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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。
包含以下步骤:
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
初始化项目并创建文件夹:
mkdir -p my-rollup-project/src
cd my-rollup-project
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);
}
创建 src/foo.js 文件并添加以下代码:
export let message = 'hello world!';
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"}
};
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>
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"
}
}
使用命令提示符窗口,通过以下命令启动项目:
npm install
npm run start
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。
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/spread-common @grapecity/spread-calc-engine @grapecity/spread-sheets-core @grapecity/spread-sheets-calc-engine @grapecity/spread-sheets-print
使用以下代码更新 src/main.js 文件:
import * as GC from "@grapecity/spread-common";
import "@grapecity/spread-calc-engine";
import "@grapecity/spread-sheets-core";
import "@grapecity/spread-sheets-calc-engine";
import "@grapecity/spread-sheets-print";
let spread = new GC.Spread.Sheets.Workbook("ss");
let sheet = spread.getActiveSheet();
sheet.setValue(0, 0, "Hello SpreadJS");
spread.print();
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/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>
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/spread-sheets', replacement: '@grapecity/spread-common'
}
]
})
]
};