为什么在空格中用字符串替换加号

问题描述：

I am using ajax to send data through an AJAX call to set.php:

$.ajax({
    url: "ajax/set.php",
    dataType: "html",
    type: 'POST',
    data: "data=" + data,
    success: function (result) {
        alert(result);

    }
});

Before sending the AJAX call, I am using JavaScript to alert() the data, the data is:

JeCH+2CJZvAbH51zhvgKfg==

But when I use $_POST["data"], the data is:

JeCH 2CJZvAbH51zhvgKfg==

Which displays pluses replaced with spaces, how can I solve this problem?

我使用ajax通过AJAX调用向set.php发送数据： p>

  $。ajax（{
 url：“ajax / set.php”，
 dataType：“html”，
 type：'POST'，
 data：“data =”+ data，  
成功：函数（结果）{
 alert（结果）; 
 
} 
}）; 
  code>  pre> 
 
 在发送AJAX调用之前，我 我使用JavaScript来 alert（） code>数据，数据是： p> 
 
 
  JeCH + 2CJZvAbH51zhvgKfg == 
  code>  pre>  
 
 但是当我使用 $ _ POST [“data”]  code>时，数据为： p> 
 
 
  JeCH 2CJZvAbH51zhvgKfg == 
   code>  pre> 
 
 哪些显示的替换为空格，我该如何解决这个问题？ p> 
  div>

答

When using $.ajax, use an object rather than a string with the data: option. Then jQuery will URL-encode it properly:

data: { data: data },

If you really want to pass a string, you should use encodeURIComponent on any values that might contain special characters:

data: 'data=' + encodeURIComponent(data),

答

I believe you need to encode that + with its URL Encoded value %2B.

To do this, use the replace method.

var data = data.replace(/\+/g, "%2B");

答

Taking a look at the jQuery docs, you can pass an object to data instead of the actual query built by hand. Try:

$.ajax({
    url: "ajax/set.php",
    dataType: "html",
    type: 'POST',
    data: {
        data: data
    },
    success: function (result) {
        alert(result);

    }
});

为什么在空格中用字符串替换加号

相关推荐