[自定义控件](cap4/custom_ctrl/%E8%87%AA%E5%AE%9A%E4%B9%89%E6%8E%A7%E4%BB%B6%E6%A6%82%E8%BF%B0.md) [自定义按钮](cap4/custom_btn/%E6%A6%82%E8%BF%B0.md) [门户空间](cap4/portal/index.md) [页面模板](cap4/page_tpl/%E9%A1%B5%E9%9D%A2%E6%A8%A1%E6%9D%BF.md) [客开通路及插件体系](cap4/custom-dev-extend-plugin.md) [vue组件库](cap4/vue-lib.md) [业务关系开发指南](cap4/%E4%B8%9A%E5%8A%A1%E5%85%B3%E7%B3%BB.md) [后端API](cap4/backend-api.md) [客开培训文档](cap4/customer_development_training.md)