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Update README.md

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sunkaixuan 2017-05-23 07:45:17 +08:00 committed by GitHub
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@ -17,7 +17,7 @@
var getByFuns = db.Queryable<Student>().Where(it => NBORM.IsNullOrEmpty(it.Name)).ToList();
```
###1.3 Page
### 1.3 Page
```c
var pageIndex = 1;
var pageSize = 2;
@ -36,3 +36,30 @@ var top5 = db.Queryable<Student>().Take(5).ToList();
//skip5
var skip5 = db.Queryable<Student>().Skip(5).ToList();
```
### 1.4 Join
```c
//join 2
var list = db.Queryable<Student, School>((st, sc) => new object[] {
JoinType.Left,st.SchoolId==sc.Id
}).ToList();
//join 3
var list2 = db.Queryable<Student, School,Student>((st, sc,st2) => new object[] {
JoinType.Left,st.SchoolId==sc.Id,
JoinType.Left,st.SchoolId==st2.Id
}).ToList();
//join return List<ViewModelStudent>
var list3 = db.Queryable<Student, School>((st, sc) => new object[] {
JoinType.Left,st.SchoolId==sc.Id
}).Select<Student,School,ViewModelStudent>((st,sc)=>new ViewModelStudent { Name= st.Name,SchoolId=sc.Id }).ToList();
//join Order By (order by st.id desc,sc.id desc)
var list4 = db.Queryable<Student, School>((st, sc) => new object[] {
JoinType.Left,st.SchoolId==sc.Id
})
.OrderBy(st=>st.Id,OrderByType.Desc)
.OrderBy<School>(sc=>sc.Id,OrderByType.Desc)
.Select<Student, School, ViewModelStudent>((st, sc) => new ViewModelStudent { Name = st.Name, SchoolId = sc.Id }).ToList();
```