{"id":44644,"date":"2025-06-20T07:31:56","date_gmt":"2025-06-19T23:31:56","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/44644.html"},"modified":"2025-06-20T07:31:56","modified_gmt":"2025-06-19T23:31:56","slug":"webpack%e7%bb%a7%e7%bb%ad%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/44644.html","title":{"rendered":"webpack\u7ee7\u7eed\u5b66\u4e60"},"content":{"rendered":"

\u8ba4\u8bc6PostCSS\u5de5\u5177<\/h4>\n

PostCSS\u662f\u4e00\u4e2a\u901a\u8fc7JS\u6765\u8f6c\u6362\u6837\u5f0f\u7684\u5de5\u5177，\u8fd9\u4e2a\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u4e00\u4e9bCSS\u7684\u8f6c\u6362\u548c\u9002\u914d，\u6bd4\u5982\u81ea\u52a8\u6dfb\u52a0\u6d4f\u89c8\u5668\u524d\u7f00，css\u6837\u5f0f\u7684\u91cd\u7f6e<\/p>\n

\u5b9e\u73b0\u8fd9\u4e9b\u529f\u80fd\u9700\u8981\u501f\u52a9\u4e8ePostCSS\u5bf9\u5e94\u7684\u63d2\u4ef6<\/p>\n

\u81ea\u52a8\u6dfb\u52a0\u6d4f\u89c8\u5668\u524d\u7f00\u9700\u8981：<\/p>\n

npm install autoprefixer <\/p>\n

\u5355\u72ec\u7684postcss\u914d\u7f6e\u6587\u4ef6<\/h4>\n

\u6211\u4eec\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u914d\u7f6e\u4fe1\u606f\u653e\u5230\u4e00\u4e2a\u5355\u72ec\u7684\u6587\u4ef6\u4e2d\u8fdb\u884c\u7ba1\u7406<\/p>\n

\u5728\u6839\u76ee\u5f55\u4e0b\u521b\u5efapostcss.config.js<\/p>\n

module.exports = {
\n plugins:[
\n require("autoprefixer")
\n ],
\n} <\/p>\n

postcss-preset-env<\/h4>\n

\u5728\u914d\u7f6epostcss-loader\u7684\u65f6\u5019，\u6211\u4eec\u914d\u7f6e\u63d2\u4ef6\u5e76\u4e0d\u9700\u8981\u4f7f\u7528autoprefixer，\u53ef\u4ee5\u4f7f\u7528postcss-preset-env<\/p>\n

preset\u662f\u9884\u8bbe\u7684\u610f\u601d<\/p>\n

postcss-preset-env\u4e5f\u662f\u4e00\u4e2apostcss\u7684\u63d2\u4ef6<\/p>\n

\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5c06\u4e00\u4e9b\u73b0\u4ee3\u7684css\u7279\u6027\u8f6c\u6210\u5927\u591a\u6570\u6d4f\u89c8\u5668\u8ba4\u8bc6\u7684css，\u5e76\u4e14\u4f1a\u6839\u636e\u76ee\u6807\u6d4f\u89c8\u5668\u6216\u8005\u8fd0\u884c\u65f6\u73af\u5883\u6dfb\u52a0\u6240\u9700\u7684polyfill<\/p>\n

\u4f1a\u81ea\u52a8\u5e2e\u52a9\u6211\u4eec\u6dfb\u52a0autoprefixer（\u76f8\u5f53\u4e8e\u5df2\u7ecf\u5185\u7f6e\u4e86autoprefixer）<\/p>\n

\u9996\u5148\u5b89\u88c5postcss-preset-env<\/p>\n

npm install postcss-preset-env -D <\/p>\n

\u4e4b\u540e\u6211\u4eec\u4fee\u6539\u6389\u4e4b\u524d\u7684autoprefixer<\/p>\n

Webpack\u6253\u5305\u56fe\u7247-JS-Vue<\/h4>\n

css\u6d4f\u89c8\u5668\u524d\u7f00 \u5728\u73b0\u4ee3\u7684\u524d\u7aef\u5f00\u53d1\u6a21\u5f0f\u4e2d，\u4e0d\u9700\u8981\u624b\u52a8\u7684\u6dfb\u52a0\u6d4f\u89c8\u5668\u524d\u7f00<\/p>\n

