
android jtds连接sqlserver NullPointerException 30
Stringsql="jdbc:jtds:sqlserver://localhost:1433;DatabaseName=testDB";Stringuser="sa";...
String sql = "jdbc:jtds:sqlserver://localhost:1433;DatabaseName=testDB";
String user = "sa";
String pwd = "123456";
try{
Class.forName("net.sourceforge.jtds.jdbc.Driver").newInstance();
conn = DriverManager.getConnection(sql, user, pwd);
} catch (ClassNotFoundException e) {
System.out.println("Driver Loading Error!");
} catch (SQLException e) {
System.out.println(e.getMessage());
} catch (Exception e) {
System.out.println(e.getMessage());
}
这样写有哪里不对么?我百度了一晚上,始终是这个问题,会不会是环境不对? 展开
String user = "sa";
String pwd = "123456";
try{
Class.forName("net.sourceforge.jtds.jdbc.Driver").newInstance();
conn = DriverManager.getConnection(sql, user, pwd);
} catch (ClassNotFoundException e) {
System.out.println("Driver Loading Error!");
} catch (SQLException e) {
System.out.println(e.getMessage());
} catch (Exception e) {
System.out.println(e.getMessage());
}
这样写有哪里不对么?我百度了一晚上,始终是这个问题,会不会是环境不对? 展开
1个回答
展开全部
要确认导入MySQL\MySQL Connector J下的mysql-connector-java-5.1.34-bin.jar
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