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package com.yzy.jdbc.dao;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import oracle.jdbc.OracleTypes;
public class LoginDao {
public boolean loginValidate(String username, String password) {
boolean isValid = false;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
String url = "jdbc:oracle:thin:@127.0.0.1:1521:orcl";
Connection conn = DriverManager.getConnection(url, "scott", "yzy");
CallableStatement cstmt = null;
ResultSet rs = null;
String sql = "{ call p_validate(?,?,?) }";
cstmt = conn.prepareCall(sql);
cstmt.setString(1, username);
cstmt.setString(2, password);
cstmt.registerOutParameter(3, OracleTypes.NUMBER);
cstmt.execute();
long num = cstmt.getLong(3);
if (num > 0) {
isValid = true;
}
} catch (Exception e) {
e.printStackTrace();
}
return isValid;
}
}
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package com.yzy.jdbc.dao;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import oracle.jdbc.OracleTypes;
public class Demo2Dao {
public void query() {
boolean isValid = false;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
String url = "jdbc:oracle:thin:@127.0.0.1:1521:orcl";
Connection conn = DriverManager.getConnection(url, "scott", "yzy");
CallableStatement cstmt = null;
ResultSet rs = null;
String sql = "{ call pack_res.p_g
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