Use of window.showModalDialog() is deprecated. Use window.open() instead. For more help https://developer.mozilla.org/en-US/docs/Web/API/Window.open
所用的 window.showModalDialog() 已不赞成使用。请改用 window.open()。可访问 https://developer.mozilla.org/en-US/docs/Web/API/Window.open 详细了解