java: DAL using SQL Server

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---角色类型表RoleType Geovin Du 涂聚文 IF EXISTS (select * from sysobjects where id = object_id(N'[dbo].[RoleTypeList]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) DROP TABLE [RoleTypeList] GO CREATE TABLE RoleTypeList (    RoleType INT IDENTITY(1,1) PRIMARY KEY,    RoleTypeName NVARCHAR(50) NOT NULL,    RoleTypeDescribe NTEXT NULL ) GO   insert into RoleTypeList(RoleTypeName,RoleTypeDescribe) values(N'系统管理',N'超级权限'); insert into RoleTypeList(RoleTypeName,RoleTypeDescribe) values(N'管理层',N'高级权限'); insert into RoleTypeList(RoleTypeName,RoleTypeDescribe) values(N'普通员工',N'一般用户'); go   select * from RoleTypeList go     IF EXISTS (SELECT * FROM sysobjects WHERE [name] = 'dbo.proc_Select_RoleTypeListAll') DROP PROCEDURE dbo.proc_Select_RoleTypeListAll GO CREATE PROCEDURE dbo.proc_Select_RoleTypeListAll AS SELECT * FROM dbo.RoleTypeList GO     exec proc_Select_RoleTypeListAll go     IF EXISTS (SELECT * FROM sysobjects WHERE [name] = 'dbo.proc_Insert_Operation') DROP PROCEDURE dbo.proc_Insert_Operation GO CREATE PROCEDURE dbo.proc_Insert_Operation (           @RoleTypeName NVarChar(50),     @RoleTypeDescribe NVarChar(200) ) AS INSERT INTO dbo.RoleTypeList (           RoleTypeName ,     RoleTypeDescribe )     VALUES (           @RoleTypeName ,     @RoleTypeDescribe ) GO     IF EXISTS (SELECT * FROM sysobjects WHERE [name] = 'dbo.proc_Insert_RoleTypeListOutput') DROP PROCEDURE dbo.proc_Insert_RoleTypeListOutput GO CREATE PROCEDURE dbo.proc_Insert_RoleTypeListOutput (     @RoleTypeName NVarChar(50),     @RoleTypeDescribe NVarChar(200),     @RoleType int  output ) AS INSERT INTO dbo.RoleTypeList (     RoleTypeName ,     RoleTypeDescribe   )     VALUES (     @RoleTypeName ,     @RoleTypeDescribe   ) select @RoleType=@@IDENTITY GO     IF EXISTS (SELECT * FROM sysobjects WHERE [name] = 'dbo.proc_Update_RoleTypeList') DROP PROCEDURE dbo.proc_Update_RoleTypeList GO CREATE PROCEDURE dbo.proc_Update_RoleTypeList (     @RoleTypeName NVarChar(50),     @RoleTypeDescribe NVarChar(200),     @RoleType int  ) AS UPDATE dbo.RoleTypeList     SET         [RoleTypeName]=@RoleTypeName ,         [RoleTypeDescribe]=@RoleTypeDescribe     where         RoleType =@RoleType GO   IF EXISTS (select * from sysobjects where [name] = 'dbo.proc_Delete_RoleTypeList') DROP PROCEDURE dbo.proc_Delete_RoleTypeList GO CREATE PROCEDURE dbo.proc_Delete_RoleTypeList (     @RoleType Int ) as DELETE     dbo.RoleTypeList     WHERE         RoleType = @RoleType GO     IF EXISTS (SELECT * FROM sysobjects WHERE [name] = 'dbo.proc_Select_RoleTypeList') DROP PROCEDURE dbo.proc_Select_RoleTypeList GO CREATE PROCEDURE dbo.proc_Select_RoleTypeList (     @RoleType Int ) AS SELECT * FROM dbo.RoleTypeList WHERE RoleType = @RoleType GO

　　

DAL:

 

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/*  * 版权所有 2021 涂聚文有限公司  * 许可信息查看：  * 描述：  * IDE:IntelliJ IDEA 2021.2.3  * 历史版本： JDK 14.02  * 2021-12-12 创建者 geovindu  * 2021-12-15 添加 Lambda  * 2021-12-15 修改：date  * 接口类 mssql-jdbc-9.4.1.jre8.jar.  * 数据库：MSSQL Server 2019  * 2021-12-15 修改者：Geovin Du  * 生成API帮助文档的指令：  *javadoc - -encoding Utf-8 -d apidoc DuMsSQLConn.java  *https://www.microsoft.com/en-us/software-download/windows10  *https://github.com/PaddlePaddle/PaddleOCR  *https://docs.microsoft.com/es-es/sql/connect/jdbc/download-microsoft-jdbc-driver-for-sql-server?view=sql-server-ver15  *https://github.com/microsoft/mssql-jdbc/blob/main/README.md    * */     import Geovin.Model.OutValue; import Geovin.Model.RoleTypeList; import java.io.Reader; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.SQLException; import java.sql.Statement; import java.sql.*; import java.util.ArrayList; //import com.microsoft.