js封装用户选项传递给Servlet之考试系统二

来源:转载

<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <base href="<%=basePath%>"> <title>微冷的雨考试成绩统计系统</title> <style type="text/css"> body{ font-size:30px; background:#DAE4F6; font-family:"楷体"; } #container{ margin:0px auto; } #box{ /* border:1px solid red; */ overflow:hidden; margin:0px auto; } #box label{ margin-top:5px; background:#B0E0E6; width:80px; display:inline-block; text-align:right; margin-left:50px; } </style> <script type="text/javascript"> //获取用户已经做了的题目 //获取所有的复选框 var data=new Array(); function selectCheckBox(){ //定义一个字典保存题目编号和用户填写的答案 /* data.push=function(o){ //如果o是object if(typeof(o)=='object') for(var p in o) this[p]=o[p]; }; */ // data.push({2:"A"}); //alert(data.a) var selectnum = 0; var mycheckboxs = document.getElementsByTagName("input");//获取所有的input标签对象 var checkboxArray = [];//初始化空数组,用来存放checkbox对象。 for(var i=0;i<mycheckboxs.length;i++){ var obj = mycheckboxs[i]; if(obj.type=='checkbox'){ checkboxArray.push(obj); } } for(var i=0;i<checkboxArray.length;i++){ if(checkboxArray[i].checked){ //选择了某个复选框 selectnum++; //复选框提交的文本 var tidAndAnswer=checkboxArray[i].value; var myarray=tidAndAnswer.split(":"); //题目 var tid = parseInt(myarray[1]); //答案 var useranswer = myarray[0]; var flag=false; data[0] = ""; //看题目编号是否已经被记录 for ( var item in data) { if(item!=0){ if(item==tid){ data[item]=data[item]+useranswer; flag=true; break; } } } if(flag==false){ //data.push({tid:useranswer}); data[tid]=tid+":"+useranswer; } } } // if (selectnum==0){ alert('请至少做一道题目'); return false; }else{ return true; } // } //表单校验 function checkName(){ var txtName=document.getElementById("txtName"); if(txtName.value==""||txtName.value==null){ alert('请输入姓名'); return false; } return true; } //加载完所有的标签,图片和css后执行 window.onload=function(){ var myform=document.getElementById("form1"); var mydata=document.getElementById("selectData"); myform.onsubmit=function(){ var mycount=0; if(!checkName()){ mycount--; }else{ if(!selectCheckBox()){ mycount--; } } if(mycount==0){ //var str = JSON.stringify(data); //alert(str); mydata.value=data; return true; }else{ return false; } }; var row=15; var col=2; var mybody=document.getElementById('mybody'); if(col>4){ mybody.style.width=document.body.scrollWidth+(col-4)*350; } //mybody.style.width="3333px"; initOptions(row,col); //alert(body.documentElement.clientWidth); // document.body.scrollWidth=3333; var cbxs=document.getElementsByName("rchoice"); for ( var i = 0; i < cbxs.length; i++) { cbxs[i].style.cssText="margin-left:20px;"; } }; //动态加载答题区控件! function initOptions(row,column){ var box=document.getElementById('box'); //题目编号,从0开始 var count = 0; var mytag; //CheckBox的Tag属性值 // for (var i = 1; i <=row ; i++){ //默认i的值为15 count++; var mydiv=document.createElement("div"); box.appendChild(mydiv); //mydiv.style.border="1px solid blue"; // mydiv.style.paddingRight="700px"; mydiv.style.overflow="auto"; for (var j = 1; j <=column; j++){ //默认j的值为2 //创建一个label var label=document.createElement('label'); //设置座位号 if (j == 1) { label.innerHTML = count+ "题"; mytag = count; } else { //多列的情况下创建题目编号的方式 label.innerHTML = (count +row*(j-1)) + "题"; mytag = count + row*(j-1); } var littlediv=document.createElement("div"); littlediv.style.float="left"; //littlediv.style.border="3px solid blue"; mydiv.appendChild(littlediv); littlediv.appendChild(label); //创建四个选项 var checkbox1=document.createElement("input"); checkbox1.setAttribute("type","checkbox"); checkbox1.setAttribute("value","A:"+mytag); checkbox1.setAttribute("name","rchoice"); var cbtxt=document.createTextNode("A"); littlediv.appendChild(checkbox1); littlediv.appendChild(cbtxt); //第二个checkbox var checkbox2=document.createElement("input"); checkbox2.setAttribute("type","checkbox"); checkbox2.setAttribute("value","B:"+mytag); checkbox2.setAttribute("name","rchoice"); var cbtxt2=document.createTextNode("B"); littlediv.appendChild(checkbox2); littlediv.appendChild(cbtxt2); //第三个checkbox var checkbox3=document.createElement("input"); checkbox3.setAttribute("type","checkbox"); checkbox3.setAttribute("value","C:"+mytag); checkbox3.setAttribute("name","rchoice"); var cbtxt3=document.createTextNode("C"); littlediv.appendChild(checkbox3); littlediv.appendChild(cbtxt3); //第四个checkbox var checkbox4=document.createElement("input"); checkbox4.setAttribute("type","checkbox"); checkbox4.setAttribute("value","D:"+mytag); checkbox4.setAttribute("name","rchoice"); var cbtxt4=document.createTextNode("D"); littlediv.appendChild(checkbox4); littlediv.appendChild(cbtxt4); var myline=document.createElement("br"); if(j==column){ mydiv.appendChild(myline); } } } } </script> </head> <body id="mybody"> <div id="container"> <div id="box"> </div> <form action="${pageContext.request.contextPath}/SaveServlet?action=save" method="post" id="form1"> <!-- <fieldset> <legend>答题区 :本软件由微冷的雨出品!如有问题,请发送反馈信息到:[email protected]</legend> --> <div id="tool"> <label for="txtRow" >行:</label><input id="txtRow" type="text" style="width:50px;"/> <label for="txtColumn" >列:</label><input id="txtColumn" type="text" style="width:50px;"/> <input type="button" value="生成"/> <label for="txtName" >姓名:</label><input id="txtName" name="txtName" type="text"/> <c:if test="${not empty errors && not empty errors['txtName']}"> <span class="error">${errors['txtName']}</span> </c:if> <c:if test="${empty errors || empty errors['txtName']}"><span></span></c:if> <input type="submit" value="提交"/> </div> <input type="hidden" id="selectData" name="selectData" value=""/> </form> <!-- </fieldset> --> </div> </body></html>



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