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Update README.md
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sunkaixuan
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README.md
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README.md
@@ -16,145 +16,120 @@ SqlSugarClient db = new SqlSugarClient(new ConnectionConfig() { ConnectionString
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### 1.2 Introduction
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### 1.2 Introduction
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```c
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```c
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var getAll = db.Queryable<Student>
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var getAll = db.Queryable<Student>().ToList();
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().ToList();
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var getAllNoLock = db.Queryable<Student>().With(SqlWith.NoLock).ToList();
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var getAllNoLock = db.Queryable<Student>
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var getByPrimaryKey = db.Queryable<Student>().InSingle(2);
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().With(SqlWith.NoLock).ToList();
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var getByWhere = db.Queryable<Student>().Where(it => it.Id == 1 || it.Name == "a").ToList();
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var getByPrimaryKey = db.Queryable<Student>
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var getByFuns = db.Queryable<Student>().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList();
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().InSingle(2);
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var sum = db.Queryable<Student>().Sum(it=>it.Id);
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var getByWhere = db.Queryable<Student>
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var isAny = db.Queryable<Student>().Where(it=>it.Id==-1).Any();
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().Where(it => it.Id == 1 || it.Name == "a").ToList();
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var isAny2 = db.Queryable<Student>().Any(it => it.Id == -1);
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var getByFuns = db.Queryable<Student>
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var getListByRename = db.Queryable<School>().AS("Student").ToList();
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().Where(it => SqlFunc.IsNullOrEmpty(it.Name)).ToList();
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var group = db.Queryable<Student>().GroupBy(it => it.Id)
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var sum = db.Queryable<Student>
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.Having(it => SqlFunc.AggregateCount(it.Id) > 10)
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().Sum(it=>it.Id);
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.Select(it =>new { id = SqlFunc.AggregateCount(it.Id) }).ToList();
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var isAny = db.Queryable<Student>
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```
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().Where(it=>it.Id==-1).Any();
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var isAny2 = db.Queryable<Student>
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().Any(it => it.Id == -1);
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var getListByRename = db.Queryable<School>
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().AS("Student").ToList();
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var group = db.Queryable<Student>
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().GroupBy(it => it.Id)
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.Having(it => SqlFunc.AggregateCount(it.Id) > 10)
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.Select(it =>new { id = SqlFunc.AggregateCount(it.Id) }).ToList();
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```
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### 1.3 Page
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### 1.3 Page
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```c
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```c
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var pageIndex = 1;
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var pageIndex = 1;
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var pageSize = 2;
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var pageSize = 2;
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var totalCount = 0;
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var totalCount = 0;
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//page
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//page
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var page = db.Queryable<Student>
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var page = db.Queryable<Student>().ToPageList(pageIndex, pageSize, ref totalCount);
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().ToPageList(pageIndex, pageSize, ref totalCount);
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//page join
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//page join
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var pageJoin = db.Queryable<Student, School>
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var pageJoin = db.Queryable<Student, School>((st, sc) => new object[] {
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((st, sc) => new object[] {
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JoinType.Left,st.SchoolId==sc.Id
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JoinType.Left,st.SchoolId==sc.Id
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}).ToPageList(pageIndex, pageSize, ref totalCount);
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}).ToPageList(pageIndex, pageSize, ref totalCount);
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//top 5
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//top 5
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var top5 = db.Queryable<Student>
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var top5 = db.Queryable<Student>().Take(5).ToList();
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().Take(5).ToList();
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//skip5
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//skip5
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var skip5 = db.Queryable<Student>
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var skip5 = db.Queryable<Student>().Skip(5).ToList();
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().Skip(5).ToList();
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```
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```
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### 1.4 Join
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### 1.4 Join
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```c
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```c
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//join 2
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//join 2
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var list = db.Queryable<Student, School>
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var list = db.Queryable<Student, School>((st, sc) => new object[] {
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((st, sc) => new object[] {
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JoinType.Left,st.SchoolId==sc.Id
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JoinType.Left,st.SchoolId==sc.Id
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})
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})
