public IHttpActionResult PostWorker(Worker worker)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
db.Workers.Add(worker);
db.SaveChanges();
//补充代码，实现输入错误则弹出提示消息
//try
//{
db.SaveChanges(); //模型验证不通过Will throw validation exception
//}
//catch
// {
// ViewBag.message="输入信息有误";
// }
return CreatedAtRoute("DefaultApi", new { id = worker.Id }, worker);
}
public IHttpActionResult PutWorker(int id, Worker worker)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != worker.Id)
{
return BadRequest();
}
db.Entry(worker).State = EntityState.Modified;
try
{
db.SaveChanges();//用于将实体的改变保存到数据库
}
catch (DbUpdateConcurrencyException)
{
if (!WorkerExists(id))
{
return NotFound();
}
else
{
throw;//throw[表达式]，不带表达式的throw语句只能用在catch语句块中
}
}
return StatusCode(HttpStatusCode.NoContent);
}