iOS请求webservice

(IBAction) webServicexRequestPost:(id)sender{

//封装soap请求消息,构建webServices请求字符串

    NSString * soapMessage = [NSString stringWithFormat:@"<?xml version=/"1.0/" encoding=/"utf-8/"?>/n"

     "<soap:Envelope xmlns:xsi=/"http://www.w3.org/2001/XMLSchema-instance/" xmlns:xsd=/"http://www.w3.org/2001/XMLSchema/" xmlns:soap=/"http://schemas.xmlsoap.org/soap/envelope//">/n"

     "<soap:Body>/n"

     "<Test xmlns=/"http://jinlong.ctc.com/">/n"

     "<userID>%@</userID>/n"

     "</Test>/n"

     "</soap:Body>/n"

     "</soap:Envelope>/n",@"JINLONG"

   ];

   NSString * msgLength = [NSString stringWithFormat:@"%d", [soapMessage length]];

    //设置请求地址

    NSURL * url = [NSURL URLWithString:@"http://localhost:8080/TestWebServices/services/Test"];  

    NSMutableURLRequest * urlRequest = [NSMutableURLRequest requestWithURL:url];

    //加请求头文件

    [urlRequest addValue: @"text/xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"];

    [urlRequest addValue: @"http://service.xiva.com/login" forHTTPHeaderField:@"SOAPAction"];

  [urlRequest addValue: msgLength forHTTPHeaderField:@"Content-Length"];

    //设置请求方式

  [urlRequest setHTTPMethod:@"POST"];

    [urlRequest setHTTPBody: [soapMessage dataUsingEncoding:NSUTF8StringEncoding]];

   NSURLResponse *reponse;

   NSError * error = nil;

    //接受返回数据

   NSData  * responseData = [NSURLConnection sendSynchronousRequest:urlRequest returningResponse:&reponse error:&error];

    NSMutableString * 

    result = [[NSMutableString alloc] initWithData:responseData encoding:NSUTF8StringEncoding];

    NSLog(@"Return String is========>%@",result);  

}