在这种水平切分的多数据库上使用DB分布式锁,可以自定义一个DataSouce列表。并暴露一个getConnection(String transactionId)方法,按照transactionId找到对应的Connection。 实现代码如下: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 packagedlock;importcom.alibaba.
importmysql.connector# 连接MySQL数据库cnx=mysql.connector.connect(user='root',password='password',host='localhost',port='3306',database='test')# 获取连接字符串connection_string=cnx.get_connection_params()print(connection_string) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15...
Get-AzMySqlConnectionString -Client ADO.NET -Name mysql-test -ResourceGroupName PowershellMySqlTest Server=mysql-test.mysql.database.azure.com; Port=3306; Database={your_database}; Uid=mysql_test@mysql-test; Pwd={your_password};This cmdlet gets MySql server connection string by resource group...
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Bug #75172 KeyNotFoundException from MySqlConnectionStringBuilder.GetConnectionString Submitted: 11 Dec 2014 8:56Modified: 12 Nov 2015 23:01 Reporter: Andrii Nikitin Email Updates: Status: Can't repeat Impact on me: None Category: Connector / NETSeverity: S3 (Non-critical) Version: 6.9.4...
public string Password2 { get; set; } Property ValueTypeDescription System.String Password3Gets or sets the password for a third authentication that should be used to make a connection.Declarationpublic string Password3 { get; set; } Property ValueTypeDescription System.String ...
services.Add(newServiceDescriptor(typeof(UserContext),newUserContext(Configuration.GetConnectionString("DefaultConnection"))); 4. 新建model类 UsersModel.cs publicclassUsersModel {publicintid {get;set; }publicstringUsers {get;set; }publicstringPassWord {get;set; } }...
Connection conn = DriverManager.getConnection(url, username, password); // 创建语句对象 Statement stmt = conn.createStatement(); // 执行SQL查询 ResultSet rs = stmt.executeQuery("SELECT * FROM table_name"); // 处理查询结果 while (rs.next()) { System.out.println(rs.getString("column_name"...
getString(String name) 获取String类型的值 ,name代表字段的名称 getInt(int index) 获取int类型的值,index代表字段的名称 next() 当前位置到下一行 previous() ResultSet的上一行 absolute(int row) ResultSet的指定位置 建立连接步骤 在写代码之气需要把MySQL的jar包导入到项目中,找到MySQL\Connector J 8.0 中...
{intid=rs.getInt("id");Stringname=rs.getString("name");intage=rs.getInt("age");System.out.println("ID: "+id+", Name: "+name+", Age: "+age);}}catch(SQLExceptione){e.printStackTrace();}finally{// 释放资源try{if(rs!=null)rs.close();if(stmt!=null)stmt.close();if(conn!=...