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springmvc json

2024-07-20 00:48:01   219人阅读

加入支持的jar：

jackson-core-asl

jackson-mapper-asl


项目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.lin.project</groupId>
	<artifactId>mybatis</artifactId>
	<packaging>war</packaging>
	<version>0.0.1-SNAPSHOT</version>
	<name>mybatis Maven Webapp</name>
	<url>http://maven.apache.org</url>
	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>commons-logging</groupId>
			<artifactId>commons-logging</artifactId>
			<version>1.2</version>
		</dependency>
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>1.2.17</version>
		</dependency>
		<dependency>
			<groupId>commons-dbcp</groupId>
			<artifactId>commons-dbcp</artifactId>
			<version>1.4</version>
		</dependency>
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>3.2.7</version>
		</dependency>
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.2.2</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>4.0.6.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-beans</artifactId>
			<version>4.0.6.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-tx</artifactId>
			<version>4.0.6.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-aop</artifactId>
			<version>4.0.6.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>4.0.6.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>4.0.6.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-web</artifactId>
			<version>4.0.6.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context-support</artifactId>
			<version>4.0.6.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-orm</artifactId>
			<version>4.0.6.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>4.0.6.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.aspectj</groupId>
			<artifactId>aspectjweaver</artifactId>
			<version>1.8.2</version>
		</dependency>
		<dependency>
			<groupId>jstl</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>
		<dependency>
			<groupId>taglibs</groupId>
			<artifactId>standard</artifactId>
			<version>1.1.2</version>
		</dependency>

		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.32</version>
		</dependency>
		<dependency>
			<groupId>org.quartz-scheduler</groupId>
			<artifactId>quartz</artifactId>
			<version>2.2.1</version>
		</dependency>
		<dependency>
			<groupId>org.quartz-scheduler</groupId>
			<artifactId>quartz-jobs</artifactId>
			<version>2.2.1</version>
		</dependency>
		<dependency>
			<groupId>org.codehaus.jackson</groupId>
			<artifactId>jackson-core-asl</artifactId>
			<version>1.9.13</version>
		</dependency>
		<dependency>
			<groupId>org.codehaus.jackson</groupId>
			<artifactId>jackson-mapper-asl</artifactId>
			<version>1.9.13</version>
		</dependency>

	</dependencies>
	<build>
		<finalName>mybatis</finalName>
	</build>
</project>

在springmvc配置文件上，使其能转化json格式输出：

<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" >    
		<property name="messageConverters">    
			<list>  
				<bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />  
			</list>   
		</property>    
	</bean>
整个springmvc配置文件如下：

<?xml version="1.0" encoding="UTF-8"?>  
<beans xmlns="http://www.springframework.org/schema/beans"  
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"  
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"  
	xmlns:mvc="http://www.springframework.org/schema/mvc"  
	xsi:schemaLocation="http://www.springframework.org/schema/beans  
	http://www.springframework.org/schema/beans/spring-beans-3.2.xsd  
	http://www.springframework.org/schema/context  
	http://www.springframework.org/schema/context/spring-context-3.2.xsd  
	http://www.springframework.org/schema/aop  
	http://www.springframework.org/schema/aop/spring-aop-3.2.xsd  
	http://www.springframework.org/schema/tx   
	http://www.springframework.org/schema/tx/spring-tx-3.2.xsd  
	http://www.springframework.org/schema/mvc   
	http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd"  
	>
	
	<!-- HandlerMapping -->  
	<bean  
		class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping" />  
		
	<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" >    
		<property name="messageConverters">    
			<list>  
				<bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" />  
			</list>   
		</property>    
	</bean>   
	<!-- HandlerAdapter -->  
	<bean  
		class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter" />  
	<!-- ViewResolver -->  
	<bean  
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
		<property name="viewClass"  
			value=http://www.mamicode.com/"org.springframework.web.servlet.view.JstlView" />  >
controller类：
package com.lin.controller;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import com.lin.model.StudentEntity;
import com.lin.service.StudentService;

@Controller
@RequestMapping(value = http://www.mamicode.com/"/")>

注意在方法上加@ResponseBody使得方法返回值作为响应内容。
springmvc json


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