使用Python打造专属二维码的详细教程

pip install spire.barcode

from spire.barcode import *

def save_image(filename, data):
    with open(filename, "wb") as f:
        f.write(data)

# 激活许可证（替换成你自己的）
License.SetLicenseKey("你的许可证密钥")

# 配置二维码参数
settings = BarcodeSettings()
settings.Type = BarCodeType.QRCode
settings.Data2D = "https://your-website.com"
settings.X = 3  # 控制二维码的精细度
settings.ShowText = False  # 不显示底部文字

# 生成并保存
generator = BarCodeGenerator(settings)
image = generator.GenerateImage()
save_image("output/MyFirstQR.png", image)

settings.QRCodeECL = QRCodeECL.H  # 最高纠错等级

settings.QRCodeDataMode = QRCodeDataMode.Auto  # 默认选这个就行

# 改颜色
settings.BackColor = Color.get_White()
settings.ForeColor = Color.get_DeepSkyBlue()  # 亮蓝色二维码

# 加边框
settings.HasBorder = True
settings.BorderWidth = 1
settings.BorderColor = Color.get_Gray()

# 调整边距（单位：模块宽度）
settings.LeftMargin = 2
settings.RightMargin = 2
settings.TopMargin = 2
settings.BottomMargin = 2

# 设置打印分辨率（DPI越高越清晰）
settings.DpiX = 300
settings.DpiY = 300

# 显示编码的内容
settings.ShowTextOnBottom = True
settings.TextColor = Color.get_Blue()
settings.SetTextFont("微软雅黑", 12, FontStyle.Bold)

# 或者添加自定义文字
settings.ShowBottomText = True
settings.BottomText = "扫码关注我们"
settings.SetBottomTextFont("微软雅黑", 11, FontStyle.Regular)
settings.BottomTextColor = Color.get_DarkGray()

settings.SetQRCodeLogoImage("/path/to/your/logo.png")

from spire.barcode import *

def save_image(filename, data):
    with open(filename, "wb") as f:
        f.write(data)

License.SetLicenseKey("你的许可证密钥")

settings = BarcodeSettings()
settings.Type = BarCodeType.QRCode
settings.Data2D = "https://your-site.com/special-offer"
settings.QRCodeDataMode = QRCodeDataMode.Auto
settings.QRCodeECL = QRCodeECL.Q  # 加logo需要提高纠错等级
settings.X = 4

# 外观美化
settings.BackColor = Color.get_White()
settings.ForeColor = Color.get_DarkOrange()
settings.HasBorder = True
settings.BorderWidth = 0.5

# 底部加说明
settings.ShowBottomText = True
settings.BottomText = "扫码领取优惠券"
settings.SetBottomTextFont("微软雅黑", 12, FontStyle.Bold)

# 加logo
settings.SetQRCodeLogoImage("logo.png")

# 生成
generator = BarCodeGenerator(settings)
image = generator.GenerateImage()
save_image("output/PromoQR.png", image)