blocks|key|326413|text|尝试：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|326414|error:+function(xhr,+status,+error)+{
++var+err+=+eval("("+%2B+xhr.responseText+%2B+")");
++alert(err.Message);
}|code-block|syntax|javascript|326415|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Try:

<pre><code>error: function(xhr, status, error) {
 var err = eval("(" + xhr.responseText + ")");
 alert(err.Message);
}
</code></pre>

blocks|key|3295070|text|对我来说，这很简单：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3295071|error:+function(xhr,+status,+error)+{
++alert(xhr.responseText);
}|code-block|syntax|javascript|3295072|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

For me, this simply works:

<pre><code>error: function(xhr, status, error) {
 alert(xhr.responseText);
}
</code></pre>

blocks|key|324747|text|查看请求参数的responseText属性。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|324748|entityMap^0|7|C|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

Look at the <code>responseText</code> property of the request parameter.

blocks|key|3295116|text|正如this+other+answer+and+it's+comments在此页面上最终建议的那样：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3295117|error:+function(xhr,+status,+error)+{
++var+err+=+JSON.parse(xhr.responseText);
++alert(err.Message);
}|code-block|syntax|javascript|3295118|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/1637051/26510^0|2|Z|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

As ultimately suggested by <a href="https://stackoverflow.com/a/1637051/26510">this other answer and it's comments</a> on this page:

<pre><code>error: function(xhr, status, error) {
 var err = JSON.parse(xhr.responseText);
 alert(err.Message);
}
</code></pre>

blocks|key|324803|text|最好的简单方法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|324804|error:+function+(xhr)+{
var+err+=+JSON.parse(xhr.responseText);
alert(err.message);
}|code-block|syntax|javascript|324805|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

The best simple approach :

<pre><code>error: function (xhr) {
var err = JSON.parse(xhr.responseText);
alert(err.message);
}
</code></pre>

blocks|key|3295074|text|这就是对我有效的方法|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3295075|++++function+showErrorMessage(xhr,+status,+error)+{
++++++++if+(xhr.responseText+!=+"")+{

++++++++++++var+jsonResponseText+=+$.parseJSON(xhr.responseText);
++++++++++++var+jsonResponseStatus+=+'';
++++++++++++var+message+=+'';
++++++++++++$.each(jsonResponseText,+function(name,+val)+{
++++++++++++++++if+(name+==+"ResponseStatus")+{
++++++++++++++++++++jsonResponseStatus+=+$.parseJSON(JSON.stringify(val));
+++++++++++++++++++++$.each(jsonResponseStatus,+function(name2,+val2)+{
+++++++++++++++++++++++++if+(name2+==+"Message")+{
+++++++++++++++++++++++++++++message+=+val2;
+++++++++++++++++++++++++}
+++++++++++++++++++++});
++++++++++++++++}
++++++++++++});

++++++++++++alert(message);
++++++++}
++++}|code-block|syntax|javascript|3295076|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This is what worked for me

<pre><code> function showErrorMessage(xhr, status, error) {
 if (xhr.responseText != "") {

 var jsonResponseText = $.parseJSON(xhr.responseText);
 var jsonResponseStatus = '';
 var message = '';
 $.each(jsonResponseText, function(name, val) {
 if (name == "ResponseStatus") {
 jsonResponseStatus = $.parseJSON(JSON.stringify(val));
 $.each(jsonResponseStatus, function(name2, val2) {
 if (name2 == "Message") {
 message = val2;
 }
 });
 }
 });

 alert(message);
 }
 }
</code></pre>

blocks|key|3295081|text|如果想要获取行号的语法错误，请使用以下命令|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|3295082|error:+function(xhr,+status,+error)+{
++alert(error);
}|code-block|syntax|javascript|3295083|entityMap^0|9|4|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

If you want to get Syntax Error with line number, use this

<pre><code>error: function(xhr, status, error) {
 alert(error);
}
</code></pre>

blocks|key|326417|text|你也可以尝试一下：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|326418|$(document).ajaxError(
++++function+(event,+jqXHR,+ajaxSettings,+thrownError)+{
++++++++alert('[event:'+%2B+event+%2B+'],+[jqXHR:'+%2B+jqXHR+%2B+'],+[ajaxSettings:'+%2B+ajaxSettings+%2B+'],+[thrownError:'+%2B+thrownError+%2B+'])');
++++});|code-block|syntax|javascript|326419|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

you can try it too: 

