feat: 支持主列表选择每页条数 (#242)

admin/handler/web/catalog.go

@@ -11,7 +11,8 @@ import (
 )
 
 func (h *Handler) CatalogHistory(c *gin.Context) {
-	result, err := service.ListCatalogHistory(h.db, c.Query("source"), c.Query("status"), service.ParsePage(c.Query("page")))
+	pageSize := service.ParsePageSize(c.Query("page_size"))
+	result, err := service.ListCatalogHistoryWithPageSize(h.db, c.Query("source"), c.Query("status"), service.ParsePage(c.Query("page")), pageSize)
 	if err != nil {
 		fail(c, 500, "读取商品目录导入记录失败，数据没有被改动。请刷新后重试。")
 		return
@@ -23,7 +24,7 @@ func (h *Handler) CatalogHistory(c *gin.Context) {
 	if result.Status != "" {
 		values.Set("status", result.Status)
 	}
-	c.HTML(http.StatusOK, "catalog/list", page(c, "catalog", "商品目录导入记录", gin.H{"Rows": result.Rows, "Sources": result.Sources, "Source": result.Source, "StatusFilter": result.Status, "StatusOptions": service.CatalogStatusOptions(), "Status": fmt.Sprintf("共 %d 条 · 第 %d/%d 页", result.Total, result.Page, result.TotalPages), "Pagination": service.NewPaginationView(result.Page, result.TotalPages, values.Encode())}))
+	c.HTML(http.StatusOK, "catalog/list", page(c, "catalog", "商品目录导入记录", gin.H{"Rows": result.Rows, "Sources": result.Sources, "Source": result.Source, "StatusFilter": result.Status, "StatusOptions": service.CatalogStatusOptions(), "Status": fmt.Sprintf("共 %d 条 · 第 %d/%d 页", result.Total, result.Page, result.TotalPages), "CurrentPageSize": pageSize, "Pagination": service.NewPaginationView(result.Page, pageSize, result.TotalPages, values.Encode())}))
 }
 
 func (h *Handler) CatalogHistoryDetail(c *gin.Context) {

admin/handler/web/inner_code.go

@@ -28,7 +28,9 @@ func (h *Handler) InnerCodeList(c *gin.Context) {
 	}
 	status := strings.TrimSpace(c.Query("status"))
 	keyword := strings.TrimSpace(c.Query("q"))
-	result, err := service.ListInnerCodePage(h.db, businessDate, status, keyword, service.ParsePage(c.Query("page")))
+	pageSize := service.ParsePageSize(c.Query("page_size"))
+	result, err := service.ListInnerCodePageWithPageSize(h.db, businessDate, status, keyword,
+		service.ParsePage(c.Query("page")), pageSize)
 	if err != nil {
 		fail(c, http.StatusInternalServerError, "读取档口入库码列表失败，请稍后刷新重试。")
 		return
@@ -41,17 +43,18 @@ func (h *Handler) InnerCodeList(c *gin.Context) {
 		query.Set("q", keyword)
 	}
 	c.HTML(http.StatusOK, "inner_code/list", page(c, "inner-codes", "档口入库码", gin.H{
-		"BusinessDate":  businessDate,
-		"StatusFilter":  result.Status,
-		"Keyword":       keyword,
-		"StatusOptions": service.InnerCodeStatusOptions(),
-		"Rows":          result.Rows,
-		"HasAny":        result.Counts.Total > 0,
-		"IsFiltered":    result.IsFiltered,
-		"CurrentPage":   result.Page,
-		"Message":       strings.TrimSpace(c.Query("message")),
-		"Status":        service.InnerCodeStatusMessage(result),
-		"Pagination":    service.NewPaginationView(result.Page, result.TotalPages, query.Encode()),
+		"BusinessDate":    businessDate,
+		"StatusFilter":    result.Status,
+		"Keyword":         keyword,
+		"StatusOptions":   service.InnerCodeStatusOptions(),
+		"Rows":            result.Rows,
+		"HasAny":          result.Counts.Total > 0,
+		"IsFiltered":      result.IsFiltered,
+		"CurrentPage":     result.Page,
+		"CurrentPageSize": pageSize,
+		"Message":         strings.TrimSpace(c.Query("message")),
+		"Status":          service.InnerCodeStatusMessage(result),
+		"Pagination":      service.NewPaginationView(result.Page, pageSize, result.TotalPages, query.Encode()),
 	}))
 }
 
@@ -141,8 +144,8 @@ func (h *Handler) InnerCodeMatch(c *gin.Context) {
 		h.innerCodeRedirect(c, businessDate, status, keyword, pageNumber, "请先勾选要匹配的记录。")
 		return
 	}
-	if len(ids) > service.PageSize {
-		h.innerCodeRedirect(c, businessDate, status, keyword, pageNumber, "一次最多匹配当前页 20 条记录，请刷新后重新勾选。")
+	if len(ids) > service.InnerCodeRemoteBatchLimit {
+		h.innerCodeRedirect(c, businessDate, status, keyword, pageNumber, "一次最多匹配 20 条记录，请减少勾选后重试。")
 		return
 	}
 	cfg, err := config.Load()
@@ -272,6 +275,7 @@ func (h *Handler) innerCodeSybClient() (*syb.Client, string) {
 
 func (h *Handler) innerCodeRedirect(c *gin.Context, businessDate, status, keyword string, pageNumber int, message string) {
 	values := url.Values{"date": {businessDate}, "page": {strconv.Itoa(pageNumber)}, "message": {message}}
+	values.Set("page_size", strconv.Itoa(service.ParsePageSize(c.PostForm("page_size"))))
 	if strings.TrimSpace(status) != "" {
 		values.Set("status", strings.TrimSpace(status))
 	}

admin/handler/web/others.go

@@ -53,9 +53,10 @@ func sybLoginHint(ocrURL string) string {
 // 是配置错了还是服务挂了，不能弹一个空的手工输入框了事。
 func (h *Handler) renderSybListWithLoginReason(c *gin.Context, keyword, pageRaw, msg, loginReason string) {
 	pageNum := service.ParsePage(pageRaw)
+	pageSize := service.ParsePageSize(c.Query("page_size"))
 	shop := strings.TrimSpace(c.Query("shop"))
 	stage := service.ParseSybStage(c.Query("stage"))
-	result, err := service.ListSybOrdersView(h.db, keyword, shop, stage, pageNum)
+	result, err := service.ListSybOrdersViewWithPageSize(h.db, keyword, shop, stage, pageNum, pageSize)
 	if err != nil {
 		if !service.IsValidationError(err) || result == nil {
 			fail(c, http.StatusInternalServerError,
@@ -131,6 +132,7 @@ func (h *Handler) renderSybListWithLoginReason(c *gin.Context, keyword, pageRaw,
 	if shop != "" {
 		values.Set("shop", shop)
 	}
+	values.Set("page_size", strconv.Itoa(pageSize))
 	detailValues := url.Values{}
 	if keyword != "" {
 		detailValues.Set("order_no", keyword)
@@ -141,6 +143,7 @@ func (h *Handler) renderSybListWithLoginReason(c *gin.Context, keyword, pageRaw,
 	if shop != "" {
 		detailValues.Set("shop", shop)
 	}
+	detailValues.Set("page_size", strconv.Itoa(pageSize))
 	detailValues.Set("page", strconv.Itoa(result.Page))
 
