ajax跨域请求错误

解决：
　　springboot中：
　　　　加注解 @CrossOrigin

Access to XMLHttpRequest at 'http://localhost:8090/user/getotp' from origin 'null' 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

  1. 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 ...

  2. 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: ...

  3. 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 ...

  4. 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 ...

  5. 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 ...

  6. 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 ...

  7. 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 ...

  8. .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 ...

  9. 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:

随机推荐

  1. DBUtil连接数据库

    1. SQL server连接: 数据库不同架包就不同 SQL server 使用的架包是(sqljdbc4.jar) 2. Mysql (MariaDB同理) SQL server 使用的架包是(m ...

  2. [.NET] 一步步打造一个简单的 MVC 电商网站 - BooksStore（一） (转)

    http://www.cnblogs.com/liqingwen/p/6640861.html 一步步打造一个简单的 MVC 电商网站 - BooksStore(一) 本系列的 GitHub地址:ht ...

  3. js-dialog

    依赖 jquery.js dialog.js dialog-plus.js ui-dialog.css 实例 <!DOCTYPE html> <html> <head&g ...

  4. MySQL InnoDB存储引擎大观

    转的一篇文章作者:七把刀链接:https://www.jianshu.com/p/d4cc0ea9d097 MySQL InnoDB 引擎现在广为使用,它提供了事务,行锁,日志等一系列特性,本文分析下 ...

  5. C# WindowService 安装和卸载

    安装脚本 install.bat 内容 @echo 安装WindowService%SystemRoot%\Microsoft.NET\Framework\v2.0.50727\installutil ...

  6. Linux系统封装成iso文件

    #安装所需软件包yum -y install createrepo mkisofs anaconda-runtime 根据root下的install.log文件,得到安装的软件包awk '/Insta ...

  7. Linux下ping: unknown host www.baidu.com的解决办法

    如果ping域名的时候出现ping:unknown host  xxx.xxx 但是ping IP地址的时候可以通的话 可知是dns服务器没有配置好, 查看一下配置文件/etc/resolv.conf ...

  8. element-ui--按需引入

    参考链接:https://www.cnblogs.com/qiezuimh/p/10103522.html

  9. flask的session基础认识

    from flask import Flask,session from datetime import timedelta import os app = Flask(__name__) app.c ...

  10. Windows环境下安装Hadoop+Hive的使用案例

    Hadoop安装: 首先到官方下载官网的hadoop2.7.7,链接如下 https://mirrors.tuna.tsinghua.edu.cn/apache/hadoop/common/ 找网盘的 ...