Angular:formGroup中嵌套formArray,在formArray中存放的可編輯table中的字段的動態展示

今天做的項目中做了一個新增頁面,其中最頂級是一個formGroup表單命名爲editClauseForm,裏面有幾個單獨的字段,還有一個嵌套的formArray,命名爲clauseArr,這個clauseArr中存放一個用戶自己可填寫的table。其中有一個“默認人員”字段是彈窗中選擇人員之後把名稱帶出來填到這個字段中:

關閉彈窗後用戶名稱name已經拿到了,但是我發現在ts上不知道怎麼綁定到這個input中,用了purchaseFlowTempDetailVOList.value[this.editIndex].defaultRole.setValue()等方法,都是發現能改變table裏面的字段值,但是沒有動態填寫到<input>輸入框中,所以我判斷應該是表單取值的時候結構有問題,經過一番試驗,終於找到了正確的綁定表單的方法。

這裏貼上我的修改後的table的代碼:

外層就是一個formGroup,這裏就只貼出table的部分——


 <nz-table #clauseTable nzSize="small" [nzData]="editClauseForm.get('purchaseFlowTempDetailVOList')['controls']"
    [nzBordered]="true" [nzTotal]="total" [(nzPageIndex)]="tableConfig.pageNum">
    <thead>
      <tr>
        <th *ngIf="!_isReadOnly">操作</th>
        <th width="10%"><i style="color: red;">* </i>審批層級</th>
        <th width="12%"><i style="color: red;">* </i>審批角色</th>
        <th width="10%">條件1</th>
        <th width="12%">金額1</th>
        <th width="10%">條件2</th>
        <th width="12%">金額2</th>
        <th width="15%">默認人員</th>
      </tr>
    </thead>
    <tbody formArrayName="purchaseFlowTempDetailVOList">
      <tr *ngFor="let item of clauseTable.data; let i = index;"
        [formGroupName]="tableConfig.pageSize * (tableConfig.pageNum - 1) + i">
        <td *ngIf="!_isReadOnly">
          <span class="operate-text" (click)="delClause(i)">刪除</span>
        </td>
        <td>
          <!-- {{tableConfig.pageSize * (tableConfig.pageNum - 1) + i + 1}} -->
          <nz-form-control>
            <input nz-input [maxlength]="InputMaxLength.ApprovalLevel" formControlName="approveLevel" disabled
              *ngIf="_isReadOnly" />
            <input nz-input [maxlength]="InputMaxLength.ApprovalLevel" formControlName="approveLevel"
              *ngIf="!_isReadOnly" />
          </nz-form-control>
        </td>
        <td>
          <nz-form-control>
            <input nz-input [maxlength]="InputMaxLength.ApprovalRole" formControlName="approveRole" disabled
              *ngIf="_isReadOnly" />
            <input nz-input [maxlength]="InputMaxLength.ApprovalRole" formControlName="approveRole"
              *ngIf="!_isReadOnly" />
          </nz-form-control>
        </td>
        <td>
          <nz-form-control>
            <nz-select style="width: 100%;" formControlName="conditionOne" nzDisabled *ngIf="_isReadOnly">
              <nz-option nzValue=">" nzLabel=">"></nz-option>
              <nz-option nzValue=">=" nzLabel=">="></nz-option>
            </nz-select>
            <nz-select style="width: 100%;" nzAllowClear formControlName="conditionOne" *ngIf="!_isReadOnly">
              <nz-option nzValue=">" nzLabel=">"></nz-option>
              <nz-option nzValue=">=" nzLabel=">="></nz-option>
            </nz-select>
          </nz-form-control>
        </td>
        <td>
          <nz-form-control>
            <input nz-input [maxlength]="InputMaxLength.Price1" formControlName="amountOne" disabled
              *ngIf="_isReadOnly" />
            <input nz-input [maxlength]="InputMaxLength.Price1" formControlName="amountOne" *ngIf="!_isReadOnly" />
          </nz-form-control>
        </td>
        <td>
          <nz-form-control>
            <nz-select style="width: 100%;" formControlName="conditionTwo" nzDisabled *ngIf="_isReadOnly">
              <nz-option nzValue=">" nzLabel="<"></nz-option>
              <nz-option nzValue=">=" nzLabel="<="></nz-option>
            </nz-select>
            <nz-select style="width: 100%;" formControlName="conditionTwo" nzAllowClear *ngIf="!_isReadOnly">
              <nz-option nzValue=">" nzLabel="<"></nz-option>
              <nz-option nzValue=">=" nzLabel="<="></nz-option>
            </nz-select>
          </nz-form-control>
        </td>
        <td>
          <nz-form-control>
            <input nz-input [maxlength]="InputMaxLength.Price2" formControlName="amountTwo" disabled
              *ngIf="_isReadOnly" />
            <input nz-input [maxlength]="InputMaxLength.Price2" formControlName="amountTwo" *ngIf="!_isReadOnly" />
          </nz-form-control>
        </td>
        <!-- 選擇審批人員 -->
        <td>
          <nz-form-control>
            <nz-input-group [nzAddOnAfter]="affixTpl">
              <input nz-input formControlName="defaultApproveMember" disabled *ngIf="_isReadOnly">
              <input nz-input (focus)="showSelectUser('defaultApproveMember',i)" formControlName="defaultApproveMember"
                *ngIf="!_isReadOnly">
            </nz-input-group>
            <ng-template #affixTpl *ngIf="!_isReadOnly">
              <i class="anticon anticon-close" (click)="clearFlowUser(i)"></i>
            </ng-template>
          </nz-form-control>
        </td>
      </tr>
    </tbody>
  </nz-table>
  /* 選擇人員後 */
  public onUserSelect(name: string, userId: string) {
    this.showSelectUserModal = !this.showSelectUserModal;
    const purchaseFlowTempDetailVOList = this.editClauseForm.get('purchaseFlowTempDetailVOList') as FormArray;
    purchaseFlowTempDetailVOList.at(this.editIndex)['controls']['defaultApproveMember'].setValue(name);
    purchaseFlowTempDetailVOList.at(this.editIndex)['controls']['defaultApproveMemberId'].setValue(userId);
  }