 	// `[必须]` 密码不读出来显示、也不回显到 HTML，见工单 #46。
@@ -214,6 +217,7 @@ func (h *Handler) renderSybListWithLoginReason(c *gin.Context, keyword, pageRaw,
 			query.Set("stage", stage)
 		}
 		query.Set("page", strconv.Itoa(result.Page))
+		query.Set("page_size", strconv.Itoa(pageSize))
 		query.Set("date_from", dateFrom)
 		query.Set("date_to", dateTo)
 		return "/syb?" + query.Encode()
@@ -247,6 +251,7 @@ func (h *Handler) renderSybListWithLoginReason(c *gin.Context, keyword, pageRaw,
 		"StageFilter":       stage,
 		"StageOptions":      service.SybStageOptions(),
 		"CurrentPage":       result.Page,
+		"CurrentPageSize":   pageSize,
 		"Rows":              result.Rows,
 		"PurchaseRows":      purchaseRows,
 		"OpenSybID":         openSybID,
@@ -273,7 +278,7 @@ func (h *Handler) renderSybListWithLoginReason(c *gin.Context, keyword, pageRaw,
 			keyword, shop, stage, dateFrom, dateTo),
 		"HistoryFetchPagination": sybHistoryPartialPagination(history.Page, history.TotalPages,
 			keyword, shop, stage, dateFrom, dateTo),
-		"Pagination":           service.NewPaginationView(result.Page, result.TotalPages, values.Encode()),
+		"Pagination":           service.NewPaginationView(result.Page, pageSize, result.TotalPages, values.Encode()),
 		"DetailURL":            "/syb/detail?" + detailValues.Encode(),
 		"AssignableClients":    purchaseClients.Rows,
 		"PurchaseClientCount":  purchaseClients.SelectableCount,
@@ -314,7 +319,8 @@ func (h *Handler) SybDetail(c *gin.Context) {
 	c.HTML(http.StatusOK, "syb/detail_modal", gin.H{
 		"D": detail, "CSRFToken": csrfToken(c), "AssignableClients": assignableClients,
 		"Keyword": c.Query("order_no"), "ShopFilter": c.Query("shop"), "StageFilter": c.Query("stage"),
-		"CurrentPage": service.ParsePage(c.Query("page")),
+		"CurrentPage":     service.ParsePage(c.Query("page")),
+		"CurrentPageSize": service.ParsePageSize(c.Query("page_size")),
 	})
 }
 
@@ -678,6 +684,7 @@ func (h *Handler) sybRedirectAfterStart(c *gin.Context, msg string) {
 	if stage := strings.TrimSpace(c.PostForm("stage")); stage != "" {
 		params.Set("stage", stage)
 	}
+	params.Set("page_size", strconv.Itoa(service.ParsePageSize(c.PostForm("page_size"))))
 	c.Redirect(http.StatusSeeOther, "/syb?"+params.Encode())
 }
 
@@ -715,6 +722,7 @@ func appendSybFormState(params url.Values, c *gin.Context) {
 			params.Set(name, value)
 		}
 	}
+	params.Set("page_size", strconv.Itoa(service.ParsePageSize(c.PostForm("page_size"))))
 }
 
 // SybAssociatePdd 从货运单上下文关联 PDD 商品，实际业务规则与蝦皮详情共用。
@@ -869,6 +877,7 @@ func (h *Handler) SybDelete(c *gin.Context) {
 // TaskList 渲染「采集采购」列表页。
 func (h *Handler) TaskList(c *gin.Context) {
 	actor := currentUser(c)
+	pageSize := service.ParsePageSize(c.Query("page_size"))
 	creatorFilter := c.Query("creator")
 	filter := repository.TaskFilter{
 		Type:    service.ParseTaskType(c.Query("type")),
@@ -876,7 +885,8 @@ func (h *Handler) TaskList(c *gin.Context) {
 		Keyword: c.Query("q"),
 	}
 
