public void SetParam(Dictionary <string, object> paramDictionary)
{
Operates.ForEach(op =>
{
op.SetParam(paramDictionary);
});
}
public void Add(DbOperateCollection op)
{
if (_excuted)
{
throw new Exception("执行过程中不允许添加新组");
}
op.IsMain = !Operates.Any();
Operates.Add(op);
}
/// <summary>
/// 伪指令构造
/// </summary>
/// <param name="operate">操作</param>
/// <param name="argument">参数</param>
public Command(Operates operate, int argument)
{
this.Operate = operate;
this.Argument = argument;
}
//注意捕获DbOperateCollectionFailException
public List <string> Excute(bool throwException = true)
{
if (_excuted)
{
return(_messages);
}
_excuted = true;
//批量执行
for (var i = 0; i < Operates.Count; i++)
{
AddMessage("开始执行第" + (i + 1) + "个组");
var op = Operates[i];
AddMessages(op.Excute(false));
if (op.Successful)
{
SuccessfulOperates.Add(op);
}
else
{
//只要有一个没成功则批量回滚并终止
AddMessage("第" + (i + 1) + "个组执行失败," + (SuccessfulOperates.Any() ? "即将回滚" + SuccessfulOperates.Count() + "个组" : "操作已终止"));
RollBack();
if (throwException)
{
throw new DbOperateCollectionsFailException(("成功" + SuccessfulOperates.Count() + "个(共" + Operates.Count() + "个):<br/>" +
op.Message + "<hr/>详细执行过程<br/>" +
_messages.PackString("<br/>")).ToHtml(),
Operates, _messages, i
);
}
return(_messages);
}
}
_successful = true;
//处理返回值
if (Operates.Count == 1) //只有一个操作
{ //直接返回
_result = Operates[0].Result;
}
else
{ //合并json
switch (MainOperate.MainOperate.OperateType)
{
case Operate.Add:
case Operate.Update:
case Operate.Delete:
{
_result = MainOperate.Result;
}
break;
case Operate.Find:
{ //单行类
var destJson = "";
for (var k = 0; k < Operates.Count; k++)
{
var json = (string)Operates[k].Result;
if (k == 0)
{ //第一个
destJson += json.Substring(0, json.Length - 1);
}
else
{
if (k == Operates.Count - 1)
{
//最后一个 且无数据
destJson += !Operates[k].HasData
? "}"
: "," + json.Substring(1, json.Length - 1);
}
else
{
if (Operates[k].HasData)
{
destJson += "," + json.Substring(1, json.Length - 1);
}
}
}
}
_result = destJson;
}
break;
default:
{ //多行类
throw new NotImplementedException("不支持的主操作<br/>当前想要执行的主操作是:" + MainOperate.MainOperate.OperateType);
}
}
}
return(_messages);
}