SpringMVC+Json构建基于Restful风格的应用(转)

一、spring 版本：spring-framework-3.2.7.RELEASE

二、所需其它Jar包：

三、主要代码：

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    version="2.5">

    <context-param>
        <param-name>log4jConfigLocation</param-name>
        <param-value>classpath:log4j.properties</param-value>
    </context-param>
    <context-param>
        <param-name>log4jRefreshInterval</param-name>
        <param-value>60000</param-value>
    </context-param>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>

    <!-- 编码过虑 -->
    <filter>
        <filter-name>encodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>encodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!-- Spring监听 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- Spring MVC DispatcherServlet -->
    <servlet>
        <servlet-name>springMVC3</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springMVC-servlet.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>springMVC3</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!-- 解决HTTP PUT请求Spring无法获取请求参数的问题 -->
    <filter>
        <filter-name>HiddenHttpMethodFilter</filter-name>
        <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>HiddenHttpMethodFilter</filter-name>
        <servlet-name>springMVC3</servlet-name>
    </filter-mapping>


    <display-name>UikitTest</display-name>
    <welcome-file-list>
        <welcome-file>/WEB-INF/jsp/index.jsp</welcome-file>
    </welcome-file-list>

</web-app>

springMVC-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans default-lazy-init="true"
    xmlns="http://www.springframework.org/schema/beans" xmlns:p="http://www.springframework.org/schema/p"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="
       http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
       http://www.springframework.org/schema/mvc
       http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-3.1.xsd">

    <!-- 注解驱动 -->
    <mvc:annotation-driven />

    <!-- 扫描包 -->
    <context:component-scan base-package="com.citic.test.action" />

    <!-- 用于页面跳转,根据请求的不同跳转到不同页面，如请求index.do则跳转到/WEB-INF/jsp/index.jsp -->
    <bean id="findJsp"
        class="org.springframework.web.servlet.mvc.UrlFilenameViewController" />

    <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
        <property name="mappings">
            <props>
                <prop key="index.do">findJsp</prop><!-- 表示index.do转向index.jsp页面 -->
                <prop key="first.do">findJsp</prop><!-- 表示first.do转向first.jsp页面 -->
            </props>
        </property>
    </bean>

    <!-- 视图解析 -->
    <bean class="org.springframework.web.servlet.view.UrlBasedViewResolver">
        <!-- 返回的视图模型数据需要经过jstl来处理 -->
        <property name="viewClass"
            value="org.springframework.web.servlet.view.JstlView" />
        <property name="prefix" value="/WEB-INF/jsp/" />
        <property name="suffix" value=".jsp" />
    </bean>

    <!-- 对静态资源文件的访问 不支持访问WEB-INF目录 -->
    <mvc:default-servlet-handler />

    <!-- 对静态资源文件的访问 支持访问WEB-INF目录 -->
    <!-- <mvc:resources location="/uikit-2.3.1/" mapping="/uikit-2.3.1/**" /> -->


    <bean id="stringConverter" class="org.springframework.http.converter.StringHttpMessageConverter">
        <property name="supportedMediaTypes">
            <list>
                <value>text/plain;charset=UTF-8</value>
            </list>
        </property>
    </bean>

    <!-- 输出对象转JSON支持 -->
    <bean id="jsonConverter"
        class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"></bean>
    <bean
        class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
        <property name="messageConverters">
            <list>
                <ref bean="stringConverter"/>
                <ref bean="jsonConverter" />
            </list>
        </property>
    </bean>

</beans>

Controller：

package com.citic.test.action;

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

import net.sf.json.JSONObject;

import org.apache.log4j.Logger;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import com.citic.test.entity.Person;

/**
 * 基于Restful风格架构测试
 *
 * @author dekota
 * @since JDK1.5
 * @version V1.0
 * @history 2014-2-15 下午3:00:12 dekota 新建
 */
@Controller
public class DekotaAction {

    /** 日志实例 */
    private static final Logger logger = Logger.getLogger(DekotaAction.class);

