1、首先在web.xml配置servlet資訊

     <servlet>
        <servlet-name>SendSmsServlet</servlet-name>
        <servlet-class>com.hgc.ecs.web.servlet.SendSmsServlet</servlet-class>
    </servlet>
     <servlet-mapping>
        <servlet-name>SendSmsServlet</servlet-name>
        <url-pattern>/servlet/sendSMS
 
</url-pattern>
    </servlet-mapping>

2、在前端寫jquery的Ajax傳送程式碼

<script>
function sendSMS() {
				var isValide=pop();
				var mobileNo = $('#inputPassword').val();
				var accountNumber = $('#lableAccount').val();
				var ServCode = $('#ServCode').val();
				var CircNo = $('#CircNo').val();			
				var noOfMonths = $('#noOfMonths').val();
				if(isValide==true){
					$.ajax({
						url : "<%=request.getContextPath()%>/servlet/sendSMS",
								type : "POST",
								data : {
									mobileNo : mobileNo,
									accountNumber : accountNumber,
									ServCode : ServCode,
									CircNo : CircNo,
									noOfMonths : noOfMonths
								},
								success : (function(data) {
									if (data == "52") {
										alert("<bean:message key="onlie.vas.select.applyNBA.error.sentFailure" />");
										$('#myModal').modal('hide');
									} else if (data == "50") {
										alert("<bean:message key="onlie.vas.select.applyNBA.error.sentSuccess" />");
										$('#myModal').modal('hide');
									} else {
										alert("<bean:message key="error.server.busy" />");
										$('#myModal').modal('hide');
									}
								})
							});
				}
				//每次傳送SMS後清空電話號碼的值，便於下次重新輸入傳送
				document.getElementById("inputPassword").value = "";
			}
		</script>
 

3、在後臺書寫接受Ajax請求處理的功能

public class SendSmsServlet extends HttpServlet {

	private static final Log log = LogFactory.getLog(SendSmsServlet.class);

	protected void service(HttpServletRequest req, HttpServletResponse resp) {
		HttpSession session = req.getSession();
		PrintWriter writer = null;
		try {
			writer = resp.getWriter();
			String mobileNo = req.getParameter("mobileNo");
			String accountNumber = req.getParameter("accountNumber");
			String ServCode = req.getParameter("ServCode");
			String CircNo = req.getParameter("CircNo");
			String noOfMonths = req.getParameter("noOfMonths");
			log.info(" mobileNo: " + mobileNo + " accountNumber: " + accountNumber + " ServCode: " + ServCode
					+ " CircNo: " + CircNo + " noOfMonths: " + noOfMonths);
			SendSMSDAO sms = new SendSMSDAO();
			String result = sms.sendSMS(mobileNo, ServCode, CircNo, noOfMonths);
			log.info("-----------result" + result);
			if (result!=null&&result.equals("No PIN has been sent before!")) {
				writer.write("52");
			} else {
				// 重發啟動碼正確就返回50作為標誌
				writer.write("50");
			}
		} catch (Exception e) {
			log.error(e.toString(), e);
			writer.write("53");
		} finally {
			if (null != writer) {
				log.info("close writer!");
				writer.close();
			}
		}
	}
}