\u52a0\u8f7d\u56fe\u7247\u6848\u4f8b\u51c6\u5907<\/h4>\n

npm install file-loader <\/p>\n

\u5e38\u89c1\u7684\u4f7f\u7528\u56fe\u7247\u7684\u65b9\u5f0f\u662f\u4e24\u79cd：<\/p>\n

img\u5143\u7d20，\u8bbe\u7f6esrc\u5c5e\u6027<\/p>\n

\u5176\u4ed6\u5143\u7d20，\u8bbe\u7f6ebackground-image\u7684css\u5c5e\u6027<\/p>\n

asset module type<\/h4>\n

\u5728Webpack5\u4e4b\u524d，\u52a0\u8f7d\u8fd9\u4e9b\u8d44\u6e90\u9700\u8981\u4f7f\u7528\u4e00\u4e9bloader，\u6bd4\u5982\u8bf4raw-loader\u3001ul-loader\u3001file-loader<\/p>\n

\u5728Webpack5\u5f00\u59cb，\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8d44\u6e90\u6a21\u5757\u7c7b\u578b\u6765\u66ff\u4ee3\u4e0a\u9762\u7684\u8fd9\u4e9bloader<\/p>\n

\u8d44\u6e90\u6a21\u5757\u7c7b\u578b<\/h5>\n

asset\/resource\u53d1\u9001\u4e00\u4e2a\u5355\u72ec\u7684\u6587\u4ef6\u5e76\u5bfc\u51faURL（\u4e4b\u524d\u7528file-loader\u5b9e\u73b0）<\/p>\n

asset\/inline\u5bfc\u51fa\u4e00\u4e2a\u8d44\u6e90\u7684data URL（\u4e4b\u524d\u7528url-loader\u5b9e\u73b0）<\/p>\n

asset\/source\u5bfc\u51fa\u8d44\u6e90\u7684\u6e90\u4ee3\u7801（\u4e4b\u524d\u7528raw-loader\u5b9e\u73b0）<\/p>\n

asset\u5728\u5bfc\u51fa\u4e00\u4e2adata URL\u548c\u53d1\u9001\u4e00\u4e2a\u5355\u72ec\u7684\u6587\u4ef6\u4e4b\u95f4\u81ea\u52a8\u9009\u62e9（\u4e4b\u524d\u7528url-loader\u5e76\u4e14\u914d\u7f6e\u8d44\u6e90\u4f53\u79ef\u9650\u5236\u5b9e\u73b0）<\/p>\n

const path = require('path');<\/p>\n

module.exports = {
\n \/\/ \u8bbe\u7f6e\u6253\u5305\u7684\u6a21\u5f0f
\n mode: 'development',<\/p>\n

\/\/ \u8bbe\u7f6e\u5165\u53e3\u6587\u4ef6
\n entry: '.\/src\/index.js',<\/p>\n

\/\/ \u8bbe\u7f6e\u8f93\u51fa
\n output: {
\n filename: 'bundle.js',
\n path: path.resolve(__dirname, 'dist')
\n },<\/p>\n

\/\/ \u914d\u7f6e\u6a21\u5757\u89c4\u5219
\n module: {
\n rules: [
\n {
\n test: \/\\\\.css$\/,
\n use: [
\n "style-loader",
\n "css-loader",
\n "postcss-loader"
\n ]
\n },{
\n test: \/\\\\.less$\/,
\n use:[ "style-loader","css-loader","less-loader"]
\n },
\n {
\n test:\/\\\\.(png|jpe?g|svg|gif)$\/,
\n type:"asset"
\n }
\n ]
\n }
\n}; <\/p>\n