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.Where(st=>st.Name=="jack").ToList();
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.Where(st=>st.Name=="jack").ToList();
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//join 3
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//join 3
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var list2 = db.Queryable<Student, School,Student>
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var list2 = db.Queryable<Student, School,Student>((st, sc,st2) => new object[] {
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((st, sc,st2) => new object[] {
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JoinType.Left,st.SchoolId==sc.Id,
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JoinType.Left,st.SchoolId==sc.Id,
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JoinType.Left,st.SchoolId==st2.Id
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JoinType.Left,st.SchoolId==st2.Id
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})
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})
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.Where((st, sc, st2)=> st2.Id==1||sc.Id==1||st.Id==1).ToList();
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.Where((st, sc, st2)=> st2.Id==1||sc.Id==1||st.Id==1).ToList();
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//join return List<ViewModelStudent>
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//join return List<ViewModelStudent>
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var list3 = db.Queryable<Student, School>
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var list3 = db.Queryable<Student, School>((st, sc) => new object[] {
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((st, sc) => new object[] {
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JoinType.Left,st.SchoolId==sc.Id
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JoinType.Left,st.SchoolId==sc.Id
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}).Select((st,sc)=>new ViewModelStudent { Name= st.Name,SchoolId=sc.Id }).ToList();
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}).Select((st,sc)=>new ViewModelStudent { Name= st.Name,SchoolId=sc.Id }).ToList();
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//join Order By (order by st.id desc,sc.id desc)
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//join Order By (order by st.id desc,sc.id desc)
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var list4 = db.Queryable<Student, School>
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var list4 = db.Queryable<Student, School>((st, sc) => new object[] {
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((st, sc) => new object[] {
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JoinType.Left,st.SchoolId==sc.Id
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JoinType.Left,st.SchoolId==sc.Id
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})
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})
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.OrderBy(st=>st.Id,OrderByType.Desc)
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.OrderBy(st=>st.Id,OrderByType.Desc)
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.OrderBy((st,sc)=>sc.Id,OrderByType.Desc)
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.OrderBy((st,sc)=>sc.Id,OrderByType.Desc)
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.Select((st, sc) => new ViewModelStudent { Name = st.Name, SchoolId = sc.Id }).ToList();
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.Select((st, sc) => new ViewModelStudent { Name = st.Name, SchoolId = sc.Id }).ToList();
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```
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```
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### 1.5 SqlFunctions
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### 1.5 SqlFunctions
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```c
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```c
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var t1 = db.Queryable<Student>
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var t1 = db.Queryable<Student>().Where(it => SqlFunc.ToLower(it.Name) == SqlFunc.ToLower("JACK")).ToList();
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().Where(it => SqlFunc.ToLower(it.Name) == SqlFunc.ToLower("JACK")).ToList();
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//SELECT [Id],[SchoolId],[Name],[CreateTime] FROM [Student] WHERE ((LOWER([Name])) = (LOWER(@MethodConst0)) )
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//SELECT [Id],[SchoolId],[Name],[CreateTime] FROM [Student] WHERE ((LOWER([Name])) = (LOWER(@MethodConst0)) )
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/***More Functions***/
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/***More Functions***/
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//SqlFunc.IsNullOrEmpty(object thisValue)
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//SqlFunc.IsNullOrEmpty(object thisValue)
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//SqlFunc.ToLower(object thisValue)
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//SqlFunc.ToLower(object thisValue)
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//SqlFunc.string ToUpper(object thisValue)
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//SqlFunc.string ToUpper(object thisValue)
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//SqlFunc.string Trim(object thisValue)
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//SqlFunc.string Trim(object thisValue)
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//SqlFunc.bool Contains(string thisValue, string parameterValue)
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//SqlFunc.bool Contains(string thisValue, string parameterValue)
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//SqlFunc.ContainsArray(object[] thisValue, string parameterValue)
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//SqlFunc.ContainsArray(object[] thisValue, string parameterValue)
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//SqlFunc.StartsWith(object thisValue, string parameterValue)
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//SqlFunc.StartsWith(object thisValue, string parameterValue)
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//SqlFunc.EndsWith(object thisValue, string parameterValue)
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//SqlFunc.EndsWith(object thisValue, string parameterValue)
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//SqlFunc.Equals(object thisValue, object parameterValue)
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//SqlFunc.Equals(object thisValue, object parameterValue)
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//SqlFunc.DateIsSame(DateTime date1, DateTime date2)
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//SqlFunc.DateIsSame(DateTime date1, DateTime date2)
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//SqlFunc.DateIsSame(DateTime date1, DateTime date2, DateType dataType)
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//SqlFunc.DateIsSame(DateTime date1, DateTime date2, DateType dataType)
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//SqlFunc.DateAdd(DateTime date, int addValue, DateType millisecond)
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//SqlFunc.DateAdd(DateTime date, int addValue, DateType millisecond)
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//SqlFunc.DateAdd(DateTime date, int addValue)
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//SqlFunc.DateAdd(DateTime date, int addValue)
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//SqlFunc.DateValue(DateTime date, DateType dataType)
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//SqlFunc.DateValue(DateTime date, DateType dataType)
