我在使用该应用程序时遇到了一些问题。我有一个注册表单，该注册表单从控制器发布到另一个页面
该页面显示注册表中的查询结果。在结果页面上，我选择一条记录，它返回给我的是
数据到注册页面。用户应该能够在记录返回后更新记录或再次执行查询。
我遇到的问题是当用户在注册表单上执行查询时，它们会发布到结果页面
结果页面会显示，但 url 不会更改。注册网址是http://localhost:8084/crimeTrack/citizen_registration.htm当通过单击查询按钮发布到结果页面时，网址仍然是http://localhost:8084/crimeTrack/citizen_registration.htm当在结果页面（有多个记录）上单击/选择一条记录时，用户将返回到注册页面，并显示
选定的记录并显示给用户现在再次执行更新或查询，url 是http://localhost:8084/crimeTrack/getCitizen/1985121244.htm用户现在位于注册页面。
如果我再次单击查询/更新，我会得到一个HTTP 400 错误并且网址正在读取http://localhost:8084/crimeTrack/getCitizen/citizen_registration.htm/这不是控制器中有效的 URL 映射。我认为网址应该是http://localhost:8084/crimeTrack/citizen_registration.htm当注册页面为
要求。我不确定结果页面的 POST 何时将用户带回到注册页面，网址应该是http://localhost:8084/crimeTrack/getCitizen/1985121244.htm所附号码是公民号码。下面是我的代码，我不确定我是否正确执行了这些调用，我想对我得到的结果进行解释
所经历问题的解决方案；
页面提交使用jquery:
这是注册页面的示例，所有其他页面都遵循相同的模式
JScript
function submitPage(){
document.getElementById("citizenRegistration").action="citizen_registration.htm";
//document.getElementById("citizenRegistration").target="_self";
document.getElementById("citizenRegistration").method = "POST";
document.getElementById("citizenRegistration").submit();
}
公民_注册.jsp
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0//EN">
<html lang="en">
<head>
<title>Citizen Registration</title>
</head>
<body>
<div id="tab1" class="divGroup">
<form:form id="citizenRegistration" name ="citizenRegistration" commandName="citizens">
........................
<div class="buttons">
<ol>
<li><input class="button" id="save" type="submit" name= "user_request" value="Save"/>
<input class="button" id="update" type="submit" name= "user_request" value="Update"/>
<input class="button" id="query" type="submit" name= "user_request" value="Query"/>
</li>
</form:form>
</div>
</body>
</html>
公民列表.jsp
<!DOCTYPE html>
<html lang="en">
<head>
<script type="text/javascript">
function submitPage(socialSecurityNumber){
document.getElementById("citizenList").action="getCitizen/1985121244.htm";//harded coded for testing
//document.getElementById("citizenList").target="_self";
document.getElementById("citizenList").method = "POST";
document.getElementById("citizenList").submit();
}
function GetCitizenTypeDescription(citizenTypeId){
$.ajax({
type:'GET',
url:'getCitizenTypeDescription.htm',
data:{citizenTypeId:citizenTypeId},
dataType: 'text',
success: function (data) {
$('.citizenTypeId').each(function(i){
if($(this).val() === citizenTypeId){
//finds parent div
var parent = $(this).parent();
//search for child element wit class name citizenTypeDesc
var thisCitizenTypeDesc = parent.children('.citizenTypeDesc');
thisCitizenTypeDesc.text(data);
}
});
}
});
}
<title>Citizen Search Results</title>
</head>
<body>
<form:form id="citizenList" name ="citizenList">
<div id ="content">
<c:forEach items="${citizens}" var="citizen">
<div id="table">
<div>
<p><canvas class="canvas" height="240" width="320"></canvas>
</div>
<label class="citizenTypeDesc"></label></br>
<a class="socialSecurityNumber" href="${citizen.socialSecurityNumber}">${citizen.fName} ${citizen.lName}</a>
<input type="hidden" id="photo" value="${citizen.photo}" class="photos"/>
<input type="hidden" id="socialSecurityNumber" value="${citizen.socialSecurityNumber}" />
<input type="hidden" class="citizenTypeId" value="${citizen.citizenTypeId}"/>
</div>
</c:forEach>
</div>
</form:form>
</body>
</html>
CitizenRegistrationController.java
@Controller
public class CitizenRegistrationController {
private final Logger logger = Logger.getLogger(getClass());
@Autowired
private CitizenTypeManager citizenTypeManager;
............
Map<String, Object> myCitizenType = new HashMap<String, Object>();
.......
@InitBinder("citizens")
protected void initBinder(WebDataBinder binder){
//removes white spaces
binder.registerCustomEditor(String.class, new StringTrimmerEditor(true));
//formats date
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
//By passing true this will convert empty strings to null
binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, true));
dateFormat.setLenient(false);
//binder.setValidator(new OfficerRegistrationValidation());
binder.setValidator(citizenRegistrationValidation);
binder.registerCustomEditor(Integer.class,new CustomIntEditor());
}
@RequestMapping(value="citizen_registration.htm", method = RequestMethod.GET)
public ModelAndView loadPage(@ModelAttribute Citizens citizen,
BindingResult result,
ModelMap m,
Model model,
HttpServletRequest request,
HttpServletResponse response) throws Exception {
try{
logger.debug("In Http method for CitizenRegistrationController");
myCitizenType.put("citizenTypeList", this.citizenTypeManager.getCitizenType());
myGender.put("genderList", this.genderManager.getGenderList());
......
