feat: 在用户列表展示角色信息

- 分页批量补全用户关联角色名称，避免逐行查询

- 支持多角色标签、溢出数量和完整信息提示

easyflow-api/easyflow-api-admin/src/main/java/tech/easyflow/admin/controller/system/SysAccountController.java

@@ -139,7 +139,51 @@ public class SysAccountController extends BaseCurdController<SysAccountService,
     @Override
     @LogRecord("分页查询")
     protected Page<SysAccount> queryPage(Page<SysAccount> page, QueryWrapper queryWrapper) {
-        return service.getMapper().paginateWithRelations(page, queryWrapper);
+        Page<SysAccount> result = service.getMapper().paginateWithRelations(page, queryWrapper);
+        fillRoleNames(result.getRecords());
+        return result;
+    }
+
+    /**
+     * 按当前分页内的角色 ID 批量补全角色名称。
+     *
+     * @param accounts 当前页账号
+     */
+    private void fillRoleNames(List<SysAccount> accounts) {
+        if (accounts == null || accounts.isEmpty()) {
+            return;
+        }
+        Set<BigInteger> roleIds = accounts.stream()
+                .map(SysAccount::getRoleIds)
+                .filter(java.util.Objects::nonNull)
+                .flatMap(Collection::stream)
+                .filter(java.util.Objects::nonNull)
+                .collect(Collectors.toCollection(LinkedHashSet::new));
+        if (roleIds.isEmpty()) {
+            accounts.forEach(account -> account.setRoleNames(List.of()));
+            return;
+        }
+
+        Map<BigInteger, String> roleNameMap = sysRoleService.listByIds(roleIds).stream()
+                .filter(role -> role.getId() != null && StringUtil.hasText(role.getRoleName()))
+                .collect(Collectors.toMap(
+                        SysRole::getId,
+                        SysRole::getRoleName,
+                        (first, ignored) -> first
+                ));
+        accounts.forEach(account -> {
+            List<BigInteger> accountRoleIds = account.getRoleIds();
+            if (accountRoleIds == null || accountRoleIds.isEmpty()) {
+                account.setRoleNames(List.of());
+                return;
+            }
+            List<String> roleNames = accountRoleIds.stream()
+                    .map(roleNameMap::get)
+                    .filter(StringUtil::hasText)
+                    .distinct()
+                    .collect(Collectors.toList());
+            account.setRoleNames(roleNames);
+        });
     }
 
     @Override

easyflow-modules/easyflow-module-system/src/main/java/tech/easyflow/system/entity/SysAccount.java

@@ -31,6 +31,12 @@ public class SysAccount extends SysAccountBase {
     )
     private List<BigInteger> roleIds;
 
+    /**
+     * 账号关联的角色名称，仅用于列表展示。
+     */
+    @Column(ignore = true)
+    private List<String> roleNames;
+
     @RelationManyToMany(joinTable = "tb_sys_account_position"
             , joinSelfColumn = "account_id"
             , joinTargetColumn = "position_id"
@@ -51,6 +57,24 @@ public class SysAccount extends SysAccountBase {
         this.roleIds = roleIds;
     }
 
+    /**
+     * 获取账号关联的角色名称。
+     *
+     * @return 角色名称列表
+     */
+    public List<String> getRoleNames() {
+        return roleNames;
+    }
+
+    /**
+     * 设置账号关联的角色名称。
+     *
+     * @param roleNames 角色名称列表
+     */
+    public void setRoleNames(List<String> roleNames) {
+        this.roleNames = roleNames;
+    }
+
     public List<BigInteger> getPositionIds() {
         return positionIds;
     }

easyflow-ui-admin/app/src/views/system/sysAccount/SysAccountList.vue

@@ -20,6 +20,8 @@ import {
   ElMessageBox,
   ElTable,
   ElTableColumn,
+  ElTag,
+  ElTooltip,
 } from 'element-plus';
 