\u66f4\u6539\u914d\u7f6e\u6587\u4ef6\u6210\u8fd9\u4e2a\u6837\u5b50，\u7136\u540e：<\/p>\n

<!DOCTYPE html>
\n<html lang="en">
\n<head>
\n <meta charset="UTF-8">
\n <meta name="viewport" content="width=device-width, initial-scale=1.0">
\n <title>Image Demo<\/title>
\n<\/head>
\n<body>
\n <script src="..\/dist\/bundle.js"><\/script>
\n<\/body>
\n<\/html>
\n\/\/ \u5bfc\u5165\u56fe\u7247
\nimport imgSrc from '.\/img\/sss.png';<\/p>\n

\/\/ \u521b\u5efaimg\u5143\u7d20
\nconst imgEl = document.createElement('img');<\/p>\n

\/\/ \u8bbe\u7f6esrc\u5c5e\u6027
\nimgEl.src = imgSrc;<\/p>\n

\/\/ \u5c06\u56fe\u7247\u6dfb\u52a0\u5230body\u4e2d
\ndocument.body.appendChild(imgEl); <\/p>\n

\u6253\u5305\u540e\u663e\u793a：<\/p>\n

\"\"<\/p>\n

\u6253\u5305\u56fe\u7247\u6709\u4e0d\u540c\u7684\u65b9\u5f0f：<\/p>\n

const path = require('path');<\/p>\n

module.exports = {
\n \/\/ \u8bbe\u7f6e\u6253\u5305\u7684\u6a21\u5f0f
\n mode: 'development',<\/p>\n

\/\/ \u8bbe\u7f6e\u5165\u53e3\u6587\u4ef6
\n entry: '.\/src\/component\/cpns.js',<\/p>\n

\/\/ \u8bbe\u7f6e\u8f93\u51fa
\n output: {
\n filename: 'bundle.js',
\n path: path.resolve(__dirname, 'dist')
\n },<\/p>\n

\/\/ \u914d\u7f6e\u6a21\u5757\u89c4\u5219
\n module: {
\n rules: [
\n {
\n test: \/\\\\.css$\/,
\n use: [
\n "style-loader",
\n "css-loader",
\n "postcss-loader"
\n ]
\n },{
\n test: \/\\\\.less$\/,
\n use:[ "style-loader","css-loader","less-loader"]
\n },
\n {
\n test:\/\\\\.(png|jpe?g|svg|gif)$\/,
\n \/\/\u6253\u5305\u4e24\u5f20\u56fe\u7247，\u5e76\u4e14\u8fd9\u4e24\u5f20\u56fe\u7247\u6709\u81ea\u5df1\u7684\u5730\u5740，\u5c06\u5730\u5740\u8bbe\u7f6e\u5230img\/bgi\u4e2d
\n type:"asset\/resource"
\n \/\/\u5c06\u56fe\u7247\u8fdb\u884cbase64\u7684\u7f16\u7801，\u5e76\u4e14\u76f4\u63a5\u7f16\u7801\u540e\u7684\u6e90\u7801\u653e\u5230\u6253\u5305\u7684js\u6587\u4ef6\u4e2d
\n \/\/type:"asset\/inline"
\n }
\n ]
\n }
\n}; <\/p>\n

\u4e0a\u9762\u90a3\u79cd\u65b9\u5f0f\u7684\u7f3a\u70b9\u5c31\u662f\u591a\u56fe\u7247\u52a0\u8f7d\u8981\u4e24\u6b21\u7f51\u7edc\u8bf7\u6c42<\/p>\n

\u4e0b\u9762\u8fd9\u79cd\u65b9\u5f0f\u4e5f\u6709\u7f3a\u70b9，\u7f3a\u70b9\u662f\u9020\u6210js\u7684\u6587\u4ef6\u975e\u5e38\u5927，\u4e0b\u8f7djs\u6587\u4ef6\u672c\u8eab\u6d88\u8017\u65f6\u95f4\u975e\u5e38\u957f，\u4e0b\u8f7d\u548c\u89e3\u6790\u7684\u6267\u884c\u65f6\u95f4\u90fd\u5f88\u957f<\/p>\n

