摘要: 1.分组连接 格式:From elementA in dataSourceA join elementB in dataSourceB on exp1 equals exp2 into grpName 例:From book in Books join author in Authors on bo 阅读全文
posted @ 2018-03-15 14:30 Pzhenzhen 阅读(136) 评论(0) 推荐(0) 编辑