Java Send Short Message function tool class and thinking detailed

//Send SMS features the following is the tool class
exception return 0 Send SMS failure can be result==0 to judge then return failure information
If successful, return the validation code information can save session
and set session time SESSION.S Etmaxinactiveinterval (60*5);
Set session time post-validation can get session if the session is empty
The validation code has expired or equals session, set session null and return success

Package com.kero99.ygc.sms;
Import org.apache.commons.httpclient.HttpClient;
Import Org.apache.commons.httpclient.NameValuePair;
Import Org.apache.commons.httpclient.methods.PostMethod;
Import org.dom4j.Document;
Import Org.dom4j.DocumentHelper;
Import org.dom4j.Element;
 /** * Interface type: Mutual billion wireless trigger SMS interface, to support the sending of authentication code text messages, order notification messages and so on. * Account Registration: Please open the account through the address http://sms.ihuyi.com/register.html * NOTE: * (1) during debugging, please use the default template for testing, the default template for details of the interface document; * (2) Please use APIID (View API ID Please login to the User Center-> authentication Code, notification SMS-> account and signature settings->apiid) and Apikey to invoke the interface, Apikey in the Member Center can be obtained; * (3) The code is only for access to the mutual billion wireless SMS Interface reference use, Customers can write their own according to the actual needs;/public class Sendutils {private static String Url = "Http://106.ihuyi.cn/webservice/sms.php?method
    =submit ";
        public static int sendsms (String phone) {httpclient client = new HttpClient ();

        Postmethod method = new Postmethod (URL);
        Client.getparams (). Setcontentcharset ("GBK");

        Method.setrequestheader ("ContentType", "APPLICATION/X-WWW-FORM-URLENCODED;CHARSET=GBK"); int mobile_code = (int) (MAth.random () *9+1) *100000); String content = new String ("Your verification code is: + Mobile_code +".) Please do not divulge the verification code to other people.

        "); namevaluepair[] data = {//Submit SMS New Namevaluepair ("Account", "c72562***"),//view user name please login to User Center-> authentication Code, notification SMS-> Account and Signature settings->apiid new Namevaluepair ("Password", "ad95c26915ec51bd68d87a72***"),//view password Please login User Center-> authentication Code, short notice Letter-> Account and signature settings->apikey//new namevaluepair ("password", util. Stringutil.md5encode ("password"), New Namevaluepair ("mobile", phone),//Mobile number new Namevaluepair (
        Content),//contents};

        Method.setrequestbody (data);

            try {Client.executemethod (method);

            String Submitresult =method.getresponsebodyasstring ();

            System.out.println (Submitresult);
            Document doc = Documenthelper.parsetext (submitresult);

            Element root = Doc.getrootelement ();
            String code = root.elementtext ("code"); String msg = Root.elementtext ("msg");

            String Smsid = Root.elementtext ("Smsid");
            SYSTEM.OUT.PRINTLN (code);
            SYSTEM.OUT.PRINTLN (msg);

             System.out.println (SMSID);
                if ("2". Equals (code)) {System.out.println ("text message submitted successfully");    
            return mobile_code;

        }else return 0;
            catch (Exception e) {e.printstacktrace ();
        return 0;
    }//test public static void main (string[] args) {sendsms ("13521******");



 }
}