Question

com.microsoft.sqlserver.jdbc.SQLServerException: 结果集已关闭.

这是代码
try {
ResultSet rs = stmt1.executeQuery("SELECT * FROM 词库");
//String s=jt2.getText().trim();
//System.out.print("b");
//System.out.print(rs.next());
while(rs.next()){
word = rs.getString("单词");
mean = rs.getString("释义");
//System.out.print(word.equals(jt1.getText()));
System.out.println(word+" "+mean);
if(!word.equals(jt1.getText())) {
String s1=jt1.getText().trim();
System.out.print(s1);
String s2=jt2.getText().trim();
System.out.print(s2);
String temp="INSERT INTO 词库 VALUES ('"+s1+"','"+s2+"')";
stmt1.executeUpdate(temp);
JOptionPane.showMessageDialog(null,"添加成功！","恭喜",
JOptionPane.WARNING_MESSAGE);
dispose();
}
}

Answer 1

发个全代码把。。代码不全哪中迅不培银知道。。。应该是你已经关闭了sql连接
私信我
打字不易，如满李此意，望采纳。

追问

我把while语句里的if语句拿走就不会出现这种错误，为什么？