
{
"childid": 2,
"childname": "X2",
}]
},
{
"parentid":200,
"parentname":"B",
"child" : [
{
"childid": 3,
"childname": "X3",
},
{
"childid": 4,
"childname": "X4",
}]
}
]
如果搜索值为X4
,我将得到下面的结果
{
"parentid":200,
"parentname":"B",
"child" : [
{
"childid": 3,
"childname": "X3",
},
{
"childid": 4,
"childname": "X4",
}]
}
到目前为止我所尝试的是
//this works if user search for parentname
onSearchChange(searchValue: string): void {
this.result = this.originalList.filter(f=>f.parentname.indexOf(searchValue) !== -1);
}
//I tried below to search for parentname or childname, but no luch
onSearchChange(searchValue: string): void {
this.result = this.originalList.filter(f=>f.parentname.indexOf(searchValue) !== -1 ||
f.child.foreach(y=>y.childname.indexOf(searchValue) !== -1));
}
让arr=[{
“家长ID”:100,
“家长姓名”:“A”,
“儿童”:[
{
“孩子”:1,
“childname”:“X1”,
},
{
“孩子”:2,
“childname”:“X2”,
}]
},
{
“家长ID”:200,
“家长姓名”:“B”,
“儿童”:[
{
“孩子”:3,
“儿童姓名”:“X3”,
},
{
“孩子”:4,
“儿童姓名”:“X4”,
}]
}
];
让filteredArray=arr.filter((element)=>element.child.some((child)=>child.childname==“X4”);
控制台日志(filteredArray)代码>
this.result = this.originalList.filter(f =>
f.parentname.includes(searchvalue) ||
f.child.some(c => c.childname.includes(searchvalue))
);