code: function () {
      var projectPath = path.resolve(cwd, './__publish__');
      projectPublishRoot = projectPath;
      if (!fs.existsSync(path.resolve(cwd, './__publish__'))) {
          fs.mkdirSync(path.resolve(cwd, './__publish__'));
      }
      fs.mkdirSync(projectPath + '/styles');
      fs.mkdirSync(projectPath + '/scripts');
      fs.mkdirSync(projectPath + '/statics');
  
      pageToPublish.forEach(function (subPage) {
          var dirPath = getPageDir(subPage);
          if (!fs.existsSync(dirPath)) {
              shell.mkdir('-p', dirPath);
          }
      });
  }
docs: 创建项目输出目录
  @param pageUrl