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                導入工具包 ``` var gulp = require('gulp');????????????????????????????//導入工具包 require('node_modules里對應模塊') var fileinclude = require('gulp-file-include');????????//html include導入 var rev = require('gulp-rev-append');??????????????????//添加版本號 var less = require('gulp-less');???????????????????????//less轉譯css var autoprefixer = require('gulp-autoprefixer');???????//css自動添加前綴 var htmlmin = require('gulp-htmlmin');?????????????????//壓縮html var imagemin = require('gulp-imagemin');???????????????//壓縮圖片 var cssmin = require('gulp-clean-css');????????????????//壓縮css var uglify= require('gulp-uglify');????????????????????//壓縮js var gulpSequence = require('gulp-sequence');???????????//gulp任務序列加載 var concat = require('gulp-concat');???????????????????//文件合并 var cheerio = require('gulp-cheerio');?????????????????//替換頁面引用路徑 var rename= require('gulp-rename');????????????????????//替換文件名 ``` 設置路徑 ``` var PATH = { ????src:'./src/',??????????????????????????????????????//源碼 ????dev:'./dev/',??????????????????????????????????????//開發 ????build:'./dist/'????????????????????????????????????//發布 } ``` html include ``` gulp.task('htmlinclude', function() { ????return gulp.src([ PATH.src+'html/**/*.html','!'+PATH.src+'html/template/*.html']) //該任務針對的文件 ????????.pipe(fileinclude({ ????????????????prefix: '@@',//變量前綴 @@include ????????????????basepath: '@file',//引用文件路徑 ????????????????indent:true//保留文件的縮進 ????????????})) ????????.pipe(gulp.dest( PATH.dev + 'html' )); //輸出文件路徑 }); ``` html 添加版本號 ``` gulp.task('addversion', function () { ????return gulp.src( PATH.dev + 'html/*.html') //該任務針對的文件 ????????.pipe(rev()) //該任務調用的模塊 ????????.pipe(gulp.dest( PATH.dev + 'html' )); //輸出文件路徑 }); ``` less轉css ``` gulp.task('less2css', function () { ????return gulp.src([ PATH.src + 'less/*.less','!'+PATH.src+'less/common.less' ]) //該任務針對的文件 ????????.pipe(less()) //該任務調用的模塊 ????????.pipe(gulp.dest( PATH.dev + 'css')) //輸出文件路徑 }); ``` 添加css前綴 ``` gulp.task('addprefix', function () { ????return gulp.src( PATH.dev + 'css/*.css') ????????.pipe(autoprefixer({ ????????????????browsers: ['last 2 versions', 'Android >= 4.0'], ????????????????cascade: true, //是否美化屬性值 默認:true 像這樣: ????????????????//-webkit-transform: rotate(45deg); ????????????????// transform: rotate(45deg); ????????????????remove:true //是否去掉不必要的前綴 默認:true ????????????})) ????????.pipe(gulp.dest( PATH.dev + 'css')) }); ``` 復制文件 ``` gulp.task('devjs',function(){ ????gulp.src( PATH.src + 'js/*' ) ????????.pipe(gulp.dest( PATH.dev + 'js' )) ????return gulp.src( PATH.src+'img/*') ????????.pipe(gulp.dest( PATH.dev + 'img' )) }); ``` 壓縮html ``` gulp.task('htmlmin', function () { ????return gulp.src( PATH.dev + 'html/*.html') //該任務針對的文件 ????????.pipe(htmlmin({ //該任務調用的模塊 ????????????????removeComments: true,//清除HTML注釋 ????????????????collapseWhitespace: true,//壓縮HTML ????????????????collapseBooleanAttributes: true,//省略布爾屬性的值 ==> ????????????????removeEmptyAttributes: true,//刪除所有空格作屬性值 ==> ????????????????removeScriptTypeAttributes: true,//刪除的type="text/javascript" ????????????????removeStyleLinkTypeAttributes: true,//刪除和的type="text/css" ????????????????minifyJS: true,//壓縮頁面JS ????????????????minifyCSS: true//壓縮頁面CSS ????????????})) ????????.pipe(gulp.dest( PATH.build + 'html')); //輸出文件路徑 }); ``` 壓縮img ``` gulp.task('imagemin', function () { ????return gulp.src( PATH.dev + 'img/*.{png,jpg,gif,ico}') //該任務針對的文件 ????????.pipe(imagemin()) //該任務調用的模塊 ????????.pipe(gulp.dest( PATH.build + 'img')); //輸出文件路徑 }); ``` 壓縮css ``` gulp.task('cssmin', function () { ????return gulp.src( PATH.dev + 'css/*.css') ????????.pipe(cssmin()) //該任務調用的模塊 ????????.pipe(gulp.dest( PATH.build + 'css')) //輸出文件路徑 }) ``` 壓縮Js ``` gulp.task('jsmin', function () { ????return gulp.src([ PATH.dev + 'js/*.js'])//該任務針對的文件 ????????.pipe(uglify({ //該任務調用的模塊 ????????????????mangle: true, //類型:Boolean 默認:true 是否修改變量名 ????????????????compress: true //類型:Boolean 默認:true 是否完全壓縮 ????????????})) ????????.pipe(gulp.dest( PATH.build + 'js')); //輸出文件路徑 }); ``` 序列執行 ``` gulp.task('devhtml',gulpSequence('htmlinclude','addversion')); gulp.task('devcss',gulpSequence('less2css','addprefix')); gulp.task('dev',gulpSequence(['devhtml','devcss','devjs','devimg'])); gulp.task('build',gulpSequence('dev',['htmlmin','imagemin','cssmin','jsmin'])); ``` 默認任務 ``` gulp.task('default',['build']); ``` watch監聽 ``` gulp.task('watch',function(){ ????gulp.watch( PATH.src + 'less/**/*.less',['less2css']); ????gulp.watch( PATH.src + 'html/**/*.html',['htmlinclude']); ????gulp.watch( PATH.src + 'js/**/*.js',['devjs']); }) ``` 備注 ``` //gulp.task(name,[deps], fn) 定義任務 name:任務名稱 deps:依賴任務名稱 fn:回調函數 //gulp.src(globs,[options]) 執行任務處理的文件 globs:處理的文件路徑(字符串或者字符串數組) //gulp.src(['js/*.js', '!src/js/**/{test1,test2}.js'])//該任務針對的文件(以及忽略的文件)寫法 //gulp.dest(path,[options]) 處理完后文件生成路徑 ```
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