*;   /**  * @author geovindu  * @version 1.0  *  * */ public class DuMsSqlConn {             //数据库地址     //1 可以用     //String url = "jdbc:sqlserver://127.0.0.1:1433;DataBaseName=geovindu";  //GEOVINDU  //localhost  127.0.0.1:1433     //2     String url = "jdbc:sqlserver://GEOVINDU;DataBaseName=geovindu";       //1     String connectionUrl = "jdbc:sqlserver://GEOVINDU;databaseName=geovindu;user=sa;password=geovindu";     //     String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";  //com.mysql.cj.jdbc.Driver  //com.mysql.jdbc.Driver "com.microsoft.sqlserver.jdbc.SQLServerDriver     //     String userName = "sa";     //     String password = "geovindu";     Connection con;     Statement stmt = null; //proc     PreparedStatement pstmt=null; //SQl     CallableStatement cstmt=null; //PRoc       /**      * 连接      *      * */     public Connection getConnection()     {           try {             Class.forName(driverName);             //System.out.println("Ms SQL 数据库驱动加载成功");         } catch         (ClassNotFoundException e)         {             e.printStackTrace();         }         try         {               con = DriverManager.getConnection(connectionUrl);             //2 第二种方法             //con = DriverManager.getConnection(url,userName,password);            // System.out.println("Ms SQL数据库连接成功");             //2             //stmt = con.createStatement();              // con.getMetaData()             /*             String sql;             sql = "SELECT RoleType,RoleTypeName,RoleTypeDescribe  FROM RoleTypeList";             pstmt=con.prepareStatement(sql);             //2            // ResultSet rs = stmt.executeQuery(sql);             ResultSet rs =pstmt.executeQuery();             // 展开结果集数据库             while(rs.next()){                 // 通过字段检索                 int typid  = rs.getInt("RoleType");                 String rolename = rs.getString("RoleTypeName");                 String roledec = rs.getString("RoleTypeDescribe");                   // 输出数据                 System.out.print("角色ID: " + typid);                 System.out.print("  ,  角色名字: " + rolename);                 System.out.print("  , 角色描述: " + roledec);                 System.out.print("\n");             }             // 完成后关闭             rs.close();             stmt.close();             con.close();              */         }         catch (SQLException e)         {             e.printStackTrace();         }         return con;       }     /**      *SQL 语句查询所有      * @param      * @return  返回集合      * */     public ArrayList<RoleTypeList> selectSqlAll()     {         ArrayList<RoleTypeList> alist=new ArrayList<RoleTypeList>();         RoleTypeList roleTypeList=null;         ResultSet resultSet=null;         try {             Connection connection = getConnection();             String sql;             sql = "SELECT RoleType,RoleTypeName,RoleTypeDescribe  FROM RoleTypeList";             pstmt = con.prepareStatement(sql);             //2             // rs = stmt.executeQuery(sql);             resultSet = pstmt.executeQuery();             // 展开结果集数据库             while (resultSet.next()) {                 // 通过字段检索                 roleTypeList=new RoleTypeList();                 roleTypeList.setRoleType(resultSet.getInt("RoleType"));                 roleTypeList.setRoleTypeName(resultSet.getString("RoleTypeName"));                 roleTypeList.setRoleTypeDescribe(resultSet.getString("RoleTypeDescribe"));                 alist.add(roleTypeList);             }         }         catch (SQLException exception)         {             exception.printStackTrace();         }         return  alist;     }       /**      *存储过程  查询所有      * @param      * @return  返回集合      * */     public  ArrayList<RoleTypeList> selectProclAll()     {         ArrayList<RoleTypeList> alist=new ArrayList<RoleTypeList>();         RoleTypeList roleTypeList=null;         ResultSet resultSet=null;         try {             Connection connection = getConnection();             String sql;             sql = "{ call proc_Select_RoleTypeListAll}";             //pstmt = con.prepareStatement(sql);               