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我有这个结构..
客户端 <-> Web Api 前端 <-> Web Api 返回 -> 数据库
因此,当我的 Web Api 返回向我发送 Json 时,我不知道如何获得结果。
我没有显示与数据库的连接。
在 Web Api Front 上,行 var data = response.Content.ReadAsStringAsync().Result;
为我提供了具有所有正确值的 Json 数组。但我不知道如何将其发送到客户端的 ApiCall。
我必须在返回上填写什么?
[调用 Web Api 前端的服务]
public class ApiCall
{
static readonly string ApiUrl = "http://Localhost:1762/api/{0}/{1}?nomePesquisa={2}&nomeMae={3}&nomePai={4}&dtNasc={5}&nrg={6}&ncpf={7}";
//buscar os dados com os parametros digitados
public async Task<T> GetResponse<T>(string controller, string method, string nomepesquisa,
string nomemae, string nomepai, string dtnasc, string nrg, string ncpf) where T : class
{
var client = new System.Net.Http.HttpClient();
//Definide o Header de resultado para JSON, para evitar que seja retornado um HTML ou XML
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
var urllink = string.Format(ApiUrl, controller, method, nomepesquisa, nomemae, nomepai, dtnasc, nrg, ncpf);
var response = await client.GetAsync(urllink);
//Lê a string retornada
var JsonResult = response.Content.ReadAsStringAsync().Result;
if (typeof(T) == typeof(string))
return null;
//Converte o resultado Json para uma Classe utilizando as Libs do Newtonsoft.Json
var rootobject = JsonConvert.DeserializeObject<T>(JsonResult);
return rootobject;
}
}
[Web Api 前端调用 Web Api 返回]
[HttpGet]
[Route("Envolvidos")]
public IEnumerable<Envolvido> GetEnvolv(string nomePesquisa, string nomeMae, string nomePai, string dtNasc
, string nRG, string nCPF)
{
DataSet lretorno = new DataSet();
using (var client = new HttpClient())
{
client.BaseAddress = new Uri("http://Localhost:1762/");
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// Usage
HttpResponseMessage response = client.GetAsync("api/nomes/Envolvidos?nomePesquisa="+nomePesquisa+"&nomeMae="+nomeMae+"&nomePai="+nomePai+"&dtNasc="+dtNasc+"&nrg="+nRG+"&ncpf="+nCPF+"").Result;
if (response.IsSuccessStatusCode)
{
var data = response.Content.ReadAsStringAsync().Result;
//Envolvido envolvidoResult = JsonConvert.DeserializeObject<Envolvido>(data);
return data.AsEnumerable().Select(row => new Envolvido
{
});
}
else
{
Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
}
//return WHATTTTT?? ;
}
}
[WebApi 返回]
[HttpGet]
[Route("Envolvidos")]
public IEnumerable<Envolvido> GetEnvolv(string nomePesquisa, string nomeMae, string nomePai, string dtnasc
, string nRG, string nCPF)
{
DataSet lretorno = new DataSet();
string connectionString = GetConnectionString();
using (OracleConnection connection = new OracleConnection())
{
connection.ConnectionString = connectionString;
OracleDataReader reader = null;
OracleCommand cmd = new OracleCommand();
cmd.Connection = connection;
cmd = new OracleCommand("MOBILE.XAPIMANDADOMOBILE.BUSCAPOSSIVEISCANDIDATOSPF", connection);
cmd.CommandType = CommandType.StoredProcedure;
//variáveis entrada
cmd.Parameters.Add(new OracleParameter("ivnome",nomePesquisa));
cmd.Parameters.Add(new OracleParameter("ivmae", nomeMae));
cmd.Parameters.Add(new OracleParameter("ivpai", nomePai));
cmd.Parameters.Add(new OracleParameter("ivdatanasc", dtnasc));
cmd.Parameters.Add(new OracleParameter("ivrg", nRG));
cmd.Parameters.Add(new OracleParameter("icpf", nCPF));
//variáveis de saida
cmd.Parameters.Add(new OracleParameter("oretorno", OracleDbType.RefCursor)).Direction = ParameterDirection.Output;
cmd.Parameters.Add(new OracleParameter("qretorno", OracleDbType.RefCursor)).Direction = ParameterDirection.Output;
connection.Open();
cmd.ExecuteNonQuery();
reader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
//CRIO A LISTA
lretorno.Load(reader, LoadOption.OverwriteChanges, "BUSCAPOSSIVEISCANDIDATOSPF");
connection.Close();
connection.Dispose();
//CARREGO O DATASET E TRANSFORMO PARA IENUMERABLE E RETORNO SEUS VALORES PRO JSON
return lretorno.Tables[0].AsEnumerable().Select(row => new Envolvido
{
SUSPID = Convert.ToInt32(row["SUSPID"]),
IVNOME = Convert.ToString(row["SUSPNOME"]),
IVMAE = Convert.ToString(row["SUSPMAE"]),
IVPAI = Convert.ToString(row["SUSPPAI"]),
IVDATANASC = Convert.ToString(row["SUSPDATANASC"]).Replace(" 00:00:00", ""),
IVRG = Convert.ToString(row["RG"]),
ICPF = Convert.ToString(row["CPF"]),
MANDADO = Convert.ToInt16(row["TEMMANDADO"]),
OCORRENCIA = Convert.ToInt16(row["TEMOCORRENCIA"]),
});
}
}
最佳答案
Web API 后端正在返回 IEnumerable<Envolvido>
当 Web Api 前端调用 Web Api 后端时,它只需要将其反序列化为可分配给 IEnumerable<Envolvido>
的内容即可。 , 无论是列表、集合、数组...等等
//...other code removed for brevity
if (response.IsSuccessStatusCode)
{
var data = response.Content.ReadAsAsync<List<Envolvido>>().Result;
return data;
}
//...other code removed for brevity
关于c# - 如何从 Web API 接收这个 Json?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38599298/
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