Model类,集中整个应用的数据和业务逻辑—— /** * Generates a user friendly attribute label based on the give attribute name. * 生成一个对用户友好的属性标签,将属性名中的下划线.破折号.点替换为空格,并且每个单词的首字母大写 * This is done by replacing underscores, dashes and dots with blanks and * changing the first…