/**
* @ 初始化数据库命令
* */
protected override bool InitSQLWithCmdText()
{
if (TableName.IsNullOrEmpty())
{
throw new ArgumentException("更新目标数据库表名：tablename不能为空！");
}
string updateString = GetUpdateFields();
string whereString = GetCondition();
SQLCmdText = string.Format("UPDATE {0} SET {1} {2}", TableName, updateString, whereString);
return(SQLCmdText.IsNotNullOrEmpty());
}
/**
* @ 初始化数据库命令
* */
protected override bool InitSQLWithCmdText()
{
if (TableName.IsNullOrEmpty())
{
throw new ArgumentException("插入目标数据库表名：tablename不能为空！");
}
StringBuilder cmdText = new StringBuilder();
foreach (var item in Parameters)
{
StringBuilder insertBuilder = new StringBuilder(" INSERT");
StringBuilder valuesBuilder = new StringBuilder(" VALUES(");
insertBuilder.AppendFormat(" {0}(", TableName);
List <string> fields = item.Fields;
List <object> values = item.Values;
int len = fields.Count;
for (int i = 0; i < len; i++)
{
string field = fields[i];
insertBuilder.AppendFormat(" [{0}]", field);
DbParameter para = AddParameter(field, values[i]);
valuesBuilder.AppendFormat("{0}", para.ParameterName);
if (i + 1 < len)
{
insertBuilder.Append(",");
valuesBuilder.Append(",");
}
}
valuesBuilder.Append(")");
insertBuilder.Append(")");
cmdText.AppendLine(string.Format("{0} {1}", insertBuilder.ToString(), valuesBuilder.ToString()));
}
SQLCmdText = cmdText.ToString().ToTrimSpace();
return(SQLCmdText.IsNotNullOrEmpty());
}