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Updated With Sql (markdown)

AlexLEWIS
2021-09-27 13:34:22 +08:00
parent fd372a69bd
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With-Sql.md

@@ -1,8 +1,9 @@
[中文](withsql) | **English** [中文](withsql) | **English**
# WithSql 自定义SQL # Use Custom SQL Statements
Define entity class:
定义实体类
```csharp ```csharp
public class TestClass public class TestClass
{ {
@@ -23,13 +24,13 @@
} }
``` ```
不同的查询方式。 Different query results:
- 返回`DataTable` - Return to `DataTable`.
- 返回`List<Tuplue>` 即`List<(string,string)>`元组 - Return `List<Tuplue>` i.e. `List<(string,string)>` tuple.
- 返回`List<object>` 且能支持分页 - Return `List<object>` and support paging.
- 返回`List<TestClassDto>`且能支持分页 - Return `List<TestClassDto>` and support paging.
### 1.返回DataTable ### Return to DataTable with specified columns
```csharp ```csharp
DataTable dt1 = _fsql.Select<object>() DataTable dt1 = _fsql.Select<object>()
@@ -42,7 +43,7 @@ SELECT ID,Age
FROM(select * from TestClass ) a FROM(select * from TestClass ) a
``` ```
### 2.返回DataTable ### Return to DataTable with all columns
```csharp ```csharp
DataTable dt2 = _fsql.Select<object>() DataTable dt2 = _fsql.Select<object>()
@@ -54,7 +55,7 @@ SELECT *
FROM ( select * from TestClass ) a FROM ( select * from TestClass ) a
``` ```
### 3.返回`List<Tuplue>` 即`List<(string,string)>` 元组 ### Return List\<Tuple\> (i.e. List\<(string, string)\>)
```csharp ```csharp
List<(string,string)> list1 = _fsql List<(string,string)> list1 = _fsql
@@ -68,7 +69,7 @@ SELECT ID, Age
FROM(select * from TestClass ) a FROM(select * from TestClass ) a
``` ```
### 4.返回`List<object>` ### Return List\<object\>
```csharp ```csharp
var list2 = _fsql.Select<object>() var list2 = _fsql.Select<object>()
@@ -80,7 +81,7 @@ SELECT *
FROM(select * from TestClass ) a FROM(select * from TestClass ) a
``` ```
### 5.返回`List<object>` 且能支持分页 ### Return List\<object\> and support paging
```csharp ```csharp
var list3 = _fsql.Select<object>() var list3 = _fsql.Select<object>()
@@ -97,7 +98,7 @@ SELECT ID, Age
limit 0,10 limit 0,10
``` ```
### 6.返回`List<TestClassDto>`且能支持分页 ### Return List\<TestClassDto\> and support paging
```csharp ```csharp
var list4 = _fsql.Select<object>() var list4 = _fsql.Select<object>()