fix bug

src/app/shared/components/dict-select/dict-select.component.ts

@@ -0,0 +1,68 @@
+import { ChangeDetectionStrategy, ChangeDetectorRef, Component, forwardRef, Input, OnInit } from '@angular/core';
+import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
+import { AddressComponent } from '@shared';
+import { DictSelectService } from './dict-select.service';
+
+@Component({
+  selector: 'app-dict-select',
+  templateUrl: './dict-select.component.html',
+  styleUrls: ['./dict-select.component.less'],
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => DictSelectComponent),
+      multi: true,
+    },
+  ],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class DictSelectComponent implements OnInit, ControlValueAccessor {
+
+  private onChangeFn?: (val: string) => void;
+  private onTouchedFn?: () => void;
+
+  defaultUrl = `/api/mdc/pbc/dictItems/getDictValue`;
+  @Input() value: string = ''; // 默认选中值
+  @Input() url: string = ''; // 获取字典数据的地址
+  @Input() params = {};// 请求参数
+
+  dictList: any[] = [];
+
+  constructor(public service: DictSelectService, public cdr: ChangeDetectorRef) { }
+
+  writeValue(geo: string): void {
+    if (geo == null) {
+      this.value = '';
+      return;
+    }
+    this.value = geo;
+  }
+  registerOnChange(fn: any): void {
+    this.onChangeFn = fn;
+  }
+  registerOnTouched(fn: any): void {
+    this.onTouchedFn = fn;
+  }
+
+  ngOnInit(): void {
+
+    this.service.getDictList(this.url || this.defaultUrl, this.params).subscribe(res => {
+      if (res) {
+        this.dictList = res || [];
+        if (this.dictList.length > 0) {
+          const obj = { label: '全部', value: '' };
+          this.dictList.unshift(obj);
+        }
+        this.cdr.markForCheck();
+      }
+    });
+  }
+  change($event: any) {
+    this.onChangeFn!($event);
+  }
+
+  isEmpty(val: any) {
+    return val === undefined || val === null || val === '';
+  }
+
+}