cstmt=con.prepareCall(sql);             //2             //  resultSet = stmt.executeQuery(sql);             // resultSet = pstmt.executeQuery();              resultSet = cstmt.executeQuery();             // 展开结果集数据库             while (resultSet.next()) {                 // 通过字段检索a                 roleTypeList=new RoleTypeList();                 roleTypeList.setRoleType(resultSet.getInt("RoleType"));                 roleTypeList.setRoleTypeName(resultSet.getString("RoleTypeName"));                 roleTypeList.setRoleTypeDescribe(resultSet.getString("RoleTypeDescribe"));                 alist.add(roleTypeList);             }         }         catch (SQLException exception)         {             exception.printStackTrace();         }         return alist;     }     /**      *添加      * @param roleTypeList      * @return      * */     public int AddSQL(RoleTypeList roleTypeList)     {         int isok=0;         try {             Connection connection = getConnection();             String sql;             sql = "INSERT INTO dbo.RoleTypeList(RoleTypeName ,RoleTypeDescribe) VALUES(? ,?)";             pstmt = con.prepareStatement(sql);            // pstmt.setInt(1,roleTypeList.getRoleType());             pstmt.setString(1,roleTypeList.getRoleTypeName());             pstmt.setString(2, roleTypeList.getRoleTypeDescribe());             //2             // rs = stmt.executeQuery(sql);             isok = pstmt.executeUpdate();           }         catch (SQLException exception)         {             exception.printStackTrace();         }           return  isok;       }       /**      *添加  存储过程      * @param roleTypeList      * @return      * */     public int AddProc(RoleTypeList roleTypeList)     {           //SQLServerCallableStatement         int isok=0;         try {             Connection connection = getConnection();             String sql;             sql = "{call proc_Insert_Operation(? ,?)}";             //pstmt = con.prepareStatement(sql);              cstmt=con.prepareCall(sql);             // pstmt.setInt(1,roleTypeList.getRoleType());             cstmt.setString(1,roleTypeList.getRoleTypeName());             cstmt.setString(2, roleTypeList.getRoleTypeDescribe());             //2             // rs = stmt.executeQuery(sql);             isok = cstmt.executeUpdate();           }         catch (SQLException exception)         {             exception.printStackTrace();         }           return  isok;       }     /**      *添加 返回      * @param roleTypeList      * @param outValue  返回值 不成功      * */     public int AddSQLOut(RoleTypeList roleTypeList, OutValue outValue)     {         int isok=0;         try {             Connection connection = getConnection();             String sql;             sql = "INSERT INTO dbo.RoleTypeList(RoleTypeName ,RoleTypeDescribe) VALUES(? ,?)";             pstmt = con.prepareStatement(sql);             // pstmt.setInt(1,roleTypeList.getRoleType());             pstmt.setString(1,roleTypeList.getRoleTypeName());             pstmt.setString(2, roleTypeList.getRoleTypeDescribe());             //2             // rs = stmt.executeQuery(sql);             isok = pstmt.executeUpdate();             String sql2="select @@IDENTITY";             PreparedStatement preparedStatement=null;             preparedStatement=con.prepareStatement(sql2);              //cstmt= connection.prepareCall(sql2);              ResultSet resultSet=preparedStatement.executeQuery();    //cstmt.executeQuery();              outValue.setIntValue(resultSet.getInt(1));           }         catch (SQLException exception)         {             exception.printStackTrace();         }           return  isok;       }     /**      *添加反回值      * @param roleTypeList      * @param outValue      * @return      * */     public int AddProcOut(RoleTypeList roleTypeList, OutValue outValue)     {           //SQLServerCallableStatement         int isok=0;         try {             Connection connection = getConnection();             String sql;             sql = "{call proc_Insert_RoleTypeListOutput(? ,?,?)