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//SqlFunc.Between(object value, object start, object end)
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//SqlFunc.Between(object value, object start, object end)
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//SqlFunc.ToInt32(object value)
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//SqlFunc.ToInt32(object value)
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//SqlFunc.ToInt64(object value)
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//SqlFunc.ToInt64(object value)
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//SqlFunc.ToDate(object value)
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//SqlFunc.ToDate(object value)
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//SqlFunc.ToString(object value)
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//SqlFunc.ToString(object value)
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//SqlFunc.ToDecimal(object value)
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//SqlFunc.ToDecimal(object value)
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//SqlFunc.ToGuid(object value)
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//SqlFunc.ToGuid(object value)
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//SqlFunc.ToDouble(object value)
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//SqlFunc.ToDouble(object value)
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//SqlFunc.ToBool(object value)
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//SqlFunc.ToBool(object value)
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//SqlFunc.Substring(object value, int index, int length)
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//SqlFunc.Substring(object value, int index, int length)
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//SqlFunc.Replace(object value, string oldChar, string newChar)
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//SqlFunc.Replace(object value, string oldChar, string newChar)
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//SqlFunc.Length(object value) { throw new NotImplementedException(); }
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//SqlFunc.Length(object value) { throw new NotImplementedException(); }
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//SqlFunc.AggregateSum(object thisValue)
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//SqlFunc.AggregateSum(object thisValue)
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//SqlFunc.AggregateAvg<TResult>
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//SqlFunc.AggregateAvg<TResult>(TResult thisValue)
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(TResult thisValue)
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//SqlFunc.AggregateMin(object thisValue)
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//SqlFunc.AggregateMin(object thisValue)
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//SqlFunc.AggregateMax(object thisValue)
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//SqlFunc.AggregateMax(object thisValue)
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//SqlFunc.AggregateCount(object thisValue)
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//SqlFunc.AggregateCount(object thisValue)
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```
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```
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### 1.6 Select
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### 1.6 Select
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```c
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```c
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var s1 = db.Queryable<Student>
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var s1 = db.Queryable<Student>().Select(it => new ViewModelStudent2 { Name = it.Name, Student = it }).ToList();
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().Select(it => new ViewModelStudent2 { Name = it.Name, Student = it }).ToList();
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var s2 = db.Queryable<Student>().Select(it => new { id = it.Id, w = new { x = it } }).ToList();
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var s2 = db.Queryable<Student>
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var s3 = db.Queryable<Student>().Select(it => new { newid = it.Id }).ToList();
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().Select(it => new { id = it.Id, w = new { x = it } }).ToList();
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var s4 = db.Queryable<Student>().Select(it => new { newid = it.Id, obj = it }).ToList();
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var s3 = db.Queryable<Student>
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var s5 = db.Queryable<Student>().Select(it => new ViewModelStudent2 { Student = it, Name = it.Name }).ToList();
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().Select(it => new { newid = it.Id }).ToList();
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```
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var s4 = db.Queryable<Student>
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().Select(it => new { newid = it.Id, obj = it }).ToList();
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var s5 = db.Queryable<Student>
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().Select(it => new ViewModelStudent2 { Student = it, Name = it.Name }).ToList();
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```
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### 1.7 Join Sql
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### 1.7 Join Sql
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```c
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```c
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var join3 = db.Queryable("Student", "st")
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var join3 = db.Queryable("Student", "st")
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.AddJoinInfo("School", "sh", "sh.id=st.schoolid")
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.AddJoinInfo("School", "sh", "sh.id=st.schoolid")
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.Where("st.id>@id")
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.Where("st.id>@id")
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.AddParameters(new { id = 1 })
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.AddParameters(new { id = 1 })
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@@ -164,134 +139,124 @@ var getAll = db.Queryable<Student>
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### 1.8 ADO.NET
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### 1.8 ADO.NET
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```c
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```c
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var db = GetInstance();
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var db = GetInstance();
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var t1= db.Ado.SqlQuery<string>
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var t1= db.Ado.SqlQuery<string>("select 'a'");
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("select 'a'");
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var t2 = db.Ado.GetInt("select 1");
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var t2 = db.Ado.GetInt("select 1");
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var t3 = db.Ado.GetDataTable("select 1 as id");
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var t3 = db.Ado.GetDataTable("select 1 as id");
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//more
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//more
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//db.Ado.GetXXX...
