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csxiaoyaojianxian committed Feb 2, 2020
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2 changes: 1 addition & 1 deletion 11-构建工具/02-grunt/Grunt快速入门教程.md
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grunt.registerTask('default', []);
};
```
* 命令: grunt //提示成功, 但没有任何效果(还没有使用插件定义任务)
* 命令: grunt //提示成功, 但没有任何效果(还没有使用插件定义任务) 同步执行命令
* Grunt插件介绍
* grunt官网的插件列表页面 http://www.gruntjs.net/plugins
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8 changes: 4 additions & 4 deletions 11-构建工具/02-grunt/grunt_study/Gruntfile.js
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* @Author: victorsun - csxiaoyao
* @Date: 2020-02-01 17:07:04
* @LastEditors : victorsun
* @LastEditTime : 2020-02-01 20:40:52
* @LastEditTime : 2020-02-01 21:03:23
* @Description: www.csxiaoyao.com
*/
module.exports = function(grunt){
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grunt.loadNpmTasks('grunt-contrib-cssmin');
grunt.loadNpmTasks('grunt-contrib-watch');
// 3. 注册构建任务
// grunt.registerTask('default', ['concat', 'uglify', 'jshint', 'cssmin', 'watch']);
// grunt.registerTask('default', ['concat', 'uglify', 'jshint', 'cssmin', 'watch']); // 同步执行
// 优化
grunt.registerTask('default', ['concat', 'uglify', 'jshint', 'cssmin']);
grunt.registerTask('myWatch', ['default','watch']);
grunt.registerTask('default', ['concat', 'uglify', 'jshint', 'cssmin']); // 同步执行
grunt.registerTask('myWatch', ['default','watch']); // 同步执行
};
259 changes: 259 additions & 0 deletions 11-构建工具/03-gulp/gulp_study/Gulp快速入门教程.md
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# Gulp快速入门教程

* Gulp介绍

* 中文主页: http://www.gulpjs.com.cn/
* gulp是与grunt功能类似的**前端项目构建**工具, 也是基于Nodejs的自动**任务运行器**
* 能自动化地完成 javascript/coffee/sass/less/html/image/css 等文件的
合并、压缩、检查、监听文件变化、浏览器自动刷新、测试等任务
* gulp更高效(异步多任务), 更易于使用, 插件高质量

* 安装 nodejs, 查看版本: node -v

* 创建一个简单的应用gulp_test
```
|- dist
|- src
|- js
|- css
|- less
|- index.html
|- gulpfile.js-----gulp配置文件
|- package.json
{
"name": "gulp_test",
"version": "1.0.0"
}
```

* 安装gulp:
* 全局安装gulp
```
npm install gulp -g
```
* 局部安装gulp
```
npm install gulp --save-dev
```
* 配置编码: gulpfile.js
```
//引入gulp模块
var gulp = require('gulp');
//定义默认任务
gulp.task('任务名', function() {
// 将你的任务的任务代码放在这
});
gulp.task('default', ['任务'])//异步执行
```
* 构建命令:
```
gulp
```
* 使用gulp插件
* 相关插件:
* gulp-concat : 合并文件(js/css)
* gulp-uglify : 压缩js文件
* gulp-rename : 文件重命名
* gulp-less : 编译less
* gulp-clean-css : 压缩css
* gulp-livereload : 实时自动编译刷新
* 重要API
* gulp.src(filePath/pathArr) :
* 指向指定路径的所有文件, 返回文件流对象
* 用于读取文件
* gulp.dest(dirPath/pathArr)
* 指向指定的所有文件夹
* 用于向文件夹中输出文件
* gulp.task(name, [deps], fn)
* 定义一个任务
* gulp.watch()
* 监视文件的变化
* 处理js
* 创建js文件
* src/js/test1.js
```
(function () {
function add(num1, num2) {
var num3 = 0;
num1 = num2 + num3;
return num1 + num2;
}
console.log(add(10, 30));
})();
```
* src/js/test2.js
```
(function () {
var arr = [2,3,4].map(function (item, index) {
return item+1;
});
console.log(arr);
})();
```
* 下载插件:
```
npm install gulp-concat gulp-uglify gulp-rename --save-dev
```
* 配置编码
```
var concat = require('gulp-concat');
var uglify = require('gulp-uglify');
var rename = require('gulp-rename');
gulp.task('minifyjs', function() {
return gulp.src('src/js/*.js') //操作的源文件
.pipe(concat('built.js')) //合并到临时文件
.pipe(gulp.dest('dist/js')) //生成到目标文件夹
.pipe(rename({suffix: '.min'})) //重命名
.pipe(uglify()) //压缩
.pipe(gulp.dest('dist/js'));
});
gulp.task('default', ['minifyjs']);
```
* 页面引入js浏览测试 : index.html
```
<script type="text/javascript" src="dist/js/built.min.js"></script>
```
* 打包测试: gulp
* 处理css
* 创建less/css文件
* src/css/test1.css
```
#div1 {
width: 100px;
height: 100px;
background: green;
}
```
* src/css/test2.css
```
#div2 {
width: 200px;
height: 200px;
background: blue;
}
```
* src/less/test3.less
```
@base: yellow;
.index1 { color: @base; }
.index2 { color: green; }
