📄 query.java
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package test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
public class Query {
public static void main(String[] args) {
try {
Class.forName("com.mysql.jdbc.Driver");
Connection myconn = DriverManager.getConnection(
"jdbc:mysql://localhost/booktest", "tom", "rcp");
PreparedStatement rsp = myconn.prepareStatement("select xm,nl,jg,tel from student");
ResultSet rs = rsp.executeQuery();
System.out.println("姓名 " + "年龄 " + "籍贯 " + "电话");
while (rs.next()) {
System.out.println(rs.getString(1) + " " + rs.getString(2) + " "
+ rs.getString(3) + " " + rs.getString(4));
}
rsp.close();
myconn.close();
} catch (Exception e) {e.printStackTrace();}
}
}
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