    @RequestMapping(value = "/hello", produces = "text/plain;charset=UTF-8")
    public @ResponseBody
    String hello() {
        return "你好！hello";
    }

    @RequestMapping(value = "/say/{msg}", produces = "application/json;charset=UTF-8")
    public @ResponseBody
    String say(@PathVariable(value = "msg") String msg) {
        return "{"msg":"you say:'" + msg + "'"}";
    }

    @RequestMapping(value = "/person/{id:\d+}", method = RequestMethod.GET)
    public @ResponseBody
    Person getPerson(@PathVariable("id") int id) {
        logger.info("获取人员信息id=" + id);
        Person person = new Person();
        person.setName("张三");
        person.setSex("男");
        person.setAge(30);
        person.setId(id);
        return person;
    }

    @RequestMapping(value = "/person/{id:\d+}", method = RequestMethod.DELETE)
    public @ResponseBody
    Object deletePerson(@PathVariable("id") int id) {
        logger.info("删除人员信息id=" + id);
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("msg", "删除人员信息成功");
        return jsonObject;
    }

    @RequestMapping(value = "/person", method = RequestMethod.POST)
    public @ResponseBody
    Object addPerson(Person person) {
        logger.info("注册人员信息成功id=" + person.getId());
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("msg", "注册人员信息成功");
        return jsonObject;
    }

    @RequestMapping(value = "/person", method = RequestMethod.PUT)
    public @ResponseBody
    Object updatePerson(Person person) {
        logger.info("更新人员信息id=" + person.getId());
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("msg", "更新人员信息成功");
        return jsonObject;
    }

    @RequestMapping(value = "/person", method = RequestMethod.PATCH)
    public @ResponseBody
    List<Person> listPerson(@RequestParam(value = "name", required = false, defaultValue = "") String name) {

        logger.info("查询人员name like " + name);
        List<Person> lstPersons = new ArrayList<Person>();

        Person person = new Person();
        person.setName("张三");
        person.setSex("男");
        person.setAge(25);
        person.setId(101);
        lstPersons.add(person);

        Person person2 = new Person();
        person2.setName("李四");
        person2.setSex("女");
        person2.setAge(23);
        person2.setId(102);
        lstPersons.add(person2);

        Person person3 = new Person();
        person3.setName("王五");
        person3.setSex("男");
        person3.setAge(27);
        person3.setId(103);
        lstPersons.add(person3);

        return lstPersons;
    }

}

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme() + "://"
            + request.getServerName() + ":" + request.getServerPort()
            + path + "/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>Uikit Test</title>
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <link rel="stylesheet" type="text/css"   href="uikit-2.3.1/css/uikit.gradient.min.css">
    <link rel="stylesheet" type="text/css" href="uikit-2.3.1/addons/css/notify.gradient.min.css">
</head>
<body>
<div
    style="800px;margin-top:10px;margin-left: auto;margin-right: auto;text-align: center;">
    <h2>Uikit Test</h2>
</div>
<div style="800px;margin-left: auto;margin-right: auto;">
    <fieldset class="uk-form">
        <legend>Uikit表单渲染测试</legend>
        <div class="uk-form-row">
            <input type="text" class="uk-width-1-1">
        </div>
        <div class="uk-form-row">
            <input type="text" class="uk-width-1-1 uk-form-success">
        </div>
        <div class="uk-form-row">
            <input type="text" class="uk-width-1-1 uk-form-danger">
        </div>
        <div class="uk-form-row">
            <input type="text" class="uk-width-1-1">
        </div>
        <div class="uk-form-row">
            <select id="form-s-s">
                <option>---请选择---</option>
                <option>是</option>
                <option>否</option>
            </select>
        </div>
        <div class="uk-form-row">
            <input type="date" id="form-h-id" />
        </div>
    </fieldset>
    <fieldset class="uk-form">
        <legend>基于Restful架构风格的资源请求测试</legend>
        <button class="uk-button uk-button-primary uk-button-large" id="btnGet">获取人员GET</button>
        <button class="uk-button uk-button-primary uk-button-large" id="btnAdd">添加人员POST</button>
        <button class="uk-button uk-button-primary uk-button-large" id="btnUpdate">更新人员PUT</button>
        <button class="uk-button uk-button-danger uk-button-large" id="btnDel">删除人员DELETE</button>
        <button class="uk-button uk-button-primary uk-button-large" id="btnList">查询列表PATCH</button>
    </fieldset>
</div>

