上传文件至 src/views

src/views/SystemAdmin.vue

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+<template>
+  <div class="page-container">
+    <UserMenu />
+
+    <div class="random-image-page">
+      <img v-if="currentImage" :src="currentImage" class="image" />
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from "vue";
+import UserMenu from "../components/UserMenu.vue";
+
+const images = [
+  "/image/nekoA.jpg",
+  "/image/nekoB.jpg",
+  "/image/nekoC.jpg",
+  "/image/nekoD.jpg",
+  "/image/nekoE.jpg",
+  "/image/nekoF.jpg",
+  "/image/nekoG.jpg",
+  "/image/nekoH.jpg",
+];
+
+const currentImage = ref(null);
+
+const changeImage = () => {
+  const index = Math.floor(Math.random() * images.length);
+  currentImage.value = images[index];
+};
+
+onMounted(() => {
+  changeImage();
+});
+</script>
+
+<style scoped>
+@import "@/assets/common.css";
+
+.page-container {
+  max-width: 1000px;
+  margin: 0 auto;
+  padding: 20px;
+  box-sizing: border-box;
+}
+
+.random-image-page {
+  text-align: center;
+  padding: 30px;
+}
+
+.image {
+  max-width: auto;
+  max-height: auto;
+  margin-bottom: 20px;
+  border-radius: 12px;
+  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
+}
+</style>

src/views/UserLogin.vue

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+<template>
+  <div class="login-wrapper">
+    <el-form
+      :model="loginForm"
+      class="login-form"
+      @keydown.enter.prevent="handleEnter"
+    >
+      <el-form-item label="ユーザーID">
+        <el-input
+          v-model="loginForm.id"
+          placeholder="ユーザーIDを入力"
+          ref="idInput"
+        />
+      </el-form-item>
+      <el-form-item label="パスワード">
+        <el-input
+          v-model="loginForm.password"
+          type="password"
+          placeholder="パスワードを入力"
+        />
+      </el-form-item>
+      <el-form-item label-width="0">
+        <div style="display: flex; justify-content: center; width: 100%">
+          <el-button
+            type="primary"
+            @click="login"
+            :loading="isLoading"
+            class="login-btn"
+            size="default"
+          >
+            ログイン
+          </el-button>
+        </div>
+      </el-form-item>
+      <el-form-item v-if="loginForm.messageflag">
+        <el-alert
+          :title="loginForm.message"
+          type="error"
+          show-icon
+          :closable="false"
+          style="
+            display: flex;
+            align-items: center;
+            font-size: 13px;
+            padding: 4px 12px;
+            line-height: 1.4;
+          "
+        />
+      </el-form-item>
+    </el-form>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, onMounted } from "vue";
+import axios from "axios";
+import { useRouter } from "vue-router";
+
+const router = useRouter();
+
+const loginForm = ref({
+  id: "",
+  password: "",
+  message: "",
+  messageflag: false,
+});
+
+const isLoading = ref(false);
+const idInput = ref();
+
+const handleEnter = () => {
+  if (!isLoading.value) login();
+};
+
+onMounted(() => {
+  idInput.value?.focus();
+});
+
+const login = async () => {
+  isLoading.value = true;
+  loginForm.value.messageflag = false;
+
+  try {
+    const res = await axios.post("/api/login", {
+      id: loginForm.value.id,
+      password: loginForm.value.password,
+    });
+
+    const response = res.data;
+
+    if (!response.success) {
+      loginForm.value.messageflag = true;
+      loginForm.value.message = response.message || "ログインエラー";
+    } else {
+      const { redirect, user } = response.data;
+      sessionStorage.setItem("loginInfo", JSON.stringify(user));
+      router.push(redirect);
+    }
+  } catch (error: any) {
+    loginForm.value.messageflag = true;
+    loginForm.value.message =
+      error.response?.data?.message || "サーバーエラーが発生しました";
+  } finally {
+    isLoading.value = false;
+  }
+};
+</script>
+
+<style scoped>
+.login-wrapper {
+  max-width: 400px;
+  margin: 80px auto;
+  padding: 24px;
+  border: 1px solid #ddd;
+  border-radius: 8px;
+  background: #fff;
+}
+::v-deep(.el-alert) {
+  display: flex;
+  align-items: center;
+  padding: 4px 12px;
+  font-size: 13px;
+  line-height: 1.4;
+}
+::v-deep(.el-alert__icon) {
+  width: 16px;
+  height: 16px;
+  margin-right: 8px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+::v-deep(.el-alert__icon svg) {
+  width: 16px;
+  height: 16px;
+}
+</style>