From 87f8162048eaf0f55f0b4e91e11fa60d75fa886a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B5=B5=E6=95=8F?= <3234934487@qq.com>
Date: Wed, 11 Oct 2023 10:21:25 +0800
Subject: [PATCH] Zy

---
 ...5\23420231010 \346\265\201\347\250\213.md" | 83 +++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 "56 \350\265\265\346\225\217/\344\275\23420231010 \346\265\201\347\250\213.md"

diff --git "a/56 \350\265\265\346\225\217/\344\275\23420231010 \346\265\201\347\250\213.md" "b/56 \350\265\265\346\225\217/\344\275\23420231010 \346\265\201\347\250\213.md"
new file mode 100644
index 0000000..2efb538
--- /dev/null
+++ "b/56 \350\265\265\346\225\217/\344\275\23420231010 \346\265\201\347\250\213.md"	
@@ -0,0 +1,83 @@
+作业
+
+```
+-- 写一个存储过程，可以输入一个整数，输入小于或等于0时，提示非法输入，并中止这个存储过程，
+-- 否则先判断这个数和是不是大于20，如果大于20就从1循环到这个数，并找出所有的偶数(但遇到逢10的数要跳过)。小于等于20就提示数太小了，并退出。
+
+-- 要求，循环部分，要用三种语法分别做一遍
+#whlie
+drop procedure xx;
+delimiter //
+CREATE procedure xx(in num int)
+a:BEGIN
+declare i int DEFAULt 1;
+	if num<=0 then
+		SELECT "非法输入";
+		leave a;
+	elseif num > 20 then
+		b:while i<=num do 
+			if i%2=1 or i%10=0 then set i = i+1;
+			iterate b ;
+			end if;
+		SELECT i;
+		set i = i+1;
+		end while b;
+	else SELECT "数太小了";
+	leave a;
+end if;
+end //
+delimiter ;
+call xx (50)
+
+#loop
+drop procedure zz;
+delimiter //
+CREATE procedure zz(in num int)
+a:BEGIN
+declare i int DEFAULt 1;
+	if num<=0 then
+	SELECT "非法输入";
+	leave a;
+	elseif num > 20 then
+		b:loop 
+		if i%2=1 or i%10=0 then set i = i+1;
+		iterate b ;
+		end if;
+		if i>num then leave b;
+		end if;
+		SELECT i;
+		set i = i+1;
+		end loop b;
+	else SELECT "数太小了";
+	leave a;
+end if;
+end //
+delimiter ;
+call zz (50)
+#repeat
+drop procedure ff;
+delimiter //
+CREATE procedure ff(in num int)
+a:BEGIN
+declare i int DEFAULt 1;
+	if num<=0 then
+	SELECT "非法输入";
+	leave a;
+	elseif num > 20 then
+		b:repeat  
+		if i%2=1 or i%10=0 then set i = i+1;
+		iterate b ;
+		else SELECT i;
+		end if;
+		set i = i+1;
+		UNTIL  i>num 
+		end repeat b;
+		
+	else SELECT "数太小了";
+	leave a;
+end if;
+end //
+delimiter ;
+call ff (100)
+```
+
-- 
Gitee