feat: add backend server

server/model/user.js

@@ -0,0 +1,47 @@
+import mongoose from 'mongoose'
+import bcrypt from 'bcrypt'
+
+const UserSchema = new mongoose.Schema(
+    {
+        username: {
+            type: String,
+            required: true,
+            unique: true,
+            index: true,
+        },
+        nickname: {
+            type: String,
+        },
+        password: {
+            type: String,
+            required: true,
+        },
+        role: {
+            type: String,
+            enum: ['admin', 'user'],
+            default: 'user',
+        },
+    },
+    { timestamps: true }
+)
+
+// 保存前自动对密码进行哈希加密
+UserSchema.pre('save', async function () {
+    this.password = await bcrypt.hash(this.password, 10)
+})
+
+// 实例方法：校验密码
+UserSchema.methods.comparePassword = async function (candidatePassword) {
+    return bcrypt.compare(candidatePassword, this.password)
+}
+
+// 输出时始终不返回密码
+UserSchema.methods.toJSON = function () {
+    const obj = this.toObject()
+    delete obj.password
+    return obj
+}
+
+const User = mongoose.model('User', UserSchema)
+
+export default User