Java代码如下:0. ResultSet rs; //定义结果集
1. String sql; //SQL 2. sql = "select data from tree"
3. rs = db.getResult(sql); //执行SQL
4. str = rs.getString("data"); //将当前行的data列值存入 String对象str中
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为何4行提示错误,错在哪,应怎样做?
1. String sql; //SQL 2. sql = "select data from tree"
3. rs = db.getResult(sql); //执行SQL
4. str = rs.getString("data"); //将当前行的data列值存入 String对象str中
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为何4行提示错误,错在哪,应怎样做?
try
{
str=rs.getString("date");
}
catch(SQLException exl)
{
;
}就OK了
谢谢