-	result, err := service.ListTasksViewForUser(h.db, actor, filter, creatorFilter, service.ParsePage(c.Query("page")))
+	result, err := service.ListTasksViewForUserWithPageSize(h.db, actor, filter, creatorFilter,
+		service.ParsePage(c.Query("page")), pageSize)
 	if err != nil {
 		fail(c, http.StatusInternalServerError,
 			"读取任务列表失败，数据没有被改动。刷新页面重试；一直失败请把这句话报给维护者。")
@@ -908,20 +918,22 @@ func (h *Handler) TaskList(c *gin.Context) {
 	if actor.IsAdmin() && creatorFilter != "" {
 		values.Set("creator", creatorFilter)
 	}
+	values.Set("page_size", strconv.Itoa(pageSize))
 	c.HTML(http.StatusOK, "task/list", page(c, "tasks", "采集采购", gin.H{
-		"Rows":           result.Rows,
-		"Keyword":        filter.Keyword,
-		"Status":         statusLine,
-		"TypeFilter":     string(filter.Type),
-		"StatusFilter":   string(filter.Status),
-		"TypeOptions":    service.TaskTypeOptions(),
-		"StatusOptions":  service.TaskStatusOptions(),
-		"ShowCreator":    actor.IsAdmin(),
-		"CreatorFilter":  creatorFilter,
-		"CreatorOptions": creatorOptions,
-		"IsFiltered":     result.IsFiltered,
-		"CurrentPage":    result.Page,
-		"Pagination":     service.NewPaginationView(result.Page, result.TotalPages, values.Encode()),
+		"Rows":            result.Rows,
+		"Keyword":         filter.Keyword,
+		"Status":          statusLine,
+		"TypeFilter":      string(filter.Type),
+		"StatusFilter":    string(filter.Status),
+		"TypeOptions":     service.TaskTypeOptions(),
+		"StatusOptions":   service.TaskStatusOptions(),
+		"ShowCreator":     actor.IsAdmin(),
+		"CreatorFilter":   creatorFilter,
+		"CreatorOptions":  creatorOptions,
+		"IsFiltered":      result.IsFiltered,
+		"CurrentPage":     result.Page,
+		"CurrentPageSize": pageSize,
+		"Pagination":      service.NewPaginationView(result.Page, pageSize, result.TotalPages, values.Encode()),
 	}))
 }
 
@@ -992,6 +1004,7 @@ func (h *Handler) taskRedirect(c *gin.Context, msg string) {
 	if p := c.PostForm("page"); p != "" {
 		params.Set("page", p)
 	}
+	params.Set("page_size", strconv.Itoa(service.ParsePageSize(c.PostForm("page_size"))))
 	if creator := c.PostForm("creator"); creator != "" && currentUser(c).IsAdmin() {
 		params.Set("creator", creator)
 	}
@@ -1018,9 +1031,10 @@ func (h *Handler) taskRedirect(c *gin.Context, msg string) {
 func (h *Handler) ClientList(c *gin.Context) {
 	keyword := c.Query("name")
 	actor := currentUser(c)
+	pageSize := service.ParsePageSize(c.Query("page_size"))
 
-	result, err := service.ListClientPageForUser(h.db, actor, keyword, h.onlineThreshold,
-		service.ParsePage(c.Query("page")))
+	result, err := service.ListClientPageForUserWithPageSize(h.db, actor, keyword, h.onlineThreshold,
+		service.ParsePage(c.Query("page")), pageSize)
 	if err != nil {
 		fail(c, http.StatusInternalServerError,
 			"读取客户端列表失败，数据没有被改动。请稍后重试，或查看 data/logs/ 里的日志。")
@@ -1044,12 +1058,14 @@ func (h *Handler) ClientList(c *gin.Context) {
 	if strings.TrimSpace(keyword) != "" {
 		values.Set("name", keyword)
 	}
+	values.Set("page_size", strconv.Itoa(pageSize))
 	c.HTML(http.StatusOK, "client/list", page(c, "clients", "客户端列表", gin.H{
 		"Keyword": keyword, "Rows": result.Rows, "Status": status,
 		"Purchasers": purchasers, "Message": c.Query("msg"), "Error": c.Query("error"),
-		"CurrentPage": result.Page,
-		"Pagination":  service.NewPaginationView(result.Page, result.TotalPages, values.Encode()),
-		"IsFiltered":  strings.TrimSpace(keyword) != "",
+		"CurrentPage":     result.Page,
+		"CurrentPageSize": pageSize,
+		"Pagination":      service.NewPaginationView(result.Page, pageSize, result.TotalPages, values.Encode()),
+		"IsFiltered":      strings.TrimSpace(keyword) != "",
 	}))
 }
 
