1

common/pdf_parser.go

@@ -0,0 +1,35 @@
+package common
+
+import (
+	"io"
+	"os"
+	"strings"
+
+	"github.com/pdfcpu/pdfcpu/pkg/api"
+)
+
+type pdfParser struct{}
+
+// Parse PDF：抽取全部文本，按页分隔（分页符供分块器识别）
+func (p *pdfParser) Parse(path string) (string, error) {
+	f, err := os.Open(path)
+	if err != nil {
+		return "", err
+	}
+	defer f.Close()
+
+	var sb strings.Builder
+	err = api.ExtractContent(f, nil, func(r io.Reader, _ int) error {
+		b, err := io.ReadAll(r)
+		if err != nil {
+			return err
+		}
+		sb.Write(b)
+		sb.WriteString("\n\n")
+		return nil
+	}, nil)
+	if err != nil {
+		return "", err
+	}
+	return sb.String(), nil
+}