From bd6925f2f1961203bd4f832350b8b29bbcdd0641 Mon Sep 17 00:00:00 2001
From: fumiama <s862105088@gmail.com>
Date: Fri, 18 Feb 2022 20:20:25 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=8E=A8=20=F0=9F=94=A5=20=E7=BB=9F?=
 =?UTF-8?q?=E4=B8=80=20seed?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 main.go                             |  3 +++
 plugin_aiwife/non-existent.go       |  2 --
 plugin_diana/bing.go                |  4 ----
 plugin_fortune/fortune.go           | 10 +++++-----
 plugin_gif/run.go                   |  3 ---
 plugin_manager/manager.go           |  1 -
 plugin_vtb_quotation/model/model.go |  2 --
 7 files changed, 8 insertions(+), 17 deletions(-)

diff --git a/main.go b/main.go
index 9f1bdf3d..ce36bd51 100644
--- a/main.go
+++ b/main.go
@@ -3,8 +3,10 @@ package main
 import (
 	"flag"
 	"fmt"
+	"math/rand"
 	"os"
 	"strings"
+	"time"
 
 	// ---------以下插件均可通过前面加 // 注释，注释后停用并不加载插件--------- //
 	// ----------------------插件优先级按顺序从高到低---------------------- //
@@ -220,6 +222,7 @@ func getKanban() string {
 func main() {
 	order.Wait()
 	printBanner()
+	rand.Seed(time.Now().UnixNano()) // 全局 seed，其他插件无需再 seed
 	// 帮助
 	zero.OnFullMatchGroup([]string{"/help", ".help", "菜单"}, zero.OnlyToMe).SetBlock(true).
 		Handle(func(ctx *zero.Ctx) {
diff --git a/plugin_aiwife/non-existent.go b/plugin_aiwife/non-existent.go
index d9cb2800..e758a956 100644
--- a/plugin_aiwife/non-existent.go
+++ b/plugin_aiwife/non-existent.go
@@ -4,7 +4,6 @@ package aiwife
 import (
 	"fmt"
 	"math/rand"
-	"time"
 
 	control "github.com/FloatTech/zbputils/control"
 	"github.com/FloatTech/zbputils/ctxext"
@@ -19,7 +18,6 @@ const (
 )
 
 func init() { // 插件主体
-	rand.Seed(time.Now().UnixNano())
 	control.Register("aiwife", order.AcquirePrio(), &control.Options{
 		DisableOnDefault: false,
 		Help: "AIWife\n" +
diff --git a/plugin_diana/bing.go b/plugin_diana/bing.go
index c719059d..26381265 100644
--- a/plugin_diana/bing.go
+++ b/plugin_diana/bing.go
@@ -2,9 +2,6 @@
 package diana
 
 import (
-	"math/rand"
-	"time"
-
 	zero "github.com/wdvxdr1123/ZeroBot"
 	"github.com/wdvxdr1123/ZeroBot/message"
 
@@ -36,7 +33,6 @@ func init() {
 	// 随机发送一篇上面的小作文
 	engine.OnFullMatch("小作文").SetBlock(true).
 		Handle(func(ctx *zero.Ctx) {
-			rand.Seed(time.Now().UnixNano())
 			// 绕过第一行发病
 			ctx.SendChain(message.Text(data.RandText()))
 		})
diff --git a/plugin_fortune/fortune.go b/plugin_fortune/fortune.go
index 3f5c9b61..6f1b3895 100644
--- a/plugin_fortune/fortune.go
+++ b/plugin_fortune/fortune.go
@@ -188,8 +188,8 @@ func randimage(path string, seed int64) (im image.Image, index int, err error) {
 	}
 	defer reader.Close()
 
-	rand.Seed(seed)
-	index = rand.Intn(len(reader.File))
+	r := rand.New(rand.NewSource(seed))
+	index = r.Intn(len(reader.File))
 	file := reader.File[index]
 	f, err := file.Open()
 	if err != nil {
@@ -206,9 +206,9 @@ func randimage(path string, seed int64) (im image.Image, index int, err error) {
 // @param seed 随机数种子
 // @return 签名 & 签文 & 错误信息
 func randtext(seed int64) (string, string) {
-	rand.Seed(seed)
-	r := rand.Intn(len(omikujis))
-	return omikujis[r]["title"], omikujis[r]["content"]
+	r := rand.New(rand.NewSource(seed))
+	i := r.Intn(len(omikujis))
+	return omikujis[i]["title"], omikujis[i]["content"]
 }
 
 // @function draw 绘制运势图
diff --git a/plugin_gif/run.go b/plugin_gif/run.go
index b6268c0a..f65acd20 100644
--- a/plugin_gif/run.go
+++ b/plugin_gif/run.go
@@ -2,11 +2,9 @@
 package gif
 
 import (
-	"math/rand"
 	"reflect"
 	"strconv"
 	"strings"
-	"time"
 
 	control "github.com/FloatTech/zbputils/control"
 	"github.com/FloatTech/zbputils/ctxext"
@@ -24,7 +22,6 @@ var (
 )
 
 func init() { // 插件主体
-	rand.Seed(time.Now().UnixNano()) // 设置种子
 	en := control.Register("gif", order.AcquirePrio(), &control.Options{
 		DisableOnDefault:  false,
 		Help:              "制图\n- " + strings.Join(cmds, "\n- "),
diff --git a/plugin_manager/manager.go b/plugin_manager/manager.go
index e617f80f..d2dc4afb 100644
--- a/plugin_manager/manager.go
+++ b/plugin_manager/manager.go
@@ -342,7 +342,6 @@ func init() { // 插件主体
 				return temp[i].Get("last_sent_time").Int() < temp[j].Get("last_sent_time").Int()
 			})
 			temp = temp[math.Max(0, len(temp)-10):]
-			rand.Seed(time.Now().UnixNano())
 			who := temp[rand.Intn(len(temp))]
 			if who.Get("user_id").Int() == ctx.Event.SelfID {
 				ctx.SendChain(message.Text("幸运儿居然是我自己"))
diff --git a/plugin_vtb_quotation/model/model.go b/plugin_vtb_quotation/model/model.go
index ba77a25b..ff87e65f 100644
--- a/plugin_vtb_quotation/model/model.go
+++ b/plugin_vtb_quotation/model/model.go
@@ -8,7 +8,6 @@ import (
 	"os"
 	"strconv"
 	"strings"
-	"time"
 
 	"github.com/FloatTech/zbputils/web"
 	"github.com/jinzhu/gorm"
@@ -160,7 +159,6 @@ func (vdb *VtbDB) GetThirdCategory(firstIndex, secondIndex, thirdIndex int) Thir
 // RandomVtb ...
 func (vdb *VtbDB) RandomVtb() ThirdCategory {
 	db := (*gorm.DB)(vdb)
-	rand.Seed(time.Now().UnixNano())
 	var count int
 	var tc ThirdCategory
 	db.Model(&ThirdCategory{}).Count(&count).Offset(rand.Intn(count)).Take(&tc)