@@ -1102,6 +1118,7 @@ func redirectClients(c *gin.Context, message, errorMessage string) {
 	if page := c.PostForm("page"); page != "" {
 		query.Set("page", page)
 	}
+	query.Set("page_size", strconv.Itoa(service.ParsePageSize(c.PostForm("page_size"))))
 	if message != "" {
 		query.Set("msg", message)
 	}

admin/handler/web/pagination_test.go

@@ -43,61 +43,67 @@ func assertRedirectQuery(t *testing.T, recorder *httptest.ResponseRecorder, want
 func Test列表写操作跳转保留筛选和页码(t *testing.T) {
 	t.Run("蝦皮", func(t *testing.T) {
 		context, recorder := listPostContext(t, "/shopee/save", url.Values{
-			"q": {"店铺 A"}, "search_field": {"shop_name"}, "status": {"no_link"}, "unlinked": {"1"}, "page": {"2"},
+			"q": {"店铺 A"}, "search_field": {"shop_name"}, "status": {"no_link"}, "unlinked": {"1"}, "page": {"2"}, "page_size": {"50"},
 		})
 		(&Handler{}).shopeeRedirect(context, "完成")
 		assertRedirectQuery(t, recorder, "/shopee", map[string]string{
-			"q": "店铺 A", "search_field": "shop_name", "status": "no_link", "unlinked": "1", "page": "2", "msg": "完成",
+			"q": "店铺 A", "search_field": "shop_name", "status": "no_link", "unlinked": "1", "page": "2", "page_size": "50", "msg": "完成",
 		})
 	})
 	t.Run("顺运宝", func(t *testing.T) {
 		context, recorder := listPostContext(t, "/syb/associate-pdd", url.Values{
-			"order_no": {"SYB-1"}, "shop": {"测试店铺"}, "stage": {"pdd_missing"}, "page": {"3"},
+			"order_no": {"SYB-1"}, "shop": {"测试店铺"}, "stage": {"pdd_missing"}, "page": {"3"}, "page_size": {"100"},
 		})
 		(&Handler{}).sybRedirect(context, "完成")
 		assertRedirectQuery(t, recorder, "/syb", map[string]string{
-			"order_no": "SYB-1", "shop": "测试店铺", "stage": "pdd_missing", "page": "3", "msg": "完成",
+			"order_no": "SYB-1", "shop": "测试店铺", "stage": "pdd_missing", "page": "3", "page_size": "100", "msg": "完成",
 		})
 	})
 	t.Run("PDD", func(t *testing.T) {
 		context, recorder := listPostContext(t, "/pdd/delete", url.Values{
-			"q": {"737"}, "status": {"pending"}, "page": {"3"},
+			"q": {"737"}, "status": {"pending"}, "page": {"3"}, "page_size": {"50"},
 		})
 		(&Handler{}).pddRedirect(context, "完成")
 		assertRedirectQuery(t, recorder, "/pdd", map[string]string{
-			"q": "737", "status": "pending", "page": "3", "msg": "完成",
+			"q": "737", "status": "pending", "page": "3", "page_size": "50", "msg": "完成",
 		})
 	})
 	t.Run("任务", func(t *testing.T) {
 		context, recorder := listPostContext(t, "/tasks/delete", url.Values{
-			"q": {"TASK"}, "type": {"collect"}, "status": {"pending"}, "creator": {"buyer-a"}, "page": {"2"},
+			"q": {"TASK"}, "type": {"collect"}, "status": {"pending"}, "creator": {"buyer-a"}, "page": {"2"}, "page_size": {"100"},
 		})
 		context.Set(currentUserKey, &model.User{Role: model.RoleAdmin})
 		(&Handler{}).taskRedirect(context, "完成")
 		assertRedirectQuery(t, recorder, "/tasks", map[string]string{
-			"q": "TASK", "type": "collect", "status": "pending", "creator": "buyer-a", "page": "2", "msg": "完成",
+			"q": "TASK", "type": "collect", "status": "pending", "creator": "buyer-a", "page": "2", "page_size": "100", "msg": "完成",
 		})
 	})
 	t.Run("客户端", func(t *testing.T) {
 		context, recorder := listPostContext(t, "/clients/assign", url.Values{
-			"name": {"仓库"}, "page": {"4"},
+			"name": {"仓库"}, "page": {"4"}, "page_size": {"50"},
 		})
 		redirectClients(context, "完成", "")
 		assertRedirectQuery(t, recorder, "/clients", map[string]string{
-			"name": "仓库", "page": "4", "msg": "完成",
+			"name": "仓库", "page": "4", "page_size": "50", "msg": "完成",
 		})
 	})
 	t.Run("用户", func(t *testing.T) {
 		context, recorder := listPostContext(t, "/users/status", url.Values{
-			"q": {"buyer"}, "list_status": {"active"}, "page": {"5"},
+			"q": {"buyer"}, "list_status": {"active"}, "page": {"5"}, "page_size": {"100"},
 		})
 		redirectUsers(context, "完成", "")
 		assertRedirectQuery(t, recorder, "/users", map[string]string{
-			"q": "buyer", "status": "active", "page": "5", "msg": "完成",
+			"q": "buyer", "status": "active", "page": "5", "page_size": "100", "msg": "完成",
 		})
 	})
 }
 
