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我有一个代理编写来汇总来自不同DSS服务的消息，并将所有内容组合到一个响应中。代理配置变为如下wso2 esb聚合和响应丰富
<?xml version="1.0" encoding="UTF-8"?>
<proxy xmlns="http://ws.apache.org/ns/synapse"
name="AggregateEmpMessageProxy"
transports="https,http"
statistics="disable"
trace="disable"
startOnLoad="true">
<target>
<inSequence>
<log level="full"/>
<clone>
<target>
<sequence>
<payloadFactory media-type="xml">
<format>
<p:select_with_key_emp_id_operation xmlns:p="http://ws.wso2.org/dataservice">
<p:id>$1</p:id>
</p:select_with_key_emp_id_operation>
</format>
<args>
<arg xmlns:m="http://ws.wso2.org/dataservice"
evaluator="xml"
expression="//m:select_with_key_emp_id_operation/m:id"/>
</args>
</payloadFactory>
<header name="Action"
scope="default"
value="http://ws.wso2.org/dataservice/select_with_key_emp_id_operation"/>
<send>
<endpoint name="ID_Service">
<address uri="http://compute-1.amazonaws.com:9767/services/emp_id_DataService.HTTPEndpoint"/>
</endpoint>
</send>
</sequence>
</target>
<target>
<sequence>
<payloadFactory media-type="xml">
<format>
<p:select_with_key_emp_desig_operation xmlns:p="http://ws.wso2.org/dataservice">
<p:id>$1</p:id>
</p:select_with_key_emp_desig_operation>
</format>
<args>
<arg xmlns:m="http://ws.wso2.org/dataservice"
evaluator="xml"
expression="//m:select_with_key_emp_id_operation/m:id"/>
</args>
</payloadFactory>
<header name="Action"
scope="default"
value="http://ws.wso2.org/dataservice/select_with_key_emp_desig_operation"/>
<send>
<endpoint name="Exp_Service">
<address uri="http://compute-1.amazonaws.com:9767/services/emp_desig_DataService.HTTPEndpoint"/>
</endpoint>
</send>
</sequence>
</target>
<target>
<sequence>
<payloadFactory media-type="xml">
<format>
<p:select_with_key_emp_exp_operation xmlns:p="http://ws.wso2.org/dataservice">
<p:id>$1</p:id>
</p:select_with_key_emp_exp_operation>
</format>
<args>
<arg xmlns:m="http://ws.wso2.org/dataservice"
evaluator="xml"
expression="//m:select_with_key_emp_id_operation/m:id"/>
</args>
</payloadFactory>
<header name="Action"
scope="default"
value="http://ws.wso2.org/dataservice/select_with_key_emp_exp_operation"/>
<send>
<endpoint name="Desig_Service">
<address uri="http://compute-1.amazonaws.com:9767/services/emp_exp_DataService.HTTPEndpoint"/>
</endpoint>
</send>
</sequence>
</target>
</clone>
</inSequence>
<outSequence>
<aggregate>
<completeCondition>
<messageCount/>
</completeCondition>
<onComplete xmlns:s12="http://www.w3.org/2003/05/soap-envelope"
xmlns:s11="http://schemas.xmlsoap.org/soap/envelope/"
expression="/s11:Envelope/s11:Body/child::*[position()=1] | /s12:Envelope/s12:Body/child::*[position()=1]">
<send/>
</onComplete>
</aggregate>
</outSequence>
</target>
<parameter name="enableMTOM">false</parameter>
<description/>
</proxy>
我得到的是
<soapenv:Envelope xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope">
<soapenv:Body>
<result xmlns="http://ws.wso2.org/dataservice">
<id>1</id>
<name>meeran</name>
</result>
<result xmlns="http://ws.wso2.org/dataservice">
<designation>engineer</designation>
<level>B2</level>
</result>
<result xmlns="http://ws.wso2.org/dataservice">
<age>26</age>
<exp>3</exp>
</result>
</soapenv:Body>
</soapenv:Envelope>
的反应，但我回应，我在找的是
<soapenv:Envelope xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope">
<soapenv:Body>
<result xmlns="http://ws.wso2.org/dataservice">
<id>1</id>
<name>meeran</name>
<designation>engineer</designation>
<level>B2</level>
<age>26</age>
<exp>3</exp>
</result>
</soapenv:Body>
</soapenv:Envelope>
如何实现上述回应？我应该在聚合介体之后使用什么介体。请帮忙。