return new ModelAndView("citizen_registration");
}catch(Exception e){
logger.error("Exception in CitizenRegistrationController - ModelAndView loadPage "+e);
request.setAttribute("error",e.getMessage());
return new ModelAndView("error_page");
}
}
@RequestMapping(value="citizen_registration.htm", method = RequestMethod.POST)
public ModelAndView handleRequest(@Valid @ModelAttribute Citizens citizen,
BindingResult result,
ModelMap m,
Model model,
@RequestParam(value="user_request") String user_request) throws Exception {
try{
logger.debug("In Http method for CitizenRegistrationController - Punishment Registration");
logger.debug("User Request Is " + user_request);
if(result.hasErrors()){
logger.debug("Has Errors");
return new ModelAndView("citizen_registration");
}else{
//check if its a save of an update
if(user_request.equals("Save")){
citizenManager.RegisterCitizen(citizen);
model.addAttribute("icon","ui-icon ui-icon-circle-check");
model.addAttribute("results","Record Was Saved");
return new ModelAndView("citizen_registration");
}else if (user_request.equals("Query")){
logger.debug("about to preform query");
//citizenManager.getListOfCitizens(citizen);
if(citizenManager.getListOfCitizens(citizen).isEmpty()){
model.addAttribute("icon","ui-icon ui-icon-circle-close");
model.addAttribute("results","Notice: Query Caused No Records To Be Retrived!");
}else{
model.addAttribute("citizens",citizenManager.getListOfCitizens(citizen));
return new ModelAndView("citizenList");
}
}else if (user_request.equals("Update")){
logger.info("About to do update");
citizenManager.UpdateCitizen(citizen);
return new ModelAndView("citizen_registration");
}
}
logger.debug("Has No Errors");
return new ModelAndView("citizen_registration");
}catch(Exception e){
logger.error("Exception in CitizenRegistrationController - ModelAndView loadPage "+e);
//request.setAttribute("error",e.getMessage());
return new ModelAndView("citizen_registration");
}
}
@RequestMapping(value="getCitizen/{socialSecurityNumber}.htm", method = RequestMethod.POST)
public ModelAndView getCitizen(@PathVariable Integer socialSecurityNumber,@ModelAttribute Citizens citizen,
BindingResult result,ModelMap m,Model model,HttpServletRequest request,
HttpServletResponse response) {
try {
model.addAttribute("citizens",citizenManager.getCitizen(socialSecurityNumber));
//model.addAttribute("citizens",citizenManager.getCitizen(socialSecurityNumber));
} catch (Exception e) {
logger.error("Exception in CitizenRegistrationController - ModelAndView getCitizen "+e);
}
return new ModelAndView("citizen_registration");
}
@RequestMapping(value="getCitizenTypeDescription.htm", method=RequestMethod.GET)
public @ResponseBody String citizenTypeDescription(@RequestParam Integer citizenTypeId)throws Exception{
String data = "No Data Found";
try{
data = citizenTypeManager.getCitizenTypeDescription(citizenTypeId);
}catch(Exception e){
data = e.getMessage();
logger.error("Exception In getCitizenTypeDescription.htm error : " + e);
}
return data;
}
//setter methods
/**
* @param citizenTypeManager the citizenTypeManager to set
*/
public void setCitizenTypeManager(CitizenTypeManager citizenTypeManager) {
this.citizenTypeManager = citizenTypeManager;
}
................................
}
Edit
我尝试使用return new ModelAndView("redirect:/citizenList.htm");在控制器中，当用户单击查询时，我得到404 Not Found - http://localhost:8084/crimeTrack/citizenList.htm"
Servlet.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
http://www.springframework.org/schema/beans/spring-context-3.0.xsd">
<!-- __________________________________________________________________________________________________ -->
<!-- Supports annotations and allows the use of @Controller, @Required, @RequestMapping -->
<context:annotation-config/>
<context:component-scan base-package="com.crimetrack.business"/>
<context:component-scan base-package="com.crimetrack.jdbc"/>
<context:component-scan base-package="com.crimetrack.service"/>
<context:component-scan base-package="com.crimetrack.web" />
<mvc:annotation-driven />
<mvc:resources mapping="/resources/**" location="/public-resources/"/>
<!-- __________________________________________________________________________________________________ -->
<!-- Forwards requests to the "/" resource to the "login" view -->
<mvc:view-controller path="/login" view-name="login"/>
<!-- Forwards requests to the "/" resource to the "officer_registration" view -->
<mvc:view-controller path="/officer_registration" view-name="officer_registration"/>
<!-- Forwards requests to the "/" resource to the "citizenList" view -->
<mvc:view-controller path="/citizenList" view-name="citizenList"/>
<!-- Forwards requests to the "/" resource to the "citizen_registration" view -->
<mvc:view-controller path="/citizen_registration" view-name="citizen_registration"/>
<!-- __________________________________________________________________________________________________ -->
<!-- <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/> -->
<!-- Is used to process method level annotations -->
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/>
<!-- __________________________________________________________________________________________________ -->
<!-- <bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"/> -->
<bean id="messageSource" class="org.springframework.context.support.ResourceBundleMessageSource">
<property name="basename" value="messages"/>
</bean>
<bean id="validator" class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean" />
<!-- __________________________________________________________________________________________________ -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property>
<property name="prefix" value="/WEB-INF/jsp/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
</beans>