+func Test列表写操作跳转归一化非法每页条数(t *testing.T) {
+	context, recorder := listPostContext(t, "/pdd/delete", url.Values{"page_size": {"9999"}})
+	(&Handler{}).pddRedirect(context, "")
+	assertRedirectQuery(t, recorder, "/pdd", map[string]string{"page_size": "20"})
+}
+
 func Test蝦皮分页详情和状态条保留分类搜索(t *testing.T) {
 	values := url.Values{
 		"q": {"店铺 A"}, "search_field": {"shop_name"}, "status": {"has_link"}, "unlinked": {"1"},

admin/handler/web/pdd.go

@@ -28,8 +28,13 @@ func (h *Handler) PddList(c *gin.Context) {
 func (h *Handler) renderPddList(c *gin.Context, keyword, statusRaw, pageRaw, message string, importResult *service.PddImportResult) {
 	status := service.ParseCollectStatus(statusRaw)
 	pageNum := service.ParsePage(pageRaw)
+	pageSizeRaw := c.Query("page_size")
+	if pageSizeRaw == "" && c.Request.Method == http.MethodPost {
+		pageSizeRaw = c.PostForm("page_size")
+	}
+	pageSize := service.ParsePageSize(pageSizeRaw)
 
-	result, err := service.ListPddProducts(h.db, keyword, status, pageNum)
+	result, err := service.ListPddProductsWithPageSize(h.db, keyword, status, pageNum, pageSize)
 	if err != nil {
 		fail(c, http.StatusInternalServerError,
 			"读取 PDD 商品列表失败，数据没有被改动。刷新页面重试；一直失败请把这句话报给维护者。")
@@ -59,6 +64,7 @@ func (h *Handler) renderPddList(c *gin.Context, keyword, statusRaw, pageRaw, mes
 	if status != "" {
 		values.Set("status", string(status))
 	}
+	values.Set("page_size", strconv.Itoa(pageSize))
 	detailValues := url.Values{}
 	for key, entries := range values {
 		detailValues[key] = append([]string(nil), entries...)
@@ -73,7 +79,8 @@ func (h *Handler) renderPddList(c *gin.Context, keyword, statusRaw, pageRaw, mes
 		"HasAnyProducts":    result.Total > 0,
 		"IsFiltered":        result.IsFiltered,
 		"CurrentPage":       result.Page,
-		"Pagination":        service.NewPaginationView(result.Page, result.TotalPages, values.Encode()),
+		"Pagination":        service.NewPaginationView(result.Page, pageSize, result.TotalPages, values.Encode()),
+		"CurrentPageSize":   pageSize,
 		"DetailURL":         "/pdd/detail?" + detailValues.Encode(),
 		"AssignableClients": assignableClients,
 		"ImportResult":      importResult,
@@ -112,7 +119,8 @@ func (h *Handler) PddDetail(c *gin.Context) {
