From e7a37c152964cb66fece334ccefdb2b382852573 Mon Sep 17 00:00:00 2001
From: p2i3t8vuh <3020727885@qq.com>
Date: Sun, 21 May 2023 16:22:33 +0800
Subject: [PATCH] Update README.md

---
 README.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/README.md b/README.md
index 31fbb4c..6c2d0aa 100644
--- a/README.md
+++ b/README.md
@@ -207,6 +207,21 @@ a: No such file or directory
 显示菜单命令。
 
 #### 详细设计
+####main
+Step 1: 初始化
+Step 2: 根据用户选择的命令执行对应的操作
+Step 2.1: 显示菜单
+Step 2.2: 选择菜单命令 c
+Step 2.3: if c == CMD_READ then 读取数据
+Step 2.4: if c == CMD_SAVE then 保存数据
+Step 2.5: if c == CMD_PRINT then 打印数据
+Step 2.6: if c == CMD_QUERY then 查询数据
+Step 2.7: if c == CMD_INSERT then 添加数据
+Step 2.8: if c == CMD_UPDATE then 修改数据
+Step 2.9: if c == CMD_DELETE then 删除数据
+Step 2.10: if c == CMD_SORT then 数据排序
+Step 2.11: if c == CMD_CHART then 导出图表
+Step 2.12: if c == CMD_QUIT then 退出程序
 ![](主函数流程图.drawio.svg)