execute、executeUpdate、executeQuery三者的區別及返回值
阿新 • • 發佈：2019-02-18
{
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
conn = DriverManager.getConnection("jdbc:sqlserver://localhost:1433;databaseName=Test;user=sa;password=sasa");
stm = conn.createStatement();
boolean ret = stm.execute("select * from stuinfo");
if(ret){
rs = stm.getResultSet();
System.out.println("姓名："+rs.getString("stuName")+"\t年齡："+rs.getString("stuScore"));
}
}
ret = stm.execute("update stuinfo set stuScore=62 where stuname='張三'");
int count = stm.getUpdateCount();
if(!ret){
System.out.println(count+"條資料修改成功！");
}
}
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); conn = DriverManager.getConnection("jdbc:sqlserver://localhost:1433;databaseName=Test;user=sa;password=sasa"); stm = conn.createStatement(); boolean ret = stm.execute("select * from stuinfo"); if(ret){ rs = stm.getResultSet(); System.out.println("姓名："+rs.getString("stuName")+"\t年齡："+rs.getString("stuScore")); } } ret = stm.execute("update stuinfo set stuScore=62 where stuname='張三'"); int count = stm.getUpdateCount(); if(!ret){ System.out.println(count+"條資料修改成功！"); } }