 import { api } from '#/api/request';
@@ -47,6 +49,7 @@ const selectedRows = ref<any[]>([]);
 const batchActionLoading = ref(false);
 const dictStore = useDictStore();
 const selectedCount = computed(() => selectedRows.value.length);
+const maxVisibleRoleCount = 2;
 const headerButtons = [
   {
     key: 'create',
@@ -68,6 +71,30 @@ const headerButtons = [
 function initDict() {
   dictStore.fetchDictionary('dataStatus');
 }
+function getRoleNames(row: any): string[] {
+  if (!Array.isArray(row?.roleNames)) {
+    return [];
+  }
+  const roleNames: unknown[] = row.roleNames;
+  return [
+    ...new Set(
+      roleNames
+        .filter(
+          (roleName: unknown) =>
+            roleName !== null &&
+            roleName !== undefined &&
+            String(roleName).trim().length > 0,
+        )
+        .map(String),
+    ),
+  ];
+}
+function getVisibleRoleNames(row: any) {
+  return getRoleNames(row).slice(0, maxVisibleRoleCount);
+}
+function getHiddenRoleCount(row: any) {
+  return Math.max(getRoleNames(row).length - maxVisibleRoleCount, 0);
+}
 const handleSearch = (params: string) => {
   pageDataRef.value.setQuery({ keyword: params.trim() });
 };
@@ -353,6 +380,58 @@ function isAdmin(data: any) {
                 {{ row.nickname }}
               </template>
             </ElTableColumn>
+            <ElTableColumn
+              prop="roleIds"
+              align="center"
+              min-width="260"
+              :label="$t('sysAccount.roleIds')"
+            >
+              <template #default="{ row }">
+                <ElTooltip
+                  v-if="getRoleNames(row).length > 0"
+                  placement="top"
+                  popper-class="sys-account-role-tooltip"
+                  :show-after="300"
+                >
+                  <template #content>
+                    <div class="sys-account-role-tooltip__content">
+                      <ElTag
+                        v-for="roleName in getRoleNames(row)"
+                        :key="roleName"
+                        effect="plain"
+                        type="info"
+                      >
+                        {{ roleName }}
+                      </ElTag>
+                    </div>
+                  </template>
+                  <div
+                    class="sys-account-role-summary"
+                    tabindex="0"
+                    :aria-label="getRoleNames(row).join('、')"
+                  >
+                    <ElTag
+                      v-for="roleName in getVisibleRoleNames(row)"
+                      :key="roleName"
+                      class="sys-account-role-tag"
+                      effect="plain"
+                      type="info"
+                    >
+                      {{ roleName }}
+                    </ElTag>
+                    <ElTag
+                      v-if="getHiddenRoleCount(row) > 0"
+                      class="sys-account-role-more"
+                      effect="plain"
+                      type="info"
+                    >
+                      +{{ getHiddenRoleCount(row) }}
+                    </ElTag>
+                  </div>
+                </ElTooltip>
+                <span v-else class="sys-account-role-empty">-</span>
+              </template>
+            </ElTableColumn>
             <ElTableColumn
               prop="mobile"
               align="center"
@@ -464,6 +543,48 @@ function isAdmin(data: any) {
   align-items: center;
 }
 
+.sys-account-role-summary {
+  display: flex;
+  gap: var(--space-1);
+  align-items: center;
+  justify-content: center;
+  min-width: 0;
+  outline: none;
+}
+
+.sys-account-role-summary:focus-visible {
+  border-radius: var(--radius-control);
+  box-shadow: 0 0 0 2px hsl(var(--primary) / 24%);
+}
+
+.sys-account-role-tag {
+  max-width: 88px;
+}
+
+.sys-account-role-tag :deep(.el-tag__content) {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.sys-account-role-more {
+  flex: none;
+}
+
+.sys-account-role-empty {
+  color: hsl(var(--text-muted));
+}
+
+:global(.sys-account-role-tooltip) {
+  max-width: 320px;
+}
+
+:global(.sys-account-role-tooltip .sys-account-role-tooltip__content) {
+  display: flex;
+  flex-wrap: wrap;
+  gap: var(--space-1);
+}
+
 .sys-account-batch-inline__actions :deep(.el-button) {
   height: 32px;
   min-height: 32px;