教程8 Vue3+Typescript+组合式API完成用户注册、用户登录（访问Django后端接口）

<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" label-width="80px" class="login-form">
      <!-- 用户名输入 -->
      <el-form-item label="用户名" prop="username">
        <el-input v-model="loginForm.username" autocomplete="off"></el-input>
      </el-form-item>
      <!-- 密码输入 -->
      <el-form-item label="密码" prop="password">
        <el-input type="password" v-model="loginForm.password" autocomplete="off"></el-input>
      </el-form-item>
      <!-- 提交按钮 -->
      <el-form-item>
        <el-button type="primary" @click="submitForm('loginForm')">登录</el-button>
        <el-button @click="resetForm('loginForm')">重置</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
 
<script lang="ts">
import { ElMessage } from 'element-plus';
import { ref, reactive } from 'vue';
import axios from 'axios';
 
export default {
  setup() {
    // 登录表单数据和验证规则
    const loginForm = reactive({
      username: '',
      password: ''
    });
    const loginRules = {
      username: [
        { required: true, message: '请输入用户名', trigger: 'blur' },
        { min: 3, max: 10, message: '用户名长度在 3 到 10 个字符', trigger: 'blur' }
      ],
      password: [
        { required: true, message: '请输入密码', trigger: 'blur' },
        { min: 6, max: 15, message: '密码长度在 6 到 15 个字符', trigger: 'blur' }
      ]
    };
 
    // 提交表单
    const submitForm = (formName: string) => {
      (this.$refs[formName] as any).validate((valid: boolean) => {
        if (valid) {
          axios.post('http://localhost:8000/api/v1/login/', loginForm)
            .then(response => {
              ElMessage.success('登录成功');
              // 登录成功后的操作，如存储token等
            })
            .catch(error => {
              ElMessage.error('登录失败');
              console.error('登录失败:', error);
            });
        } else {
          ElMessage.error('表单验证失败');
          return false;
        }
      });
    };
 
    // 重置表单
    const resetForm = (formName: string) => {
      (this.$refs[formName] as any).resetFields();
    };
 
    return {
      loginForm,
      loginRules,
      submitForm,
      resetForm
    };
  }
};
</script>
 
<style scoped>
.login-container {
  width: 100%;
  max-width: 400px;
  margin: 150px auto;
}
.login-form {
  border: 1px solid #eee;
  padding: 20px;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
</st