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How to set a Header field on POST a form?

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情书的邮戳
情书的邮戳 2020-11-27 04:08

How can I set a custom field in POST header on submit a form?

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  • 时光说笑
    2020-11-27 05:00

    To add into every ajax request, I have answered it here: https://stackoverflow.com/a/58964440/1909708

    To add into particular ajax requests, this' how I implemented:

    var token_value = $("meta[name='_csrf']").attr("content");
var token_header = $("meta[name='_csrf_header']").attr("content");
$.ajax("some-endpoint.do", {
 method: "POST",
 beforeSend: function(xhr) {
  xhr.setRequestHeader(token_header, token_value);
 },
 data: {form_field: $("#form_field").val()},
 success: doSomethingFunction,
 dataType: "json"
});

    You must add the meta elements in the JSP, e.g.

    <html>
<head>        
    <!-- default header name is X-CSRF-TOKEN -->
    <meta name="_csrf_header" content="${_csrf.headerName}"/>
    <meta name="_csrf" content="${_csrf.token}"/>

    To add to a form submission (synchronous) request, I have answered it here: https://stackoverflow.com/a/58965526/1909708

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  • 半阙折子戏
    2020-11-27 05:04

    You could use $.ajax to avoid the natural behaviour of <form method="POST">. You could, for example, add an event to the submission button and treat the POST request as AJAX.

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