增加登录验证逻辑

src/mock/user/login.js

@@ -0,0 +1,16 @@
+import Mock from 'mockjs'
+import '@/mock/extend'
+
+Mock.mock('/login', 'post', ({body}) => {
+  let result = {}
+  const {name, password} = JSON.parse(body)
+
+  if (name !== 'admin' || password !== '888888') {
+    result.code = -1
+    result.message = '账户名或密码错误（admin/888888）'
+  } else {
+    result.code = 0
+    result.message = '登录成功'
+  }
+  return result
+})