Angular + NG-ZORRO快速開發一個後台系統

// app.module.ts

import { ReactiveFormsModule } from '@angular/forms';
import { NzTableModule } from 'ng-zorro-antd/table';
import { NzModalModule } from 'ng-zorro-antd/modal';
import { NzButtonModule } from 'ng-zorro-antd/button';
import { NzFormModule } from 'ng-zorro-antd/form';
import { NzInputModule } from 'ng-zorro-antd/input';


// ...

imports: [ // 是在 imports 中添加，而不是 declarations 中声明
  NzTableModule,
  NzModalModule,
  NzButtonModule,
  NzFormModule,
  ReactiveFormsModule,
  NzInputModule
],

// app.routing.module.ts

import { NgModule } from '@angular/core';
import { Routes, RouterModule, PreloadAllModules } from '@angular/router';
import { WelcomeComponent } from './pages/welcome/welcome.component';
import { UserComponent } from './pages/user/user.component';
import { UserInfoComponent } from './pages/user/user-info/user-info.component';

// 相关的路由
const routes: Routes = [
  { 
    path: '', 
    pathMatch: 'full', 
    redirectTo: '/welcome' 
  },
  {
    path: 'welcome',
    component: WelcomeComponent
  },
  {
    path: 'user',
    component: UserComponent
  },
  {
    path: 'user/add',
    component: UserInfoComponent
  },
  {
    path: 'user/edit/:uuid',
    component: UserInfoComponent
  }
];

@NgModule({
  imports: [RouterModule.forRoot(
    routes,
    {
      useHash: true,// 使用 hash 模式
      preloadingStrategy: PreloadAllModules
    }
  )],
  exports: [RouterModule]
})
export class AppRoutingModule { }

// user.component.html

<nz-table #basicTable [nzData]="list">
  <thead>
    <tr>
      <th>Name</th>
      <th>Position</th>
      <th>Action</th>
    </tr>
  </thead>
  <tbody>
    <!-- 对获取到的数据进行遍历 -->
    <tr *ngFor="let data of basicTable.data">
      <td>{{data.name}}</td>
      <td>{{data.position}}</td>
      <td>
        <a style="color: #f00;">Delete</a>
      </td>
    </tr>
  </tbody>
</nz-table>

{
  "users": [
    {
      "uuid": 1,
      "name": "Jimmy",
      "position": "Frontend"
    },
    {
      "uuid": 2,
      "name": "Jim",
      "position": "Backend"
    }
  ],
  "environment": "development"
}

// user.component.ts

import { Component, OnInit } from '@angular/core';
import { UserService } from 'src/app/services/user.service';

@Component({
  selector: 'app-user',
  templateUrl: './user.component.html',
  styleUrls: ['./user.component.scss']
})
export class UserComponent implements OnInit {

  public list: any = []

  constructor(
    private readonly userService: UserService
  ) { }

  ngOnInit(): void {
    if(localStorage.getItem('users')) {
      let obj = localStorage.getItem('users') || '{}'
      this.list =  JSON.parse(obj)
    } else {
      this.getList()
    }
  }

  // 获取用户列表
  getList() {
    this.userService.getUserList().subscribe({
      next: (data: any) => {
        localStorage.setItem('users', JSON.stringify(data.users))
        this.list = data.users
      },
      error: (error: any) => {
        console.log(error)
      }
    })
  }

}

// user-info.component.html

<form nz-form [formGroup]="validateForm" class="login-form" (ngSubmit)="submitForm()">
  <nz-form-item>
    <nz-form-control nzErrorTip="请输入用户名!">
      <input type="text" nz-input formControlName="username" placeholder="请输入用户名" style="width: 160px;" />
    </nz-form-control>
  </nz-form-item>
  <nz-form-item>
    <nz-form-control nzErrorTip="请输入职位!">
      <input type="text" nz-input formControlName="position" placeholder="请输入职位" style="width: 160px;"/>
    </nz-form-control>
  </nz-form-item>
  <button nz-button class="login-form-button login-form-margin" [nzType]="&#39;primary&#39;">确认</button>
</form>

// user-info.component.ts

import { Component, OnInit } from '@angular/core';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
import { ActivatedRoute, ParamMap } from '@angular/router';

@Component({
  selector: 'app-user-info',
  templateUrl: './user-info.component.html',
  styleUrls: ['./user-info.component.scss']
})
export class UserInfoComponent implements OnInit {

  public isAdd: boolean = true;
  public userInfo: any = []
  public uuid: number = 0;

  validateForm!: FormGroup;

  constructor(
    private fb: FormBuilder,
    private route: ActivatedRoute,
  ) { }

  ngOnInit(): void {
    this.userInfo = JSON.parse(localStorage.getItem('users') || '[]')
    this.route.paramMap.subscribe((params: ParamMap)=>{
      this.uuid = parseInt(params.get('uuid') || '0')
    })
    // 是编辑状态，设置标志符
    if(this.uuid) {
      this.isAdd = false
    }
    
    if(this.isAdd) {
      this.validateForm = this.fb.group({
        username: [null, [Validators.required]],
        position: [null, [Validators.required]]
      });
    } else {
      let current = (this.userInfo.filter((item: any) => item.uuid === this.uuid))[0] || {}
      // 信息回填
      this.validateForm = this.fb.group({
        username: [current.name, [Validators.required]],
        position: [current.position, [Validators.required]]
      })
    }
    
  }

  submitForm() {
    // 如果不符合提交，则报错
    if(!this.validateForm.valid) {
      Object.values(this.validateForm.controls).forEach((control: any) => {
        if(control?.invalid) {
          control?.markAsDirty();
          control?.updateValueAndValidity({ onlySelf: true });
        }
      })
      return
    }

    // 获取到表单的数据
    const data = this.validateForm.value
    // 新增用户
    if(this.isAdd) {
      
      let lastOne = (this.userInfo.length > 0 ? this.userInfo[this.userInfo.length-1] : {});
      this.userInfo.push({
        uuid: (lastOne.uuid ? (lastOne.uuid + 1) : 1),
        name: data.username,
        position: data.position
      })
      localStorage.setItem('users', JSON.stringify(this.userInfo))
    } else { // 编辑用户，更新信息
      let mapList = this.userInfo.map((item: any) => {
        if(item.uuid === this.uuid) {
          return {
            uuid: this.uuid,
            name: data.username,
            position: data.position
          }
        }
        return item
      })
      localStorage.setItem('users', JSON.stringify(mapList))
    }
  }

}

// user.component.ts

// 删除
delete(data: any) {
  this.modal.confirm({
    nzTitle: &#39;<i>你想删除该用户?</i>&#39;,
    nzOnOk: () => {
      let users = JSON.parse(localStorage.getItem(&#39;users&#39;) || &#39;[]&#39;);
      let filterList = users.filter((item: any) => item.uuid !== data.uuid);
      localStorage.setItem(&#39;users&#39;, JSON.stringify(filterList));
      this.list = filterList
    }
  });
}