1. 生成PDF

一个简单但是非常实用的pdf生成器！

安装：

    go get github.com/jung-kurt/gofpdf

代码：

package main

import (
    "github.com/jung-kurt/gofpdf"
)

func main() {
    err := GeneratePdf("hello.pdf")
    if err != nil {
        panic(err)
    }
}

// GeneratePdf generates our pdf by adding text and images to the page
// then saving it to a file (name specified in params).
func GeneratePdf(filename string) error {

    pdf := gofpdf.New("P", "mm", "A4", "")
    pdf.AddPage()
    pdf.SetFont("Arial", "B", 16)

    // CellFormat(width, height, text, border, position after, align, fill, link, linkStr)
    pdf.CellFormat(190, 7, "Welcome to topgoer.com", "0", 0, "CM", false, 0, "")

    // ImageOptions(src, x, y, width, height, flow, options, link, linkStr)
    pdf.ImageOptions(
        "topgoer.png",
        80, 20,
        0, 0,
        false,
        gofpdf.ImageOptions{ImageType: "PNG", ReadDpi: true},
        0,
        "",
    )

    return pdf.OutputFileAndClose(filename)
}

有关更多信息和可用方法，请参见库的文档。