Grunt压缩文件

npm install grunt-contrib-uglify、grunt-contrib-jshint、grunt-contrib-concat

{
  "name": "xcwJs",
  "version": "0.1.0",
  "description": "xcwJs",
  "devDependencies": {
    "grunt": "~0.4.1",
    "grunt-contrib-jshint": "~0.6.3",
    "grunt-contrib-uglify": "~0.2.1",
    "grunt-contrib-requirejs": "~0.4.1",
    "grunt-contrib-concat": "~0.1.1",
    "grunt-contrib-copy": "~0.4.1",
    "grunt-contrib-clean": "~0.5.0",
    "grunt-strip": "~0.2.1"
  },
  "dependencies": {
    "express": "3.x"
  }
}

module.exports = function (grunt) {
  // ÏîÄ¿ÅäÖÃ
  grunt.initConfig({
    pkg: grunt.file.readJSON(‘package.json‘),
    concat: {
      options: {
        separator: ‘;‘
      },
      dist: {
        //要合并的文件
        src: [‘src/addfavor.js‘, ‘src/arrayHelp.js‘, ‘src/common.js‘,‘src/convertor.js‘,‘src/slider.js‘,‘src/star.js‘,‘src/vTicker.js‘],
        dest: ‘dest/xcw.js‘//将文件合并到dest下
      }
    },
    uglify : {
            options : {
                //压缩文件的头部说明
                banner : ‘/*! <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> */\n‘
            },
            build : {
                src : ‘dest/xcw.js‘,
                dest : ‘dest/xcw.min.js‘
            }
        }
  });
  // 载入concat和uglify插件，分别对于合并和压缩
    grunt.loadNpmTasks(‘grunt-contrib-concat‘);
    grunt.loadNpmTasks(‘grunt-contrib-uglify‘);
    // 注册任务
    grunt.registerTask(‘default‘, [‘concat‘, ‘uglify‘]);
}