Usage 中文文档

First, please read the doc about the Middleware in thinkjs.org

Then, config as follows:

npm install think-cors

src/common/bootstrap/middleware.js：

var cors = require("think-cors");
think.middleware("cors", cors);

src/common/config/config.js：

export default {
    cors:{
        origin: '*',
        methods: 'GET,HEAD,PUT,PATCH,POST,DELETE',
        preflightContinue: false 
    }
};

src/common/config/hook.js：

export default {
    request_begin: ['cors']
}

docs

the default config:

{
    origin: '*',
    methods: 'GET,HEAD,PUT,PATCH,POST,DELETE',
    preflightContinue: false 
};

the detail props of config:

{
    origin:"*",                         //Access-Control-Allow-Origin
    methods:"GET,POST",                 //Access-Control-Allow-Methods 
    credentials:true,                   //Access-Control-Allow-Credentials
    allowedHeaders:"x-token,x-uid",     //Access-Control-Allow-Headers
    exposedHeaders:"xx,yy",             //Access-Control-Expose-Headers
    maxAge:1000,                        //Access-Control-Max-Age  for the OPTIONS request
    preflightContinue:true              // for the OPTIONS request 
    exclude:[]
}

Config Item

origin

simple config:

{
    origin:"*"
}

-

{
    origin:"http://youdomain.com"
}

-

{
    origin:true  //  set the origin header as yours request domain
}

-

{
        origin:false  // disabled cors
}

complex config:

{
    origin:[

        "http://youdomain.cn",

        /^http\:\/\/(.+\.)?thinkjs.org$/

    ]

}

exclude config:

the config value like this. http://yours.domain.com/xxxx/yyyy => /xxxx/yyyy

{
    exclude:[

        "/xxxx/yyyy",

        /^xxxxxxxx$/   , // the value regex

    ]

}

methods

1- default as  'GET,HEAD,PUT,PATCH,POST,DELETE'
2- set as yours method :

    {
        method:'GET,POST'
    }

credentials

1- default as false
2- set as:
    {
        credentials: true // true or false
    }

allowedHeaders

1- default  as  the value of "access-control-request-headers"
2- set as a string :
    {
        allowedHeaders:"x-token,x-uid"
    }

exposedHeaders

1- default as null
2- set as a string :
   {
       exposedHeaders:"x-token,x-uid"
   }

maxAge

1- default as null
2- set senconds  of the  OPTIONS request cache:

    {
        maxAge: 1000//  1000 seconds
    }