Java代码

1. <!–
2.    显示问卷内的题目
3.      –>
5.         <hr />
6.         <%
7.             while (it.hasNext()) {
9.                 Questions questions = (Questions) it.next();
10.         %>
12.         <br /><%=questions.getQ_id()%>&nbsp;
13.         <%=questions.getQ_head()%><br />
14.         <%
15.             String body = questions.getQ_body();
16.                 Vector<String> vector = ParseString.ParseStr(body);//把题目的内容根据换行符分割
17.                 String qType = questions.getQ_type().getQt_des();
18.                 if (qType.endsWith(“单选”)) {//若果是单选就依次显示单选选项
19.                     for (int i = 0; i < vector.size(); i++) {
20.         %>
21.                <!–把题目编号作为name传过去  –>
22.         <input type=”radio” name=”<%=questions.getQ_id()%>” value=”<%=i%>” /><%=vector.get(i)%><br />
23.         <%
24.             }
25.                 } else if (qType.endsWith(“多选”)) {
26. for(int i=0;i<vector.size();i++){
27.     %>
28.     <input type=”checkbox” name=”<%=questions.getQ_id()%>” value=”<%=i%>” /><%=vector.get(i)%><br />
29.     <%
30. }
31.                 }
32.                 else if (qType.endsWith(“单选+输入”)) {
33.                     for(int i=0;i<vector.size()-1;i++){
34.                         %>
35.                         <input type=”radio” name=”<%=questions.getQ_id()%>” value=”<%=i%>” /><%=vector.get(i)%><br />
36.                         <%
37.                     }
38.                     %>
39.                     <%=vector.get(vector.size()-1)%><br/>
40.                     <textarea rows=”2″ cols=”20″ name=”single_in” ></textarea><br />
41.                     <%
42.                                     }
43.                 else if (qType.endsWith(“多选+输入”)) {
44.                                         for(int i=0;i<vector.size()-1;i++){
45.                                             %>
46.                                             <input type=”checkbox” name=”<%=questions.getQ_id()%>” value=”<%=i%>” /><%=vector.get(i)%><br />
47.                                             <%
48.                                         }
49.                                         %>
50.                                         <%=vector.get(vector.size()-1)%><br/>
51.                                         <textarea rows=”2″ cols=”30″ name=”chect_in” ></textarea><br />
52.                                         <%
53.                                                         }
54.                 else if (qType.endsWith(“填空”)) {
56.                     %>
57.                     <%=body%><br />请填写答案：<input type=”text” name=”<%=questions.getQ_id()%>”/><br />
58.                     <%
59.                                     }
60. else if (qType.endsWith(“多行输入”)) {
62.                     %>
63.                     <%=body%><br />请填写答案：<textarea rows=”5″ cols=”30″ name=”<%=questions.getQ_id()%>” ></textarea><br />
64.                     <%
65.                                     }
67.         %>

Java代码

1. int s_id=Integer.parseInt(request.getParameter(“s_id”));//获得问卷ID
2.         QuestionsDao qDao = new QuestionsDaoImpl();
3.         AnswerSheetDao aDao= new AnswerSheetDaoImpl();
4.         ArrayList<Questions> list = (ArrayList<Questions>) aDao
5.                 .findAllQueBySurId(s_id);//查询到问卷ID为s_id的所有题目
6.         int count=aDao.CountQueBySurId(s_id);//获得该问卷内题目的个数
7.         //System.out.println(count+”*******count”);
8.         for (int i = 0; i < list.size(); i++) {
9.             int qID = list.get(i).getQ_id();// 获得题目ID
10.             int number = list.get(i).getQ_number();// 获得题目选项个数
11.             String q_id = String.valueOf(qID);// 把ID转换成字符串
12.             String[][] str = new String[count][];// 定义二维数组，因为复选框的值是多个，所以用request.getParameterValues()
13.             try { // 这样的话，str[i][j]，i表示当前的题目的ID，j就表示题目的value。
14.                 str[qID] = request.getParameterValues(q_id);
16.             } catch (Exception e) {
17.                 System.out.println(“request.getParameter()出错”);
18.                 e.printStackTrace();
19.             }
22.         }
24.     }

Java代码

1. request.getParameter()出错
2. java.lang.ArrayIndexOutOfBoundsException: 1
3.     at com.answerSheetServlet.AddAnswerSheetServlet.doPost(AddAnswerSheetServlet.java:46)
4.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
5.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
6.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
7.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
8.     at com.util.ChinaFilter.doFilter(ChinaFilter.java:16)
9.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
10.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
11.     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
12.     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
13.     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
14.     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
15.     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
16.     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
17.     at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:879)
18.     at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:600)
19.     at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1703)
20.     at java.lang.Thread.run(Thread.java:619)

2013年8月21日 10:32

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1个答案      按时间排序按投票排序

10

采纳的答案

Java代码

1. String[][] str = new String[count][];// 定义二维数组，因为复选框的值是多个，所以用request.getParameterValues()
2.             try { // 这样的话，str[i][j]，i表示当前的题目的ID，j就表示题目的value。
3.                 str[qID] = request.getParameterValues(q_id);
5.             } catch (Exception e) {
6.                 System.out.println(“request.getParameter()出错”);
7.                 e.printStackTrace();
8.             }

String[][] str = new String[count][];// 定义二维数组，因为复选框的值是多个，所以用request.getParameterValues()  
            try { // 这样的话，str[i][j]，i表示当前的题目的ID，j就表示题目的value。  
                str[qID] = request.getParameterValues(q_id);  

            } catch (Exception e) {  
                System.out.println("request.getParameter()出错");  
                e.printStackTrace();  
            }

这里的面count是总个数，而qID却是主键ID，两个不搭边啊。有可能qid是10,而总个数却是3， 这样数组肯定越界了
感觉楼主可以这样定义数据结构
Map<String,Object> str = new HashMap<String, Object>(); str的key存放qid,value存放题目的value

本文链接地址: 在一个JSP表单内有单选框、复选框、输入框等，在servlet获取值，怎么办？http://www.hongyanliren.com/2014m10/16186.html

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