.

pkg/api/biz_api.go

@@ -15,6 +15,7 @@ type BizApi interface {
 	NewsDraftDelete(c *gin.Context)  //草稿删除
 	NewsTag(c *gin.Context)          //新闻打标签
 	NewsAsync(c *gin.Context)        //异步同步数据
+	NewsAsyncBatch(c *gin.Context)   //一次性整批同步数据
 	NewsPullNew(c *gin.Context)      //拉取新的数据
 	QaList(c *gin.Context)           //Q&A列表
 	QaAdd(c *gin.Context)            //Q&A新增

pkg/controllers/controller_biz.go

@@ -555,6 +555,28 @@ func (m *Controller) NewsAsync(c *gin.Context) {
 	m.OK(c, resp, len(resp.List), total)
 }
 
+func (m *Controller) NewsAsyncBatch(c *gin.Context) {
+	var req proto.NewsAsyncBatchReq
+
+	if err := m.bindJSON(c, &req); err != nil {
+		log.Errorf("%s", err)
+		return
+	}
+	log.Infof("....................NewsAsyncBatch request: %+v", req)
+	ctx := sessions.GetContext(c)
+	var ok bool
+	if ctx != nil {
+		ok = m.CheckPrivilege(c, ctx, privilege.NewsAccess)
+	}
+	ok = ok
+	resp, total, code := m.BizCore.NewsAsyncBatch(ctx, &req, true)
+	if !code.Ok() {
+		m.Error(c, code)
+		return
+	}
+	m.OK(c, resp, len(resp.List), total)
+}
+
 func (m *Controller) NewsPullNew(c *gin.Context) {
 	var req proto.NewsPullNewReq
 	if err := m.bindJSON(c, &req); err != nil {

pkg/dal/core/core_biz.go

@@ -911,6 +911,42 @@ func (m *BizCore) NewsAsync(ctx *itypes.Context, req *proto.NewsAsyncReq, needEx
 	}, total, itypes.BizOK
 }
 
+// NewsAsyncBatch：批量差异同步
+func (m *BizCore) NewsAsyncBatch(ctx *itypes.Context, req *proto.NewsAsyncBatchReq, needExtra bool) (resp *proto.NewsAsyncResp, total int64, code itypes.BizCode) {
+	const batchSize = 5000 // 防止 SQL 占位符过长，按需调整
+
+	if len(req.List) == 0 {
+		return &proto.NewsAsyncResp{List: []*models.NewsDO{}}, 0, itypes.BizOK
+	}
+
+	var all []*models.NewsDO
+
+	for start := 0; start < len(req.List); start += batchSize {
+		end := start + batchSize
+		if end > len(req.List) {
+			end = len(req.List)
+		}
+
+		// ── ① 把这一块转成 DAO 参数 ──
+		pairs := make([]dao.OrgDigestPair, end-start)
+		for i, v := range req.List[start:end] {
+			pairs[i] = dao.OrgDigestPair{OrgId: v.Org_Id, Digest: v.Digest}
+		}
+
+		// ── ② 一次 SQL 抓差异 ──
+		chunk, _, err := m.newsDAO.QueryAsyncBatch(pairs)
+		if err != nil {
+			return nil, 0, itypes.NewBizCodeDatabaseError(err.Error())
+		}
+
+		all = append(all, chunk...)
+	}
+
+	return &proto.NewsAsyncResp{
+		List: all,
+	}, int64(len(all)), itypes.BizOK
+}
+
 func (m *BizCore) NewsPullNew(ctx *itypes.Context, req *proto.NewsPullNewReq) (resp *proto.NewsPullNewResp, total int64, code itypes.BizCode) {
 	dos, total, err := m.newsDAO.QueryPullNew(&dao.NewsPullNewCondition{
 		OrgIDs: req.OrgIDs,

pkg/dal/dao/news.go

@@ -10,6 +10,12 @@ import (
 	"github.com/civet148/sqlca/v2"
 )
 
