javascript - problem with reference to image path

Question

Picture reference:

<code><img src="../assets/image/setting.png"/>
</code>

Directory Structure:

Written relative to Lu Jin, why is the picture not displayed?
Console prompt:

webpack:

<code>var path = require("path");
var webpack = require("webpack");
var HtmlWebpackPlugin = require("html-webpack-plugin");

module.exports = {
    entry: [
        "react-hot-loader/patch",
        "webpack-dev-server/client?http://0.0.0.0:3000",
        "webpack/hot/only-dev-server",
        "babel-polyfill",
        "whatwg-fetch",
        "./src/index"
    ],
    devServer: {
        hot: true,
        contentBase: path.resolve(__dirname, "dist"),
        port: 3000,
        host: "0.0.0.0",
        publicPath: "/",
        historyApiFallback: true,
        disableHostCheck: true,
        proxy: {
            "/agent": {
                target: "http://dn4:19000",
                changeOrigin: true,
            },
            "/api": {
                target: "http://dn4:19989",
                changeOrigin: true,
            },
            "/sign": {
                target: "http://dn4:19000",
                changeOrigin: true,
            },
            "/file": {
                target: "http://dn4:19000",
                changeOrigin: true,
            },
        }
    },
    output: {
        path: path.join(__dirname, "dist"),
        publicPath: "/",
        filename: "app.[hash].js"
    },
    devtool: "eval",
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                loader: "babel-loader",
                options: {
                    presets: [
                        ["es2015", {"modules": false}],
                        "stage-0",
                        "react"
                    ],
                    plugins: [
                        "transform-async-to-generator",
                        "transform-decorators-legacy",
                        ["import", {"libraryName": "antd", "style": true}]
                    ]
                }
            },
            {
                test: /\.scss|css$/,
                use: [
                    "style-loader",
                    "css-loader",
                    "postcss-loader",
                    "resolve-url-loader",
                    "sass-loader?sourceMap"
                ]
            },
            {
                test: /\.less$/,
                use: [{
                    loader: "style-loader" // creates style nodes from JS strings
                }, {
                    loader: "css-loader" // translates CSS into CommonJS
                }, {
                    loader: "less-loader", options: {
                        modifyVars: {
                            "primary-color": "#0183ff",
                            "font-size-base": "16px",
                        }
                    } // compiles Less to CSS
                }]
            },
            {
                test: /\.(jpe?g|png|gif|svg)$/i,
                use: [
                    "file-loader?hash=sha512&digest=hex&name=[hash].[ext]",
                    {
                        loader: "image-webpack-loader",
                        options: {
                            progressive: true,
                            optimizationLevel: 7,
                            interlaced: false,
                            pngquant: {
                                quality: "65-90",
                                speed: 4
                            }
                        }
                    }
                ]
            },
            {
                test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
                use: "url-loader?limit=10000&mimetype=application/font-woff"
            },
            {
                test: /\.(ttf|eot|svg)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
                use: "file-loader"
            }
        ]
    },
    plugins: [
        new webpack.NamedModulesPlugin(),
        new webpack.HotModuleReplacementPlugin(),
        new HtmlWebpackPlugin({hash: false, template: "./index.hbs"}),
        new webpack.ContextReplacementPlugin(/moment[\/\]locale$/, /nb/)
    ]
};
</code>

The reason was found:

<code>        contentBase: path.resolve(__dirname, "dist"),</code>

Lu Jin should write the path relative to dist
But now there is another problem! Pictures will definitely not be displayed in the production environment if written like this!
I don’t plan to put static resources under /dist, downstairs The following describes the method of static files. This should configure webpack. Is there any friend who can share it?

Answer 1

The problem of static resources has been solved. Solution:
Use a plug-in of webpack. When compiling in the production environment, you can copy the files in the /static directory to the /dist directory

<code>new CopyWebpackPlugin([
    {
        from: path.resolve(__dirname, 'static'),
        to: path.resolve(__dirname, 'dist/static'),
        ignore: ['*.js']
    }
])
</code>

Webpack-devserver configuration during development:

<code>contentBase: path.resolve(__dirname),
publicPath: "/",
</code>

In this way, you only need to write the absolute path /static/.. in the code

Answer 2

Where is the file where you wrote the img? "../assets/image/setting.png" is only valid if the file where you wrote the img is in the components directory.

Answer 3

If you use the webpack template of vue-cli, it will be converted into an absolute path, such as: /images/setting.png. It is recommended to put the image in the static folder.

Answer 4

The fixed paths are all placed under /static. The only place where the location remains unchanged before and after packaging