From 5f2d336807ec7efb2624c44b0f7c3be103d0bb9f Mon Sep 17 00:00:00 2001
From: flykhan <liubo666666@outlook.com>
Date: Wed, 20 Sep 2023 16:37:44 +0800
Subject: [PATCH] =?UTF-8?q?=E6=95=B0=E6=8D=AE=E5=BA=93=E6=93=8D=E4=BD=9C?=
 =?UTF-8?q?=E5=87=BD=E6=95=B0=E5=A2=9E=E5=8A=A0=E6=95=B0=E6=8D=AE=E5=88=A0?=
 =?UTF-8?q?=E9=99=A4=E6=93=8D=E4=BD=9C?=
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---
 router/db.c | 23 +++++++++++++++++++++++
 router/db.h |  3 +++
 2 files changed, 26 insertions(+)

diff --git a/router/db.c b/router/db.c
index 162aa36..76bd79c 100644
--- a/router/db.c
+++ b/router/db.c
@@ -87,6 +87,29 @@ int insert(const char *sql, MYSQL_BIND *params)
     return ret; // 返回是影响的行数
 }
 
+int delete(const char *sql, MYSQL_BIND *params)
+{
+    MYSQL_STMT *stmt = mysql_stmt_init(conn_db);
+    mysql_stmt_prepare(stmt, sql, strlen(sql));
+
+    if (params != NULL)
+    {
+        if (mysql_stmt_bind_param(stmt, params)) // 11）错误 0）成功
+        {
+            mysql_stmt_close(stmt);
+            return -1;
+        }
+    }
+    if (mysql_stmt_execute(stmt) != 0)
+    {
+        mysql_stmt_close(stmt);
+        return -1;
+    }
+    int ret = mysql_stmt_fetch(stmt);
+    mysql_stmt_close(stmt);
+    return ret; // 返回是影响的行数
+}
+
 int close_mysql()
 {
     if (conn_db != NULL)
diff --git a/router/db.h b/router/db.h
index 8ac2b3f..065f0f2 100644
--- a/router/db.h
+++ b/router/db.h
@@ -18,5 +18,8 @@ extern int result_rows(const char *sql);
 // 插入
 extern int insert(const char *sql, MYSQL_BIND *params);
 
+extern int delete(const char *sql, MYSQL_BIND *params);
+
+
 // 更新
 extern int update(const char *sql, MYSQL_BIND *params);