当前类型是接口，无法构造.您是否缺少类型映射? [英] The current type, is an interface and cannot be constructed. Are you missing a type mapping?

问题描述

为什么不起作用?

这是我的控制器.

public class OperatorsController : BaseController
{
    private readonly IOperatorService userService;
    public OperatorsController(IOperatorService userService)
    {
        this.userService = userService;
    }

    public ActionResult Index()
    {
        return View();
    }
}

推荐答案

您应该探索

You should explore the answers to this question. You likely have forgotten to map IOperatorService to a concrete class in your Unity container.

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