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Thick-Common
Commit d8728c2c authored by 潘栩锋's avatar 潘栩锋 🚴
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sqlitehelper 支持 borther属性

parent 8d83f1b8
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Showing with 130 additions and 41 deletions
Project.FLY.OBJComponents/OBJComponents/Common/SQLite/IgnoreAttribute.cs
View file @ d8728c2c
......@@ -10,4 +10,13 @@ namespace FLY.OBJComponents.Common
}
}
public class BortherAttribute : Attribute
{
}
public class ChildAttribute : Attribute
{
}
}
\ No newline at end of file
Project.FLY.OBJComponents/OBJComponents/Common/SQLite/SQLiteHelper.cs
View file @ d8728c2c
......@@ -130,17 +130,8 @@ namespace FLY.OBJComponents.Common.SQLite
}
}
public static string GetCreateTableCommandText(Type type, params ArrayFieldTypeInfo[] arrayFieldTypeInfos)
static string GetCreateTableCommandText_fieldText(Type type, IEnumerable<ArrayFieldTypeInfo> arrayFieldTypeInfos)
{
//CREATE TABLE table_name(
//column1 datatype PRIMARY KEY,
//column2 datatype,
// column3 datatype,
// .....
// columnN datatype,
//)
string tablename = GetTableName(type);
string fieldtext = "";
PropertyInfo[] propertyInfos = type.GetProperties();
foreach (var propertyInfo in propertyInfos)
......@@ -154,6 +145,18 @@ namespace FLY.OBJComponents.Common.SQLite
fieldtext += ",";
}
//这个属性 下面的全部属性，是同一个表
if (propertyInfo.GetCustomAttributes(typeof(BortherAttribute), false).Count() > 0)
{
//从arrayFieldTypeInfos 提取
string startswith = propertyInfo.Name + ".";
var aftis = from afti in arrayFieldTypeInfos
where afti.PropertyName.StartsWith(startswith)
select new ArrayFieldTypeInfo(afti.PropertyName.Substring(startswith.Length), afti.PropertyName.Length);
fieldtext += GetCreateTableCommandText_fieldText(propertyInfo.PropertyType, aftis);
continue;
}
if (propertyInfo.PropertyType.IsArray)//是数组，需要明确大小
{
int length = arrayFieldTypeInfos.First((a) => a.PropertyName == propertyInfo.Name).Length;
......@@ -161,7 +164,7 @@ namespace FLY.OBJComponents.Common.SQLite
Type elementType = propertyInfo.PropertyType.GetElementType();
SQLiteFieldTypeInfo fieldTypeInfo = FieldTypeInfo.Find((fti) => fti.PropertyType == elementType);
for (int i = 0; i < length; i++)
{
if (i != 0)
......@@ -184,22 +187,28 @@ namespace FLY.OBJComponents.Common.SQLite
fieldtext += " PRIMARY KEY";
}
}
return fieldtext;
}
public static string GetCreateTableCommandText(Type type, params ArrayFieldTypeInfo[] arrayFieldTypeInfos)
{
//CREATE TABLE table_name(
//column1 datatype PRIMARY KEY,
//column2 datatype,
// column3 datatype,
// .....
// columnN datatype,
//)
string tablename = GetTableName(type);
string fieldtext = GetCreateTableCommandText_fieldText(type, arrayFieldTypeInfos);
string commandText = string.Format("CREATE TABLE {0} ({1})", tablename, fieldtext);
return commandText;
}
public static string GetInsertCommandText(object cell)
{
//不用
//INSERT INTO TABLE_NAME[(column1, column2, column3,...columnN)]
//VALUES(value1, value2, value3,...valueN);
//使用
//INSERT INTO TABLE_NAME VALUES(value1, value2, value3,...valueN);
static string GetInsertCommandText_fieldText(object cell)
{
Type type = cell.GetType();
string tablename = GetTableName(type);
string fieldtext = "";
PropertyInfo[] propertyInfos = type.GetProperties();
foreach (var propertyInfo in propertyInfos)
......@@ -213,13 +222,23 @@ namespace FLY.OBJComponents.Common.SQLite
fieldtext += ",";
}
object o = propertyInfo.GetValue(cell, null);
//这个属性 下面的全部属性，是同一个表
if (propertyInfo.GetCustomAttributes(typeof(BortherAttribute), false).Count() > 0)
{
fieldtext += GetInsertCommandText_fieldText(o);
continue;
}
if (propertyInfo.PropertyType.IsArray)//是数组，需要明确大小
{
Type elementType = propertyInfo.PropertyType.GetElementType();
SQLiteFieldTypeInfo fieldTypeInfo = FieldTypeInfo.Find((fti) => fti.PropertyType == elementType);
Array a = propertyInfo.GetValue(cell, null) as Array;
Array a = o as Array;
for (int i = 0; i < a.Length; i++)
{
......@@ -233,22 +252,29 @@ namespace FLY.OBJComponents.Common.SQLite
{
SQLiteFieldTypeInfo fieldTypeInfo = FieldTypeInfo.Find((fti) => fti.PropertyType == propertyInfo.PropertyType);
object o = propertyInfo.GetValue(cell, null);
fieldtext += fieldTypeInfo.PtoS(o);
}
}
return fieldtext;
}
public static string GetInsertCommandText(object cell)
{
//不用
//INSERT INTO TABLE_NAME[(column1, column2, column3,...columnN)]
//VALUES(value1, value2, value3,...valueN);
//使用
//INSERT INTO TABLE_NAME VALUES(value1, value2, value3,...valueN);
Type type = cell.GetType();
string tablename = GetTableName(type);
string fieldtext = GetInsertCommandText_fieldText(cell);
string commandText = string.Format("INSERT INTO {0} VALUES({1})", tablename, fieldtext);
return commandText;
}
/// <summary>
/// condition 为 "WHERE ......"
