房贷利率计算器

function debx()         等额本息

{

  $dkm  = 360; //贷款月数，20年就是240个月

  $dkTotal = 390000; //贷款总额

  $dknl  = 0.049; //贷款年利率

  $emTotal = $dkTotal * $dknl / 12 * pow(1 + $dknl / 12, $dkm) / (pow(1 + $dknl / 12, $dkm) - 1); //每月还款金额

  $lxTotal = 0; //总利息

  for ($i = 0; $i < $dkm; $i++) {

    $lx  = $dkTotal * $dknl / 12;  //每月还款利息

    $em  = $emTotal - $lx; //每月还款本金

echo "

";
 
 
    echo "第" . ($i + 1) . "期", " 本金:", $em, " 利息:" . $lx, " 总额:" . $emTotal, "
 
 
";
 
 
    $dkTotal = $dkTotal - $em;
 
 
    $lxTotal = $lxTotal + $lx;
 
 
  }
 
 
  echo "总利息:" . $lxTotal;
 
 
}
 
 

 
 

 
 
function debj()     等额本金
 
 
{
 
 
  $dkm  = 360; //贷款月数，20年就是240个月
 
 
  $dkTotal = 600000; //贷款总额
 
 
  $dknl  = 0.049; //贷款年利率
 
 

 
 
  $em  = $dkTotal / $dkm; //每个月还款本金
 
 
  $lxTotal = 0; //总利息
 
 
  for ($i = 0; $i < $dkm; $i++) {
 
 
    $lx  = $dkTotal * $dknl / 12; //每月还款利息
 
 
 echo "
";
 
 
    echo "第" . ($i + 1) . "期", " 本金:", $em, " 利息:" . $lx, " 总额:" . ($em + $lx), "
 
 
";
 
 
    $dkTotal -= $em;
 
 
    $lxTotal = $lxTotal + $lx;
 
 
  }
 
 
  echo "总利息:" . $lxTotal;
 
 
}
 
 

 
 
 debj();