init: hgmj server initial commit

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-10-08 16:50:13 +08:00
commit 625e89c15d
1870 changed files with 254090 additions and 0 deletions
@@ -0,0 +1,15 @@
+package common
+
+import "github.com/shopspring/decimal"
+
+func FenToYuan(money float64) decimal.Decimal {
+	return decimal.NewFromFloat(money).Div(decimal.NewFromFloat(100)).Round(4)
+}
+
+func FenToBai(money float64) decimal.Decimal {
+	return decimal.NewFromFloat(money).Div(decimal.NewFromFloat(10000)).Round(4)
+}
+
+func YuanToFen(money float64) decimal.Decimal {
+	return decimal.NewFromFloat(money).Mul(decimal.NewFromFloat(100)).Round(4)
+}