+// 客户端带来的本地状态 (org_id, digest)
+type OrgDigestPair struct {
+	OrgId  int64
+	Digest string
+}
+
 type NewsAsyncCondition struct {
 	Org_Id int64
 	Digest string
@@ -393,6 +399,52 @@ func (dao *NewsDAO) QueryAsync(cond *NewsAsyncCondition) (dos []*models.NewsDO,
 	return []*models.NewsDO{record}, 1, nil
 }
 
+// 一次 SQL 抓取该批 org_id，对比 digest，返回需要下发的记录
+func (dao *NewsDAO) QueryAsyncBatch(pairs []OrgDigestPair) (dos []*models.NewsDO, total int64, err error) {
+
+	if len(pairs) == 0 {
+		return []*models.NewsDO{}, 0, nil
+	}
+
+	// ① 提取 org_id 列表，同时建映射表 clientDigest[org_id] = digest
+	orgIDs := make([]int64, 0, len(pairs))
+	clientDigest := make(map[int64]string, len(pairs))
+	for _, p := range pairs {
+		orgIDs = append(orgIDs, p.OrgId)
+		clientDigest[p.OrgId] = p.Digest
+	}
+
+	// ② 一次 SQL：SELECT * FROM news WHERE org_id IN ( … )
+	var rows []*models.NewsDO
+	// err 已在函数签名里声明
+	_, err = dao.db.
+		Model(&rows). // 告诉 sqlca 目标对象是 []*models.NewsDO
+		Table(models.TableNameNews).
+		Where("org_id IN ?", orgIDs).
+		Query() // 用 Query 而不是 Find
+	if err != nil {
+		return nil, 0, err
+	}
+
+	// ③ 在 Go 层比对 digest
+	for _, row := range rows {
+		cDigest := clientDigest[row.OrgId] // 客户端传来的 digest
+
+		// 直接从 map[string]interface{} 里取
+		var sDigest string
+		if d, ok := row.ExtraData["digest"].(string); ok {
+			sDigest = d
+		}
+
+		// cDigest 为空 或 与服务器端不同，都需要下发
+		if cDigest == "" || cDigest != sDigest {
+			dos = append(dos, row)
+		}
+	}
+
+	return dos, int64(len(dos)), nil
+}
+
 func (dao *NewsDAO) QueryPullNew(cond *NewsPullNewCondition) (dos []*models.NewsDO, total int64, err error) {
 	e := dao.db.Model(&dos).
 		Table(models.TableNameNews).

pkg/proto/proto_biz.go

@@ -285,6 +285,10 @@ type NewsAsyncReq struct {
 	Digest string `json:"digest"`
 }
 
+type NewsAsyncBatchReq struct {
+	List []NewsAsyncReq `json:"list"`
+}
+
 type NewsAsyncResp struct {
 	List []*models.NewsDO `json:"list"`
 }
@@ -296,7 +300,3 @@ type NewsPullNewReq struct {
 type NewsPullNewResp struct {
 	List []*models.NewsDO `json:"list"`
 }
-
-type NewsAsyncBatchReq struct {
-	List []NewsAsyncReq `json:"list"`
-}

pkg/routers/router_biz.go

@@ -27,6 +27,7 @@ const (
 	RouterSubPathNewsDraftDelete     = "/draft/delete"
 	RouterSubPathNewsTag             = "/tag"
 	RouterSubPathNewsAsync           = "/async"
+	RouterSubPathNewsAsyncBatch      = "/asyncbatch"
 	RouterSubPathNewsPullNew         = "/pullnew"
 	RouterSubPathQaList              = "/list"
 	RouterSubPathQaAdd               = "/add"
@@ -51,6 +52,7 @@ func InitRouterGroupBiz(r *gin.Engine, handlers api.BizApi) {
 
 	groupNews.POST(RouterSubPathNewsList, handlers.NewsList)
 	groupNews.POST(RouterSubPathNewsAsync, handlers.NewsAsync)
+	groupNews.POST(RouterSubPathNewsAsyncBatch, handlers.NewsAsyncBatch)
 	groupNews.POST(RouterSubPathNewsPullNew, handlers.NewsPullNew)
 	groupNews.Use(middleware.JWT()) //use JWT token middleware
 	{