没有问题显示但不工作 - DWR(no issue is shown but does not w

2019-10-16 23:38发布

大家好我使用DWR来处理Java的servlet的Ajax调用,

这就是我的dwr.xml,

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE dwr PUBLIC
"-//GetAhead Limited//DTD Direct Web Remoting 2.0//EN"
"http://getahead.org/dwr/dwr20.dtd">
<dwr>
    <allow>
        <create creator="new" javascript="TempCardServlet">
            <param name="class" value="com.slingmeadia.notifier.servlet.TempCardServlet"/>
        </create>
    </allow>
</dwr>

这是什么我的servlet文件和我打电话

package com.slingmeadia.notifier.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.LinkedHashMap;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;


public class TempCardServlet extends HttpServlet {
 @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {


        String funtionType="";
        if(request.getParameter("functiontype")!=null){
            funtionType = (String)request.getParameter("functiontype");
        }
        if(funtionType.equals("logout")){
            processLogout(request, response);
        }else{

        }

    }
@Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processLogout(request, response);
    }
    public Map sampleFill(int empid,String functiontype){
      System.out.println("functiontype : "+functiontype);
        Map employeeData = new LinkedHashMap();
        if(functiontype.equals("add")){
            employeeData.put("name", "Antony");
        }else{
            employeeData.put("name", "Antony");
            employeeData.put("cardnumber", "87896857852");
            employeeData.put("issuedate", "17/01/2012");
        }
        return employeeData;
    }


}

这就是我如何从调用JSP文件的方法:

<script src='dwr/engine.js'></script>
        <script src='dwr/util.js'></script>
        <script src='dwr/interface/TempCardServlet.js'></script>

        <script>
            function getValues(id) {
                var empid = id.value;
                var optionValue = document.getElementById("selectedOption").value;
                TempCardServlet.sampleFill(empid,optionValue,{callback:setValues,async:false});
            }
            function setValues(tempcardMap) {
                if(tempcardMap !=null){
                    document.getElementById("empname").value=tempcardMap.name;
                    document.getElementById("tempcardnumber").value=tempcardMap.cardnumber;
                    document.getElementById("dateofissue").value=tempcardMap.issuedate;
                }
            }
</script>

这该怎么做我的JavaScript方法的调用:

<td width="55%"><input class="inputBoxes" type="text" name="empid" id="empid" onblur="getValues(this)" /></td>

似乎一切都安排好,没有问题,但它不工作,不给任何excetpion也。

我想这样也

在URL我输入http://localhost:8080/acct/dwr/index.html

它让我知道DWR类的列表:和我的类文件也有,当我试图打开浏览器从类文件,并给出了一些样品的输入,但不给任何错误也没有输出。

请帮我解决这个问题。

问候。

Answer 1:

1.检查DWR路径

如果你将拥有WEB-INF比里面的视图文件

<script src='dwr/engine.js'></script>         
<script src='dwr/util.js'></script>         
<script src='dwr/interface/TempCardServlet.js'></script> 

闯民宅这样一来会不会工作。如果你必须给予适当的路径,如下面

<script src='../dwr/engine.js'></script> 
<script src='../dwr/util.js'></script> 
<script src='../dwr/interface/TempCardServlet.js'></script> 


文章来源: no issue is shown but does not work - dwr