Phalcon VS Spring 用法对照表(一)
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Phalcon VS Spring
http://www.netkiller.cn/journal/phalcon.spring.html
Mr. Neo Chen (陈景峯), netkiller, BG7NYT
中国广东省深圳市龙华新区民治街道溪山美地
518131
+86 13113668890
<[email protected]>
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2015-11-25
摘要
Phalcon VS Spring 用法对照表
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目录
1. Install
1.1. Phalcon
1.2. Spring
2. Project initialization
2.1. Phalcon
2.2. Spring
3. Controller
3.4.1. Phalcon
3.4.2. Spring
3.3.1. Phalcon
3.3.2. Spring
3.2.1. Phalcon
3.2.2. Spring
3.1.1. Phalcon
3.1.2. Spring
3.1. welcome
3.2. pathinfo
3.3. HTTP Get
3.4. HTTP Post
4. View
4.4.1. Phalcon
4.4.2. Spring
4.3.1. Phalcon
4.3.2. Spring
4.2.1. Phalcon
4.2.2. Spring
4.1.1. Phalcon
4.1.2. Spring
4.1. Variable
4.2. Array
4.3. Map or Hashmap
4.4. From
5. Model
5.1. Phalcon
5.2. MyBatis
6. Cache
6.3.1.
6.3.2.
6.2.1. Phalcon
6.2.2. MyBatis
6.1.1. Phalcon
6.1.2. Spring
6.1. Redis
6.2. Model + Cache
6.3. Phalcon vs Ehcache
7. JSON Data
7.1. Phalcon
7.2. Spring
8. Message Queue
8.1. Phalcon
8.2. Spring
1. Install
1.1. Phalcon
FYI https://github.com/oscm/shell/blob/master/lang/php/pecl/phalcon.sh
You need to install with compiler, make tools.
#!/bin/sh cd /usr/local/src/ git clone --depth=1 git://github.com/phalcon/cphalcon.git cd cphalcon/build ./install cat > /srv/php/etc/conf.d/phalcon.ini <<EOF extension=phalcon.so EOF
1.2. Spring
You just only create a file as pom.xml, the maven will be fetch them.
<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/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>Spring</groupId> <artifactId>Spring</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>war</packaging> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>4.1.1.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>4.1.1.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.1.1.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>4.1.1.RELEASE</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <version>1.1.3</version> </dependency> </dependencies> <build> <sourceDirectory>src</sourceDirectory> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.3</version> <configuration> <source>1.6</source> <target>1.6</target> </configuration> </plugin> <plugin> <artifactId>maven-war-plugin</artifactId> <version>2.6</version> <configuration> <warSourceDirectory>WebContent</warSourceDirectory> <failOnMissingWebXml>false</failOnMissingWebXml> </configuration> </plugin> </plugins> </build> </project>
2. Project initialization
2.1. Phalcon
<?php
use Phalcon\Mvc\Dispatcher;
use Phalcon\Events\Manager as EventsManager;
use Phalcon\Logger;
try {
/**
* Read the configuration
*/
$config = include(__DIR__."/../app/config/config.php");
$loader = new \Phalcon\Loader();
/**
* We're a registering a set of directories taken from the configuration file
*/
$loader->registerDirs(
array(
$config->application->controllersDir,
$config->application->modelsDir,
$config->application->formsDir,
$config->application->imagesDir,
)
)->register();
$loader->registerNamespaces(array(
'Phalcon' => __DIR__.'/../../Library/Phalcon/'
));
$loader->register();
/**
* The FactoryDefault Dependency Injector automatically register the right services providing a full stack framework
*/
$di = new \Phalcon\DI\FactoryDefault();
$di->set('dispatcher', function() use ($di) {
$eventsManager = new EventsManager;
$dispatcher = new Dispatcher;
$dispatcher->setEventsManager($eventsManager);
return $dispatcher;
});
/**
* The URL component is used to generate all kind of urls in the application
*/
$di->set('url', function() use ($config) {
$url = new \Phalcon\Mvc\Url();
$url->setBaseUri($config->application->baseUri);
return $url;
});
/**
* Setting up the view component
*/
$di->set('view', function() use ($config) {
$view = new \Phalcon\Mvc\View();
$view->setViewsDir($config->application->viewsDir);
return $view;
});
/**
* 数据库加密key
*/
$di->set('config', function() use ($config) {
return $config;
});
/**
* Database connection is created based in the parameters defined in the configuration file
*/
$di->set('db', function() use ($config) {
return new \Phalcon\Db\Adapter\Pdo\Mysql(array(
"host" => $config->database->host,
"username" => $config->database->username,
"password" => $config->database->password,
"dbname" => $config->database->dbname
));
});
/**
