// {app_root}/config/plugin.js
exports.spark = {
  enable: true,
  package: 'egg-spark',
};

    // {app_root}/controller/admin.js
    module.exports = app => class AdminController extends app.Controller {
      async index() {
        // Call the spark.render method and pass in the path of the template to be rendered 
        this.ctx.spark.render('admin/index.nj', {
          // regList is a regular list used to split pages. According to the length of regList, the page is split into regList.length+1 
          regList: [/<!--\s*?spark:split\s*?-->/],
          // dataList：According to the page blocks segmented by regList, the data required by the corresponding rendering template is passed in. 
          // You can pass in a data object, or you can pass in a synchronous or asynchronous data method 
          dataList: [
            mergerCommonContext({}, this.ctx),
            async () => getPageData.call(this),
          ],
        });
    
        async function getPageData() {
          const { id, ...others } = this.ctx.query || {};
          const userInfo = await this.service.getUserInfo(id);
          // Your Business logic 
          const pageData = {
            userInfo,
            ...others
          };
          return mergerCommonContext({ pageData }, this.ctx);
        }
      }
    };