frontend/src/components/UserLogin.vue

<template>
    <div class="login-container">
      <h2>用户登录</h2>
  
      <form @submit.prevent="submitForm">
        <!-- 用户名/邮箱 -->
        <div class="form-group">
          <label for="username">用户名/邮箱：</label>
          <input
            type="text"
            id="username"
            v-model="username"
            placeholder="请输入用户名或邮箱"
            required
          />
        </div>
  
        <!-- 密码 -->
        <div class="form-group">
          <label for="password">密码：</label>
          <input
            type="password"
            id="password"
            v-model="password"
            placeholder="请输入密码"
            required
          />
        </div>
  
        <!-- 错误信息 -->
        <div v-if="errorMessage" class="error-message">
          {{ errorMessage }}
        </div>
  
        <!-- 登录按钮 -->
        <div class="form-group">
          <button type="submit">登录</button>
        </div>
  
        <div class="register-link">
          <p>还没有账号？<router-link to="/register">注册</router-link></p>
        </div>
      </form>
    </div>
  </template>
  
  <script>
  export default {
    data() {
      return {
        username: "",
        password: "",
        errorMessage: "",
      };
    },
    methods: {
      submitForm() {
        // 简化后不再校验用户名和密码
        this.errorMessage = "";
  
        // 跳转到 DecisionList 页面
        this.$router.push('/decision-list'); // 跳转到首页或者 DecisionList 页面
      },
    },
  };
  </script>

<style scoped>
/* 背景设计 */
body {
  background: linear-gradient(to right, #6a11cb, #2575fc); /* 漸變背景 */
  font-family: 'Arial', sans-serif;
}

/* 登录容器 */
.login-container {
  max-width: 400px;
  margin: 100px auto;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  background-color: white;
  text-align: center;
}

/* 标题 */
h2 {
  font-size: 24px;
  color: #333;
  margin-bottom: 30px;
  font-weight: 600;
}

/* 输入框容器 */
.form-group {
  margin-bottom: 20px;
}

label {
  font-size: 14px;
  color: #555;
  margin-bottom: 8px;
  display: block;
  font-weight: 500;
}

/* 输入框样式 */
input {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin-top: 5px;
  box-sizing: border-box;
  transition: all 0.3s ease;
}

/* 输入框聚焦样式 */
input:focus {
  border-color: #2575fc;
  box-shadow: 0 0 5px rgba(37, 117, 252, 0.5);
  outline: none;
}

/* 按钮样式 */
button {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  background-color: #2575fc;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background-color: #1d61d6;
  transform: translateY(-2px);
}

/* 错误提示信息 */
.error-message {
  color: red;
  font-size: 14px;
  margin-top: 10px;
}

/* 注册链接 */
.register-link {
  margin-top: 20px;
}

.register-link a {
  color: #2575fc;
  font-size: 14px;
  text-decoration: none;
  font-weight: 500;
}

.register-link a:hover {
  text-decoration: underline;
}

.profile-container {
  display: flex;
}

.sidebar {
  width: 250px;
  padding: 20px;
  background-color: #f4f4f4;
}

.profile-main {
  flex-grow: 1;
  padding: 20px;
}

.profile-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.profile-header .avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: 20px;
}

.logout-button {
  margin-top: 20px;
}

.logout-button button {
  padding: 10px 20px;
  background-color: #ff4444;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.logout-button button:hover {
  background-color: #ff0000;
}

</style>