Angular 角度反应形式,填充嵌套形式阵列
我有一个具有结构的JSON对象Angular 角度反应形式,填充嵌套形式阵列,angular,angular-reactive-forms,Angular,Angular Reactive Forms,我有一个具有结构的JSON对象 { "activityField": "string", "addresses": [ { "postalCode": 0, "reference": "string", "region": "string", "street": "string", "type": "string" } ], "code": "string", "description": "stri
{
"activityField": "string",
"addresses": [
{
"postalCode": 0,
"reference": "string",
"region": "string",
"street": "string",
"type": "string"
}
],
"code": "string",
"description": "string",
"domainName": "string",
"groups": [
{
"defaultGroup": true,
"name": "string",
"prestationNames": [
"string"
]
}
],
"name": "string",
"principalAddress": {
"postalCode": 0,
"region": "string",
"street": "string",
"type": "string"
}
}
除了组数组中的嵌套数组prestationsNames之外,其他一切都正常工作,
每个组数组都有一个需要从后端填充的PrestationName数组
我的问题是如何从prestationNames填充数组?
如何在html中正确绑定它?
如何获取数据的值并将其显示在复选框标签中,以及何时单击值应插入非true或false
我试着对数据列表进行硬编码,结果成功了,但这不是我需要的
我迷路了,有人能帮我吗
.ts文件:
export class AddSocieteComponent implements OnInit {
addSocieteForm: FormGroup;
arrayOfadresses: { street: String; postalCode: String; region: String }[];
numberOfAdresses: number = 0;
listOfPrestation = [];
//hardcoded for now
prestations = [
{ id: 1, name: "plomberie" },
{ id: 2, name: "chaud-froid" },
{ id: 3, name: "electricité" }
];
constructor(
private formBuilder: FormBuilder,
private societeServ: SocieteService,
private serviceServ: ServiceService
) {}
ngOnInit() {
//get list of prestation when component is intialized
this.serviceServ.getAllCatgories().subscribe(data => {
this.listOfPrestation = data;
console.log(this.listOfPrestation);
});
this.initForm();
console.log(this.groups);
console.log("pres", this.groupsControls[0].get("prestationNames"));
}
initForm() {
//create controls for chekboxes
let chekControls = this.prestations.map(element => {
return this.formBuilder.control(element.name);
});
console.log("check", chekControls);
this.addSocieteForm = this.formBuilder.group({
name: ["", [Validators.required]],
code: ["", [Validators.required, codeSocieteValidator]],
activityField: ["", [Validators.required]],
description: ["", [Validators.required]],
domainName: ["", [Validators.required]],
addresses: this.formBuilder.array([]),
groups: this.formBuilder.array([
this.formBuilder.group({
name: ["", [Validators.required]],
defaultGroup: [false, []],
prestationNames: this.formBuilder.array([])
})
]),
principalAddress: this.formBuilder.group({
street: ["", [Validators.required]],
postalCode: ["", [Validators.required, postalCodeValidator]],
region: ["", [Validators.required]]
})
});
}
//clear field
revert() {
this.addSocieteForm.reset();
}
get prestationNames(): FormArray {
return this.addSocieteForm.get("prestationNames") as FormArray;
}
get prestationNamesControls() {
return this.addSocieteForm.get("prestationNames")["controls"];
}
//get principal adress fields
get principalAdress() {
return this.addSocieteForm.get("principalAddress") as FormGroup;
}
// get controls for principal adress fields
get principalAdressControls() {
return this.addSocieteForm.get("principalAddress")["controls"];
}
// get form controls
get f() {
return this.addSocieteForm.controls;
}
// get adresses formArray
get addresses(): FormArray {
return this.addSocieteForm.get("addresses") as FormArray;
}
// get groups formArray
get groups(): FormArray {
return this.addSocieteForm.get("groups") as FormArray;
}
// get controls for groups formArray
get groupsControls() {
return this.addSocieteForm.get("groups")["controls"];
}
get asdressControls() {
return this.addSocieteForm.get("addresses")["controls"];
}
addAdress() {
if (this.numberOfAdresses < 2) {
const item = {
street: "",
postalCode: "",
region: ""
};
this.arrayOfadresses.push(item);
this.addresses.push(this.formBuilder.group(item));
this.numberOfAdresses++;
} else {
alert("nombre maximum d'adresse possible atteints");
}
console.log(this.addresses.controls);
}
// remove adress from aderesses formArray
removeAdress(index) {
this.addresses.removeAt(index);
this.numberOfAdresses--;
}
// add a group as formArray
addGroup() {
const newGroup = {
name: "",
defaultGroup: false,
prestationNames: this.formBuilder.array([this.formBuilder.control("")])
