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线上 Meetup | 从 SQL Server 到 TiDB:释放数据潜能,降本增效新选择!
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从 Oracle 到 TiDB 的收益与迁移全流程分享。
【分享 PCTA/PCTP/PCSD 考证对你的工作/求职/TiDB 学习/运维的帮助,同时@一位由你邀请加入 TiDB 社区的新朋友】
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【给 TiDB 社区小伙伴们送上有意义的代码祝福语吧!】
代码由chatgpt小伙伴提供
object TiDBBlessings {
def main(args: Array[String]): Unit = {
// 祝福语列表(可按需改)
val blessings = Seq(
"愿 TiDB 永葆高可用:分片有序,raft 不慌;",
"愿查询如风:索引稳健,慢查询少;",
"愿社区如春:贡献不断,讨论有温度;",
"愿代码如诗:可读、可测、可维护;",
"愿性能常在:IO 顺畅,GC 友好;",
"愿每位贡献者:代码被审慎对待,心血被感谢。"
)
// 生成图片
val w = 1200
val h = 600
val img = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB)
val g = img.createGraphics()
// 高质量渲染
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON)
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON)
g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY)
// 背景:纵向渐变
val topColor = new Color(24, 48, 77) // 深蓝
val bottomColor = new Color(11, 92, 69) // 青绿
val grad = new GradientPaint(0f, 0f, topColor, 0f, h.toFloat, bottomColor)
g.setPaint(grad)
g.fillRect(0, 0, w, h)
// 半透明代码区域(卡片)
val cardX = 80
val cardY = 80
val cardW = w - cardX * 2
val cardH = h - cardY * 2
val cardColor = new Color(0, 0, 0, 90)
g.setColor(cardColor)
g.fillRoundRect(cardX, cardY, cardW, cardH, 28, 28)
// 画一点装饰:左上 small brackets
g.setColor(new Color(255, 255, 255, 40))
val decoFont = new Font("Monospaced", Font.BOLD, 120)
g.setFont(decoFont)
g.drawString("{", cardX + 20, cardY + 140)
g.drawString("}", cardX + cardW - 80, cardY + cardH - 40)
// 标题
val titleFont = new Font("SansSerif", Font.BOLD, 42)
g.setFont(titleFont)
g.setColor(new Color(255, 245, 200))
val title = "TiDB 社区 · 代码祝福"
val titleX = cardX + 40
val titleY = cardY + 70
g.drawString(title, titleX, titleY)
// 副标题 / 小说明
val subFont = new Font("SansSerif", Font.PLAIN, 18)
g.setFont(subFont)
g.setColor(new Color(220, 230, 240, 200))
g.drawString("献给每位为数据库稳定与性能默默付出的你", titleX, titleY + 26)
// 绘制代码风格的祝福语块
val codeFont = new Font("Monospaced", Font.PLAIN, 22)
g.setFont(codeFont)
val codeStartX = titleX
val codeStartY = titleY + 70
val lineHeight = 36
// 左侧绘制小行号样式
val lineNoFont = new Font("Monospaced", Font.PLAIN, 16)
g.setFont(lineNoFont)
g.setColor(new Color(160, 200, 190, 150))
(1 to blessings.length).foreach { i =>
g.drawString(f"$i%2d", codeStartX - 36, codeStartY + (i - 1) * lineHeight + 6)
}
// 绘制实际文本(带代码颜色)
g.setFont(codeFont)
val codeColor = new Color(235, 245, 230)
g.setColor(codeColor)
blessings.zipWithIndex.foreach { case (line, idx) =>
val y = codeStartY + idx * lineHeight
// 模拟代码注释前缀与颜色差异
g.setColor(new Color(130, 200, 170)) // 注释颜色
g.drawString("//", codeStartX, y)
g.setColor(codeColor)
g.drawString(" " + line, codeStartX + 30, y)
}
// 右下角:小签名与图形小徽章
val sigFont = new Font("SansSerif", Font.ITALIC, 16)
g.setFont(sigFont)
g.setColor(new Color(210, 230, 220))
val sig = "— 来自社区,献给社区"
g.drawString(sig, cardX + cardW - 320, cardY + cardH - 24)
// 一个简单的徽章(圆形 + <TiDB> 风格简写)
val badgeX = cardX + cardW - 160
val badgeY = cardY + 30
val badgeR = 96
g.setColor(new Color(255, 255, 255, 18))
g.fillOval(badgeX, badgeY, badgeR, badgeR)
g.setColor(new Color(255, 255, 255, 40))
g.drawOval(badgeX, badgeY, badgeR, badgeR)
val badgeFont = new Font("Monospaced", Font.BOLD, 28)
g.setFont(badgeFont)
g.setColor(new Color(240, 250, 240))
val badgeText = "TiDB"
val bfm = g.getFontMetrics
val bx = badgeX + (badgeR - bfm.stringWidth(badgeText)) / 2
val by = badgeY + (badgeR + bfm.getAscent) / 2 - 6
g.drawString(badgeText, bx, by)
// 结束绘制
g.dispose()
// 保存文件
val outFile = new File("tidb_blessings.png")
ImageIO.write(img, "png", outFile)
println(s"\n图像已保存为: ${outFile.getAbsolutePath}")
}
}