<%@ page language=“java” contentType=“text/html; charset=UTF-8”
pageEncoding=“UTF-8” errorPage=“Enter02.jsp”%>
<%@ page import=“java.util.Random”%>
<%!
//生成随机数字+字母组合
public static String getRandom(int length) {
String val = “”;
Random random = new Random();
for (int i = 0; i < length; i++) {
// 输出字母还是数字
String charOrNum = random.nextInt(2) % 2 == 0 ? “char” : “num”;
// 字符串
if (“char”.equalsIgnoreCase(charOrNum)) {
// 取得大写字母还是小写字母
int choice = random.nextInt(2) % 2 == 0 ? 65 : 97;
val += (char) (choice + random.nextInt(26));
} else if (“num”.equalsIgnoreCase(charOrNum)) { // 数字
val += String.valueOf(random.nextInt(10));
}
}
return val;
}%>
<style type="text/css">
.nop{
color:cornflowerblue
}
.nops{
color:red
}
.nopsnd{
color:cornflowerblue
}
</style>
<form action="long.jsp">
姓名<input type="text" name="useid" value="<%=request.getParameter("useid") == null ? "" : request.getParameter("useid")%>">
<%
if(request.getAttribute("useid") == null){
%><span class="nop">最高5位数</span><%
}else{
%><span class="nops"><%=request.getAttribute("useid")%></span><%
}
%>
<p> 兴趣爱好
<input type="checkbox" name="cb" value="0">泡妹
<input type="checkbox" name="cb" value="1">音乐
<input type="checkbox" name="cb" value="2">睡觉
<%
if(request.getAttribute("cb") == null){
%><span class="nop">请选择至少一个</span><%
}else{
%><span class="nops"><%=request.getAttribute("cb") %></span><%
}
%>
<p>
身份证号<input type="text" name="sheid" value="<%=request.getParameter("sheid")==null? "" :request.getParameter("sheid") %>">
<% String sheid = request.getParameter("sheid");
if(request.getAttribute("sheid") == null){
%><span class="nop">请输入18数字</span><%
}else{
%><span class="nops"><%=request.getAttribute("sheid")%></span><%
}
%>
<p>
邮箱<input type="text" name="youid" value="<%=request.getParameter("youid")==null ? "":request.getParameter("youid")%>">
<% String youid = request.getParameter("youid");
if(request.getAttribute("youid") == null){
%><span class="nop">请以@.开头</span><%
}else{
%><span class="nops"><%=request.getAttribute("youid")%></span><%
}
%>
<p>
<input type="radio" name="sex" value="1" checked>男
<input type="radio" name="sex" value="2">女
<% String sex = request.getParameter("sex");
if(request.getAttribute("sex") == null){
%><span class="nop">请选择男 女</span><%
}else{
%><span class="nops"><%=request.getAttribute("sex") %></span><%
}
%>
<% String mots=getRandom(4);%>
<p>请输入验证码<input type="text" name="yingid" value="<%=request.getParameter("yingid")==null ? "" :request.getParameter("yingid") %>">
<%
if(request.getAttribute("equal")==null){
%>
<span class="nops"></span>
<%
}else{
%>
<span class="nops"><%=request.getAttribute("equal") %></span>
<%
}
%>
<p>验证码: <%=mots%>
<input type="hidden" value="<%=mots%>" name="mots">
<p><input type="submit" value="提交">
</form>
<%@ page language=“java” contentType=“text/html; charset=UTF-8”
pageEncoding=“UTF-8”%>
<%
String useid = request.getParameter("useid");
String[] cb = request.getParameterValues("cb");
String sheid = request.getParameter("sheid");
String youid = request.getParameter("youid");
String sex = request.getParameter("sex");
String index = request.getParameter("yingid");
String ssss = request.getParameter("mots");
System.out.print(ssss +" "+index);
String re = "[a-zA-Z0-9_-]+@([a-zA-Z0-9_-])+([.][a-zA-Z0-9_-]{2,3}){1,2}";
if(useid.length() < 5 && cb != null && sheid.length() == 18 && useid.length() !=0 && youid.matches(re)&&ssss.equals(index)){
%>
<p>你的名字 :<%=useid %>
<p>你的爱好:
<%
for(int i=0;i < cb.length;i++){
if(cb[i].equals("0")){
%>泡妹<%
}else if (cb[i].equals("1")){
%>音乐<%
}else if (cb[i].equals("2")){
%>睡觉<%
}
}
%>
<p>身份证号码:<%=sheid %>
<p>邮箱:<%=youid %>
<p>性别:<%=sex %>
<%
}else{
String useids;
useids=(useid.length() >0 && useid.length() <5)?"已通过":"你输入的字符为大于5个字符";
request.setAttribute("useid",useids);
String cbs;
cbs=(cb==null)?"请至少选择一个爱好 ":"已通过 ";
request.setAttribute("cb",cbs);
String sheids;
sheids=(sheid.length()==18)?"已通过 ":"身份证错误 ";
request.setAttribute("sheid",sheids);
String youids;
youids=(youid.matches(re))==true?"已通过 ":"邮箱错误 ";
request.setAttribute("youid",youids);
request.setAttribute("sex","已通过 ");
String equal= ssss.equals(index) ? "已通过 ":"验证码错误 请重新输入";
request.setAttribute("equal", equal);
request.getRequestDispatcher("form.jsp").forward(request, response);
}
%>