private const string ServerAdderss = "https://localhost:5001"; //服务端的地址
protected void GetEmployeeById()
{
Response1 = string.Empty; //清空前台显示
var metaData = new Metadata //元数据都是一些 key-value对
{
{ "myKey", "myValue" } //随便假装一点 key-value对
};
if (int.TryParse(Request1, out var id))
{
//*****************************主要是这里********************************
using var channel = GrpcChannel.ForAddress(ServerAdderss,
new GrpcChannelOptions
{
HttpClient = _httpClient
}); //创建通道
var client = new EmployeeService.EmployeeServiceClient(channel);
try
{
var response = client.GetEmployeeById(
new GetEmployeeByIdRequest {
Id = id
} //参数一：request参数（员工Id）
, metaData); //参数二：用户自定义的元数据
Response1 = response.ToString(); //将响应信息输出前台显示
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
//*********************************************************************
return;
}
MessageBox.Show("request is unValid");
}
