Skip to content

Commit

Permalink
Modify code comment
Browse files Browse the repository at this point in the history
  • Loading branch information
@hhqing999
hhqing999 committed Nov 14, 2019
1 parent 6479dbc commit 01a1f4c
Show file tree
Hide file tree
Showing 2 changed files with 21 additions and 2 deletions.
2 changes: 1 addition & 1 deletion HKLiteDemo/DBAccess.cs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ public static bool Init()
/// </summary>
private static void DatabaseCreated()
{
dal .ExecuteTransac (
dal.ExecuteTransac(
"create index index_SysUser_001 on SysUser(UserName)",
"create index index_SysRole_001 on SysRole(RoleName)"
);
Expand Down
21 changes: 20 additions & 1 deletion HKLiteDemo/Form1.cs
View file
Original file line number Diff line number Diff line change
Expand Up @@ -13,12 +13,15 @@ namespace HKLiteDemo
{
public partial class Form1 : Form
{
// 操作模块
private IDao<SysUser> daoUser;
private IDao<SysRole> daoRole;
private IDao<SysUserRole> daoUserRole;

private List<SysUser> listSource = new List<SysUser>();
private List<SysUser> listAllUser = new List<SysUser>();

// 用户名，用于插入测试
private List<string> listName = new List<string> { "Tom", "Jack", "Lucy", "Lina", "Linda", "Jackson", "Mike", "Alice", "Robin", "Nancy" };

public Form1()
Expand All @@ -36,6 +39,7 @@ protected override void OnLoad(EventArgs e)
dataGridView1.DataSource = bindingSource1;
bindingSource1.ResetBindings(true);

// 初始化
DBAccess.Init();
daoUser = DBAccess.DAL.Dao<SysUser>();
daoRole = DBAccess.DAL.Dao<SysRole>();
Expand All @@ -51,6 +55,7 @@ protected override void OnLoad(EventArgs e)
}

#region BindDatas
// 刷新数据
private void BindUser(bool reQuery)
{
if (reQuery)
Expand Down Expand Up @@ -127,6 +132,7 @@ private void btnAdd_Click(object sender, EventArgs e)
#region Update
private void btnUpdateByKey_Click(object sender, EventArgs e)
{
// 通过主键更新
if (listSource.Count > 0)
{
var entity = listSource[0];
Expand All @@ -139,6 +145,7 @@ private void btnUpdateByKey_Click(object sender, EventArgs e)

private void btnUpdateByCondition_Click(object sender, EventArgs e)
{
// 通过其他条件更新
var updateBuilder = daoUser.UpdateBuilder();
updateBuilder.Update().Set("CName", "Jack'new name").Where().Equal("UserName", "Jack");
updateBuilder.Run();
Expand All @@ -150,6 +157,7 @@ private void btnUpdateByCondition_Click(object sender, EventArgs e)
#region Query
private void btnQueryByKey_Click(object sender, EventArgs e)
{
// 通过主键获取一个实体
int userID = 1;
if (listAllUser.Count > 0)
userID = listAllUser[0].ID;
Expand All @@ -164,6 +172,7 @@ private void btnQueryByKey_Click(object sender, EventArgs e)

private void btnQueryByCondition_Click(object sender, EventArgs e)
{
// 通过其他条件查询并排序
var queryBuilder = daoUser.QueryBuilder();
queryBuilder.Select().Where().Equal("UserName", "Jack").OrderByDesc("UserName");
var listUser = queryBuilder.Query();
Expand All @@ -173,6 +182,7 @@ private void btnQueryByCondition_Click(object sender, EventArgs e)

private void btnQueryTop_Click(object sender, EventArgs e)
{
// 获取前2条记录
var queryBuilder = daoUser.QueryBuilder();
queryBuilder.Select(2).Where().Like("CName", "J");
var listUser = queryBuilder.Query();
Expand All @@ -182,6 +192,7 @@ private void btnQueryTop_Click(object sender, EventArgs e)

private void btnQueryColumns_Click(object sender, EventArgs e)
{
// 查询指定列
var queryBuilder = daoUser.QueryBuilder();
queryBuilder.Select("ID","UserName","Email").Where().Like("CName", "J");
var listUser = queryBuilder.Query();
Expand All @@ -191,6 +202,7 @@ private void btnQueryColumns_Click(object sender, EventArgs e)

private void btnQueryCustomerCondition_Click(object sender, EventArgs e)
{
// 通过自定义条件查询
var queryBuilder = daoUser.QueryBuilder();
queryBuilder.Select().Where().Custom("where UserName <> 'Tom'");
var listUser = queryBuilder.Query();
Expand All @@ -200,10 +212,11 @@ private void btnQueryCustomerCondition_Click(object sender, EventArgs e)

private void btnQuerySql_Click(object sender, EventArgs e)
{
// 先创建数据，以便有数据可查
CreateRoles();
CreateUserRoles();

// 查询所有角色为"administrators"的用户
// 查询所有角色为"administrators"的用户，该查询中只要返回结果的列名与实体类SysUser属性名匹配，即可将数据放在泛型集合List中
var queryBuilder = daoUser.QueryBuilder();
queryBuilder.CustomSqlCommand =
@"select A.* from SysUser A join SysUserRole B on A.ID=B.UserID
Expand All @@ -218,6 +231,7 @@ private void btnQuerySql_Click(object sender, EventArgs e)
#region Delete
private void btnDeleteByKey_Click(object sender, EventArgs e)
{
// 通过主键删除
if (listSource.Count > 0)
{
daoUser.DeleteByKey(listSource[0].ID);
Expand All @@ -228,6 +242,7 @@ private void btnDeleteByKey_Click(object sender, EventArgs e)

private void btnDelete_Click(object sender, EventArgs e)
{
// 通过其他条件删除
if (listSource.Count > 0)
{
var deleteBuilder = daoUser.DeleteBuilder();
Expand All @@ -240,6 +255,7 @@ private void btnDelete_Click(object sender, EventArgs e)

private void btnDeleteAll_Click(object sender, EventArgs e)
{
// 删除所有数据
daoUser.DeleteAll();
daoRole.DeleteAll();
daoUserRole.DeleteAll();
Expand All @@ -251,6 +267,7 @@ private void btnDeleteAll_Click(object sender, EventArgs e)
#region Transtion
private void btnTrans1_Click(object sender, EventArgs e)
{
// 事务操作1
var trans = DBAccess.DAL.TransacBuilder();
var insertBuilder = trans.InsertBuilder<SysUser>();
var updateBuilder = trans.UpdateBuilder<SysUser>();
Expand All @@ -271,6 +288,7 @@ private void btnTrans1_Click(object sender, EventArgs e)

private void btnTrans2_Click(object sender, EventArgs e)
{
// 事务操作2
var trans = DBAccess.DAL.GetTransaction();
try
{
Expand All @@ -289,6 +307,7 @@ private void btnTrans2_Click(object sender, EventArgs e)

private void btnTrans3_Click(object sender, EventArgs e)
{
// 事务操作3
DBAccess.DAL.ExecuteTransac(
"update SysUser set CName='Jackson''s new name' where UserName='Jackson'",
"update SysUser set CName='Mike''s new name' where UserName='Mike'"
Expand Down

0 comments on commit 01a1f4c

Please sign in to comment.