Access to XMLHttpRequest at xxxx from origin xxx has been blocked by CORS policy: No 'Access-Control- Allow-Origin' header is present on the requested resource
错误:控制台报错 ;

network 自动发起了请求:

解决办法:
找到 \node_modules\sockjs-client\dist\sockjs.js 文件
然后 crtl + g 快捷键跳转到 1603 行 ,把他 注释掉 即可 ;ps:不需要重新启动 ;

Access to XMLHttpRequest at xxxx from origin xxx has been blocked by CORS policy: No 'Access-Control- Allow-Origin' header is present on the requested resource的更多相关文章
- Failed to load http://wantTOgo.com/get_sts_token/: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://fromHere.com' is therefore not allowed access.
Failed to load http://wantTOgo.com/get_sts_token/: No 'Access-Control-Allow-Origin' header is presen ...
- java、ajax 跨域请求解决方案('Access-Control-Allow-Origin' header is present on the requested resource. Origin '请求源' is therefore not allowed access.)
1.情景展示 ajax调取java服务器请求报错 报错信息如下: 'Access-Control-Allow-Origin' header is present on the requested ...
- WCF REST开启Cors 解决 No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost' is therefore not allowed access. The response had HTTP status code 405.
现象: 编写了REST接口: [ServiceContract] public interface IService1 { [OperationContract] [WebInvoke(UriTemp ...
- 跨域问题解决----NO 'Access-Control-Allow-Origin' header is present on the requested resource.Origin'http://localhost:11000' is therfore not allowed access'
NO 'Access-Control-Allow-Origin' header is present on the requested resource.Origin'http://localhost ...
- has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
前端显示: has been blocked by CORS policy: Response to preflight request doesn't pass access control che ...
- .Net Core 处理跨域问题Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource
网页请求报错: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Or ...
- Access to XMLHttpRequest at xxxx from origin ‘null‘ has been blocked by CORS policy:
使用前后端分离的方式创建web项目的时候出现问题: 这是因为 ajax 请求的对应的域在本地的一个文件路径,比如在D盘的某个文件夹,这里存放的都是前端文件: 但是对应的服务器是 localhost 的 ...
- Access to XMLHttpRequest at 'XXX' from origin 'XX' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present o AJAX跨域请求解决方法
今天出现了一个问题找了好久先看代码: 这可能是个BUG吧插入代码: dataType: 'jsonp', crossDomain: true, 最终:
- XMLHttpRequest cannot load ''. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin ' ' is therefore not allowed access.
ajax跨域 禁止访问! 利用Access-Control-Allow-Origin响应头解决跨域请求
- ajax post上传数据时,前端出现的跨域权限问题:ccess to XMLHttpRequest at ‘’rom origin 'null' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: It does not have HTTP ok st
本人前端使用多个框架时,jq ajax传参出现如下报错: 最后发现,可能是xhr的相关默认参数被修改了.顾使用jq 传参时,一直报错,jq ajax额外添加的关键参数: crossDomain: ...
随机推荐
- AI4Science 再填新成员:谷歌推出天气模型MetNet-3 已落地相关产品、谷歌天气预报模型GraphCast登刊Science —— AI天气预报大模型
相关: https://zhidx.com/news/40169.html https://zhidx.com/news/40290.html PS. 要知道,华为公司的最高学术成果就是AI天气预报, ...
- 如何使用强化学习算法解决15-puzzle问题,即所谓的“十五谜题”推盘游戏
相关: https://medium.com/@amshali/15-puzzle-with-reinforcement-learning-8bcfc1aa54e7 什么是15-puzzle问题? 数 ...
- Jupyter 实验室中的 GPU 仪表板
这两天收到了NVIDIA公司推送的新闻: https://developer.nvidia.com/zh-cn/blog/gpu-dashboards-in-jupyter-lab/?ncid=em- ...
- 不符合自身利益的科学讨论是否应该得到尊重—— 读《自家员工质疑Jeff Dean领衔的Nature论文被解雇,谷歌:我们彻查了,质疑不符合标准》有感
读了一篇博文<自家员工质疑Jeff Dean领衔的Nature论文被解雇,谷歌:我们彻查了,质疑不符合标准>,其问大致是说Google提了一篇使用reinforcement learnin ...
- mysql数据库主从同步读写分离(二)读写分离实现
步骤: a.解压文件 b.添加如下配置文件 c.mysql-proxy.conf配置内容如下: 1 [mysql-proxy] 2 admin-username=proxy 3 admin-passw ...
- 【入门教程】5分钟教你快速学会集成Java springboot ~
介绍 Apache DolphinScheduler是一个分布式易扩展的开源分布式调度系统,支持海量数据处理,具有任务流程调度.任务流程编排.任务监控告警.工作流引擎等功能. 本文将介绍如何将Apac ...
- docker安装cdh6.3.2集群(联网版)
一.前言 本次采用的在线安装方式,cdh为6.3.2版本,系统为centos7.4, docker节点可以为任意多个,下文将以3个docker容器为示例进行展示.此方法也可用在docker swarm ...
- CAN学习笔记(一)CAN入门
CAN学习笔记(一)CAN入门 参考链接:https://blog.csdn.net/2301_77952570/article/details/131114941 CAN收发器的作用 发:将TTL电 ...
- Visual Studio Code 配置文件关联
在编写 Linux 的 .service 文件的时候,我发现 .service 文件的本质是 INI 文件.然而 VS Code 却并没有使用 INI 格式进行语法高亮.于是我通过如下设置使 VS C ...
- C#项目—模拟考试
C#模拟考试软件 开发了一个<模拟考试>的小软件,此小软件练习的目的主要是为了体会编程思想,深度理解高内聚.低耦合,掌握编程思维逻辑的大招,告别垃圾代码,重点体会编程之美,练习时长30分钟 ...