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  • DButils实现查询和新增

        
        public static Adttendance DBSql(String data) throws SQLException {
        String url = "jdbc:mysql://localhost:3306/attendance?useUnicode=true&characterEncoding=utf8";
           String uid = "root";
           String pwd = "";
           Adttendance adttendance=null;
           if (DbUtils.loadDriver("com.mysql.jdbc.Driver")) {
           java.sql.Connection conn = DriverManager.getConnection(url, uid, pwd);
           String sql="select attrs from WT where id =?";
           QueryRunner runner=new QueryRunner();
           adttendance = (Adttendance) runner.query(conn, sql, new BeanHandler<Adttendance>(Adttendance.class), data);  
           System.out.println(adttendance.getAttrs()); 
           DbUtils.close(conn);
          }
        return adttendance;
        }
        
        public static int insertUser(Object schemaID,String data) throws SQLException
        {
            String url = "jdbc:mysql://localhost:3306/attendance?useUnicode=true&characterEncoding=utf8";
            String uid = "root";
            String pwd = "";
            int insertNum = 0;
            if(DbUtils.loadDriver("com.mysql.jdbc.Driver"))
            {
                java.sql.Connection conn = DriverManager.getConnection(url, uid, pwd);
                String sql = "insert into wt values(" + null + ",'" +schemaID + "','考勤表','描述信息','" + data + "','kq')";
                QueryRunner runner = new QueryRunner();
                insertNum = runner.update(conn, sql);
                // adttendance = runner.query(conn, sql, new BeanHandler<Adttendance>(Adttendance.class), data);
                // System.out.println(adttendance.getAttrs());
                DbUtils.close(conn);
            }
            return insertNum;
        }
        
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  • 原文地址:https://www.cnblogs.com/jym-sunshine/p/4813203.html
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