lab/frontend/src/views/UserView.vue

<template>
  <el-card>
    <div class="toolbar">
      <div class="spacer" />
      <el-button type="success" @click="openDialog()">
        <el-icon><Plus /></el-icon>&nbsp;新增用户
      </el-button>
    </div>

    <el-table :data="rows" v-loading="loading">
      <el-table-column prop="id" label="ID" width="70" />
      <el-table-column prop="username" label="用户名" width="140" />
      <el-table-column prop="realName" label="姓名" width="120" />
      <el-table-column prop="roleLabel" label="角色" width="100">
        <template #default="{ row }">
          <el-tag :type="row.role === 'ADMIN' ? 'danger' : row.role === 'TEACHER' ? 'warning' : 'info'">
            {{ row.roleLabel }}
          </el-tag>
        </template>
      </el-table-column>
      <el-table-column prop="email" label="邮箱" min-width="180" />
      <el-table-column prop="phone" label="电话" width="140" />
      <el-table-column label="状态" width="90" align="center">
        <template #default="{ row }">
          <el-tag :type="row.enabled ? 'success' : 'info'">{{ row.enabled ? '启用' : '禁用' }}</el-tag>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="170" fixed="right">
        <template #default="{ row }">
          <el-button size="small" @click="openDialog(row)">编辑</el-button>
          <el-button size="small" type="danger" @click="remove(row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <el-dialog v-model="dialogVisible" :title="form.id ? '编辑用户' : '新增用户'" width="480px">
      <el-form ref="formRef" :model="form" :rules="rules" label-width="90px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="form.username" :disabled="Boolean(form.id)" />
        </el-form-item>
        <el-form-item v-if="!form.id" label="初始密码" prop="password">
          <el-input v-model="form.password" type="password" show-password />
        </el-form-item>
        <el-form-item v-else label="重置密码">
          <el-input v-model="form.password" type="password" show-password placeholder="留空则不修改" />
        </el-form-item>
        <el-form-item label="姓名" prop="realName">
          <el-input v-model="form.realName" />
        </el-form-item>
        <el-form-item label="角色" prop="role">
          <el-select v-model="form.role">
            <el-option label="管理员" value="ADMIN" />
            <el-option label="教师" value="TEACHER" />
            <el-option label="学生" value="STUDENT" />
          </el-select>
        </el-form-item>
        <el-form-item label="邮箱">
          <el-input v-model="form.email" />
        </el-form-item>
        <el-form-item label="电话">
          <el-input v-model="form.phone" />
        </el-form-item>
        <el-form-item v-if="form.id" label="启用">
          <el-switch v-model="form.enabled" />
        </el-form-item>
      </el-form>
      <template #footer>
        <el-button @click="dialogVisible = false">取消</el-button>
        <el-button type="primary" @click="submit">保存</el-button>
      </template>
    </el-dialog>
  </el-card>
</template>

<script setup lang="ts">
import { onMounted, reactive, ref } from 'vue'
import { ElMessage, ElMessageBox, type FormInstance, type FormRules } from 'element-plus'
import { userApi } from '@/api'
import type { Role, UserVO } from '@/types'

interface UserForm {
  id?: number
  username?: string
  password?: string
  realName?: string
  role?: Role
  email?: string
  phone?: string
  enabled?: boolean
}

const loading = ref(false)
const rows = ref<UserVO[]>([])
const dialogVisible = ref(false)
const formRef = ref<FormInstance>()
const form = reactive<UserForm>({ role: 'STUDENT', enabled: true })

/** 表单校验规则 */
const rules: FormRules = {
  username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
  password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
  realName: [{ required: true, message: '请输入姓名', trigger: 'blur' }],
  role: [{ required: true, message: '请选择角色', trigger: 'change' }]
}

/**
 * 加载用户列表。
 */
async function load(): Promise<void> {
  loading.value = true
  try {
    rows.value = await userApi.list()
  } finally {
    loading.value = false
  }
}

/**
 * 打开新增/编辑对话框。
 *
 * @param row 行数据
 */
function openDialog(row?: UserVO): void {
  Object.keys(form).forEach((key) => delete (form as Record<string, unknown>)[key])
  if (row) {
    Object.assign(form, row, { password: '' })
  } else {
    Object.assign(form, { role: 'STUDENT', enabled: true })
  }
  dialogVisible.value = true
}

/**
 * 保存用户。
 */
async function submit(): Promise<void> {
  const valid = await formRef.value?.validate().catch(() => false)
  if (!valid) {
    return
  }
  if (form.id) {
    const payload: Record<string, unknown> = { ...form }
    delete payload.username
    if (!payload.password) {
      delete payload.password
    }
    await userApi.update(form.id, payload)
    ElMessage.success('修改成功')
  } else {
    await userApi.create(form as Record<string, unknown>)
    ElMessage.success('新增成功')
  }
  dialogVisible.value = false
  await load()
}

/**
 * 删除用户。
 *
 * @param row 行数据
 */
async function remove(row: UserVO): Promise<void> {
  await ElMessageBox.confirm(`确认删除用户「${row.realName}」吗？`, '提示', { type: 'warning' })
  await userApi.remove(row.id)
  ElMessage.success('删除成功')
  await load()
}

onMounted(load)
</script>