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2881099
2023-03-25 00:27:57 +08:00
parent fced1fce5a
commit f184caa767
1 changed files with 12 additions and 25 deletions
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添加或修改.md

@@ -101,31 +101,18 @@ DROP TABLE #temp_user1
## 5、BeginEdit 批量编辑 ## 5、BeginEdit 批量编辑
```csharp ```csharp
[Fact] var list = fsql.Select<T>().Where(...).ToList();
public void BeginEdit()
{
fsql.Delete<BeginEdit01>().Where("1=1").ExecuteAffrows();
var repo = fsql.GetRepository<BeginEdit01>();
var cts = new[] {
new BeginEdit01 { Name = "分类1" },
new BeginEdit01 { Name = "分类1_1" },
new BeginEdit01 { Name = "分类1_2" },
new BeginEdit01 { Name = "分类1_3" },
new BeginEdit01 { Name = "分类2" },
new BeginEdit01 { Name = "分类2_1" },
new BeginEdit01 { Name = "分类2_2" }
}.ToList();
repo.Insert(cts);
repo.BeginEdit(cts); //开始对 cts 进行编辑 var repo = fsql.GetRepository<T>();
repo.BeginEdit(list); //开始对 list 进行编辑
cts.Add(new BeginEdit01 { Name = "分类2_3" }); list.Add(new T { Name = "分类2_3" });
cts[0].Name = "123123"; list[0].Name = "123123";
cts.RemoveAt(1); list.RemoveAt(1);
Assert.Equal(3, repo.EndEdit()); //重载方法新旧对比 repo.EndEdit(newlist) repo.EndEdit(); //重载方法新旧对比 repo.EndEdit(newlist)
} }
class BeginEdit01 class T
{ {
public Guid Id { get; set; } public Guid Id { get; set; }
public string Name { get; set; } public string Name { get; set; }
@@ -135,19 +122,19 @@ class BeginEdit01
上面的代码 EndEdit 方法执行的时候产生 3 条 SQL 如下： 上面的代码 EndEdit 方法执行的时候产生 3 条 SQL 如下：
```sql ```sql
INSERT INTO "BeginEdit01"("Id", "Name") VALUES('5f26bf07-6ac3-cbe8-00da-7dd74818c3a6', '分类2_3') INSERT INTO "T"("Id", "Name") VALUES('5f26bf07-6ac3-cbe8-00da-7dd74818c3a6', '分类2_3')
UPDATE "BeginEdit01" SET "Name" = '123123' UPDATE "T" SET "Name" = '123123'
WHERE ("Id" = '5f26bf00-6ac3-cbe8-00da-7dd01be76e26') WHERE ("Id" = '5f26bf00-6ac3-cbe8-00da-7dd01be76e26')
DELETE FROM "BeginEdit01" WHERE ("Id" = '5f26bf00-6ac3-cbe8-00da-7dd11bcf54dc') DELETE FROM "T" WHERE ("Id" = '5f26bf00-6ac3-cbe8-00da-7dd11bcf54dc')
``` ```
场景：winform 加载表数据后，一顿添加、修改、删除操作之后，点击【保存】 场景：winform 加载表数据后，一顿添加、修改、删除操作之后，点击【保存】
提醒：该操作只对变量 cts 有效，不是针对全表对比更新。 提醒：该操作只对变量 list 有效，不是针对全表对比更新。
## 6、MySql 特有功能 On Duplicate Key Update ## 6、MySql 特有功能 On Duplicate Key Update