}";             //pstmt = con.prepareStatement(sql);             cstmt=con.prepareCall(sql);             // pstmt.setInt(1,roleTypeList.getRoleType());             cstmt.setString(1,roleTypeList.getRoleTypeName());             cstmt.setString(2, roleTypeList.getRoleTypeDescribe());             cstmt.registerOutParameter(3,Types.INTEGER);             //2             //             //cstmt.execute();//             isok=cstmt.executeUpdate();            // System.out.println(cstmt.getInt(3));             outValue.setIntValue(cstmt.getInt(3));            // isok =1;         }         catch (SQLException exception)         {             exception.printStackTrace();         }           return  isok;       }       /**      *更新      * @param roleTypeList      * @return      * */     public int  UpdateSQL(RoleTypeList roleTypeList)     {         int isok=0;         try {             Connection connection = getConnection();             String sql;             sql = "UPDATE dbo.RoleTypeList set RoleTypeName=? ,RoleTypeDescribe=? where RoleType=?";             pstmt = con.prepareStatement(sql);             // pstmt.setInt(1,roleTypeList.getRoleType());             pstmt.setString(1,roleTypeList.getRoleTypeName());             pstmt.setString(2, roleTypeList.getRoleTypeDescribe());             pstmt.setInt(3,roleTypeList.getRoleType());             //2             // rs = stmt.executeQuery(sql);             isok = pstmt.executeUpdate();           }         catch (SQLException exception)         {             exception.printStackTrace();         }           return  isok;       }       /**      *更新  存储过程      * @param roleTypeList      * @return      * */     public int UpdateProc(RoleTypeList roleTypeList)     {           //SQLServerCallableStatement         int isok=0;         try {             Connection connection = getConnection();             String sql;             sql = "{call proc_Update_RoleTypeList(? ,?,?)}";             //pstmt = con.prepareStatement(sql);             cstmt=con.prepareCall(sql);             // pstmt.setInt(1,roleTypeList.getRoleType());             cstmt.setString(1,roleTypeList.getRoleTypeName());             cstmt.setString(2, roleTypeList.getRoleTypeDescribe());             cstmt.setInt(3,roleTypeList.getRoleType());             //2             // rs = stmt.executeQuery(sql);             isok = cstmt.executeUpdate();           }         catch (SQLException exception)         {             exception.printStackTrace();         }           return  isok;       }         /**      *删除      * @param id      * @return      * */     public int  DeleteSQL(int id)     {         int isok=0;         try {             Connection connection = getConnection();             String sql;             sql = "DELETE dbo.RoleTypeList WHERE RoleType =?";             pstmt = con.prepareStatement(sql);             // pstmt.setInt(1,roleTypeList.getRoleType());             pstmt.setInt(1,id);             //2             // rs = stmt.executeQuery(sql);             isok = pstmt.executeUpdate();           }         catch (SQLException exception)         {             exception.printStackTrace();         }           return  isok;       }       /**      *删除 存储过程      * @param id      * @return      * */     public int  DeleteProc(int id)     {           //SQLServerCallableStatement         int isok=0;         try {             Connection connection = getConnection();             String sql;             sql = "{call proc_Delete_RoleTypeList(?)