* Start the session the first time some component request the session service
*/
$di->set('session', function() {
$session = new \Phalcon\Session\Adapter\Files();
$session->start();
return $session;
});
/*
$di->set('session', function() use ($config) {
$session = new Phalcon\Session\Adapter\Redis(array(
'path' => sprintf("tcp://%s:%s?weight=1",$config->redis->host, $config->redis->port)
));
$session->start();
return $session;
});
*/
/**
* If the configuration specify the use of metadata adapter use it or use memory otherwise
*/
$di->set('modelsMetadata', function() use ($config) {
if (isset($config->models->metadata)) {
$metadataAdapter = 'Phalcon\Mvc\Model\Metadata\\'.$config->models->metadata->adapter;
return new $metadataAdapter();
} else {
return new \Phalcon\Mvc\Model\Metadata\Memory();
}
});
/**
* If the configuration specify the use of metadata adapter use it or use memory otherwise
*/
$di->set('modelsManager', function() {
return new Phalcon\Mvc\Model\Manager();
});
/**
* Handle the request
*/
$application = new \Phalcon\Mvc\Application();
$application->setDI($di);
echo $application->handle()->getContent();
} catch (Phalcon\Exception $e) {
echo $e->getMessage();
} catch (PDOException $e){
echo $e->getMessage();
}
2.2. Spring
WebContent\WEB-INF
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"> <display-name>Spring</display-name> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> <welcome-file>default.html</welcome-file> <welcome-file>default.htm</welcome-file> <welcome-file>default.jsp</welcome-file> </welcome-file-list> <servlet> <servlet-name>netkiller</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>netkiller</servlet-name> <url-pattern>/welcome.jsp</url-pattern> <url-pattern>/welcome.html</url-pattern> <url-pattern>*.html</url-pattern> </servlet-mapping> </web-app>
netkiller-servlet.xml
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <context:component-scan base-package="cn.netkiller.controller" /> <bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="/WEB-INF/jsp/" /> <property name="suffix" value=".jsp" /> </bean> </beans>
3. Controller
3.1. welcome
3.1.1. Phalcon
<?php
class IndexController extends ControllerBase
{
public function indexAction()
{
}
public function welcomeAction()
{
$message = "Helloworld!!!";
$this->view->setVar('message',$message);
}
}
3.1.2. Spring
package cn.netkiller.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class Welcome {
@RequestMapping("/welcome")
public ModelAndView helloWorld() {
String message = "Helloworld!!!";
return new ModelAndView("welcome", "message", message);
}
}
3.2. pathinfo
http://www.netkiller.cn/news/list/100.html
http://www.netkiller.cn/news/detail/100/1000.html
3.2.1. Phalcon
<?php
class NewsController extends \Phalcon\Mvc\Controller
{
public function listAction($category_id)
{
$this->view->setVar('category_id',$category_id);
}
public function detailAction($category_id, $article_id)
{
$this->view->setVar('category_id',$category_id);
$this->view->setVar('article_id',$article_id);
}
}
3.2.2. Spring
package cn.netkiller.controller;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class Pathinfo {
@RequestMapping("/news/list/{category_id}")
public ModelAndView urlTestId(@PathVariable String category_id) {
return new ModelAndView("news/list", "category_id", category_id);
}
@RequestMapping("/news/detail/{category_id}/{article_id}")
public ModelAndView urlTestId(@PathVariable String category_id, @PathVariable String article_id) {
ModelMap model = new ModelMap();
model.addAttribute("category_id", category_id);
model.addAttribute("article_id", article_id);
return new ModelAndView("news/detail", model);
}
}
3.3. HTTP Get
http://www.netkiller.cn/member/[email protected]
3.3.1. Phalcon
<?php
class MemberController extends ControllerBase
{
public function loginAction()
{
echo "email=" . $request->get("email");
}
}
3.3.2. Spring
package cn.netkiller.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class Welcome {
@RequestMapping("/member/login")
@ResponseBody
public String getEmailWithRequestParam(@RequestParam("email") String email) {
return "email=" + email;
}
}
如果参数很多写起来就非常辛苦
package cn.netkiller.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class Welcome {
@RequestMapping("/member/login")
@ResponseBody
public String getEmailWithRequestParam(
@RequestParam("email") String email
@RequestParam("password") String password
...