<pre><code>$(document).ajaxError(
 function (event, jqXHR, ajaxSettings, thrownError) {
 alert('[event:' + event + '], [jqXHR:' + jqXHR + '], [ajaxSettings:' + ajaxSettings + '], [thrownError:' + thrownError + '])');
 });
</code></pre>

blocks|key|3295109|text|这将允许您看到整个响应，而不仅仅是"responseText“值|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3295110|error:+function(xhr,+status,+error)+{
++++var+acc+=+[]
++++$.each(xhr,+function(index,+value)+{
++++++++acc.push(index+%2B+':+'+%2B+value);
++++});
++++alert(JSON.stringify(acc));
}|code-block|syntax|javascript|3295111|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This will allow you to see the whole response not just the "responseText" value

<pre><code>error: function(xhr, status, error) {
 var acc = []
 $.each(xhr, function(index, value) {
 acc.push(index + ': ' + value);
 });
 alert(JSON.stringify(acc));
}
</code></pre>

blocks|key|3081935|text|我用了这个，它工作得很好。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3081936|error:+function(xhr,+status,+error){
+++++alertify.error(JSON.parse(xhr.responseText).error);
}|code-block|syntax|javascript|3081937|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I used this, and it worked perfectly. 

<pre><code>error: function(xhr, status, error){
 alertify.error(JSON.parse(xhr.responseText).error);
}
</code></pre>

blocks|key|327401|text|err.responseText包含超文本标记语言标签，你可以很容易地从这些标签中获得错误信息。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|327402|例如：|327403|$(err.responseText)
//+k.fn.init(12)+[text,+title,+text,+meta,+text,+style,+text,+span,+text,+font,+text,+//comment]

$.ajax({
++++async:+bAsync,
++++type:+'POST',
++++url:+pUrl,
++++contentType:+'application/json;+charset=utf-8;',
++++dataType:+'json',
++++data:+pData,
++++success:+fn,
++++error:+function(err)+{
++++++++alert(+$($(err.responseText)[1]).text()+)
++++++++debugger;
++++}
});|code-block|syntax|javascript|327404|entityMap^0|0|G|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|R|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|S|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|N|$]]

<code>err.responseText</code> contain HTML tags you can get error message from these tags easily... 
For example:
<pre><code>$(err.responseText)
// k.fn.init(12) [text, title, text, meta, text, style, text, span, text, font, text, //comment]

$.ajax({
 async: bAsync,
 type: 'POST',
 url: pUrl,
 contentType: 'application/json; charset=utf-8;',
 dataType: 'json',
 data: pData,
 success: fn,
 error: function(err) {
 alert( $($(err.responseText)[1]).text() )
 debugger;
 }
});
</code></pre>

blocks|key|326421|text|如果你没有网络错误，并且想要从后端出现一个错误，例如权限不足，可以用200和一条错误消息来服务器你的响应。然后在成功处理程序中检查data.status+==+'error‘|type|unstyled|depth|inlineStyleRanges|entityRanges|data|326422|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

If you're not having a network error, and wanting to surface an error from the backend, for exmple insufficient privileges, server your response with a 200 and an error message. Then in your success handler check data.status == 'error'

I am sending an error response to my jQuery.
However, I can not get the response text (in the example below this would be Gone to the beach)

The only thing jQuery says is 'error'.

See this example for details:

php

<pre><code>&lt;?
 header('HTTP/1.1 500 Internal Server Error');
 print "Gone to the beach"
?&gt;
</code></pre>

jQuery

<pre><code>$.ajax({
 type: "post",
 data: {id: 0},
 cache: false,
 url: "doIt.php",
 dataType: "text",
 error: function (request, error) {
 console.log(arguments);
 alert(" Can't do because: " + error);
 },
 success: function () {
 alert(" Done ! ");
 }
});
</code></pre>

Now my result ist:

log:

<pre><code> [XMLHttpRequest readyState=4 status=500, "error", undefined]
</code></pre>

alert:

<blockquote>
 Can't do because: error
</blockquote>

Any ideas?

How to get the jQuery $.ajax error response text?

服务器

jQuery

JSON

我正在向我的jQuery发送错误响应。然而，我不能得到响应文本(在下面的例子中，这将是去海滩的)jQuery说的唯一一件事就是“错误”。有关详细信息，请参阅此示例：php<? header('HTTP/1.1 500 Internal Server Error'); print "Gone to the beach"?>jQuery$.ajax({ type: "post

问如何获取jQuery $.ajax错误响应文本？
EN

回答 12

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问如何获取jQuery $.ajax错误响应文本？EN

回答 12

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问如何获取jQuery $.ajax错误响应文本？
EN