}";             //pstmt = con.prepareStatement(sql);             cstmt=con.prepareCall(sql);             // pstmt.setInt(1,roleTypeList.getRoleType());               cstmt.setInt(1,id);             //2             // rs = stmt.executeQuery(sql);             isok = cstmt.executeUpdate();           }         catch (SQLException exception)         {             exception.printStackTrace();         }           return  isok;       }     /**      *查询      * @param id      * @return       * **/     public RoleTypeList selectIdSql(int id)     {           RoleTypeList roleTypeList=null;         ResultSet resultSet=null;         try {             Connection connection = getConnection();             String sql;             sql = "SELECT RoleType,RoleTypeName,RoleTypeDescribe  FROM RoleTypeList where RoleType=?";             pstmt = con.prepareStatement(sql);             pstmt.setInt(1,id);             //2             // rs = stmt.executeQuery(sql);             resultSet = pstmt.executeQuery();             // 展开结果集数据库             while (resultSet.next()) {                 // 通过字段检索                 roleTypeList=new RoleTypeList();                 roleTypeList.setRoleType(resultSet.getInt("RoleType"));                 roleTypeList.setRoleTypeName(resultSet.getString("RoleTypeName"));                 roleTypeList.setRoleTypeDescribe(resultSet.getString("RoleTypeDescribe"));               }         }         catch (SQLException exception)         {             exception.printStackTrace();         }         return  roleTypeList;     }       /**      *存储过程  查询      * @param id      * @return      * */     public  RoleTypeList selectIdProcl(int id)     {           RoleTypeList roleTypeList=null;         ResultSet resultSet=null;         try {             Connection connection = getConnection();             String sql;             sql = "{call proc_Select_RoleTypeList(?)}";             //pstmt = con.prepareStatement(sql);             cstmt=con.prepareCall(sql);             cstmt.setInt(1,id);             //2             //  resultSet = stmt.executeQuery(sql);             // resultSet = pstmt.executeQuery();             resultSet = cstmt.executeQuery();             // 展开结果集数据库             while (resultSet.next()) {                 // 通过字段检索a                 roleTypeList=new RoleTypeList();                 roleTypeList.setRoleType(resultSet.getInt("RoleType"));                 roleTypeList.setRoleTypeName(resultSet.getString("RoleTypeName"));                 roleTypeList.setRoleTypeDescribe(resultSet.getString("RoleTypeDescribe"));               }         }         catch (SQLException exception)         {             exception.printStackTrace();         }         return roleTypeList;     }         }

　　

测试：

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//     public static void main(String[] args) {             DuMsSqlConn msqlcon=new DuMsSqlConn();           RoleTypeList info=new RoleTypeList();        // info.setRoleTypeName("geovindu");        // info.setRoleTypeDescribe("测试");        // info.setRoleTypeName("涂聚文");        // info.setRoleTypeDescribe("测试2");         //info.setRoleType(14);        // info.setRoleTypeName("江西涂");        // info.setRoleTypeDescribe("江333 ");          // int ok=msqlcon.AddSQL(info);         //int ok=msqlcon.AddProc(info);         OutValue outValue=new OutValue();         //int ok=msqlcon.AddProcOut(info,outValue);         //int ok=msqlcon.UpdateSQL(info);         //int ok=msqlcon.UpdateProc(info);          //int ok=msqlcon.DeleteSQL(15);         //int ok=msqlcon.DeleteProc(14);         //info=msqlcon.selectIdSql(1);         info=msqlcon.selectIdProcl(1);         int ok=1;         if(ok>0)         {             System.out.println("add ok"+outValue.getIntValue()+info.getRoleTypeName());         }         else         {             System.out.println("add no"+outValue.getIntValue());         }           ArrayList<RoleTypeList> list=new ArrayList<RoleTypeList>();        //list= msqlcon.selectSqlAll();         list= msqlcon.selectProclAll();         for(RoleTypeList roleTypeList:list)         {             System.out.println("id:" +                     +roleTypeList.getRoleType()+" Name:"+roleTypeList.getRoleTypeName()+" Decs:"+roleTypeList.getRoleTypeDescribe());         }         }