\u6240\u4ee5\u6211\u4eec\u8981\u8fdb\u884c\u5408\u7406\u7684\u89c4\u8303<\/p>\n

\u5bf9\u4e8e\u5c0f\u4e00\u70b9\u7684\u56fe\u7247，\u53ef\u4ee5\u8fdb\u884cbase64\u7f16\u7801<\/p>\n

\u5bf9\u4e8e\u5927\u4e00\u70b9\u7684\u56fe\u7247，\u5355\u72ec\u7684\u56fe\u7247\u6253\u5305，\u5f62\u6210url\u5730\u5740，\u5355\u72ec\u7684\u8bf7\u6c42\u8fd9\u4e2aurl\u56fe\u7247<\/p>\n

\u81ea\u5b9a\u4e49\u6587\u4ef6\u8f93\u51fa\u8def\u5f84\u548c\u6587\u4ef6\u540d<\/h5>\n

\u65b9\u5f0f\u4e00：\u4fee\u6539output，\u6dfb\u52a0assetModuleFinename\u5c5e\u6027<\/p>\n

\u65b9\u5f0f\u4e8c：\u5728Rule\u4e2d，\u6dfb\u52a0\u4e00\u4e2agenerator\u5c5e\u6027，\u5e76\u4e14\u8bbe\u7f6efilename<\/p>\n

\u6709\u51e0\u4e2a\u5e38\u7528\u7684placeholder：<\/p>\n

ext（\u5904\u7406\u6587\u4ef6\u7684\u6269\u5c55\u540d）\u3001name（\u5904\u7406\u6587\u4ef6\u7684\u540d\u79f0）\u3001hash（\u6587\u4ef6\u7684\u5185\u5bb9，\u4f7f\u7528MD4\u7684\u6563\u5217\u51fd\u6570\u5904\u7406，\u751f\u6210\u7684\u4e00\u4e2a128\u4f4d\u7684hash\u503c，32\u4e2a\u5341\u516d\u8fdb\u5236）<\/p>\n

url-loader\u7684limit\u6548\u679c<\/h5>\n

\u5728\u5f00\u53d1\u4e2d\u6211\u4eec\u5f80\u5f80\u662f\u5c0f\u7684\u56fe\u7247\u9700\u8981\u8f6c\u6362，\u4f46\u662f\u5927\u7684\u56fe\u7247\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u56fe\u7247<\/p>\n

\u5c0f\u7684\u56fe\u7247\u8f6c\u6362base64\u4e4b\u540e\u53ef\u4ee5\u548c\u9875\u9762\u4e00\u8d77\u8bf7\u6c42，\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8bf7\u6c42\u8fc7\u7a0b<\/p>\n

\u5927\u7684\u56fe\u7247\u4e5f\u8fdb\u884c\u8f6c\u6362，\u53cd\u800c\u4f1a\u5f71\u54cd\u9875\u9762\u7684\u8bf7\u6c42\u901f\u5ea6<\/p>\n

\u6211\u4eec\u8981\u4e24\u4e2a\u6b65\u9aa4\u6765\u5b9e\u73b0<\/p>\n

\u4e00：\u5c06type\u4fee\u6539\u4e3aasset<\/p>\n

\u4e8c：\u6dfb\u52a0\u4e00\u4e2aparser\u5c5e\u6027，\u5236\u5b9adataUrl\u7684\u6761\u4ef6，\u6dfb\u52a0maxsize\u5c5e\u6027<\/p>\n

const path = require('path');<\/p>\n

module.exports = {
\n \/\/ \u8bbe\u7f6e\u6253\u5305\u7684\u6a21\u5f0f
\n mode: 'development',<\/p>\n

\/\/ \u8bbe\u7f6e\u5165\u53e3\u6587\u4ef6
\n entry: '.\/src\/component\/cpns.js',<\/p>\n

