Third, the project build environment
3.1. Creating a project environment and installation package
Create a django project
mkvirtualenv DjangoProject
workon DjangoProject
pip install -i https://pypi.douban.com/simple django==2.0.2
Into the front directory
the init npm # initialize a configuration file package.json
Add the packages to install in package.json file
"devDependencies": { "browser-sync": "^2.26.7", "gulp": "^4.0.2", "gulp-cache": "^1.1.2", "gulp-concat": "^2.6.1", "gulp-cssnano": "^2.1.3", "gulp-imagemin": "^6.0.0", "gulp-rename": "^1.4.0", "gulp-sync": "^0.1.4", "gulp-tinypng-nokey": "^1.1.0", "gulp-uglify": "^3.0.2", "gulp-watch": "^5.0.1" }
{ "name": "xfz_front", "version": "1.0.0", "description": "xft front code", "main": "index.js", "scripts": { "test": "echo \"Error: no test specified\" && exit 1" }, "author": "zhang_derek", "license": "ISC", "devDependencies": { "browser-sync": "^2.26.7", "gulp": "^4.0.2", "gulp-cache": "^1.1.2", "gulp-concat": "^2.6.1", "gulp-cssnano": "^2.1.3", "gulp-imagemin": "^6.0.0", "gulp-rename": "^1.4.0", "gulp-sync": "^0.1.4", "gulp-tinypng-nokey": "^1.1.0", "gulp-uglify": "^3.0.2", "gulp-watch": "^5.0.1" } }
Installation package, the package automatically identify the file needed package.json
npm install
Project Directory Structure
3.2. Writing gulpfile.js file
gulp.js
var gulp = require("gulp"); var cssnano = require("gulp-cssnano"); var rename = require("gulp-rename"); var uglify = require("gulp-uglify"); var concat = require("gulp-concat"); var tinypng_nokey = require('gulp-tinypng-nokey'); var bs = require("browser-sync").create(); //html任务 gulp.task("html",done =>{ gulp.src("./templates/**/*.html") .pipe(bs.reload({ stream: true })); done(); }); // CSS Task gulp.task ( "CSS", DONE => { gulp.src ( "./src/css/*.css" ) .pipe (cssnano ()) // compression .pipe (rename ({ "suffix ":." min "})) // suffix name .pipe (gulp.dest ( './ dist / CSS /')) // compressed storage path .pipe (bs.reload ({ Stream: to true } )); DONE (); }); // JS task gulp.task ( "JS", DONE => { gulp.src ( "./src/js/*.js" ) .pipe (uglify ({ 'toplevel ': to true , ' the compress':{ 'drop_console':true } })) .pipe(rename({"suffix":".min"})) .pipe(gulp.dest('./dist/js/')) .pipe(bs.reload({ stream: true })); done(); }); //images任务 gulp.task("images",done =>{ gulp.src("./src/images/*.*") .pipe(tinypng_nokey()) .pipe(gulp.dest('./dist/images/')) .pipe(bs.reload({ stream: true })); done(); }); listening// gulp.task('auto',function () { gulp.watch("./templates/**/*.html",gulp.series('html')); gulp.watch("./src/css/*.css",gulp.series('css')); gulp.watch("./src/js/*.js",gulp.series('js')); gulp.watch("./src/images/*.*",gulp.series('images')); }); //初始化 gulp.task("bs",function () { bs.init({ 'server':{ 'baseDir':'./', } }) }); gulp.task ( "default", gulp.parallel (create a default task//
3.3.css changed sass
Sass installation package
npm install gulp-sass --save-dev
The index.css file into index.scss
gulpfile.js modification
var sass = require("gulp-sass"); // css任务 gulp.task("css",done =>{ gulp.src("./src/css/*.scss") .pipe(sass().on("error",sass.logError)) .pipe(cssnano()) //压缩 .pipe(rename({"suffix":".min"})) //加后缀名 .pipe(gulp.dest('./dist/css/')) //压缩后存放的路径 .pipe(bs.reload({ stream: true })); done(); }); //监听 gulp.task('auto',function () { gulp.watch("./templates/**/*.html",gulp.series('html')); gulp.watch("./src/css/*.scss",gulp.series('css')); gulp.watch("./src/js/*.js",gulp.series('js')); gulp.watch("./src/images/*.*",gulp.series('images')); });
var gulp = require("gulp"); var cssnano = require("gulp-cssnano"); var rename = require("gulp-rename"); var uglify = require("gulp-uglify"); var concat = require("gulp-concat"); var tinypng_nokey = require('gulp-tinypng-nokey'); var bs = require("browser-sync").create(); var sass = require("gulp-sass"); //html任务 gulp.task("html",done =>{ gulp.src("./templates/**/*.html") .pipe(bs.reload({ stream: true })); done(); }); // css任务 gulp.task("css",done =>{ gulp.src("./src/css/*.scss") .pipe(sass().on("error",sass.logError)) .pipe(cssnano()) //压缩 .pipe(rename({"suffix":".min"})) //加后缀名 .pipe(gulp.dest('./dist/css/')) //压缩后存放的路径 .pipe(bs.reload({ stream: true })); done(); }); //js任务 gulp.task("js",done =>{ gulp.src("./src/js/*.js") .pipe(uglify({ 'toplevel':true, 'compress':{ 'drop_console':true } })) .pipe(rename({"suffix":".min"})) .pipe(gulp.dest('./dist/js/')) .pipe(bs.reload({ stream: true })); done(); }); //images任务 gulp.task("images",done =>{ gulp.src("./src/images/*.*") .pipe(tinypng_nokey()) .pipe(gulp.dest('./dist/images/')) .pipe(bs.reload({ stream: true })); done(); }); //监听 gulp.task('auto',function () { gulp.watch("./templates/**/*.html",gulp.series('html')); gulp.watch("./src/css/*.scss",gulp.series('css')); gulp.watch("./src/js/*.js",gulp.series('js')); gulp.watch("./src/images/*.*",gulp.series('images')); }); //初始化 gulp.task("bs",function () { bs.init({ 'server':{ 'baseDir':'./', } }) }); //创建一个默认任务 gulp.task("default",gulp.parallel('bs','auto'));