前言

微软之前有个项目叫做Monaco Workbench，后来这个项目变成了VS Code，而Monaco Editor就是从这个项目中成长出来的一个web编辑器，所以Monaco Editor和VS Code在编辑代码，交互以及UI上几乎是一摸一样的，有点不同的是，两者的平台不一样，Monaco Editor基于浏览器，而VS Code基于electron，所以功能上VSCode更加健全，并且性能比较强大。本文主要介绍ng-zorro 框架集成Monaco Editor实现文本比对。Monaco Editor 不仅能做文本比对，同样可以做代码编辑器，可以查阅《使用微软Monaco Editor 编写在线调试工具》。

环境及组件

Monaco Editor 微软 Monaco Editor 编辑器
Ant Design of Angular NG-ZORRO
ngx-monaco-editor monaco-editor angular npm 包

实现

根据 ngx-monaco-editor 文档按angular版本安装指定版本的npm包
注意：版本对应不上会导致资源404错误

Angular <= 4: v3.x.x
Angular 5: v5.x.x
Angular 6: v6.x.x
Angular 7: v7.x.x
Angular 8: v8.x.x
Angular 9: v9.x.x

npm install ngx-monaco-editor@6.0.0 --save

接下来配置全局静态资源
Angular 6 之前版本添加到.angular-cli.json文件中

{"options": {{"assets": [{ "glob": "**/*", "input": "node_modules/ngx-monaco-editor/assets/monaco", "output": "./assets/monaco/" }],...}...},...
}

Angular 6 之后版本添加到.angular.json文件中

{"apps": [{"assets": [{ "glob": "**/*", "input": "../node_modules/ngx-monaco-editor/assets/monaco", "output": "./assets/monaco/" }],...}...],...
}

Angular 模块文件中配置 DiffEditorModule

import { NgModule } from '@angular/core';
import { DiffEditorRoutingModule } from './diff-editor-routing.module';
import { DiffEditorComponent } from './diff-editor.component';
import { NgZorroAntdModule } from 'ng-zorro-antd';
import { CommonModule } from '@angular/common';
import { ClipboardModule } from 'ngx-clipboard';
import { FormsModule } from '@angular/forms';
import { MonacoEditorModule } from 'ngx-monaco-editor';@NgModule({imports: [CommonModule,DiffEditorRoutingModule,NgZorroAntdModule,ClipboardModule,FormsModule,MonacoEditorModule.forRoot(),],declarations: [DiffEditorComponent],exports: [DiffEditorComponent]
})
export class DiffEditorModule { }

Monaco Editor 支持选择文本语言、编辑器主题等等配置，我们同样在页面上也支持这些配置项动态配置，结合阿里的NG-ZORRO框架，完整代码如下：

<div nz-row [nzGutter]="16"><div nz-col class="gutter-row" [nzSpan]="24" *ngIf="isCompared"><nz-select [(ngModel)]="selectedLang" class="lang-select ditor-config" (ngModelChange)="onChangeLanguage($event)"><nz-option *ngFor="let option of languages" [nzValue]="option" [nzLabel]="option"></nz-option></nz-select><nz-select [(ngModel)]="selectedTheme" class="lang-select ditor-config" (ngModelChange)="onChangeTheme($event)"><nz-option *ngFor="let option of themes" [nzValue]="option.value" [nzLabel]="option.name"></nz-option></nz-select><nz-switch class="ditor-config" [(ngModel)]="switchValue" [nzControl]="true" (click)="onChangeInline()" nzCheckedChildren="开启内联差异"nzUnCheckedChildren="关闭内联差异"></nz-switch><button class="ditor-config" nz-button nzType="primary" (click)="onClear()">返回</button></div><div nz-col class="gutter-row diff-editor-row" [nzSpan]="24" *ngIf="isCompared"><ngx-monaco-diff-editor style="height: 100%" [options]="options" [originalModel]="originalModel" [modifiedModel]="modifiedModel"></ngx-monaco-diff-editor></div><div nz-col class="gutter-row" [nzSpan]="24" *ngIf="!isCompared"><button class="ditor-config" nz-button nzType="primary" (click)="onCompare()">比对文本</button></div><div nz-col class="gutter-row" [nzSpan]="12" *ngIf="!isCompared"><textarea nz-input placeholder="请输入比对文本" [nzAutosize]="{ minRows: 10, maxRows: 29 }" [(ngModel)]="text1"></textarea></div><div nz-col class="gutter-row" [nzSpan]="12" *ngIf="!isCompared"><textarea nz-input placeholder="请输入比对文本" [nzAutosize]="{ minRows: 10, maxRows: 29 }" [(ngModel)]="text2"></textarea></div>
</div>

import { Component, Input, OnInit, Output } from '@angular/core';
import { DiffEditorModel } from "ngx-monaco-editor";
import { Title } from '@angular/platform-browser';@Component({selector: 'app-diff-editor',templateUrl: './diff-editor.component.html',styleUrls: ['./diff-editor.component.less']
})
export class DiffEditorComponent implements OnInit {constructor(private titleService: Title) {}text1 = "";text2 = "";selectedLang = "plaintext";selectedTheme = "vs";languages = ["bat","c","coffeescript","cpp","csharp","csp","css","dockerfile","fsharp","go","handlebars","html","ini","java","javascript","json","less","lua","markdown","msdax","mysql","objective-c","pgsql","php","plaintext","postiats","powershell","pug","python","r","razor","redis","redshift","ruby","rust","sb","scss","sol","sql","st","swift","typescript","vb","xml","yaml"];themes = [{value: "vs",name: "Visual Studio"},{value: "vs-dark",name: "Visual Studio Dark"},{value: "hc-black",name: "High Contrast Dark"}];options = {theme: "vs",language: "plaintext",readOnly: true,renderSideBySide: true};originalModel: DiffEditorModel = {code: "",language: "plaintext"};modifiedModel: DiffEditorModel = {code: "",language: "plaintext"};switchValue = false;isCompared = false;public ngOnInit() {this.titleService.setTitle('码加在线工具 - 文本比对');}onChangeLanguage(language) {this.options = Object.assign({}, this.options, {language: language});this.originalModel = Object.assign({}, this.originalModel, {language: language});this.modifiedModel = Object.assign({}, this.modifiedModel, {language: language});}onChangeTheme(theme) {this.options = Object.assign({}, this.options, { theme: theme });}onChangeInline() {this.options = Object.assign({}, this.options, {renderSideBySide: this.switchValue});this.switchValue = !this.switchValue;}onCompare() {this.originalModel = Object.assign({}, this.originalModel, {code: this.text1});this.modifiedModel = Object.assign({}, this.modifiedModel, {code: this.text2});this.isCompared = true;}onClear() {this.isCompared = false;}
}

运行结果如下：

完美运行

最后推荐一个比较干净实用的在线工具 http://tool.codeplus.vip/

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使用微软Monaco Editor 编写代码比对工具

前言

环境及组件

实现

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