public static bool GetPersonByNameAmbiguous(string name, out Person person, out string errorMessage, WMSEntities wmsEntities = null)
{
if (wmsEntities == null)
{
wmsEntities = new WMSEntities();
}
//如果输入的名字是空的，直接抛出异常。这儿不允许传入空的
if (string.IsNullOrWhiteSpace(name))
{
throw new Exception("GetPersonByNameAmbiguous()函数不允许传入空的零件名字（代号）！空格也不行！请使用string.IsNullOrWhiteSpace()自行判空");
}
//首先精确查询，如果没有，再模糊查询
person = (from p in wmsEntities.Person
where p.Name == name
select p).FirstOrDefault();
//如果搜到了，直接返回
if (person != null)
{
errorMessage = null;
return(true);
}
//如果没搜到，模糊搜索
Person[] persons = (from p in wmsEntities.Person
where p.Name.Contains(name)
select p).ToArray();
//如果模糊搜索也没搜到，提示错误
if (persons.Length == 0)
{
person = null;
errorMessage = "未找到人员：" + name;
return(false);
}
//正好一个就太好了，直接返回这一个
if (persons.Length == 1)
{
person = persons[0];
errorMessage = null;
return(true);
}
else //如果搜到了多个，那就得让用户选是哪一个了
{
Person selectedPerson =
FormChooseAmbiguousPerson.ChoosePerson(
persons,
name);
if (selectedPerson == null)
{
errorMessage = "用户取消了导入";
return(false);
}
else
{
person = selectedPerson;
errorMessage = null;
return(true);
}
}
}
public static Person ChoosePerson(Person[] persons, string srcNameAmbiguous)
{
//传入空数组直接返回空
if ((persons == null || persons.Length == 0))
{
return(null);
}
//否则新建一个选择窗口，开始选择
FormChooseAmbiguousPerson form = new FormChooseAmbiguousPerson();
form.listBox.Items.AddRange((from p in persons
select new ItemAndString()
{
Item = p,
String = p.Name
}).ToArray());
form.label1.Text = string.Format("您输入的人员\"{0}\"不明确，请选择下列零件中的一个", srcNameAmbiguous);
form.ShowDialog();
return(form.selectedItem);
}
