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  • java连接sqlserver数据库

    package com.ziyun.cms.util;
    
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.sql.Statement;
    
    import lombok.extern.slf4j.Slf4j;
    
    @Slf4j
    public class SqlServerUtil {
        private static final String DRIVER = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
        private static final String URL = "jdbc:sqlserver://localhost:1433;databasename=";
        private static final String DATABASE_NAME = "test";
        private static final String USER_NAME = "sa";
        private static final String PASSWORD = "123456";
        
        public static void main(String[] args) {
            query();
        }
        
        public static void query(){
            ResultSet rs = null;
            Statement stmt = null;
            Connection conn = null;
            try{
                Class.forName(DRIVER);           
                conn = DriverManager.getConnection(URL+DATABASE_NAME,USER_NAME,PASSWORD);
                //新建一个查询
                stmt = conn.createStatement();
                //执行查询-->>返回一个结果集
                rs = stmt.executeQuery("select * from dbo.t_user");    //括号里可以写相关的SQL语句,并把查询到的所有,放到一个rs集合里
                while (rs.next() ) {
                     log.info(rs.getString(1).trim() + "   " + rs.getString(2).trim()+ "   " + rs.getString(3).trim());
                }
            }catch(ClassNotFoundException e){
                log.error("驱动问题{}", e.getMessage());
            }catch(SQLException e){
                log.error("发生异常:{}", e.getMessage());
            }finally {
                if(rs != null) {
                    try {
                        rs.close();
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                }
                if(stmt != null) {
                    try {
                        stmt.close();
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                }
                if(conn != null) {
                    try {
                        conn.close();
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
        
        public static boolean testConnect(){
            ResultSet rs = null;
            Statement stmt = null;
            Connection conn = null;
            try{
                Class.forName(DRIVER);           
                conn = DriverManager.getConnection(URL+DATABASE_NAME,USER_NAME,PASSWORD);
                return true;
            }catch(ClassNotFoundException e){
                log.error("驱动问题{}", e.getMessage());
            }catch(SQLException e){
                log.error("发生异常:{}", e.getMessage());
            }finally {
                if(rs != null) {
                    try {
                        rs.close();
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                }
                if(stmt != null) {
                    try {
                        stmt.close();
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                }
                if(conn != null) {
                    try {
                        conn.close();
                    } catch (SQLException e) {
                        e.printStackTrace();
                    }
                }
            }
            return false;
        }
        
    }

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  • 原文地址:https://www.cnblogs.com/shihaiming/p/14778286.html
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