js动态生成选项之考试系统(一)

时间：2022-07-25 15:05:24
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<%

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:#fff6ed;

      font-family:"楷体";

      }

       #container{

        margin:0px auto;

       }

       #box{

          /* border:1px solid red; */

          overflow:hidden;

       }

       #box label{

       margin-top:5px;

       background:#cde6c7;

        width:80px;

        display:inline-block;

        text-align:right;

        margin-left:50px;

       }

    </style>

    <script type="text/javascript">

       //加载完所有的标签，图片和css后执行

        window.onload=function(){

          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">

         <!-- <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：yymqqc@126.com</legend> -->

          <div id="box">

          </div>

         <!-- </fieldset> -->

     </div>

  </body>

</html>

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