};
this.groups.push(this.formBuilder.group(newGroup));
}
//remove group from groups formArray
removeGroup(index) {
this.groups.removeAt(index);
}
onSubmitForm() {
console.log(this.addSocieteForm.value);
// save the company and subscribe to data
this.societeServ.addCompany(this.addSocieteForm.value).subscribe(data => {
console.log(data);
});
}
}
导出类AddSociateComponent实现OnInit{
addSocieteForm:FormGroup;
ArrayOfAddresses:{street:String;postalCode:String;region:String}[];
numberofaddress:number=0;
listOfPrestation=[];
//现在硬编码
救济金=[
{id:1,名字:“plomberie”},
{id:2,名称:“chaud froid”},
{id:3,名字:“electricité”}
];
建造师(
私有formBuilder:formBuilder,
私人社会服务:社会服务,
专用服务服务:服务服务服务
) {}
恩戈尼尼特(){
//获取组件初始化时的预设列表
this.serviceServ.getAllCatgories().subscribe(数据=>{
this.listOfPrestation=数据;
console.log(this.listOfPrestation);
});
this.initForm();
console.log(this.groups);
console.log(“pres”,this.groupsControl[0]。get(“prestationNames”);
}
initForm(){
//为复选框创建控件
让chekControls=this.prestations.map(元素=>{
返回此.formBuilder.control(element.name);
});
控制台日志(“检查”,检查控制);
this.addSocieteForm=this.formBuilder.group({
名称:[“”,[Validators.required]],
代码:[“”,[Validators.required,codeSocieteValidator]],
activityField:[“”,[Validators.required]],
说明:[“”,[Validators.required]],
域名:[“”,[Validators.required]],
地址:this.formBuilder.array([]),
组:this.formBuilder.array([
此为.formBuilder.group({
名称:[“”,[Validators.required]],
defaultGroup:[false,[]],
prestationNames:this.formBuilder.array([])
})
]),
principalAddress:this.formBuilder.group({
街道:[“”,[Validators.required]],
postalCode:[“”,[validator.required,postalCodeValidator]],
区域:[“”,[Validators.required]]
})
});
}
//净场
还原(){
这个.addSociateForm.reset();
}
获取prestationNames():FormArray{
将此.addSociateForm.get(“prestationNames”)作为FormArray返回;
}
获取prestationNamesControls(){
返回此.addSociateForm.get(“prestationNames”)[“controls”];
}
//获取主地址字段
获取主礼服(){
将这个.addSociateForm.get(“principalAddress”)作为FormGroup返回;
}
//获取主地址字段的控件
获取PrincipalAddressControls(){
返回这个.addSocieteForm.get(“principalAddress”)[“controls”];
}
//获取表单控件
得到f(){
返回this.addSocieteForm.controls;
}
//获得正式地址
获取地址():FormArray{
将此.addSociateForm.get(“地址”)作为FormArray返回;
}
//集合
获取组():FormArray{
将此.addSociateForm.get(“组”)作为FormArray返回;
}
//获取组的控件
获取GroupsControl(){
返回此.addSociateForm.get(“组”)[“控件”];
}
获取asdressControls(){
返回此.addSociateForm.get(“地址”)[“控件”];
}
地址(){
如果(此.numberOfAddresses<2){
常数项={
街道:“,
后代码:“,
区域:“
};
此.ArrayOfAddresss.push(项目);
this.addresses.push(this.formBuilder.group(item));
这个.numberOfAddresses++;
}否则{
警报(“标称最大地址可能尝试”);
}
console.log(this.addresses.controls);
}
//从aderesses formArray中删除地址
删除地址(索引){
this.addresses.removeAt(索引);
这个数字是多少;
}
//将组添加为formArray
addGroup(){
常量新组={
姓名:“,
defaultGroup:false,
prestationNames:this.formBuilder.array([this.formBuilder.control(“”)))
};
this.groups.push(this.formBuilder.group(newGroup));
}
//从组阵列中删除组
removeGroup(索引){
此.groups.removeAt(索引);
}
onSubmitForm(){
log(this.addSocieteForm.value);
//保存公司并订阅数据
this.societeServ.addCompany(this.addSocieteForm.value).subscribe(数据=>{
控制台日志(数据);
});
}
}
涉及组和PrestationName的html部分:
<div class="row" formArrayName="groups">
<div *ngFor="let group of groups.controls; let i=index"
[formGroup]="groups.controls[i]" class="row">
<div class="col">
<div class="form-group mt-4">
<div class="checkbox">
<label><input formControlName="defaultGroup" type="checkbox">groupe par defaut</label>
</div>
</div>
</div>
<div class="col">
<div class="form-group">
<label for="name"> Nom groupe</label>
<input class="form-control" formControlName="name" type="text">
</div>
</div>
<div class="col" formArrayName="prestationNames">
<div *ngFor="let prestation of group.get('prestationNames').controls; let nameIndex=index"
>
<div class="col-4">
<div class="form-group">
<div class="checkbox">
<label><input [formControlName]="nameIndex" type="checkbox">{{prestations[nameIndex].name}}</label>
</div>
</div>
</div>
</div>
</div>
<div class="col mt-2">
<div class="form-group">
<button
type="button"
class="btn btn-default mt-4 add-remove-button group-button"
(click)="removeGroup(i)"
>
-
</button>
</div>
</div>
</div>
</div>
票房金额
Nom群
{{prestations[nameIndex].name}
-
由于您从API获取数据,请尝试在订阅中创建表单这可能吗?当复选框不可用时,另一个问题是