```
* 下载插件:
```
npm install gulp-less gulp-clean-css --save-dev
```
* 配置编码
```
var less = require('gulp-less');
var cleanCSS = require('gulp-clean-css');
//less处理任务
gulp.task('lessTask', function () {
return gulp.src('src/less/*.less')
.pipe(less())
.pipe(gulp.dest('src/css'));
})
//css处理任务, 指定依赖的任务
gulp.task('cssTask',['lessTask'], function () {
return gulp.src('src/css/*.css')
.pipe(concat('built.css'))
.pipe(gulp.dest('dist/css'))
.pipe(rename({suffix: '.min'}))
.pipe(cleanCSS({compatibility: 'ie8'}))
.pipe(gulp.dest('dist/css'));
});
gulp.task('default', ['minifyjs', 'cssTask']);
```
* 页面引入css浏览测试 : index.html
```
<link rel="stylesheet" href="dist/css/built.min.css">
<div id="div1" class="index1">div1111111</div>
<div id="div2" class="index2">div2222222</div>
```
* 打包测试: gulp
* 处理html
* 下载插件:
```
npm install gulp-htmlmin --save-dev
```
* 配置编码
```
var htmlmin = require('gulp-htmlmin');
//压缩html任务
gulp.task('htmlMinify', function() {
return gulp.src('index.html')
.pipe(htmlmin({collapseWhitespace: true}))
.pipe(gulp.dest('dist'));
});
gulp.task('default', ['minifyjs', 'cssTask', 'htmlMinify']);
```
* 修改页面引入
```
<link rel="stylesheet" href="css/built.min.css">
<script type="text/javascript" src="js/built.min.js"></script>
```
* 打包测试: gulp
* 自动编译
* 下载插件
```
npm install gulp-livereload --save-dev
```
* 配置编码:
```
var livereload = require('gulp-livereload');
//所有的pipe
.pipe(livereload());
gulp.task('watch', ['default'], function () {
//开启监视
livereload.listen();
//监视指定的文件, 并指定对应的处理任务
gulp.watch('src/js/*.js', ['minifyjs'])
gulp.watch(['src/css/*.css','src/less/*.less'], ['cssTask','lessTask']);
});
```
* 热加载(实时加载)
* 下载插件:gulp-connect
```
1、 npm install gulp-connect --save-dev
2、 注册 热加载的任务 server,注意依赖build任务
3、注册热加载的任务
//配置加载的选项
connect.server({
root : 'dist/',//提供服务的根路径
livereload : true,//是否实时刷新
port : 5000//开启端口号
});
// 自动开启链接
open('http://localhost:5000');//npm install open --save-dev
// 监视目标文件
gulp.watch('src/js/*.js', ['js']);
gulp.watch(['src/css/*.css', 'src/css/*.less'], ['cssMin', 'less']);
```
* 扩展
* 打包加载gulp插件
* 前提:将插件下载好。
* 下载打包插件: gulp-load-plugins
* npm install gulp-load-plugins --save-dev
* 引入: var $ = require('gulp-load-plugins')();!!!引入的插件是个方法,必须记住调用。
* 神来之笔:其他的插件不用再引入了
* 使用方法:
```
* 所有的插件用 $ 引出,其他插件的方法名统一为插件的功能名字(即插件名字的最后一部分):如:concat,connect,cssmin...
gulp.task('lib', function() {
gulp.src('bower_components/**/*.js')
.pipe(gulp.dest(app.devPath + 'vendor'))
.pipe(gulp.dest(app.prdPath + 'vendor'))
.pipe($.connect.reload());
});
```
16 changes: 16 additions & 0 deletions 11-构建工具/03-gulp/gulp_study/dist/css/build.css
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#div1 {
width: 100px;
height: 100px;
background: greenyellow;
}
#div2 {
width: 200px;
height: 200px;
background: deeppink;
}
.index1 {
color: yellow;
}
.index2 {
color: green;
}
1 change: 1 addition & 0 deletions 11-构建工具/03-gulp/gulp_study/dist/css/build.min.css

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1 change: 1 addition & 0 deletions 11-构建工具/03-gulp/gulp_study/dist/index.html
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<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>Title</title><link rel="stylesheet" href="css/build.css"></head><body><div id="div1" class="index1">1111</div><div id="div2" class="index2">2222</div><script src="js/build.min.js"></script></body></html>
15 changes: 15 additions & 0 deletions 11-构建工具/03-gulp/gulp_study/dist/js/build.js
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(function () {
function add(num1, num2) {
var num3 = 0;
num1 = num2 + num3;
return num1 + num2;
}
console.log(add(10, 30));
})();

(function () {
var arr = [2,3,4].map(function (item, index) {
return item+1;
});
console.log(arr);
})();
1 change: 1 addition & 0 deletions 11-构建工具/03-gulp/gulp_study/dist/js/build.min.js

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