AJAX 在Django 设置csrf_token

方式一

通过获取隐藏的input标签中的csrfmiddlewaretoken值，放置在data中发送

$.ajax({
  url: "/cookie_ajax/",
  type: "POST",
  data: {
    "username": "Q1mi",
    "password": 123456,
    "csrfmiddlewaretoken": $("[name = 'csrfmiddlewaretoken']").val()  // 使用JQuery取出csrfmiddlewaretoken的值，拼接到data中
  },
  success: function (data) {
    console.log(data);
  }
})

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方式二

通过获取返回的cookie中的字符串 放置在请求头中发送。

注意：需要引入一个jquery.cookie.js插件。

$.ajax({
  url: "/cookie_ajax/",
  type: "POST",
  headers: {"X-CSRFToken": $.cookie('csrftoken')},  // 从Cookie取csrf_token，并设置ajax请求头
  data: {"username": "Q1mi", "password": 123456},
  success: function (data) {
    console.log(data);
  }
})

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方式三

代码复制，到js文件中，然后导入

function getCookie(name) {
    var cookieValue = null;
    if (document.cookie && document.cookie !== '') {
        var cookies = document.cookie.split(';');
        for (var i = 0; i < cookies.length; i++) {
            var cookie = jQuery.trim(cookies[i]);
            // Does this cookie string begin with the name we want?
            if (cookie.substring(0, name.length + 1) === (name + '=')) {
                cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                break;
            }
        }
    }
    return cookieValue;
}
var csrftoken = getCookie('csrftoken');

function csrfSafeMethod(method) {
  // these HTTP methods do not require CSRF protection
  return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
}

$.ajaxSetup({
  beforeSend: function (xhr, settings) {
    if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
      xhr.setRequestHeader("X-CSRFToken", csrftoken);
    }
  }
});

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