admin_new/src/modules/sys/ParamsListView.vue

<script setup lang="ts">
/**
 * F006 参数管理(原老 vue devtools/param) - 套老 vue param.vue 结构 + v1.9 设计规范
 *
 * 后端端点 (SysParamsController):
 *   GET    /sys/params/page      分页列表 (⚠️ admin 角色无 sys:params:page 权限,后端 500)
 *   GET    /sys/params/{id}       详情
 *   POST   /sys/params            新增
 *   PUT    /sys/params            修改
 *   DELETE /sys/params            删除
 *   GET    /sys/params/code/{paramCode}  按 code 查 value
 *
 * 字段(来自 SysParamsDTO):
 *   id / paramCode / paramValue / remark / createDate / updateDate
 *
 * 设计规范:§16 列表页 + §17.7 紧凑弹窗 + §17.8 主题色弹窗 + §17.9 列优化
 */
import { onMounted, ref, reactive, computed } from 'vue'
import { ElMessage, ElMessageBox } from 'element-plus'
import { httpGet, httpPost, httpPut, httpDelete } from '@/utils/request'
import DataTable from '@/components/DataTable/DataTable.vue'
import { useUserStore } from '@/stores/user'

interface SysParams {
  id: string
  paramCode: string
  paramValue: string
  remark?: string | null
  createDate: string | number
  updateDate?: string | number | null
  raw: any
}

const userStore = useUserStore()
const userPerms = computed(() => userStore.permissions || [])
// W4.7 后端 @PreAuthorize 严格匹配 hasAuthority('sys:params:page')
// *:*:* 通配符不匹配精确权限字符串,必须精确包含
const hasParamsPerm = computed(() =>
  userPerms.value.includes('sys:params:page') ||
  userPerms.value.includes('sys:params:all')
)

const list = ref<SysParams[]>([])
const total = ref(0)
const loading = ref(false)
const page = ref(1)
const limit = ref(10)
const loadError = ref<string | null>(null)

const filters = reactive({
  paramCode: ''
})

const editVisible = ref(false)
const editMode = ref<'create' | 'update'>('create')
const editForm = reactive({
  id: null as number | null,
  paramCode: '',
  paramValue: '',
  remark: ''
})

function fmtDate(ts?: string | number | null) {
  if (!ts) return '--'
  const n = typeof ts === 'string' ? Date.parse(ts) : ts
  if (!n) return String(ts)
  const d = new Date(n)
  if (isNaN(d.getTime())) return String(ts)
  const pad = (x: number) => String(x).padStart(2, '0')
  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}:${pad(d.getSeconds())}`
}

function previewValue(val?: string | null) {
  if (!val) return '--'
  if (val.length > 60) return val.substring(0, 60) + '...'
  return val
}

async function load() {
  loading.value = true
  loadError.value = null
  try {
    const data = await httpGet<{ total: number; list: any[] }>('/sys/params/page', {
      page: page.value,
      limit: limit.value,
      ...(filters.paramCode ? { paramCode: filters.paramCode } : {})
    })
    list.value = (data.list || []).map((it: any) => ({
      id: String(it.id),
      paramCode: it.paramCode || '--',
      paramValue: it.paramValue || '--',
      remark: it.remark || '--',
      createDate: it.createDate,
      updateDate: it.updateDate,
      raw: it
    }))
    total.value = data.total || 0
  } catch (e: any) {
    console.error('参数列表加载失败', e)
    list.value = []
    total.value = 0
    const msg = e?.msg || e?.message || ''
    loadError.value = msg.includes('500')
      ? '后端接口异常 - 可能权限不足或参数 param_type 过滤错误'
      : (msg || '后端接口异常(详见 console)')
  } finally {
    loading.value = false
  }
}

function onSearch() { page.value = 1; load() }
function onReset() {
  filters.paramCode = ''
  page.value = 1
  load()
}
function onPageChange(p: number) { page.value = p; load() }
function onLimitChange(l: number) { limit.value = l; page.value = 1; load() }

function createHandle() {
  editMode.value = 'create'
  editForm.id = null
  editForm.paramCode = ''
  editForm.paramValue = ''
  editForm.remark = ''
  editVisible.value = true
}

async function editHandle(row: SysParams) {
  editMode.value = 'update'
  editForm.id = Number(row.id)
  editForm.paramCode = row.paramCode
  editForm.paramValue = row.paramValue
  editForm.remark = row.remark === '--' ? '' : (row.remark || '')
  editVisible.value = true
}

async function editConfirm() {
  if (!editForm.paramCode.trim()) {
    ElMessage.warning('请输入参数编码')
    return
  }
  if (!editForm.paramValue.trim()) {
    ElMessage.warning('请输入参数值')
    return
  }
  const payload = {
    id: editForm.id,
    paramCode: editForm.paramCode.trim(),
    paramValue: editForm.paramValue,
    remark: editForm.remark.trim()
  }
  try {
    if (editMode.value === 'create') {
      await httpPost('/sys/params', payload)
      ElMessage.success('新增成功')
    } else {
      await httpPut('/sys/params', payload)
      ElMessage.success('修改成功')
    }
    editVisible.value = false
    load()
  } catch (e: any) {
    ElMessage.error(e?.msg || e?.message || (editMode.value === 'create' ? '新增失败' : '修改失败'))
  }
}

async function deleteHandle(row: SysParams) {
  try {
    await ElMessageBox.confirm(
      `确认删除参数 ${row.paramCode} 吗?删除后该参数将无法恢复。`,
      '删除确认',
      { type: 'warning', confirmButtonText: '删除', cancelButtonText: '取消' }
    )
  } catch {
    return
  }
  try {
    await httpDelete(`/sys/params/${row.id}`)
    ElMessage.success('删除成功')
    load()
  } catch (e: any) {
    ElMessage.error(e?.msg || e?.message || '删除失败')
  }
}

onMounted(() => {
  if (hasParamsPerm.value) {
    load()
  }
})
</script>

<template>
  <div class="rr-sys-params">
    <div class="rr-page-header">
      <div class="rr-page-titles">
        <h2 class="rr-page-title">参数管理</h2>
        <p class="rr-page-sub">
          <template v-if="hasParamsPerm">共 {{ total }} 个参数</template>
          <template v-else>当前角色无参数管理权限</template>
        </p>
      </div>
      <div class="rr-page-actions">
        <el-button @click="onReset" class="rr-btn-secondary">重置</el-button>
        <el-button type="primary" class="rr-btn-primary" :disabled="!hasParamsPerm" @click="createHandle">+ 新增参数</el-button>
      </div>
    </div>