 		"CSRFToken":         csrfToken(c),
 		"AssignableClients": assignableClients,
 		"Keyword":           c.Query("q"), "StatusFilter": c.Query("status"),
-		"CurrentPage": service.ParsePage(c.Query("page")),
+		"CurrentPage":     service.ParsePage(c.Query("page")),
+		"CurrentPageSize": service.ParsePageSize(c.Query("page_size")),
 	})
 }
 
@@ -291,6 +299,7 @@ func (h *Handler) pddRedirect(c *gin.Context, msg string) {
 	if p := c.PostForm("page"); p != "" {
 		params.Set("page", p)
 	}
+	params.Set("page_size", strconv.Itoa(service.ParsePageSize(c.PostForm("page_size"))))
 	if msg != "" {
 		params.Set("msg", msg)
 	}

admin/handler/web/shopee.go

@@ -48,10 +48,11 @@ func (h *Handler) ShopeeDetail(c *gin.Context) {
 	c.HTML(http.StatusOK, "shopee/detail_modal", gin.H{
 		"D": detail, "CSRFToken": csrfToken(c),
 		"Keyword": c.Query("q"), "SearchField": service.ParseShopeeSearchField(c.Query("search_field")),
-		"StatusFilter":   service.ParseShopeeStatus(c.Query("status")),
-		"DeletedFilter":  currentUser(c).IsAdmin() && c.Query("deleted") == "1",
-		"UnlinkedFilter": c.Query("unlinked") == "1",
-		"CurrentPage":    service.ParsePage(c.Query("page")),
+		"StatusFilter":    service.ParseShopeeStatus(c.Query("status")),
+		"DeletedFilter":   currentUser(c).IsAdmin() && c.Query("deleted") == "1",
+		"UnlinkedFilter":  c.Query("unlinked") == "1",
+		"CurrentPage":     service.ParsePage(c.Query("page")),
+		"CurrentPageSize": service.ParsePageSize(c.Query("page_size")),
 	})
 }
 
@@ -72,8 +73,9 @@ func (h *Handler) renderShopeeList(c *gin.Context, keyword, searchFieldRaw, stat
 	// 不叫 page：本文件末尾要调用同名的 page(c, ...) 渲染辅助函数，
 	// 局部变量会把它遮住导致编译失败。
 	pageNum := service.ParsePage(pageRaw)
+	pageSize := service.ParsePageSize(c.Query("page_size"))
 
-	result, err := service.ListShopeeProducts(h.db, filter, pageNum)
+	result, err := service.ListShopeeProductsWithPageSize(h.db, filter, pageNum, pageSize)
 	if err != nil {
 		fail(c, http.StatusInternalServerError,
 			"读取蝦皮数据失败，数据没有被改动。刷新页面重试；一直失败请把这句话报给维护者。")
@@ -104,6 +106,7 @@ func (h *Handler) renderShopeeList(c *gin.Context, keyword, searchFieldRaw, stat
 	if filter.Unlinked {
 		values.Set("unlinked", "1")
 	}
+	values.Set("page_size", strconv.Itoa(pageSize))
 