ngOnInit() {
    this.editClauseForm = this.formBuilder.group({        // 外層formBuilder
      templateNo: [null, Validators.required],
      templateType: [null, [Validators.required]],
      approvalLevel: [null, Validators.required],
      clauseArr: this.formBuilder.array([ 

      ])
    });
  }

同時貼出獲取整個表單信息的時候,怎麼去把獲取的信息傳到這個表單中的formArray中:

  /* 獲取頁面信息 */
  public getDetail() {
    this.approvalFormService.getApprovalFlowItem(this._detailId).subscribe((resData) => {
      // 表單中除了formArray以外需要獲取的字段信息      
      this.editClauseForm.patchValue({              
        approveType: resData.value.approveType, pipe: 'approveType',
        approveLevel: resData.value.approveLevel,
      });
      const purchaseFlowTempDetailVOList = this.formBuilder.array([]);    // 聲明table也就是formArray
      resData.value.purchaseFlowTempDetailVOList.forEach((item) => {
        purchaseFlowTempDetailVOList.push(this.newClauseForm(item));      // 逐行獲取push到formArray中
      });
      this.editClauseForm.setControl('purchaseFlowTempDetailVOList', purchaseFlowTempDetailVOList);
      this.total = resData.value.purchaseFlowTempDetailVOList.length;
    });
  }


  /* 新增一行或遍歷table時 */
  public newClauseForm(data?: any) {
    const form = this.formBuilder.group({
      approveLevel: [null, [Validators.required, Validators.maxLength(this.InputMaxLength.ApprovalLevel)
        , this.ufastValidatorsService.onlyNumber()]],
      approveRole: [null, [Validators.required, Validators.maxLength(this.InputMaxLength.ApprovalRole)]],
      conditionOne: [null],
      amountOne: [null, [Validators.maxLength(this.InputMaxLength.Price1)]],
      conditionTwo: [null],
      amountTwo: [null, [Validators.maxLength(this.InputMaxLength.Price2)]],
      defaultApproveMember: [null],
      defaultApproveMemberId: [null],
    });
    if (data) {
      form.patchValue(data);
    }
    return form;
  }

 

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