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. 如何用MATLAB GUI创建图形用户界面

    MATLAB是众多理工科学生及工程师经常使用的一款数学软件,除了可以实现数据处理,矩阵运算.函数绘制等功能外,MATLAB还可以实现图形用户界面的设计. 下面介绍如何让小白也能用GUI创建最基本的用户 ...

  2. shift and add算法相关

    1.超分辨率 非均匀插值 Farsiu S, Robinson D, Milanfar P. Robust shift and add approach to superresolution[J]. ...

  3. AutoMapUtility

    实体属性自动映射,支持对象间属性值复制和List复制 安装 Install-Package AutoMapUtility -Version 1.0.2 https://github.com/leopa ...

  4. umask 介绍

    umask码 是用户创建文件或目录的初始权限设置值 文件或目录的权限:读: r — 4写: w — 2执行: x — 1 输入umask 查看umask 码 设定umask码,umask 0033 1 ...

  5. python中学习K-Means和图片压缩

    python中学习K-Means和图片压缩 大家在学习python中,经常会使用到K-Means和图片压缩的,我们在此给大家分享一下K-Means和图片压缩的方法和原理,喜欢的朋友收藏一下吧. 通俗的 ...

  6. vs把asp.net旧的项目名称全部修改

    1 先打开项目,把名称全部替换掉,然后把解决方案,程序集名称全部替换掉. 2 重新生成,清理,关闭项目. 3 把.sln文件用文本编辑器打开,替换里面的名称,然后把文件夹名称都修改好.d 4.打开项目 ...

  7. mySQL的简单安装和配置

    MySQL的安装和配置 1.去官网下载mysql-5.6.29-winx64.zip包.地址: http://dev.mysql.com/downloads/mysql/5.6.html 2,把安装包 ...

  8. C++学习笔记-异常处理

    程序设计的要求之一就是程序的健壮性.希望程序在运行时能够不出或者少出问题.但是,在程序的实际运行时,总会有一些因素会导致程序不能正常运行.异常处理(Exception Handling)就是要提出或者 ...

  9. C学习笔记-多源文件的编译

    多源文件的意义 为了精简代码和更好的维护代码,往往需要将一些功能实现的代码与主函数代码分开来 在使用的时候再主函数中调用 多源文件的使用 假设现有my.c和main.c两个源代码文件,现在要再main ...

  10. 关于JavaScript的词法作用域及变量提升的个人理解

    关于JavaScript的作用域,最近听到一个名词:“词法作用域”:以前没有听说过(读书少),记录一下对此的理解,加深印象. 词法作用域:在JavaScript中,一个函数的作用域,在这个函数定义好的 ...