 	c.HTML(http.StatusOK, "shopee/list", page(c, "shopee", "蝦皮数据", gin.H{
 		"Keyword":            filter.Keyword,
@@ -117,8 +120,9 @@ func (h *Handler) renderShopeeList(c *gin.Context, keyword, searchFieldRaw, stat
 		"Status":             status,
 		"HasAnyProducts":     result.HasAnyProducts,
 		"IsFiltered":         result.IsFiltered,
-		"Pagination":         service.NewPaginationView(result.Page, result.TotalPages, values.Encode()),
+		"Pagination":         service.NewPaginationView(result.Page, pageSize, result.TotalPages, values.Encode()),
 		"CurrentPage":        result.Page,
+		"CurrentPageSize":    pageSize,
 		"DetailURL":          "/shopee/detail?" + detailValuesForShopee(values, result.Page),
 		"AutoOpenDetailID":   strings.TrimSpace(c.Query("open_id")),
 		"AssignableClients":  assignableClients,
@@ -264,6 +268,7 @@ func (h *Handler) shopeeRedirect(c *gin.Context, msg string) {
 	if value := strings.TrimSpace(c.PostForm("page")); value != "" {
 		params.Set("page", value)
 	}
+	params.Set("page_size", strconv.Itoa(service.ParsePageSize(c.PostForm("page_size"))))
 	if value := strings.TrimSpace(c.PostForm("open_id")); value != "" {
 		params.Set("open_id", value)
 	}

admin/handler/web/user.go

@@ -36,11 +36,12 @@ func (h *Handler) UserList(c *gin.Context) {
 func (h *Handler) renderUserList(c *gin.Context, httpStatus int, message, errorMessage string, needCreate bool, createUsername string) {
 	keyword := strings.TrimSpace(userListValue(c, "q"))
 	listStatus := userListValue(c, "status")
+	pageSize := service.ParsePageSize(userListValue(c, "page_size"))
 	if c.Request.Method == http.MethodPost {
 		listStatus = c.PostForm("list_status")
 	}
-	result, err := service.ListUsers(h.db, currentUser(c), keyword,
-		model.UserStatus(listStatus), service.ParsePage(userListValue(c, "page")))
+	result, err := service.ListUsersWithPageSize(h.db, currentUser(c), keyword,
+		model.UserStatus(listStatus), service.ParsePage(userListValue(c, "page")), pageSize)
 	if err != nil {
 		fail(c, http.StatusInternalServerError, "读取用户列表失败，账号数据没有被改动。刷新后重试。")
 		return
@@ -55,10 +56,11 @@ func (h *Handler) renderUserList(c *gin.Context, httpStatus int, message, errorM
 	status := fmt.Sprintf("共 %d 个用户 · 第 %d/%d 页", result.Total, result.Page, result.TotalPages)
 	c.HTML(httpStatus, "user/list", page(c, "users", "用户管理", gin.H{
 		"Rows": result.Rows, "Keyword": result.Keyword, "Status": status,
-		"Pagination":   service.NewPaginationView(result.Page, result.TotalPages, values.Encode()),
+		"Pagination":   service.NewPaginationView(result.Page, pageSize, result.TotalPages, values.Encode()),
 		"StatusFilter": result.Status, "Message": message, "Error": errorMessage,
 		"NeedCreate": needCreate, "CreateUsername": createUsername,
-		"CurrentPage": result.Page,
+		"CurrentPage":     result.Page,
+		"CurrentPageSize": pageSize,
 	}))
 }
 
@@ -135,6 +137,7 @@ func redirectUsers(c *gin.Context, message, errorMessage string) {
 	if page := c.PostForm("page"); page != "" {
 		query.Set("page", page)
 	}
+	query.Set("page_size", fmt.Sprintf("%d", service.ParsePageSize(c.PostForm("page_size"))))
 	if message != "" {
 		query.Set("msg", message)
 	}