diff --git a/app/appearance/langs/en_US.json b/app/appearance/langs/en_US.json
index 04d717955..2c28326f9 100644
--- a/app/appearance/langs/en_US.json
+++ b/app/appearance/langs/en_US.json
@@ -740,6 +740,8 @@
"export18": "After enabling, insert the document title as a heading 1 at the beginning",
"export19": "Path to Pandoc executable",
"export20": "Exporting Word .docx files requires format conversion using Pandoc",
+ "export21": "Export PDF footer template",
+ "export22": "%page is the current page number, %pages is the total page number, and supports Sprig template functions",
"export23": "Export Markdown wit YFM",
"export24": "After enabling, add some general metadata information at the beginning of the exported Markdown file",
"blockRef": "Ref Block",
diff --git a/app/appearance/langs/es_ES.json b/app/appearance/langs/es_ES.json
index 93c6e94f1..47c7cd401 100644
--- a/app/appearance/langs/es_ES.json
+++ b/app/appearance/langs/es_ES.json
@@ -740,6 +740,8 @@
"export18": "Después de habilitar, inserte el título del documento como encabezado 1 al principio",
"export19": "Ruta de acceso al ejecutable de Pandoc",
"export20": "La exportación de archivos Word .docx requiere la conversión del formato mediante Pandoc",
+ "export21": "Exportar plantilla de pie de página PDF",
+ "export22": "%page es el número de página actual, %pages es el número de página total y es compatible con las funciones de plantilla de Sprig ",
"export23": "Exportar descuento con YFM",
"export24": "Después de habilitar, agregue información general de metadatos al comienzo del archivo Markdown exportado",
"blockRef": "Bloque de referencia",
diff --git a/app/appearance/langs/fr_FR.json b/app/appearance/langs/fr_FR.json
index 1ace4d2c6..e2f3fd159 100644
--- a/app/appearance/langs/fr_FR.json
+++ b/app/appearance/langs/fr_FR.json
@@ -740,6 +740,8 @@
"export18": "Après activation, insérez le titre du document comme titre 1 au début",
"export19": "Chemin vers l'exécutable Pandoc",
"export20": "L'exportation de fichiers Word .docx nécessite une conversion de format à l'aide de Pandoc",
+ "export21": "Exporter le modèle de pied de page PDF",
+ "export22": "%page est le numéro de page actuel, %pages est le numéro de page total et prend en charge les fonctions de modèle Sprig ",
"export23": "Exporter Markdown avec YFM",
"export24": "Après l'activation, ajoutez des informations générales sur les métadonnées au début du fichier Markdown exporté",
"blockRef": "Bloc Réf",
diff --git a/app/appearance/langs/zh_CHT.json b/app/appearance/langs/zh_CHT.json
index b2faaa450..af2ccd9e3 100644
--- a/app/appearance/langs/zh_CHT.json
+++ b/app/appearance/langs/zh_CHT.json
@@ -740,6 +740,8 @@
"export18": "啟用後將文檔標題以一級標題的形式插入到開頭",
"export19": "Pandoc 可執行文件路徑",
"export20": "導出 Word .docx 文件需要使用 Pandoc 進行格式轉換",
+ "export21": "導出 PDF 頁腳模板",
+ "export22": "%page 為當前頁碼，%pages 為總頁碼，支持 Sprig 模板函數",
"export23": "導出 Markdown 添加 YFM",
"export24": "啟用後在導出的 Markdown 文件開頭處添加一些較為通用的元數據信息",
"blockRef": "引用塊",
diff --git a/app/appearance/langs/zh_CN.json b/app/appearance/langs/zh_CN.json
index 9ca3dd09e..81013ada7 100644
--- a/app/appearance/langs/zh_CN.json
+++ b/app/appearance/langs/zh_CN.json
@@ -740,6 +740,8 @@
"export18": "启用后将文档标题以一级标题的形式插入到开头",
"export19": "Pandoc 可执行文件路径",
"export20": "导出 Word .docx 文件需要使用 Pandoc 进行格式转换",
+ "export21": "导出 PDF 页脚模板",
+ "export22": "%page 为当前页码，%pages 为总页码，支持 Sprig 模板函数",
"export23": "导出 Markdown 添加 YFM",
"export24": "启用后在导出的 Markdown 文件开头处添加一些较为通用的元数据信息",
"blockRef": "引用块",
diff --git a/kernel/conf/export.go b/kernel/conf/export.go
index 5b3773845..18b277e39 100644
--- a/kernel/conf/export.go
+++ b/kernel/conf/export.go
@@ -44,5 +44,6 @@ func NewExport() *Export {
FileAnnotationRefMode: 0,
PandocBin: "",
MarkdownYFM: false,
+ PDFFooter: "%page / %pages",
}
}
diff --git a/kernel/go.mod b/kernel/go.mod
