From 91491824ec21cfa21d06ddd004de8887880bcdd4 Mon Sep 17 00:00:00 2001
From: liyansheng <1761724207@qq.com>
Date: Sat, 21 Dec 2024 23:24:33 +0800
Subject: [PATCH] =?UTF-8?q?fix<=E8=B0=83=E6=95=B4=E6=95=B0=E6=8D=AE?=
 =?UTF-8?q?=E5=BA=93=E9=93=BE=E6=8E=A5=E6=BA=90>?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/example/dao/UserDao.java   |  2 +-
 src/main/java/example/utils/DBUtils.java | 18 +++---------------
 src/main/resources/c3p0-config.xml       |  9 +++++++++
 3 files changed, 13 insertions(+), 16 deletions(-)
 create mode 100644 src/main/resources/c3p0-config.xml

diff --git a/src/main/java/example/dao/UserDao.java b/src/main/java/example/dao/UserDao.java
index 8d4cfe5..1a55dce 100644
--- a/src/main/java/example/dao/UserDao.java
+++ b/src/main/java/example/dao/UserDao.java
@@ -43,7 +43,7 @@ public class UserDao {
 
     public static void main(String[] args) throws Exception {
         UserDao userDao = new UserDao();
-        System.out.println(userDao.getUserById(1).getUsername());
+        System.out.println(userDao.getAllUser());
     }
 
 }
diff --git a/src/main/java/example/utils/DBUtils.java b/src/main/java/example/utils/DBUtils.java
index e655f9f..e1269a2 100644
--- a/src/main/java/example/utils/DBUtils.java
+++ b/src/main/java/example/utils/DBUtils.java
@@ -3,22 +3,10 @@ package example.utils;
 import com.mchange.v2.c3p0.ComboPooledDataSource;
 
 public class DBUtils {
-    private static ComboPooledDataSource dataSource;
-
-    static {
-        try {
-            dataSource = new ComboPooledDataSource();
-            dataSource.setDriverClass("com.mysql.cj.jdbc.Driver");
-            dataSource.setJdbcUrl("jdbc:mysql://localhost:3306/work?useSSL=false&serverTimezone=UTC");
-            dataSource.setUser("root");
-            dataSource.setPassword("root");
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
+    // 使用默认配置名 "default-config" 从c3p0-config.xml文件中获取数据源配置
+    private static ComboPooledDataSource dataSource = new ComboPooledDataSource("default-config");
 
     public static ComboPooledDataSource getDataSource() {
         return dataSource;
     }
-
-}
+}
\ No newline at end of file
diff --git a/src/main/resources/c3p0-config.xml b/src/main/resources/c3p0-config.xml
new file mode 100644
index 0000000..89bc494
--- /dev/null
+++ b/src/main/resources/c3p0-config.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<c3p0-config>
+    <default-config>
+        <property name="driverClass">com.mysql.cj.jdbc.Driver</property>
+        <property name="jdbcUrl">jdbc:mysql://localhost:3306/work?serverTimezone=GMT%2B8&amp;useUnicode=true&amp;characterEncoding=utf-8&amp;useSSL=false</property>
+        <property name="user">root</property>
+        <property name="password">root</property>
+    </default-config>
+</c3p0-config>