Swift-alertWithTitle
iOS开发Swift-alertWithTitle(title: xxx, message: xxx, placeHolders: xxx, buttons:xxx, ...)
alertWithTitle(title: "输入信息", message: "请输入您的姓名：", placeHolders: [], buttons: ["确定"], defaultButtonIndex: 0, cancelButtonIndex: 0, defaultText: "张三"); ......