...
@RequestParam("ext") String ext
) {
...
...
...
}
}
3.4. HTTP Post
3.4.1. Phalcon
<?php
class MemberController extends ControllerBase
{
public function loginAction()
{
echo "email=" . $request->getPost("email");
}
}
3.4.2. Spring
4. View
4.1. Variable
4.1.1. Phalcon
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<?php echo ${message} ?>
</body>
</html>
4.1.2. Spring
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
${message}
</body>
</html>
4.2. Array
4.2.1. Phalcon
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<?php foreach($books as $book) {?>
<?php echo $book ?> <br>
<?php } ?>
</body>
</html>
4.2.2. Spring
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<c:forEach items="${books}" var="book">
<c:out value="${book}"></c:out><br>
</c:forEach>
</body>
</html>
4.3. Map or Hashmap
4.3.1. Phalcon
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<?php foreach($books as $key=>$value) {?>
<?php echo $key ?> : <?php echo $value ?> <br>
<?php } ?>
</body>
</html>
4.3.2. Spring
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<c:forEach items="${books}" var="book">
<c:out value="${book.key}"></c:out> : <c:out value="${book.value}"></c:out> <br>
</c:forEach>
</body>
</html>
4.4. From
4.4.1. Phalcon
<?php
use Phalcon\Tag;
$this->tag->setDoctype(Tag::HTML401_STRICT);
?>
<html>
<head>
<title>Registration Page</title>
</head>
<body>
<?php = $this->tag->form("products/search") ?>
<?php= $this->tag->textField("name") ?>
<?php echo $this->tag->passwordField(array("password", "size" => 30)) ?>
<?php echo $this->tag->select(array("status", array("A" => "Active","I" => "Inactive")));?>
<?php echo $this->tag->textArea(array("aboutYou","","cols" => "6","rows" => 20)) ?>
<?php echo $this->tag->hiddenField(array("parent_id","value"=> "5")) ?>
<?= $this->tag->submitButton("Register"); ?>
<?php = $this->tag->endForm() ?>
</body>
</html>
4.4.2. Spring
<%@ taglib uri="http://www.springframework.org/tags/form" prefix="form"%>
<html>
<head>
<title>Registration Page</title>
</head>
<body>
<form:form method="POST" commandName="user">
<form:input path="name" />
<form:password path="password" />
<form:radiobutton path="gender" value="M" label="M" />
<form:radiobutton path="gender" value="F" label="F" />
<form:select path="country">
<form:option value="0" label="Select" />
<form:options items="${countryList}" itemValue="countryId" itemLabel="countryName" />
</form:select>
<form:textarea path="aboutYou" />
<form:checkboxes path="communityList" items="${communityList}" itemValue="key" itemLabel="value" />
<form:checkbox path="mailingList" label="Would you like to join our mailinglist?" />
<input type="submit" value="Register">
</form:form>
</body>
</html>
5. Model
5.1. Phalcon
模型定义
<?php
class User extends \Phalcon\Mvc\Model
{
public function initialize()
{
}
}
在控制器重调用查询数据
<?php $user = User::find(); print_r($user);
5.2. MyBatis
Maven 增加mybatis与mysql依赖设置
<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/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>MyBatis</groupId> <artifactId>MyBatis</artifactId> <version>0.0.1-SNAPSHOT</version> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.3.0</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.37</version> </dependency> </dependencies> <build> <sourceDirectory>src</sourceDirectory> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.3</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> </plugins> </build> </project>
