我正在使用easySocket udf和下面的代码通过 tcp/ip 发送实际消息的 2 字节标头长度。然而,UTF-8 字符(即 ( )(8D 十六进制)被接收为?(3F 十六进制))。我使用了以下代码,我也在stackoverflow上检查过。有没有办法发送相当于长度的字节,这样就不会涉及字符编码?谢谢。
<cffunction name="easySocket" access="private" returntype="any" hint="Uses Java Sockets to connect to a remote socket over TCP/IP" output="false">
<cfargument name="host" type="string" required="yes" default="localhost" hint="Host to connect to and send the message">
<cfargument name="port" type="numeric" required="Yes" default="8080" hint="Port to connect to and send the message">
<cfargument name="message" type="string" required="yes" default="" hint="The message to transmit">
<cfset var result = "">
<cfset var socket = createObject( "java", "java.net.Socket" )>
<cfset var streamOut = "">
<cfset var output = "">
<cfset var input = "">
<cftry>
<cfset socket.init(arguments.host,arguments.port)>
<cfcatch type="Object">
<cfset result = "#cfcatch.Message#<br>Could not connected to host <strong>#arguments.host#</strong>, port <strong>#arguments.port#</strong>.">
<cfreturn result>
</cfcatch>
</cftry>
<cfif socket.isConnected()>
<cfset streamOut = socket.getOutputStream()>
<cfset output = createObject("java", "java.io.PrintWriter").init(streamOut)>
<cfset streamInput = socket.getInputStream()>
<cfset inputStreamReader= createObject( "java", "java.io.InputStreamReader").init(streamInput)>
<cfset input = createObject( "java", "java.io.BufferedReader").init(InputStreamReader)>
<cfset output.print(chr(1) & chr(141) & arguments.message)>
<cfset output.flush()>
<cfset result='Success: '& arguments.message >
<cfset socket.close()>
<cfelse>
<cfset result = "Could not connected to host <strong>#arguments.host#</strong>, port <strong>#arguments.port#</strong>.">
</cfif>
<cfreturn result>
</cffunction>
<cfset txt_msg ='<COS MSG_TYPE_ID="0100" MCC="5999" POS_ENTRY_MODE="012" POS_COND="00" CARD_NUMBER="6417801234567890" ACQUIRER_ID="00000002" TERMINAL_ID="CAL100 " PROC_CODE="300000" STAN="000129" RETRIEVAL_REFERENCE="330145181129" DATE_LOCAL_TRAN="1111" TIME_LOCAL_TRAN="173654" TRANSM_DATE_TIME="1111173654" CARD_ACPT_ID_CODE="TESTDTA" CARD_ACPT_NAME_LOC="TSTESTSTE" />'>
<cfoutput>#easySocket('172.16.0.23','9095',txt_msg)#</cfoutput>