post 请求,headers里有属性(xxx).请求时报错: XMLHttpRequest cannot load <url>. Request header field xxx is not allowed by Access-Control-Allow-Headers in preflight response. 解决:在后端的Access-Control-Allow-Headers里,添加该 field.…
在做项目时,用到axios,数据用post提交时,老是报错,错误提示为: Access to XMLHttpRequest at 'http://127.0.0.1:3000/api/add' from origin 'http://localhost:8080' has been blocked by CORS policy: Request header field content-type is not allowed by Access-Control-Allow-Headers in…
FAQ: Failed to load http://www.erpshop.com/index.php: Request header field Content-Type is not allowed by Access-Control-Allow-Headers in preflight response. 解决方案: ajax请求时,加上对服务器请求数据格式的限制: contentType : "application/x-www-form-urlencoded" //发送给服…
我猜想是可能是连接的用户权限问题.结果这样子操作mysql库,可以解决此问题.在本机登入mysql后,更改 “mysql” 数据库里的 “user” 表里的 “host” 项,从”localhost”改称'%'..mysql -u root -pmysql>use mysql;mysql>select 'host' from user where user='root';mysql>update user set host = '%' where user ='root';mysql&g…
注意,如果 jenkins构建报错:Please make sure you have the correct access rights and the repository exists. 而此时你是使用的SSH地址进行clone的,请改用HTTP地址去clone代码!!![内网推荐使用] =========================================================================== 一.在源码管理下,设置gitlab上的项目clone…
Golang 在使用匿名成员初始化时,如果出现 mixture of field:value and value initializers 是因为初始化的方式不对,见代码: package main import ( "fmt" ) type Person struct { Name string Age int Sex string } type Student struct { Person Id string Grade string } func main() { s1 :=…