Question

我写了一个简单的jQuery函数来从textarea提交数据。该脚本返回计算结果。我收到一条错误，说没有定义recievedData。使用firebug进行调试时，我可以看到响应。

这是我的jQuery函数。

$('#submitButton').click(
function(evt){
userCode = $('#answer').val();
$.ajax({
type : 'POST',
url : 'scripts/php/check_answer.php',
data : 'code=' + userCode,
dataType : 'text',
success : alert(recievedData)
});
evt.preventDefault;
});

这是php脚本

<?php

//sample string, to be taken as input from the user program.
$str = $_POST['code'];
//the array with the weights
$patterns = array (
    '/[:space]/' => 0, //whitespaces are free; need to add spaces too
    '/[a-zA-Z]/' => 10, //characters
    '/[0-9]/'   => 500, //digits
    '/[\+\-\/\*\%]/' => 10000, //arithmetic operators
    '/[\<\>]/' => 5000, //relational operators
    '/[\^\~\|\&]/' => 1000 , //bitwise operators
    '/[\=]/' => 250, //assignment operator
    '[\#]' => 100000 //No Macros
);

//default weight for characters not found is set here
$default_weight = 55;
$weight_total = 0;
foreach ($patterns as $pattern => $weight)
{
  $match_found =  preg_match_all ($pattern, $str, $match);
  if( $match_found )
  {
     $weight_total += $weight * $match_found;
  }
  else
  {
    //this part needs to be fixed
     $weight_total += $default_weight;
  }
}

echo $weight_total;

?>

Answer 1

写

success:function(data){alert(data);}

Answer 2

使用jquery发布的另一种方式

$('#submitButton').click(
function(evt){
userCode = $('#answer').val();

$.post("scripts/php/check_answer.php", {code: userCode},
   function(data) {
     alert("Data Loaded: " + data);
   });

evt.preventDefault;
});

使用jQuery与php脚本进行通信

2 个答案: