我已經經歷了絕對的每一篇文章,涉及到這個主題,嘗試所有在這裏建議的選項......並在幾天後,它仍然不適合我。Spring MVC--返回一個對象爲@ResponseBody時出現的問題(着名的錯誤406,未解決)
總之,我想要做的是:
- 使用jQuery和JSON的類型$。員額從功能html表單數據發送到Spring MVC的控制器。
- 在控制器端我有一個方法應該返回一個String類型文件的對象。
第一點正常工作,我設法發送POST請求,並在控制器端正確接收它。什麼不起作用的是從控制器回到jsp的回答以及爲$ .post()定義的函數。我在Web瀏覽器端調試它,我可以看到Content-Type的響應不是「application/json」(因此我相信Error 406)。
下面是我得到了什麼:
JSP:
<%@ taglib uri="http://www.springframework.org/tags/form"
prefix="springForm"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<link rel="stylesheet"
href="//code.jquery.com/ui/1.11.3/themes/smoothness/jquery-ui.css"/>
<script src="//code.jquery.com/jquery-1.10.2.js"></script>
<script src="//code.jquery.com/ui/1.11.3/jquery-ui.js"></script>
</head>
<body>
<springForm:form method="POST" commandName="signInDto"
action="/EquipmentManager/signIn.do" id="add-user-form">
<p>
Login:
<springForm:input path="login" />
<springForm:errors path="login" cssClass="error" />
</p>
<p>
Password:
<springForm:password path="password" />
<springForm:errors path="password" cssClass="error" />
</p>
<p>${errorMessage}
<p />
<input type="submit" value="Sign In" />
</springForm:form>
<script type="text/javascript">
function collectFormData(fields) {
var data = {};
for (var i = 0; i < fields.length; i++) {
var $item = $(fields[i]);
data[$item.attr('name')] = $item.val();
}
return data;
}
$(document).ready(
function() {
var $form = $('#add-user-form');
$form.bind('submit', function(e) {
// Ajax validation
var $inputs = $form.find('input');
var data = collectFormData($inputs);
$.post('/EquipmentManager/signInValidate', data,
function(response) {
$form.find('.control-group').removeClass(
'error');
$form.find('.help-inline').empty();
$form.find('.alert').remove();
if (response.value == 'FAIL') {
alarm(response.value);
} else {
$form.unbind('submit');
$form.submit();
}
}, 'json');
e.preventDefault();
return false;
});
});
</script>
</body>
</html>
控制器:
@RequestMapping(值= 「/ signInValidate」,方法= RequestMethod.POST) @ResponseBody公TestObject signInValidate(@Valid SignInDto signInDto, BindingResult bindingResult){TestObject testObject = new TestObject();
if (bindingResult.hasErrors()) {
testObject.setValue("FAIL");
logger.info("FAIL");
} else {
testObject.setValue("SUCCESS");
logger.info("SUCCESS");
}
return testObject;
}
豆:
public class TestObject {
private String value;
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
}
調度的Servlet:
<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.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:component-scan base-package="com.equipment.controller" />
<mvc:annotation-driven />
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix">
<value>/WEB-INF/view/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
的pom.xml:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.esocphotoclub</groupId>
<artifactId>EquipmentManager</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>EquipmentManager Maven Webapp</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.1.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.1.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.1.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>4.3.8.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.1.3.Final</version>
</dependency>
<dependency>
<groupId>commons-beanutils</groupId>
<artifactId>commons-beanutils</artifactId>
<version>1.9.2</version>
</dependency>
<dependency>
<groupId>javax.validation</groupId>
<artifactId>validation-api</artifactId>
<version>1.1.0.Final</version>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
<version>2.7</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.7</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>4.1.0.RELEASE</version>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.34</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.1.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.11</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
</dependencies>
<build>
<finalName>EquipmentManager</finalName>
</build>
</project>
我已經嘗試過不同版本的jackson- *,ContentNegotiatingViewResolver的顯式定義,@RequestMapping中的produce =「application/json」的顯式指定,TestObject序列化以及我在這裏找到的其他一些東西。他們都沒有爲我工作。
爲了給你儘可能多的信息,如果我不要求'.post'中的'json'類型,並且在控制器中返回一個簡單的字符串,所有工作都可以正常工作。這不是我想要做的。我想要的是提交一個驗證請求,並接收一個對象,而不是一個簡單的字符串。
任何暗示我會非常感激,也許還有一些我還沒有嘗試。
非常感謝提前!
我的回答和評論有幫助嗎? – minion 2015-02-27 21:10:26