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//db.Ado.GetXXX...
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```
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```
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### 1.9 Where
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### 1.9 Where
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```c
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var list = db.Queryable<Student, School>((st, sc) => new object[] {
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JoinType.Left,st.SchoolId==sc.Id
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})
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.Where((st,sc)=> sc.Id == 1)
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.Where((st,sc) => st.Id == 1)
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.Where((st, sc) => st.Id == 1 && sc.Id == 2).ToList();
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//SELECT [st].[Id],[st].[SchoolId],[st].[Name],[st].[CreateTime] FROM [Student] st
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//Left JOIN School sc ON ( [st].[SchoolId] = [sc].[Id] )
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//WHERE ( [sc].[Id] = @Id0 ) AND ( [st].[Id] = @Id1 ) AND (( [st].[Id] = @Id2 ) AND ( [sc].[Id] = @Id3 ))
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//Where If
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string name = null;
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string name2 = "sunkaixuan";
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var list2 = db.Queryable<Student>()
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.WhereIF(!string.IsNullOrEmpty(name), it => it.Name == name)
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.WhereIF(!string.IsNullOrEmpty(name2), it => it.Name == name2).ToList();
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```
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## 2. Insert
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```c
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```c
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var list = db.Queryable<Student, School>
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var insertObj = new Student() { Name = "jack", CreateTime = Convert.ToDateTime("2010-1-1") ,SchoolId=1};
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((st, sc) => new object[] {
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JoinType.Left,st.SchoolId==sc.Id
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})
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.Where((st,sc)=> sc.Id == 1)
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.Where((st,sc) => st.Id == 1)
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.Where((st, sc) => st.Id == 1 && sc.Id == 2).ToList();
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//SELECT [st].[Id],[st].[SchoolId],[st].[Name],[st].[CreateTime] FROM [Student] st
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//Insert reutrn Insert Count
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//Left JOIN School sc ON ( [st].[SchoolId] = [sc].[Id] )
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var t2 = db.Insertable(insertObj).ExecuteCommand();
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//WHERE ( [sc].[Id] = @Id0 ) AND ( [st].[Id] = @Id1 ) AND (( [st].[Id] = @Id2 ) AND ( [sc].[Id] = @Id3 ))
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//Where If
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//Insert reutrn Identity Value
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string name = null;
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var t3 = db.Insertable(insertObj).ExecuteReutrnIdentity();
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string name2 = "sunkaixuan";
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var list2 = db.Queryable<Student>
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()
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.WhereIF(!string.IsNullOrEmpty(name), it => it.Name == name)
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.WhereIF(!string.IsNullOrEmpty(name2), it => it.Name == name2).ToList();
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```
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## 2. Insert
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//Only insert Name
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```c
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var t4 = db.Insertable(insertObj).InsertColumns(it => new { it.Name,it.SchoolId }).ExecuteReutrnIdentity();
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var insertObj = new Student() { Name = "jack", CreateTime = Convert.ToDateTime("2010-1-1") ,SchoolId=1};
