uni-app小程序退出当前小程序/app

退出当前小程序：

<navigator open-type="exit" target="miniProgram">退出程序</navigator>

小程序由app拉起，点击按钮退回app

<button open-type="launchApp" app-parameter="wechat" binderror="launchAppError">退出程序</button>