From 22f5d39209c3400201908e2a9e3441b00cb83d19 Mon Sep 17 00:00:00 2001
From: linwenxiang <991154416@qq.com>
Date: Tue, 25 Aug 2020 23:06:10 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8A=A0=E5=85=A5=E5=AD=97=E7=AC=A6=E4=B8=B2?=
 =?UTF-8?q?=E5=AD=97=E6=AE=B5=E5=88=86=E8=A1=A8=E7=AE=97=E6=B3=95=EF=BC=8C?=
 =?UTF-8?q?=E4=BE=9B=E5=88=86=E8=A1=A8=E4=B8=9A=E5=8A=A1=E5=8F=82=E8=80=83?=
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---
 pkg/table/analysis.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 pkg/table/analysis.go

diff --git a/pkg/table/analysis.go b/pkg/table/analysis.go
new file mode 100644
index 00000000..58324b0f
--- /dev/null
+++ b/pkg/table/analysis.go
@@ -0,0 +1,24 @@
+package table
+
+import (
+	"hash/crc32"
+	"strconv"
+)
+
+// Crc32Hash 用于32张分表
+func Crc32Hash(src string) string {
+	sum := crc32.ChecksumIEEE([]byte(src)) % 32
+	return strconv.Itoa(int(sum))
+}
+
+// Crc16Hash 用于32张分表
+func Crc16Hash(src string) string {
+	sum := crc32.ChecksumIEEE([]byte(src)) % 16
+	return strconv.Itoa(int(sum))
+}
+
+// Crc8Hash 用于32张分表
+func Crc8Hash(src string) string {
+	sum := crc32.ChecksumIEEE([]byte(src)) % 8
+	return strconv.Itoa(int(sum))
+}