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//Insert reutrn Insert Count
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var t2 = db.Insertable(insertObj).ExecuteCommand();
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//Insert reutrn Identity Value
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var t3 = db.Insertable(insertObj).ExecuteReutrnIdentity();
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//Only insert Name
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//Ignore TestId
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var t4 = db.Insertable(insertObj).InsertColumns(it => new { it.Name,it.SchoolId }).ExecuteReutrnIdentity();
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var t5 = db.Insertable(insertObj).IgnoreColumns(it => new { it.Name, it.TestId }).ExecuteReutrnIdentity();
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//Ignore TestId
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//Ignore TestId
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var t5 = db.Insertable(insertObj).IgnoreColumns(it => new { it.Name, it.TestId }).ExecuteReutrnIdentity();
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var t6 = db.Insertable(insertObj).IgnoreColumns(it => it == "Name" || it == "TestId").ExecuteReutrnIdentity();
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//Ignore TestId
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//Use Lock
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var t6 = db.Insertable(insertObj).IgnoreColumns(it => it == "Name" || it == "TestId").ExecuteReutrnIdentity();
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var t8 = db.Insertable(insertObj).With(SqlWith.UpdLock).ExecuteCommand();
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//Use Lock
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var insertObj2 = new Student() { Name = null, CreateTime = Convert.ToDateTime("2010-1-1") };
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var t8 = db.Insertable(insertObj).With(SqlWith.UpdLock).ExecuteCommand();
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var t9 = db.Insertable(insertObj2).Where(true/* Is insert null */, true/*off identity*/).ExecuteCommand();
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//Insert List<T>
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var insertObj2 = new Student() { Name = null, CreateTime = Convert.ToDateTime("2010-1-1") };
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var insertObjs = new List<Student>();
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var t9 = db.Insertable(insertObj2).Where(true/* Is insert null */, true/*off identity*/).ExecuteCommand();
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for (int i = 0; i < 1000; i++)
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{
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//Insert List<T>
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var insertObjs = new List<Student>
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();
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for (int i = 0; i < 1000; i++)
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{
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insertObjs.Add(new Student() { Name = "name" + i });
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insertObjs.Add(new Student() { Name = "name" + i });
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}
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}
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var s9 = db.Insertable(insertObjs.ToArray()).InsertColumns(it => new { it.Name }).ExecuteCommand();
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var s9 = db.Insertable(insertObjs.ToArray()).InsertColumns(it => new { it.Name }).ExecuteCommand();
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```
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```
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## 3. Delete
|
## 3. Delete
|
||||||
|
|
||||||
```c
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```c
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||||||
var t1 = db.Deleteable<Student>
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var t1 = db.Deleteable<Student>().Where(new Student() { Id = 1 }).ExecuteCommand();
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().Where(new Student() { Id = 1 }).ExecuteCommand();
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//use lock
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//use lock
|
||||||
var t2 = db.Deleteable<Student>
|
var t2 = db.Deleteable<Student>().With(SqlWith.RowLock).ExecuteCommand();
|
||||||
().With(SqlWith.RowLock).ExecuteCommand();
|
|
||||||
|
|
||||||
|
