Step F1：前端工程骨架 & 登录鉴权

frontend/src/views/Login.vue

@@ -0,0 +1,73 @@
+<template>
+  <div class="login-page">
+    <el-card class="login-card">
+      <h2 class="title">CTMS 登录</h2>
+      <el-form :model="form" ref="formRef" :rules="rules" label-width="80px" @keyup.enter.native="onSubmit">
+        <el-form-item label="用户名" prop="username">
+          <el-input v-model="form.username" autocomplete="username" />
+        </el-form-item>
+        <el-form-item label="密码" prop="password">
+          <el-input v-model="form.password" type="password" autocomplete="current-password" show-password />
+        </el-form-item>
+        <el-form-item>
+          <el-button type="primary" :loading="loading" @click="onSubmit">登录</el-button>
+        </el-form-item>
+      </el-form>
+    </el-card>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { reactive, ref } from "vue";
+import { useRouter } from "vue-router";
+import type { FormInstance, FormRules } from "element-plus";
+import { useAuthStore } from "../store/auth";
+
+const auth = useAuthStore();
+const router = useRouter();
+
+const formRef = ref<FormInstance>();
+const form = reactive({
+  username: "",
+  password: "",
+});
+
+const rules: FormRules<typeof form> = {
+  username: [{ required: true, message: "请输入用户名", trigger: "blur" }],
+  password: [{ required: true, message: "请输入密码", trigger: "blur" }],
+};
+
+const loading = ref(false);
+
+const onSubmit = async () => {
+  if (!formRef.value) return;
+  await formRef.value.validate(async (valid) => {
+    if (!valid) return;
+    loading.value = true;
+    try {
+      await auth.login(form.username, form.password);
+      await auth.fetchMe();
+      router.push("/");
+    } finally {
+      loading.value = false;
+    }
+  });
+};
+</script>
+
+<style scoped>
+.login-page {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 100vh;
+  background: #f5f7fa;
+}
+.login-card {
+  width: 360px;
+}
+.title {
+  text-align: center;
+  margin-bottom: 16px;
+}
+</style>