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       
(Showing Draft Content)

使用 Rollup 打包

Rollup 是 JavaScript 的模块打包工具,它将小段代码编译成更大、更复杂的东西,例如库或应用程序。SpreadJS支持在Rollup开发环境中一起使用单独的模块和插件。

使用模块和插件

包含以下步骤:

  1. 打开命令提示符窗口并键入以下命令来配置 Rollup 开发环境。

    npm install rollup --save-dev
  2. 初始化项目并创建文件夹:

    mkdir -p my-rollup-project/src
    cd my-rollup-project
  3. 创建 src/main.js 文件并添加以下代码:

    import { message } from './foo.js';
    export function greet () {	
    console.log(message);
    }
  4. 创建 src/foo.js 文件并添加以下代码:

    export let message = 'hello world!';
  5. 添加 rollup.config.js 文件并添加以下代码:

    export default {
    input: 'src/main.js',
    output: {
    file: 'bundle.js',
    format: 'iife',
    name: "Test"}
    };
  6. 创建index.html文件并添加以下代码:

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Rollup</title>
    </head>
    <body>
        <script type="text/javascript" src="./bundle.js"></script>
        <script type="text/javascript">
            window.onload = function () {
                Test.greet();
            };
        </script>
    </body>
    </html>
  7. 创建package.json文件并添加以下代码:

    {    
    "name": "my-rollup-project",    
    "version": "1.0.0",    
    "type": "module",    
    "description": "",    
    "scripts": {        
        "start": "rollup --config"    
    },   
    "keywords": [],    
    "author": "",    
    "license": "ISC",    
    "devDependencies": {        
        "@rollup/plugin-alias": "^5.0.0",        
        "@rollup/plugin-commonjs": "^25.0.2",       
        "@rollup/plugin-node-resolve": "^15.1.0",       
        "rollup": "^3.26.0"   
         }
    }   
  8. 使用命令提示符窗口,通过以下命令启动项目:

    npm install
    npm run start
  9. 在浏览器中打开index.html。

    有关如何使用 Rollup 创建项目的更多信息,请参阅 Rollup

  10. 在项目中安装 SpreadJS 模块和插件。

    使用以下命令安装 SpreadJS NPM 模块和插件:

    npm install @grapecity-software/spread-common @grapecity-software/spread-calc-engine @grapecity-software/spread-sheets-core @grapecity-software/spread-sheets-calc-engine @grapecity-software/spread-sheets-print
  11. 使用以下代码更新 src/main.js 文件:

    import * as GC from "@grapecity-software/spread-common";
    import "@grapecity-software/spread-calc-engine";
    import "@grapecity-software/spread-sheets-core";
    import "@grapecity-software/spread-sheets-calc-engine";
    import "@grapecity-software/spread-sheets-print";
    let spread = new GC.Spread.Sheets.Workbook("ss");
    let sheet = spread.getActiveSheet();
    sheet.setValue(0, 0, "Hello SpreadJS");
    spread.print();
  12. 使用以下代码更新index.html文件:

    <!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Rollup</title>
        <link rel="stylesheet" type="text/css" href="./node_modules/@grapecity-software/spread-common/styles/gc.spread.sheets.excel2016colorful.css" />
        <style>
            #app {
                width: 100%;
                height: 300px;
            }
        </style>
    </head>
    <body>
        <div id="ss"></div>
        <script type="text/javascript" src="./bundle.js"></script>
    </body>
    </html>
  13. 使用以下代码更新 rollup.config.js:

    import resolve from '@rollup/plugin-node-resolve';
    import commonjs from '@rollup/plugin-commonjs';
    import alias from '@rollup/plugin-alias';
    export default {    
        input: 'src/main.js',    
        output: {        
            file: 'bundle.js',        
            format: 'iife',        
            name: "Test"    
        },    
        plugins: [        
            resolve(),        
            commonjs(),       
            alias({            
                entries: [                
                    { find: '@grapecity-software/spread-sheets', replacement: '@grapecity-software/spread-common' 
        }           
         ]       
             })   
         ]
    };