C++使用gSoap写Web Server和Web Client

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和第三方对接的时候对方只给了一个WSDL文件，让我调用他们的接口，起初完全不知道怎么弄，后来看到需求说明要求使用soap的方式通信；

然后网上找了一番，都是c++使用gsoap完成add的例子；参照他们例子终于完成了客户端和服务端的编写

soapcpp2.exe -c++ add.h 生成一系列文件，具体的参见 http://www.cppblog.com/qiujian5628/archive/2008/06/19/54019.html

前辈门描述的非常清楚；

#include <iostream>#include <string>#include "addServer.h"#include "add.nsmap"#include "stdsoap2.h"#include "soapH.h"#include "soapStub.h"#pragma   comment(lib,"wsock32.lib")#pragma comment( linker, "/subsystem:windows /entry:mainCRTStartup" ) // 为了程序不弹出dos界面int http_get(struct soap *soap);int add__ns(struct soap *add_soap, int num1, int num2, int *sum);int main(int argc, char* argv[]){int m, s; /* master and slave sockets */struct soap add_soap;add_soap.fget = http_get;// 设置soap.fget回调函数soap_init(&add_soap);add_soap.fget = http_get;if (argc < 2){printf("usage: %s <server_port> \n", argv[0]);exit(1);}else{ m = soap_bind(&add_soap, NULL, atoi(argv[1]), 100);if (m < 0){soap_print_fault(&add_soap, stderr);exit(-1);}fprintf(stderr, "Socket connection successful: master socket = %d\n", m);for (;;){ s = soap_accept(&add_soap); if (s < 0){ soap_print_fault(&add_soap, stderr);exit(-1);}fprintf(stderr, "Socket connection successful: slave socket = %d\n", s);soap_serve(&add_soap);//该句说明该server的服务soap_end(&add_soap);}}return 0;}//server端的实现函数与add.h中声明的函数相同，但是多了一个当前的soap连接的参数int add__ns(struct soap *add_soap, int num1, int num2, int *sum){*sum = num1 + num2;return 0;}int http_get(struct soap *soap) { FILE*fd = NULL;// 发布web server的时候就是将程序放在cmd中运行，记得将wsdl文件和exe文件放在以前        fd = fopen("./add.wsdl", "rb"); //open WSDL file to copyif (!fd){return 404; //return HTTP not found error}soap->http_content = "test/xml";  //HTTP header with text /xml contentsoap_response(soap,SOAP_FILE);for(;;){size_t r = fread(soap->tmpbuf,1, sizeof(soap->tmpbuf), fd);if (!r){break;}if (soap_send_raw(soap, soap->tmpbuf, r)){break; //cannot send, but little we can do about that}}fclose(fd);soap_end_send(soap);return SOAP_OK; }

编译完成后，在cmd中运行，然后使用soapUI来测试此服务器的正确即可,参见 http://boyun.sh.cn/blog/?p=1076

至于客户端网上一大堆教材，值得注意的是有些WSDL生成的类需要去重载构造函数，否则就是调用了默认的构造函数；

目前尚未解决的问题就是打开Localhost:8989后xml文件是下载打开的方式，不能直接显示到页面上

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