DButils实现查询和新增

it2025-01-17  21

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;     }     

转载于:https://www.cnblogs.com/jym-sunshine/p/4813203.html

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