gulp-css-spriter图片精灵

1.在当前目录下安装npm install gulp-css-spriter

2.gulpfile.js中

var gulp = require(‘gulp‘),
spriter = require(‘gulp-css-spriter‘);

gulp.task(‘spritercss1‘, function() {    return gulp.src(‘./css/1.css‘)        .pipe(spriter({            ‘spriteSheet‘: ‘./dist/img/spritesheet.png‘,            ‘pathToSpriteSheetFromCSS‘: ‘../img/spritesheet.png‘        }))        .pipe(gulp.dest(‘./dist/css‘));});

　　总结：路径不能乱写否则会覆盖原css，原css中的路径不对了，就不能生成图片精灵了。

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若只是合并部分图片则，

摘自http://www.qianduancun.com/npm/43.html

1.node_modules\gulp-css-spriter\lib\map-over-styles-and-transform-background-image-declarations.js

48行开始的if-else if代码块中，替换为下面代码：

// background-image always has a url 且判断url是否有?__spriter后缀
if(transformedDeclaration.property === ‘background-image‘ && /\?__spriter/i.test(transformedDeclaration.value)) {

    transformedDeclaration.value = transformedDeclaration.value.replace(‘?__spriter‘,‘‘);
    return cb(transformedDeclaration, declarationIndex, declarations);
}
// Background is a shorthand property so make sure `url()` is in there 且判断url是否有?__spriter后缀
else if(transformedDeclaration.property === ‘background‘ && /\?__spriter/i.test(transformedDeclaration.value)) {

    transformedDeclaration.value = transformedDeclaration.value.replace(‘?__spriter‘,‘‘);
    var hasImageValue = spriterUtil.backgroundURLRegex.test(transformedDeclaration.value);

    if(hasImageValue) {
        return cb(transformedDeclaration, declarationIndex, declarations);
    }
}

　原css中这样写：

区别于：

这样只有带？_spriter的图片会合并。