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问题描述

嗨,我正在尝试使用 apache camel 为 angularjs 提供服务,但出现错误:如果我使用 restConfiguration,则请求的资源上不存在“Access-Control-Allow-Origin”标头。出了点问题

在我的蓝图中,我启用了 CROS 并设置了这样的属性标题,但不起作用:

<restConfiguration bindingMode="json" component="jetty" enableCORS="true">
    <dataFormatProperty key="prettyPrint" value="true" />
    <corsHeaders key="Access-Control-Allow-Methods" value="GET, HEAD, POST, PUT, DELETE, TRACE, OPTIONS, CONNECT, PATCH"></corsHeaders>
    <corsHeaders key="Access-Control-Allow-Origin" value="*"></corsHeaders>
    <corsHeaders key="Access-Control-Allow-Headers" value="Origin, Accept, X-Requested-With, Content-Type, Access-Control-Request-Method, Access-Control-Request-Headers"></corsHeaders>
    <corsHeaders key="Access-Control-Max-Age" value="3600"></corsHeaders>
</restConfiguration>

如果我删除其余配置并设置如下标题,我没有错误。

 <route id="jetty" streamCache="true">
        <from uri="jetty:http://0.0.0.0:9100/ifom/miki?matchOnUriPrefix=true"/>
        <to uri="jetty:http://localhost:8080/om/miki?bridgeEndpoint=true&amp;throwExceptionOnFailure=false"/>
        <log message="jetty-done header: ${headers}"/>
        <setHeader headerName="Access-Control-Allow-Headers"><constant>X-Auth-Token, Content-Type</constant></setHeader>
        <setHeader headerName="Access-Control-Allow-Origin"><constant>*</constant></setHeader>
        <setHeader headerName="Access-Control-Allow-Methods"><constant>OPTIONS, POST</constant></setHeader>
    </route>

为什么 restConfiguration 不起作用?谢谢

标签: corsapache-camel

解决方案


我最终通过为 Camel 和 AngularJs 上的 Access-Control-Allow-Headers 和 Access-Control-Request-Headers 设置相同的值来解决这个问题。

AngularJs:

headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*',
'Access-Control-Request-Headers': 'access-control-allow-methods,access-control-allow-origin,authorization,content-type',
'Access-Control-Allow-Headers': 'access-control-allow-methods,access-control-allow-origin,authorization,content-type',
'Access-Control-Allow-Methods': 'GET, DELETE, POST, OPTIONS, PUT',
}

骆驼:

.setHeader("Access-Control-Allow-Origin", constant("*"))        
.setHeader("Access-Control-Allow-Headers", constant("access-control-allow-methods,access-control-allow-origin,authorization,content-type"))        
.setHeader("Access-Control-Allow-Methods", constant("GET, DELETE, POST, OPTIONS, PUT"))

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