Windows:抛出新的名称(mongoose.Error.MissingSchemaError)；

Question

在windows终端下Mongod运行正常，但Nodemon显示以下错误：

C:\Users\enzoc\desktop\api\node_modules\mongoose\lib\index.js:520
      throw new mongoose.Error.MissingSchemaError(name);
      ^

MissingSchemaError: Schema hasn't been registered for model "Usuario".
Use mongoose.model(name, schema)
    at Mongoose.model (C:\Users\enzoc\desktop\api\node_modules\mongoose\lib\index.js:520:13)
    at Object.<anonymous> (C:\Users\enzoc\desktop\api\controllers\UsuarioController.js:2:26)
    at Module._compile (node:internal/modules/cjs/loader:1108:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1137:10)
    at Module.load (node:internal/modules/cjs/loader:973:32)
    at Function.Module._load (node:internal/modules/cjs/loader:813:14)
    at Module.require (node:internal/modules/cjs/loader:997:19)
    at require (node:internal/modules/cjs/helpers:92:18)
    at Object.<anonymous> (C:\Users\enzoc\desktop\api\routes\api\v1\usuario.js:3:27)
    at Module._compile (node:internal/modules/cjs/loader:1108:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1137:10)
    at Module.load (node:internal/modules/cjs/loader:973:32)
    at Function.Module._load (node:internal/modules/cjs/loader:813:14)
    at Module.require (node:internal/modules/cjs/loader:997:19)
    at require (node:internal/modules/cjs/helpers:92:18)
    at Object.<anonymous> (C:\Users\enzoc\desktop\api\routes\api\v1\index.js:3:25)
[nodemon] app crashed - waiting for file changes before starting...

在这里，我将放置一些给出错误1的文件的图片：https://imgur.com/AJWDAB6

2：https://imgur.com/phyVz5I 3：https://imgur.com/EzBhb0E 4：https://imgur.com/9ogDG0p

Answer 1

您尚未为usario定义架构，或者尚未将其导入以在.model()函数中使用。你可以尝试类似这样的东西

const Usario = mongoose.model('User', new Schema({ name: String }));

有关更多示例和函数文档，请访问https://mongoosejs.com/docs/api/model.html#model_Model或https://mongoosejs.com/docs/api/schema.html#schema_Schema

Answer 2

每当我们遇到这类问题时，一定要记得检查堆栈跟踪！

> at Object.<anonymous>
> (C:\Users\enzoc\desktop\api\controllers\UsuarioController.js:2:26)

如果您检查此行，您将了解到在第2行中，Usuario模型/模式已被初始化。但是在您的系统中没有具有te受尊重名称的文件。请创建该文件。

有关更多详细信息，请查看to create a mongoose schema。

希望你的问题得到解决！