/// </summary>
/// <param name="cell"></param>
/// <param name="condition"></param>
/// <returns></returns>
public static string GetUpdateCommandText(object cell, string condition)
static string GetUpdateCommandText_fieldText(object cell)
{
//UPDATE table_name
//SET column1 = value1, column2 = value2...., columnN = valueN
......@@ -270,33 +296,62 @@ namespace FLY.OBJComponents.Common.SQLite
fieldtext += ",";
}
object o = propertyInfo.GetValue(cell, null);
//这个属性 下面的全部属性，是同一个表
if (propertyInfo.GetCustomAttributes(typeof(BortherAttribute), false).Count() > 0)
{
fieldtext += GetUpdateCommandText_fieldText(o);
continue;
}
if (propertyInfo.PropertyType.IsArray)//是数组，需要明确大小
{
Type elementType = propertyInfo.PropertyType.GetElementType();
SQLiteFieldTypeInfo fieldTypeInfo = FieldTypeInfo.Find((fti) => fti.PropertyType == elementType);
Array a = propertyInfo.GetValue(cell, null) as Array;
Array a = o as Array;
for (int i = 0; i < a.Length; i++)
{
if (i != 0)
fieldtext += ",";
fieldtext += string.Format("{0}{1} = {2}", propertyInfo.PropertyType.Name, i, fieldTypeInfo.PtoS(a.GetValue(i)));
fieldtext += string.Format("{0}{1} = {2}", propertyInfo.Name, i, fieldTypeInfo.PtoS(a.GetValue(i)));
}
}
else
{
SQLiteFieldTypeInfo fieldTypeInfo = FieldTypeInfo.Find((fti) => fti.PropertyType == propertyInfo.PropertyType);
object o = propertyInfo.GetValue(cell, null);
fieldtext += string.Format("{0} = {1}", propertyInfo.PropertyType.Name, fieldTypeInfo.PtoS(o));
fieldtext += string.Format("{0} = {1}", propertyInfo.Name, fieldTypeInfo.PtoS(o));
}
}
string commandText = string.Format("UPDATE {0} SET {1} {2}", tablename, fieldtext, condition);
return fieldtext;
}
/// <summary>
/// condition 为 "WHERE ......"
/// </summary>
/// <param name="cell"></param>
/// <param name="condition"></param>
/// <returns></returns>
public static string GetUpdateCommandText(object cell, string condition)
{
//UPDATE table_name
//SET column1 = value1, column2 = value2...., columnN = valueN
//WHERE[condition];
Type type = cell.GetType();
string tablename = GetTableName(type);
string fieldtext = GetUpdateCommandText_fieldText(cell);
string commandText = $"UPDATE {tablename} SET {fieldtext}";
if (!string.IsNullOrEmpty(condition))
commandText += $" {condition}";
return commandText;
}
......@@ -312,21 +367,39 @@ namespace FLY.OBJComponents.Common.SQLite
return list;
}
public static T ToObj<T>(DataRow dataRow, params ArrayFieldTypeInfo[] arrayFieldTypeInfos)
where T : new()
static void SetObj(object t, DataRow dataRow, IEnumerable<ArrayFieldTypeInfo> arrayFieldTypeInfos)
{
Type type = typeof(T);
T t = new T();
Type type = t.GetType();
PropertyInfo[] propertyInfos = type.GetProperties();
foreach (var propertyInfo in propertyInfos)
{
//忽略
if (propertyInfo.GetCustomAttributes(typeof(IgnoreAttribute), false).Count() > 0)
continue;
Type ptype = propertyInfo.PropertyType;
//这个属性 下面的全部属性，是同一个表
if (propertyInfo.GetCustomAttributes(typeof(BortherAttribute), false).Count() > 0)
{
//从arrayFieldTypeInfos 提取
string startswith = propertyInfo.Name + ".";
var aftis = from afti in arrayFieldTypeInfos
where afti.PropertyName.StartsWith(startswith)
select new ArrayFieldTypeInfo(afti.PropertyName.Substring(startswith.Length), afti.PropertyName.Length);
object obj = propertyInfo.GetValue(t, null);
SetObj(obj, dataRow, aftis);
continue;
}
if (ptype.IsArray)//是数组，需要明确大小
{
Type elementType = propertyInfo.PropertyType.GetElementType();
SQLiteFieldTypeInfo fieldTypeInfo = FieldTypeInfo.Find((fti) => fti.PropertyType == elementType);
int length = arrayFieldTypeInfos.First((a) => a.PropertyName == propertyInfo.Name).Length;
Array array = (Array)ptype.Assembly.CreateInstance(ptype.FullName, false, BindingFlags.CreateInstance, null, new object[] { length }, null, null);
......@@ -344,6 +417,13 @@ namespace FLY.OBJComponents.Common.SQLite
propertyInfo.SetValue(t, o, null);
}
}
}
public static T ToObj<T>(DataRow dataRow, params ArrayFieldTypeInfo[] arrayFieldTypeInfos)
where T : new()
{
Type type = typeof(T);
T t = new T();
SetObj(t, dataRow, arrayFieldTypeInfos);
return t;
}
......
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