feat(Go-Tool)：

2021/03/02: 新增字符串匹配 暴力匹配、KMP匹配、SunDay匹配算法
            2021/03/02: 修复Rand包随机获取方法

util/stringMatch/SundayMatch_test.go

@@ -0,0 +1,33 @@
+/*
+ *  @Author : huangzj
+ *  @Time : 2021/3/2 11:21
+ *  @Description：
+ */
+
+package stringMatch
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestSundayMatch(t *testing.T) {
+	s := "abcbvxs"
+	m := "bcb"
+	showResult2(s, m)
+	s = "abcbvxs"
+	m = "bx"
+	showResult2(s, m)
+	s = "abcbvxssdaadsad"
+	m = "cbvxssdaa"
+	showResult2(s, m)
+}
+
+func showResult2(s, m string) {
+	i := SundayMatch(s, m)
+	if i == -1 {
+		fmt.Println("未找到对应字符串")
+	} else {
+		fmt.Println(fmt.Sprintf("匹配到的字符串是:%v", s[i:len(m)+i]))
+	}
+}