<script type="text/javascript" src="js/jquery-1.11.0.min.js"></script>
<script type="text/javascript" src="uikit-2.3.1/js/uikit.min.js"></script>
<script type="text/javascript" src="uikit-2.3.1/addons/js/notify.min.js"></script>
<script type="text/javascript">
    (function(window,$){

        var dekota={

            url:'',

            init:function(){
                dekota.url='<%=basePath%>';
                $.UIkit.notify("页面初始化完成", {status:'info',timeout:500});
                $("#btnGet").click(dekota.getPerson);
                $("#btnAdd").click(dekota.addPerson);
                $("#btnDel").click(dekota.delPerson);
                $("#btnUpdate").click(dekota.updatePerson);
                $("#btnList").click(dekota.listPerson);
            },
            getPerson:function(){
                $.ajax({
                    url: dekota.url + 'person/101/',
                    type: 'GET',
                    dataType: 'json'
                }).done(function(data, status, xhr) {
                    $.UIkit.notify("获取人员信息成功", {status:'success',timeout:1000});
                }).fail(function(xhr, status, error) {
                    $.UIkit.notify("请求失败！", {status:'danger',timeout:2000});
                });
            },
            addPerson:function(){
                $.ajax({
                    url: dekota.url + 'person',
                    type: 'POST',
                    dataType: 'json',
                    data: {id: 1,name:'张三',sex:'男',age:23}
                }).done(function(data, status, xhr) {
                    $.UIkit.notify(data.msg, {status:'success',timeout:1000});
                }).fail(function(xhr, status, error) {
                    $.UIkit.notify("请求失败！", {status:'danger',timeout:2000});
                });
            },
            delPerson:function(){
                $.ajax({
                    url: dekota.url + 'person/109',
                    type: 'DELETE',
                    dataType: 'json'
                }).done(function(data, status, xhr) {
                    $.UIkit.notify(data.msg, {status:'success',timeout:1000});
                }).fail(function(xhr, status, error) {
                    $.UIkit.notify("请求失败！", {status:'danger',timeout:2000});
                });
            },
            updatePerson:function(){
                $.ajax({
                    url: dekota.url + 'person',
                    type: 'POST',//注意在传参数时，加：_method:'PUT'　将对应后台的PUT请求方法
                    dataType: 'json',
                    data: {_method:'PUT',id: 221,name:'王五',sex:'男',age:23}
                }).done(function(data, status, xhr) {
                    $.UIkit.notify(data.msg, {status:'success',timeout:1000});
                }).fail(function(xhr, status, error) {
                    $.UIkit.notify("请求失败！", {status:'danger',timeout:2000});
                });
            },
            listPerson:function(){
                $.ajax({
                    url: dekota.url + 'person',
                    type: 'POST',//注意在传参数时，加：_method:'PATCH'　将对应后台的PATCH请求方法
                    dataType: 'json',
                    data: {_method:'PATCH',name: '张三'}
                }).done(function(data, status, xhr) {
                    $.UIkit.notify("查询人员信息成功", {status:'success',timeout:1000});
                }).fail(function(xhr, status, error) {
                    $.UIkit.notify("请求失败！", {status:'danger',timeout:2000});
                });
            }
        };
        window.dekota=(window.dekota)?window.dekota:dekota;
        $(function(){
            dekota.init();
        });
    })(window,jQuery);

</script>
</body>
</html>

部分调试效果：

http://blog.csdn.net/greensurfer/article/details/19296247