From e4dc2e28f5a6490a7b8f93143388dd33918b9748 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期二, 26 十二月 2023 10:21:50 +0800
Subject: [PATCH] 解决查询、删除、插入问题
---
JiangSu/cs/ModelDAL.cs | 21 +++++++++++----------
1 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/JiangSu/cs/ModelDAL.cs b/JiangSu/cs/ModelDAL.cs
index 7ac5217..e21ad70 100644
--- a/JiangSu/cs/ModelDAL.cs
+++ b/JiangSu/cs/ModelDAL.cs
@@ -45,12 +45,10 @@
public static List<Model> SelectByPage(string name, int pageSize = 10, int pageIndex = 1)
{
- string sql = string.Format("select * from model where upper(name) like @name order by id limit {0} offset {1}", pageSize, pageSize * (pageIndex - 1));
+ bool flag = string.IsNullOrWhiteSpace(name);
+ string sql = string.Format("select * from model {0} order by id limit {1} offset {2}", flag ? "" : "where upper(name) like @name", pageSize, pageSize * (pageIndex - 1));
- SQLiteParameter param = new SQLiteParameter("@name");
- param.Value = "%" + name.ToUpper() + "%";
-
- DataTable dt = SQLiteHelper.GetDataTable(sql, param);
+ DataTable dt = flag ? SQLiteHelper.GetDataTable(sql) : SQLiteHelper.GetDataTable(sql, new SQLiteParameter("@name", "%" + name.Trim().ToUpper() + "%"));
if (null == dt || dt.Rows.Count == 0)
{
return null;
@@ -79,20 +77,23 @@
return null == list || list.Count == 0 ? null : list[0];
}
- public static int DeleteByIds(List<long> list)
+ public static int DeleteByIds(List<int> ids)
{
- string ids = string.Join(",", list.ToArray());
- string sql = string.Format("delete from model where id in ({0})", ids);
+ string str = string.Join(",", ids.ToArray());
+ string sql = string.Format("delete from model where id in ({0})", str);
return SQLiteHelper.ExecuteNonQuery(sql);
}
public static int Insert(Model model)
{
- string sql = "insert into model (name, json) values (@name, @json)";
+ string sql = "insert into model (name, json) values (@name, @json);select last_insert_rowid();";
SQLiteParameter[] sqlParams = GetParams<Model>(sql, model);
- return SQLiteHelper.ExecuteNonQuery(sql, sqlParams);
+ //return SQLiteHelper.ExecuteNonQuery(sql, sqlParams);
+
+ object obj = SQLiteHelper.ExecuteScalar(sql, sqlParams);
+ return null == obj ? 0 : Convert.ToInt32(obj);
}
public static int UpdateById(Model model)
--
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