edit

src/app/routes/usercenter/components/freight/list/detail/detail.component.html

@@ -1,5 +1,5 @@
 <!-- 页头 -->
-<page-header-wrapper [logo]="logo" [content]="content" [title]="'企业详情'">
+<page-header-wrapper [logo]="logo" [content]="content" [title]="'企业详情'" [ngClass]="{'affix': scrollTop>210}">
   <ng-template #logo>
     <button nz-button nz-tooltip nzTooltipTitle="返回上一页" (click)="goBack()">
       <i nz-icon nzType="left" nzTheme="outline"></i>

src/app/routes/usercenter/components/freight/list/detail/detail.component.less

@@ -19,3 +19,12 @@
     margin-bottom: 5px;
   }
 }
+
+:host::ng-deep {
+  .affix {
+    position: fixed !important;
+    top     : 20px !important;
+    z-index : 999 !important;
+    width   : 100% !important;
+  }
+}

src/app/routes/usercenter/components/freight/list/detail/detail.component.ts

@@ -1,4 +1,4 @@
-import { Component, OnInit, ViewChild } from '@angular/core';
+import { Component, OnDestroy, OnInit, ViewChild } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
 import { apiConf } from '@conf/api.conf';
 import { STColumn, STComponent } from '@delon/abc/st';
@@ -6,6 +6,8 @@ import { SFComponent, SFDateWidgetSchema, SFSchema, SFUISchema } from '@delon/fo
 import { DatePipe, ModalHelper, _HttpClient } from '@delon/theme';
 import { NzMessageService } from 'ng-zorro-antd/message';
 import { NzModalService } from 'ng-zorro-antd/modal';
+import { logging } from 'protractor';
+import { fromEvent, Subscription } from 'rxjs';
 import { UsermanageService } from '../../../../services/usercenter.service';
 
 @Component({
@@ -14,7 +16,7 @@ import { UsermanageService } from '../../../../services/usercenter.service';
   styleUrls: ['./detail.component.less'],
   providers: [DatePipe]
 })
-export class FreightComponentsListDetailComponent implements OnInit {
+export class FreightComponentsListDetailComponent implements OnInit, OnDestroy {
   @ViewChild('approvedModal', { static: false })
   approvedModal!: any;
   @ViewChild('redectModal', { static: false })
@@ -41,16 +43,25 @@ export class FreightComponentsListDetailComponent implements OnInit {
   };
 
   billEvaluate = null;
+
+  scrollTop = 0;
+  subscribeScoll!: Subscription;
   constructor(
     public service: UsermanageService,
     private route: ActivatedRoute,
     private nzModalService: NzModalService,
     private datePipe: DatePipe
   ) {}
+  ngOnDestroy(): void {
+    this.subscribeScoll.unsubscribe();
+  }
 
   ngOnInit() {
     this.initData();
     this.loadltdId();
+    this.subscribeScoll = fromEvent(window, 'scroll').subscribe(event => {
+      this.scrollTop = document.documentElement.scrollTop;
+    });
   }
   loadltdId() {
     this.service.getNetworkFreightForwarder().subscribe(res => {