|
||||||
//by primary key
|
//by primary key
|
||||||
var t3 = db.Deleteable<Student>
|
var t3 = db.Deleteable<Student>().In(1).ExecuteCommand();
|
||||||
().In(1).ExecuteCommand();
|
|
||||||
|
|
||||||
//by primary key array
|
//by primary key array
|
||||||
var t4 = db.Deleteable<Student>
|
var t4 = db.Deleteable<Student>().In(new int[] { 1, 2 }).ExecuteCommand();
|
||||||
().In(new int[] { 1, 2 }).ExecuteCommand();
|
|
||||||
|
|
||||||
//by expression
|
//by expression
|
||||||
var t5 = db.Deleteable<Student>
|
var t5 = db.Deleteable<Student>().Where(it => it.Id == 1).ExecuteCommand();
|
||||||
().Where(it => it.Id == 1).ExecuteCommand();
|
|
||||||
```
|
```
|
||||||
## 4. Update
|
## 4. Update
|
||||||
|
|
||||||
```c
|
```c
|
||||||
//update reutrn Update Count
|
//update reutrn Update Count
|
||||||
var t1= db.Updateable(updateObj).ExecuteCommand();
|
var t1= db.Updateable(updateObj).ExecuteCommand();
|
||||||
|
|
||||||
//Only update Name
|
//Only update Name
|
||||||
var t3 = db.Updateable(updateObj).UpdateColumns(it => new { it.Name }).ExecuteCommand();
|
var t3 = db.Updateable(updateObj).UpdateColumns(it => new { it.Name }).ExecuteCommand();
|
||||||
|
|
||||||
|
|
||||||
//Ignore Name and TestId
|
//Ignore Name and TestId
|
||||||
var t4 = db.Updateable(updateObj).IgnoreColumns(it => new { it.Name, it.TestId }).ExecuteCommand();
|
var t4 = db.Updateable(updateObj).IgnoreColumns(it => new { it.Name, it.TestId }).ExecuteCommand();
|
||||||
|
|
||||||
//Ignore Name and TestId
|
//Ignore Name and TestId
|
||||||
var t5 = db.Updateable(updateObj).IgnoreColumns(it => it == "Name" || it == "TestId").With(SqlWith.UpdLock).ExecuteCommand();
|
var t5 = db.Updateable(updateObj).IgnoreColumns(it => it == "Name" || it == "TestId").With(SqlWith.UpdLock).ExecuteCommand();
|
||||||
|
|
||||||
|
|
||||||
//Use Lock
|
//Use Lock
|
||||||
var t6 = db.Updateable(updateObj).With(SqlWith.UpdLock).ExecuteCommand();
|
var t6 = db.Updateable(updateObj).With(SqlWith.UpdLock).ExecuteCommand();
|
||||||
|
|
||||||
//update List<T>
|
//update List<T>
|
||||||
var t7 = db.Updateable(updateObjs).ExecuteCommand();
|
var t7 = db.Updateable(updateObjs).ExecuteCommand();
|
||||||
|
|
||||||
//Re Set Value
|
//Re Set Value
|
||||||
var t8 = db.Updateable(updateObj)
|
var t8 = db.Updateable(updateObj)
|
||||||
.ReSetValue(it => it.Name == (it.Name + 1)).ExecuteCommand();
|
.ReSetValue(it => it.Name == (it.Name + 1)).ExecuteCommand();
|
||||||
|
|
||||||
//Where By Expression
|
//Where By Expression
|
||||||
var t9 = db.Updateable(updateObj).Where(it => it.Id == 1).ExecuteCommand();
|
var t9 = db.Updateable(updateObj).Where(it => it.Id == 1).ExecuteCommand();
|
||||||
|
|
||||||
//Update By Expression Where By Expression
|
//Update By Expression Where By Expression
|
||||||
var t10 = db.Updateable<Student>
|
var t10 = db.Updateable<Student>()
|
||||||
()
|
|
||||||
.UpdateColumns(it => new Student() { Name="a",CreateTime=DateTime.Now })
|
.UpdateColumns(it => new Student() { Name="a",CreateTime=DateTime.Now })
|
||||||
.Where(it => it.Id == 11).ExecuteCommand();
|
.Where(it => it.Id == 11).ExecuteCommand();
|
||||||
```
|
```
|
||||||
@@ -301,33 +266,32 @@ var getAll = db.Queryable<Student>
|
|||||||
AS>Add>Attribute
|
AS>Add>Attribute
|
||||||
### 5.1 Add
|
### 5.1 Add
|
||||||
```c
|
```c
|
||||||
db.MappingTables.Add()
|
db.MappingTables.Add()
|
||||||
db.MappingColumns.Add()
|
db.MappingColumns.Add()
|
||||||
db.IgnoreColumns.Add()
|
db.IgnoreColumns.Add()
|
||||||
```
|
```
|
||||||
### 5.2 AS
|
### 5.2 AS
|
||||||
```c
|
```c
|
||||||
db.Queryable<T>
|
db.Queryable<T>().As("tableName").ToList();
|
||||||
().As("tableName").ToList();
|
|
||||||
```
|
```
|
||||||
### 5.3 Attribute
|
### 5.3 Attribute
|
||||||
```c
|
```c
|
||||||
[SugarColumn(IsIgnore=true)]
|
[SugarColumn(IsIgnore=true)]
|
||||||
public int TestId { get; set; }
|
public int TestId { get; set; }
|
||||||
```
|
```
|
||||||
|
|
||||||
## 6. Use Tran
|
## 6. Use Tran
|
||||||
```c
|
```c
|
||||||
|
|
||||||
//1. no result
|
//1. no result
|
||||||
var result = db.UseTran(() =>
|
var result = db.UseTran(() =>
|
||||||
{
|
{
|
||||||
db.Ado.ExecuteCommand("delete student");
|
db.Ado.ExecuteCommand("delete student");
|
||||||
});
|
});
|
||||||
|
|
||||||
|
|
||||||
//2 has result
|
//2 has result
|
||||||
var result2 = db.UseTran<List<Student>>(() =>
|
var result2 = db.UseTran<List<Student>>(() =>
|
||||||
{
|
{
|
||||||
return db.Queryable<Student>().ToList();
|
return db.Queryable<Student>().ToList();
|
||||||
});
|
});
|
||||||
@@ -435,3 +399,4 @@ var db = GetInstance();
|
|||||||
})
|
})
|
||||||
.CreateClassFile("c:\\Demo\\6");
|
.CreateClassFile("c:\\Demo\\6");
|
||||||
}
|
}
|
||||||
|
```
|
||||||
|
|||||||
Reference in New Issue
Block a user