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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "os" | ||
| "runtime" | ||
|
|
||
| "github.com/SebastiaanKlippert/go-wkhtmltopdf" | ||
| ) | ||
|
|
||
| type PdfOption struct { | ||
| FileName string | ||
| CoverPath string | ||
| PageSize string | ||
| Toc bool | ||
| } | ||
|
|
||
| func (p *PdfOption) GenPdf(buf *bytes.Buffer) (err error) { | ||
| pdfg, _ := wkhtmltopdf.NewPDFGenerator() | ||
| page := wkhtmltopdf.NewPageReader(buf) | ||
| page.FooterFontSize.Set(10) | ||
| page.FooterRight.Set("[page]") | ||
| page.DisableSmartShrinking.Set(true) | ||
|
|
||
| page.EnableLocalFileAccess.Set(true) | ||
| pdfg.AddPage(page) | ||
|
|
||
| if p.CoverPath != "" { | ||
| pdfg.Cover.EnableLocalFileAccess.Set(true) | ||
|
|
||
| if runtime.GOOS == "windows" { | ||
| pdfg.Cover.Input = p.CoverPath | ||
| } else { | ||
| pdfg.Cover.Input = "file://" + p.CoverPath | ||
| } | ||
| } | ||
|
|
||
| pdfg.Dpi.Set(300) | ||
| if p.Toc { | ||
| pdfg.TOC.Include = true | ||
| pdfg.TOC.TocHeaderText.Set("目 录") | ||
| pdfg.TOC.HeaderFontSize.Set(18) | ||
|
|
||
| pdfg.TOC.TocLevelIndentation.Set(15) | ||
| pdfg.TOC.TocTextSizeShrink.Set(0.9) | ||
| pdfg.TOC.DisableDottedLines.Set(false) | ||
| pdfg.TOC.EnableTocBackLinks.Set(true) | ||
| } | ||
|
|
||
| pdfg.PageSize.Set(wkhtmltopdf.PageSizeA4) | ||
|
|
||
| pdfg.MarginTop.Set(15) | ||
| pdfg.MarginBottom.Set(15) | ||
| pdfg.MarginLeft.Set(15) | ||
| pdfg.MarginRight.Set(15) | ||
| err = pdfg.Create() | ||
| if err != nil { | ||
| fmt.Printf("pdfg create err: %#v\n", err) | ||
| return | ||
| } | ||
|
|
||
| // Write buffer contents to file on disk | ||
| err = pdfg.WriteFile(p.FileName) | ||
| if err != nil { | ||
| fmt.Printf("\033[31;1m%s\033[0m\n", "失败"+err.Error()) | ||
| return | ||
| } | ||
| fmt.Printf("\033[32;1m%s\033[0m\n", "完成") | ||
| if p.CoverPath != "" { | ||
| err = os.Remove(p.CoverPath) | ||
| } | ||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "path/filepath" | ||
|
|
||
| "github.com/gomarkdown/markdown" | ||
| "github.com/gomarkdown/markdown/html" | ||
| "github.com/gomarkdown/markdown/parser" | ||
| ) | ||
|
|
||
| func Md2Pdf(path, title string, md []byte) (err error) { | ||
| if err != nil { | ||
| return err | ||
| } | ||
| title = FileName(title, "pdf") | ||
| filePreName := filepath.Join(path, title) | ||
| fileName, err := FilePath(filePreName, "", false) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| buf := new(bytes.Buffer) | ||
|
|
||
| h := mdToHTML(md) | ||
| article := genHeadHtml() + string(h) + ` | ||
| </body> | ||
| </html>` | ||
| buf.Write([]byte(article)) | ||
| pdf := PdfOption{ | ||
| FileName: fileName, | ||
| PageSize: "A4", | ||
| Toc: false, | ||
| } | ||
| fmt.Printf("正在生成文件：【\033[37;1m%s\033[0m】 ", title) | ||
| err = pdf.GenPdf(buf) | ||
| return | ||
| } | ||
|
|
||
| func genHeadHtml() (result string) { | ||
| result = `<!DOCTYPE html> | ||
| <html> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> | ||
| <style> | ||
| @font-face { font-family: "FZFangSong-Z02"; src:local("FZFangSong-Z02"), url("https://imgcdn.umiwi.com/ttf/fangzhengfangsong_gbk.ttf"); } | ||
| @font-face { font-family: "FZKai-Z03"; src:local("FZFangSong-Z02S"), url("https://imgcdn.umiwi.com/ttf/0315911813008928624065681028886857980055.ttf"); } | ||
| @font-face { font-family: "FZKai-Z03"; src:local("FZKai-Z03"), url("https://imgcdn.umiwi.com/ttf/fangzhengkaiti_gbk.ttf"); } | ||
| @font-face { font-family: "PingFang SC"; src:local("PingFang SC"); } | ||
| @font-face { font-family: "DeDaoJinKai"; src:local("DeDaoJinKai"), url("https://imgcdn.umiwi.com/ttf/dedaojinkaiw03.ttf");} | ||
| @font-face { font-family: "Source Code Pro"; src:local("Source Code Pro"), url("https://imgcdn.umiwi.com/ttf/0315911806889993935644188722660020367983.ttf"); } | ||
| table, tr, td, th, tbody, thead, tfoot {page-break-inside: avoid !important;} | ||
| img { page-break-inside: avoid; max-width: 100% !important;} | ||
| img.epub-footnote { padding-right:5px;} | ||
| body {font-family: PingFang SC,Arial,sans-serif,Source Code Pro;color: #333;text-align: left;line-height: 1.8;} | ||
| em {font-style: normal;} | ||
| h2>code { background-color: rgb(255, 96, 2);padding: 0.5%;border-radius: 10%;color: white;} | ||
| p>em {color: rgb(255, 96, 2);} | ||
| </style> | ||
| </head> | ||
| <body> | ||
| ` | ||
| return | ||
| } | ||
|
|
||
| func mdToHTML(md []byte) []byte { | ||
| // create markdown parser with extensions | ||
| extensions := parser.CommonExtensions | parser.AutoHeadingIDs | parser.NoEmptyLineBeforeBlock | ||
| p := parser.NewWithExtensions(extensions) | ||
| doc := p.Parse(md) | ||
|
|
||
| // create HTML renderer with extensions | ||
| htmlFlags := html.CommonFlags | html.HrefTargetBlank | ||
| opts := html.RendererOptions{Flags: htmlFlags} | ||
| renderer := html.NewRenderer(opts) | ||
|
|
||
| return markdown.Render(doc, renderer) | ||
| } |
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