\/\/ \u8bbe\u7f6e\u8f93\u51fa
\n output: {
\n filename: 'bundle.js',
\n path: path.resolve(__dirname, 'dist'),
\n \/\/ assetModuleFilename: 'abc.png'
\n },<\/p>\n

\/\/ \u914d\u7f6e\u6a21\u5757\u89c4\u5219
\n module: {
\n rules: [
\n {
\n test: \/\\\\.css$\/,
\n use: [
\n "style-loader",
\n "css-loader",
\n "postcss-loader"
\n ]
\n },{
\n test: \/\\\\.less$\/,
\n use:[ "style-loader","css-loader","less-loader"]
\n },
\n {
\n test:\/\\\\.(png|jpe?g|svg|gif)$\/,
\n type: 'asset\/resource',
\n \/\/\u6253\u5305\u4e24\u5f20\u56fe\u7247，\u5e76\u4e14\u8fd9\u4e24\u5f20\u56fe,
\n \/\/\u5c06\u56fe\u7247\u8fdb\u884cbase64\u7684\u7f16\u7801，\u5e76\u4e14\u76f4\u63a5\u7f16\u7801\u540e\u7684\u6e90\u7801\u653e\u5230\u6253\u5305\u7684js\u6587\u4ef6\u4e2d
\n \/\/type:"asset\/inline"
\n parser:{
\n dataUrlCondition:{
\n maxSize: 60 * 1024
\n }
\n },
\n generator:{
\n \/\/\u4e0d\u5199\u6b7b，\u4f7f\u7528\u5360\u4f4d\u7b26
\n \/\/name:\u6307\u5411\u539f\u6765\u7684\u56fe\u7247\u540d\u79f0
\n \/\/ext：\u6269\u5c55\u540d
\n \/\/hash:webpack\u751f\u6210\u7684hash\u503c
\n filename:"img\/[name]_[hash:8][ext]"
\n }
\n }
\n ]
\n }
\n}; <\/p>\n

\u8fd9\u6837\u8fdb\u884c\u6253\u5305，\u6253\u5305\u7ed3\u675f\u4e4b\u540e\u4f1a\u5728\u524d\u9762\u751f\u6210\u4e00\u4e2aimg\u6587\u4ef6\u5939<\/p>\n

babel<\/h4>\n

\u5f00\u53d1\u4e2d\u60f3\u8981\u4f7f\u7528es6+\u7684\u8bed\u6cd5，\u60f3\u8981\u4f7f\u7528typescript，\u5f00\u53d1React\u9879\u76ee，\u90fd\u662f\u79bb\u4e0d\u5f00babel\u7684<\/p>\n

\u6240\u4ee5\u5b66\u4e60babel\u5bf9\u4e8e\u6211\u4eec\u7406\u89e3\u4ee3\u7801\u7f16\u5199\u5230\u7ebf\u4e0a\u7684\u8f6c\u53d8\u8fc7\u7a0b\u5f88\u91cd\u8981<\/p>\n

babel\u662f\u4e00\u4e2a\u5de5\u5177\u94fe，\u4e3b\u8981\u7528\u4e8e\u65e7\u6d4f\u89c8\u5668\u6216\u8005\u73af\u5883\u4e2d\u5c06ECMAScript2015+\u4ee3\u7801\u8f6c\u6362\u4e3a\u5411\u540e\u517c\u5bb9\u7248\u672c\u7684JS，\u5305\u62ec\u8bed\u6cd5\u8f6c\u6362\u548c\u6e90\u4ee3\u7801\u8f6c\u6362\u7b49<\/p>\n

babel\u547d\u4ee4\u884c\u7684\u4f7f\u7528<\/h4>\n

babel\u672c\u8eab\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7684\u5de5\u5177，\u4e0d\u548cwebpack\u7b49\u6784\u5efa\u5de5\u5177\u914d\u7f6e\u6765\u5355\u72ec\u4f7f\u7528<\/p>\n

