CorsHandler (Netty API Reference (4.1.22.Final))

java.lang.Object
- io.netty.channel.ChannelHandlerAdapter
- - io.netty.channel.ChannelInboundHandlerAdapter
  - - io.netty.channel.ChannelDuplexHandler
    - - io.netty.handler.codec.http.cors.CorsHandler

All Implemented Interfaces:

ChannelHandler ， ChannelInboundHandler ， ChannelOutboundHandler
```
public class CorsHandler
extends ChannelDuplexHandler
```
处理Cross Origin Resource Sharing （CORS）请求。
该处理程序可以使用CorsConfig进行配置，请参阅此类以获取有关可用配置选项的详细信息。

Nested Class Summary
- Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler
  ChannelHandler.Sharable

构造方法摘要

构造方法
Constructor and Description
`CorsHandler(CorsConfig config)` 用指定的`CorsConfig`创建一个新实例。

方法摘要

所有方法接口方法具体的方法
Modifier and Type	Method and Description
`void`	`channelRead(ChannelHandlerContext ctx, java.lang.Object msg)` 致电`ChannelHandlerContext.fireChannelRead(Object)`转发至`ChannelPipeline`中的下一个`ChannelInboundHandler` 。
`void`	`write(ChannelHandlerContext ctx, java.lang.Object msg, ChannelPromise promise)` 致电`ChannelOutboundInvoker.write(Object, ChannelPromise)`转发到`ChannelPipeline`中的下一个`ChannelOutboundHandler` 。

Methods inherited from class io.netty.channel.ChannelDuplexHandler
bind, close, connect, deregister, disconnect, flush, read

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter
channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter
ensureNotSharable, handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.netty.channel.ChannelHandler
exceptionCaught, handlerAdded, handlerRemoved

- 构造方法详细信息
  - CorsHandler
```
public CorsHandler(CorsConfig config)
```
    用指定的CorsConfig创建一个新实例。
- 方法详细信息
  - channelRead
```
public void channelRead(ChannelHandlerContext ctx,
                        java.lang.Object msg)
                 throws java.lang.Exception
```
    从类复制的描述： ChannelInboundHandlerAdapter
    
    致电ChannelHandlerContext.fireChannelRead(Object)转发给ChannelPipeline中的下一个ChannelInboundHandler 。子类可以重写此方法来更改行为。
    
    Specified by:
    
    channelRead在界面 ChannelInboundHandler
    
    重写：
    
    channelRead在课堂 ChannelInboundHandlerAdapter
    
    异常
    
    java.lang.Exception
  - write
```
public void write(ChannelHandlerContext ctx,
                  java.lang.Object msg,
                  ChannelPromise promise)
           throws java.lang.Exception
```
    从类复制的描述： ChannelDuplexHandler
    
    致电ChannelOutboundInvoker.write(Object, ChannelPromise)转发到ChannelPipeline中的下一个ChannelOutboundHandler 。子类可以重写此方法来更改行为。
    
    Specified by:
    
    write接口 ChannelOutboundHandler
    
    重写：
    
    write在课堂 ChannelDuplexHandler
    
    参数
    
    ctx - 为其写入操作的ChannelHandlerContext
    
    msg - 要写入的消息
    
    promise - 在操作完成后通知ChannelPromise
    
    异常
    
    java.lang.Exception - thrown if an error occurs

Class CorsHandler

Nested Class Summary

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

构造方法摘要

方法摘要

Methods inherited from class io.netty.channel.ChannelDuplexHandler

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

Methods inherited from class java.lang.Object

Methods inherited from interface io.netty.channel.ChannelHandler

构造方法详细信息

CorsHandler

方法详细信息

channelRead

write