如何在Angular5项目中集成ngx-charts的combo-chart组件

Since your installed version of @swimlane/ngx-charts (8.0.0) doesn’t include the combo-chart component out of the box, you’ll need to manually add the component files from the library’s source code and integrate them into your Angular 5 project. Here’s a step-by-step guide to get it working:

Step 1: Retrieve Combo-Chart Component Files #

Grab the core files for the combo-chart from the ngx-charts repository’s demo directory. You’ll need:

• combo-chart.component.ts (main component logic)
• combo-chart.component.html (template markup)
• combo-chart.component.scss (component styles, if available)
• Any associated model files (e.g., combo-chart-series.model.ts if used in the component)

Step 2: Add Files to Your Project #

Create a dedicated folder in your project (like src/app/shared/components/combo-chart) and place all the copied files there. Adjust any relative paths in the component files to match your project’s folder structure.

Step 3: Update Component Imports #

Open combo-chart.component.ts and ensure all imports point to the correct locations in your ngx-charts installation. For example:

import { Component, Input, OnInit } from '@angular/core';
import { BaseChartComponent, ColorHelper, ViewDimensions } from '@swimlane/ngx-charts';
// Add any other required imports from ngx-charts or Angular core modules

Step 4: Declare the Component in Your Module #

In your Angular module (e.g., AppModule or a shared feature module), add the ComboChartComponent to the declarations array. Also, make sure you’ve imported the necessary ngx-charts dependencies:

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { NgxChartsModule } from '@swimlane/ngx-charts';
import { ComboChartComponent } from './shared/components/combo-chart/combo-chart.component';

@NgModule({
  declarations: [ComboChartComponent],
  imports: [CommonModule, NgxChartsModule],
  exports: [ComboChartComponent] // Export if you need to use it across multiple modules
})
export class AppModule { }

Step 5: Use the Combo-Chart in Your Template #

You can now use the combo-chart component in any of your templates. Here’s a basic example with sample data:

<combo-chart
  [view]="[700, 400]"
  [scheme]="colorScheme"
  [results]="chartData"
  [xAxis]="true"
  [yAxis]="true"
  [xAxisLabel]="'Year'"
  [yAxisLabel]="'Value'"
  [legend]="true"
  [showXAxisLabel]="true"
  [showYAxisLabel]="true"
></combo-chart>

In your component class, define the required data and properties:

import { Component } from '@angular/core';

@Component({
  selector: 'app-my-chart',
  templateUrl: './my-chart.component.html'
})
export class MyChartComponent {
  colorScheme = {
    domain: ['#5AA454', '#A10A28', '#C7B42C', '#AAAAAA']
  };

  chartData = [
    {
      name: 'Series 1',
      series: [
        { name: '2010', value: 100 },
        { name: '2011', value: 150 },
        { name: '2012', value: 200 }
      ]
    },
    {
      name: 'Series 2',
      series: [
        { name: '2010', value: 50 },
        { name: '2011', value: 75 },
        { name: '2012', value: 100 }
      ]
    }
  ];
}

Step 6: Verify and Troubleshoot #

• Check for compilation errors related to missing imports or incompatible syntax (adjust for Angular 5’s feature set if needed).
• Ensure component styles are loaded either by importing the scss file directly or adding it to your global styles bundle.
• Test the component with your actual data to confirm it renders and behaves as expected.

Content of this answer is based on the question from Stack Exchange, asked by kdiouri1994