\u5982\u679c\u6211\u4eec\u5e0c\u671b\u5728\u547d\u4ee4\u884c\u5c1d\u8bd5\u4f7f\u7528babel，\u9700\u8981\u5b89\u88c5\u4e0b\u9762\u7684\u5e93：<\/p>\n

@babel\/core：babel\u7684\u6838\u5fc3\u4ee3\u7801，\u5fc5\u987b\u5b89\u88c5<\/p>\n

@babel\/cli：\u53ef\u4ee5\u8ba9\u6211\u4eec\u5728\u547d\u4ee4\u884c\u4e2d\u4f7f\u7528babel<\/p>\n

npm install @babel\/cli @babel\/core -D <\/p>\n

\u4f7f\u7528babel\u6765\u5904\u7406\u6211\u4eec\u7684\u6e90\u4ee3\u7801<\/p>\n

src\u662f\u6e90\u6587\u4ef6\u7684\u76ee\u5f55<\/p>\n

–out-dir\u6307\u5b9a\u8981\u8f93\u51fa\u7684\u6587\u4ef6\u5939dist<\/p>\n

\u63d2\u4ef6\u7684\u4f7f\u7528<\/h4>\n

\u6211\u4eec\u9700\u8981\u8f6c\u6362\u7bad\u5934\u51fd\u6570，\u5c31\u53ef\u4ee5\u4f7f\u7528\u7bad\u5934\u51fd\u6570\u8f6c\u6362\u76f8\u5173\u7684\u63d2\u4ef6<\/p>\n

npm install @babel\/plugin-transform-arrow-functions -D
\nnpx babel src –out-dir dist –plugins=@babel\/plugin-transform-arrow-functions <\/p>\n

\u67e5\u770b\u8f6c\u6362\u540e\u7684\u7ed3\u679c\u6211\u4eec\u4f1a\u53d1\u73b0const\u6ca1\u6709\u8f6c\u6210var<\/p>\n

plugin-transform-arrow-function\u5e76\u6ca1\u6709\u63d0\u4f9b\u8fd9\u6837\u7684\u529f\u80fd<\/p>\n

\u6211\u4eec\u9700\u8981\u4f7f\u7528plugin-transform-block-scoping\u6765\u5b8c\u6210\u8fd9\u6837\u7684\u529f\u80fd<\/p>\n

npm install @babel\/plugin-transform-block-scoping -D
\nnpx babel src –out-dir –plugins=@babel\/plugin-transform-block-scoping,@babel\/plugin-transform-arrow-functions <\/p>\n

\u5f53\u8981\u8f6c\u6362\u7684\u5185\u5bb9\u8fc7\u591a\u7684\u65f6\u5019，\u4e00\u4e2a\u4e00\u4e2a\u8bbe\u7f6e\u5c31\u6bd4\u8f83\u9ebb\u70e6\u4e86，\u53ef\u4ee5\u7528\u9884\u8bbe<\/p>\n

\u5b89\u88c5@babel\/preset-env\u9884\u8bbe<\/p>\n

npm install @babel\/preset-env -D
\nmodule.exports = {
\nplugins: [
\n "babel\/plugin-transform-arrow-functions",
\n "babel\/plugin-transform-block-scoping",
\n],
\npresets:[
\n "@babel\/preset-env"
\n]
\n} <\/p>\n

\u5728\u63d0\u4f9b\u4e86preset\u4e4b\u540e，webpack\u5c31\u4f1a\u6839\u636e\u6211\u4eec\u7684\u9884\u8bbe\u6765\u52a0\u8f7d\u5bf9\u5e94\u7684\u63d2\u4ef6\u5217\u8868，\u5e76\u4e14\u5c06\u5176\u5ddd\u7b2c\u4e00\u7ed9babel<\/p>\n

\u5e38\u89c1\u7684\u9884\u8bbe\u6709：<\/p>\n

env<\/p>\n

React<\/p>\n

TypeScript<\/p>\n

\"\"\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

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