    <!-- 无权限提示卡 -->
    <el-alert
      v-if="!hasParamsPerm"
      type="warning"
      :closable="false"
      style="margin-bottom: 16px;"
    >
      <template #title>
        <strong>权限不足</strong>
      </template>
      <p>当前账号没有 <code>sys:params:page</code> 权限,无法查看参数列表。</p>
      <p>请联系管理员在老后台 <code>/vue/sys/role</code> 给当前角色分配此权限。</p>
    </el-alert>

    <template v-else>
      <div class="rr-filters-row">
        <el-input
          v-model="filters.paramCode"
          placeholder="参数编码搜索"
          clearable
          class="rr-code-input"
          size="small"
          @keyup.enter="onSearch"
        />
        <el-button class="rr-btn-secondary" size="small" @click="onSearch">查询</el-button>
      </div>

      <div class="rr-list-card">
        <DataTable
          :columns="[
            { prop: 'paramCode', label: '参数编码', minWidth: 200, slot: 'paramCode' },
            { prop: 'paramValue', label: '参数值', minWidth: 280, slot: 'paramValue' },
            { prop: 'remark', label: '备注', minWidth: 160 },
            { prop: 'createDate', label: '创建时间', width: 170, slot: 'createDate' },
            { prop: 'updateDate', label: '更新时间', width: 170, slot: 'updateDate' },
            { label: '操作', width: 180, slot: 'action' }
          ]"
          :data="list"
          :loading="loading"
          :total="total"
          :page="page"
          :limit="limit"
          :show-pagination="true"
          :error="loadError"
          empty-text="暂无参数"
          row-key="id"
          @page-change="onPageChange"
          @limit-change="onLimitChange"
        >
          <template #paramCode="{ row }">
            <code class="rr-mono">{{ row.paramCode }}</code>
          </template>

          <template #paramValue="{ row }">
            <code class="rr-mono rr-param-value">{{ previewValue(row.paramValue) }}</code>
          </template>

          <template #createDate="{ row }">
            <span class="rr-time">{{ fmtDate(row.createDate) }}</span>
          </template>

          <template #updateDate="{ row }">
            <span class="rr-time">{{ fmtDate(row.updateDate) }}</span>
          </template>

          <template #action="{ row }">
            <el-button
              text
              type="primary"
              size="small"
              @click="editHandle(row)"
            >编辑</el-button>
            <el-button
              text
              type="primary"
              size="small"
              @click="deleteHandle(row)"
            >删除</el-button>
          </template>
        </DataTable>
      </div>
    </template>

    <!-- 编辑弹窗 -->
    <el-dialog
      v-model="editVisible"
      :title="editMode === 'create' ? '新增参数' : '编辑参数'"
      width="560"
      :style="{ borderRadius: '12px', overflow: 'hidden' }"
      align-center
      destroy-on-close
    >
      <el-form label-width="100px" label-position="right">
        <el-form-item label="参数编码" required>
          <el-input
            v-model="editForm.paramCode"
            placeholder="例如:OAUTH_TOKEN_EXPIRE"
            size="default"
            maxlength="100"
            :disabled="editMode === 'update'"
            show-word-limit
          />
        </el-form-item>
        <el-form-item label="参数值" required>
          <el-input
            v-model="editForm.paramValue"
            type="textarea"
            :rows="3"
            placeholder="支持纯文本或 JSON 字符串"
            maxlength="2000"
            show-word-limit
          />
        </el-form-item>
        <el-form-item label="备注">
          <el-input
            v-model="editForm.remark"
            type="textarea"
            :rows="2"
            placeholder="可选:参数用途说明"
            maxlength="200"
            show-word-limit
          />
        </el-form-item>
      </el-form>
      <template #footer>
        <el-button @click="editVisible = false">取消</el-button>
        <el-button type="primary" @click="editConfirm">
          {{ editMode === 'create' ? '确认新增' : '确认修改' }}
        </el-button>
      </template>
    </el-dialog>
  </div>
</template>

<style scoped>
.rr-sys-params {
  padding: 16px;
}

.rr-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.rr-page-titles {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rr-page-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--el-text-color-primary);
}

.rr-page-sub {
  margin: 0;
  font-size: 12px;
  color: var(--el-text-color-secondary);
}

.rr-page-actions {
  display: flex;
  gap: 8px;
}

.rr-filters-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 12px 16px;
  background: var(--el-fill-color-light);
  border-radius: 8px;
}

.rr-code-input { width: 240px; }

.rr-list-card {
  background: var(--el-bg-color);
  border-radius: 12px;
  padding: 4px;
}

.rr-mono {
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  padding: 2px 6px;
  background: var(--el-fill-color-light);
  border-radius: 4px;
  color: var(--el-color-primary);
}

.rr-param-value {
  word-break: break-all;
  max-width: 100%;
  display: inline-block;
}

.rr-time {
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  color: var(--el-text-color-regular);
}
</style>