新Java运动Nava：师PHP技术以开发Web应用

/**
	 * 无论POST还是GET请求，均通过本函数进行处理
	 * @param request
	 * @param response
	 * @throws IOException
	 * @throws ServletException
	 */
	public void doProcess(HttpServletRequest request, HttpServletResponse response) 
			throws IOException, ServletException {
		request. setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		response.addHeader("Content-Type", "text/html; charset=utf-8");
		PrintWriter out = response.getWriter();
		// 求出请求命令
		String cmd = "none";
		if (request.getParameter("cmd") != null) {
			cmd = request.getParameter("cmd");
		}
		// 根据请求命令调用不同方法
		switch (cmd) {
		case "dispApplyCapital":
			dispApplyCapital(request, response);
			break;
		}
	}

private void dispApplyCapital(HttpServletRequest request, HttpServletResponse response) 
			throws IOException, ServletException {
		String json = "{\"name\":\"yt闫涛\", \"userId\":200}";
		request.setAttribute("json", json);
		Map<String, String> model = new HashMap<String, String>();
		model.put("page_title", "股票交易");
		model.put("header_title", "交易v1");
		JSONArray capOpts = new JSONArray();
		JSONObject capOptsItem = null;
		try {
			capOptsItem = new JSONObject();
			capOptsItem.put("amount", 1);
			capOpts.put(capOptsItem);
			capOptsItem = new JSONObject();
			capOptsItem.put("amount", 10);
			capOpts.put(capOptsItem);
			capOptsItem = new JSONObject();
			capOptsItem.put("amount", 100);
			capOpts.put(capOptsItem);
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		model.put("capOpts", capOpts.toString());
		model.put("procFeeRatio", "0.00399");
		model.put("marginRatio", "0.08");
		request.setAttribute("model", model);
		this.getServletContext().getRequestDispatcher("/caporder/apply_capital.jsp")
			.forward(request, response);
	}

<%@page contentType="text/html;charset=UTF-8"%>
<%@ include file="/header.jsp" %>

<script>
var g_mjson = null;
$(document).ready(function(){ 
	g_mjson = <%=model.get("capOpts")%>;
	var opts = "";
	var i = 0;
	for (i=0; i<g_mjson.length; i++) {
		opts += "<input type='radio' name='applyAmount' value='" + g_mjson[i].amount + "'>" + g_mjson[i].amount + "万  ";
	}	
	$("#capOpts").html(opts);
	
	var procFeeRatio = <%=model.get("procFeeRatio")%>;
	$("#procFeeTxt").val("0.0");
	$("input[name='applyAmount']").click(function(eve) {
		alert("click me! v1 v=" + $("[name='applyAmount']:checked").val() + "!");
		$("#procFeeTxt").val(procFeeRatio*10000.0);
	});
}); 
</script>

实盘申请<%=model.get("capOpts")%><br />
申请金额：<span id="capOpts"></span><input type="text" id="amount" /><br />
手续费：<input type="text" id="procFeeTxt" readonly /> 金币账户：<a href="#">立即充值</a><br />
保证金：钱包账户：<a href="#">立即充值</a><br />
<input type="button" value="确认申请" /> 
<input type="button" value="取消申请" /><br />

<%@ include file="/footer.jsp" %>