index 9aeec296d..0ae3423df 100644
--- a/kernel/go.mod
+++ b/kernel/go.mod
@@ -108,6 +108,7 @@ require (
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/onsi/ginkgo/v2 v2.9.1 // indirect
+ github.com/pdfcpu/pdfcpu v0.4.0 // indirect
github.com/pelletier/go-toml/v2 v2.0.7 // indirect
github.com/pkg/errors v0.9.1 // indirect
github.com/power-devops/perfstat v0.0.0-20221212215047-62379fc7944b // indirect
diff --git a/kernel/go.sum b/kernel/go.sum
index 77da33b9e..cd08c463b 100644
--- a/kernel/go.sum
+++ b/kernel/go.sum
@@ -232,6 +232,8 @@ github.com/panjf2000/ants/v2 v2.7.1 h1:qBy5lfSdbxvrR0yUnZfaEDjf0FlCw4ufsbcsxmE7r
github.com/panjf2000/ants/v2 v2.7.1/go.mod h1:KIBmYG9QQX5U2qzFP/yQJaq/nSb6rahS9iEHkrCMgM8=
github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
+github.com/pdfcpu/pdfcpu v0.4.0 h1:381iGNvMeLP+GFqIAqgd0LSj36AsK3JH4UTaF6D5jRc=
+github.com/pdfcpu/pdfcpu v0.4.0/go.mod h1:9NDeS6hrCheauxw6YUlzgL/q6At2+PMzUKyFcfUzLLY=
github.com/pelletier/go-toml/v2 v2.0.1/go.mod h1:r9LEWfGN8R5k0VXJ+0BkIe7MYkRdwZOjgMj2KwnJFUo=
github.com/pelletier/go-toml/v2 v2.0.7 h1:muncTPStnKRos5dpVKULv2FVd4bMOhNePj9CjgDb8Us=
github.com/pelletier/go-toml/v2 v2.0.7/go.mod h1:eumQOmlWiOPt5WriQQqoM5y18pDHwha2N+QD+EUNTek=
diff --git a/kernel/model/export.go b/kernel/model/export.go
index 7ae9a4023..8b4e4bc04 100644
--- a/kernel/model/export.go
+++ b/kernel/model/export.go
@@ -20,6 +20,7 @@ import (
"bytes"
"errors"
"fmt"
+ "github.com/Masterminds/sprig/v3"
"net/http"
"net/url"
"os"
@@ -29,6 +30,7 @@ import (
"sort"
"strconv"
"strings"
+ "text/template"
"time"
"unicode/utf8"
@@ -711,6 +713,7 @@ func ProcessPDF(id, p string, merge, removeAssets bool) (err error) {
processPDFBookmarks(pdfCtx, headings)
processPDFLinkEmbedAssets(pdfCtx, assetDests, removeAssets)
+ processPDFFooter(pdfCtx)
pdfcpu.VersionStr = "SiYuan v" + util.Ver
if writeErr := api.WriteContextFile(pdfCtx, p); nil != writeErr {
@@ -970,26 +973,49 @@ func processPDFLinkEmbedAssets(pdfCtx *pdfcpu.Context, assetDests []string, remo
}
}
-func annotRect(i int, w, h, d, l float64) *pdfcpu.Rectangle {
- // d..distance between annotation rectangles
- // l..side length of rectangle
+func processPDFFooter(pdfCtx *pdfcpu.Context) {
+ templateContent := strings.TrimSpace(Conf.Export.PDFFooter)
+ if "" == templateContent {
+ return
+ }
- // max number of rectangles fitting into w
- xmax := int((w - d) / (l + d))
+ footerTpl, err := template.New("").Funcs(sprig.TxtFuncMap()).Parse(templateContent)
+ if nil != err {
+ logging.LogErrorf("parse pdf footer template failed: %s", err)
+ return
+ }
- // max number of rectangles fitting into h
- ymax := int((h - d) / (l + d))
+ buf := &bytes.Buffer{}
+ buf.Grow(4096)
+ err = footerTpl.Execute(buf, nil)
+ if nil != err {
+ logging.LogErrorf("render pdf footer template failed: %s", err)
+ return
+ }
+ footer := buf.String()
- col := float64(i % xmax)
- row := float64(i / xmax % ymax)
+ fontName := "Times-Roman"
+ pos := "bc"
+ dx := 10
+ fillCol := "#000000"
+ desc := fmt.Sprintf("font:%s, points:12, sc:1 abs, pos:%s, off:%d 10, fillcol:%s, rot:0", fontName, pos, dx, fillCol)
+ footer = strings.ReplaceAll(footer, "%pages", strconv.Itoa(pdfCtx.PageCount))
+ m := map[int]*pdfcpu.Watermark{}
+ for i := 1; i <= pdfCtx.PageCount; i++ {
+ text := strings.ReplaceAll(footer, "%page", strconv.Itoa(i))
+ wm, watermarkErr := api.TextWatermark(text, desc, true, false, pdfcpu.POINTS)
+ if nil != watermarkErr {
+ logging.LogErrorf("add pdf footer failed: %s", watermarkErr)
+ return
+ }
- llx := d + col*(l+d)
- lly := d + row*(l+d)
+ m[i] = wm
+ }
- urx := llx + l
- ury := lly + l
-
- return pdfcpu.Rect(llx, lly, urx, ury)
+ if watermarkErr := pdfCtx.AddWatermarksMap(m); nil != watermarkErr {
+ logging.LogErrorf("add pdf footer failed: %s", watermarkErr)
+ return
+ }
}
func ExportStdMarkdown(id string) string {