Home Web Front-end HTML Tutorial 雪碧图工具css-sprite指南_html/css_WEB-ITnose

雪碧图工具css-sprite指南_html/css_WEB-ITnose

Jun 21, 2016 am 09:11 AM

可能是最好用的雪碧图工具了,好吧,至少是我用过最好用的。

首先安装css-sprite,安装这里很坑,等我最后再说。

npm install css-sprite
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我是使用gulp来构建前端代码,所以还需要安装gulp和gulp-if,安装好之后就可以开始配置啦。
新建一个task:

var gulp = require('gulp');var gulpif = require('gulp-if');gulp.task('sprites',function(){    gulp.src('img/icon/*.png')                  //这是要合并的图片的路径        .pipe(sprite({            name: 'icon',                       //定义一个名称            style: '_icon.scss',                //这是生成的样式文件            format: 'png',                      //png格式的图片            orientation: 'left-right',          //雪碧图合并的方向,也可以设置成垂直或水平            cssPath: '#{$icon-sprite-path}',    //雪碧图的路径变量            template: './sprite-tpl.mustache',  //scss生成的模板            processor: 'scss'                   //生成的样式文件的格式        }))        .pipe(gulpif('*.png', gulp.dest('img/'), gulp.dest('css/')));});
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scss的模板使用mustache:

{{#items}}    ${{name}}: {{px.offset_x}} {{px.offset_y}} {{px.width}} {{px.height}};{{/items}}@mixin sprite-width($sprite) {width: nth($sprite, 3);}@mixin sprite-height($sprite) {height: nth($sprite, 4);}@mixin sprite-position($sprite) {$sprite-offset-x: nth($sprite, 1);$sprite-offset-y: nth($sprite, 2);background-position: $sprite-offset-x  $sprite-offset-y;}@mixin sprite($sprite) {@include sprite-position($sprite);@include sprite-width($sprite);@include sprite-height($sprite);}{{#sprite}}    {{class}} {    background-repeat: no-repeat;    overflow: hidden;    border: none;    background: url('{{{escaped_image}}}?v=#{$version}');    @include inline-block();    vertical-align: middle;    font-style: normal;    color:$icon-font-color;    }{{/sprite}}{{#items}}    .{{name}}{    @include sprite(${{name}});    }{{/items}}
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搞定!就是那么简单。

现在只需要把图片丢到icon文件夹里面,运行下gulp sprites,就可以生成一张雪碧图icon.png和相对应的scss样式文件_icon.scss了,也可以再新建一个监听的任务,监听icon文件夹,这样就可以实时生成了。

我把_icon.scss贴出来:

$icon-qq: -262px -161px 60px 60px;$icon-email: -332px -161px 60px 60px;$icon-skype: -5px -252px 60px 60px;$icon-phone: -75px -252px 60px 60px;@mixin sprite-width($sprite) {width: nth($sprite, 3);}@mixin sprite-height($sprite) {height: nth($sprite, 4);}@mixin sprite-position($sprite) {$sprite-offset-x: nth($sprite, 1);$sprite-offset-y: nth($sprite, 2);background-position: $sprite-offset-x  $sprite-offset-y;}@mixin sprite($sprite) {@include sprite-position($sprite);@include sprite-width($sprite);@include sprite-height($sprite);}.icon {    background-repeat: no-repeat;    overflow: hidden;    border: none;    background: url('#{$icon-sprite-path}/icon.png?v=#{$version}');    @include inline-block();    vertical-align: middle;    font-style: normal;    color:$icon-font-color;}.icon-qq{    @include sprite($icon-qq);}.icon-email{    @include sprite($icon-email);}.icon-skype{    @include sprite($icon-skype);}.icon-phone{    @include sprite($icon-phone);}
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使用的时候只需要加上类似class="icon icon-qq",就可以了。

css-sprite的地址
现在作者已经没有更新css-sprite了,现在叫sprity,配置差不多,sprity多了一些功能,有时间再介绍。

现在说下开头说的那个坑,就是安装的问题,微软的环境很难安装成功,因为依赖lwip,需要node-gyp重新编译,我自己的电脑安装好了,但是有些同事的电脑怎么配置都安装不成功。mac下还没有尝试,估计应该没什么问题,windows的环境比较操蛋。

如果你们也遇到安装的问题,能够解决的话,麻烦告知下啦。:)

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