mybatis.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> <environments default="development"> <environment id="development"> <transactionManager type="JDBC" /> <!-- 配置数据库连接信息 --> <dataSource type="POOLED"> <property name="driver" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql://192.168.6.1:3306/mybatis" /> <property name="username" value="mybatis" /> <property name="password" value="mybatis" /> </dataSource> </environment> </environments> <mappers> <mapper resource="cn/netkiller/mapping/userMapping.xml" /> </mappers> </configuration>
cn/netkiller/mapping/userMapping.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="cn.netkiller.mapping.UserMapping">
<select id="getUser" parameterType="String" resultType="cn.netkiller.model.User">
select * from user where id=#{id}
</select>
</mapper>
数据类型映射
package cn.netkiller.model;
public class User {
private String id;
private String name;
private int age;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public String toString() {
return "User [id=" + id + ", name=" + name + ", age=" + age + "]";
}
}
测试程序
package cn.netkiller.test;
import java.io.InputStream;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import cn.netkiller.model.*;
public class Test {
public static void main(String[] args) {
// TODO Auto-generated method stub
String resource = "mybatis.xml";
InputStream is = Tests.class.getClassLoader().getResourceAsStream(resource);
SqlSessionFactory sessionFactory = new SqlSessionFactoryBuilder().build(is);
SqlSession session = sessionFactory.openSession();
String statement = "cn.netkiller.mapping.UserMapping.getUser";// 映射sql的标识字符串
User user = session.selectOne(statement, "2");
System.out.println(user.toString());
}
}
6. Cache
6.1. Redis
6.1.1. Phalcon
//Cache arbitrary data
$this->cache->save('my-key', array(1, 2, 3, 4, 5));
//Get data
$data = $this->cache->get('my-key');
6.1.2. Spring
pom.xml
<dependencies> <dependency> <groupId>org.springframework.data</groupId> <artifactId>spring-data-redis</artifactId> <version>1.6.1.RELEASE</version> </dependency> </dependencies>
Configure RedisTemplate....
<bean id="jedisConnFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" p:use-pool="true"/> <!-- redis template definition --> <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate" p:connection-factory-ref="jedisConnFactory"/>
Testing
public class Example {
// inject the actual template
@Autowired
private RedisTemplate<String, String> template;
// inject the template as ListOperations
// can also inject as Value, Set, ZSet, and HashOperations
@Resource(name="redisTemplate")
private ListOperations<String, String> listOps;
public void addLink(String userId, URL url) {
listOps.leftPush(userId, url.toExternalForm());
// or use template directly
redisTemplate.boundListOps(userId).leftPush(url.toExternalForm());
}
}
6.2. Model + Cache
6.2.1. Phalcon
$articles = Article::find(array(
"cache" => array("service"=> 'redis', "key" => $key, "lifetime" => 60)
));
6.2.2. MyBatis
MyBatis Redis Cache adapter http://mybatis.github.io/redis-cache
pom.xml
<dependencies> <!-- | Provided dependencies --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.3.0</version> <scope>provided</scope> </dependency> <!-- | compile dependencies --> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>2.7.3</version> <scope>compile</scope> </dependency> </dependencies>
6.3. Phalcon vs Ehcache
6.3.1.
6.3.2.
7. JSON Data
7.1. Phalcon
Encode
<?php $json = array( 'contact' => array( 'name' => 'Neo', 'website' => 'http://www.netkiller.cn', 'nickname' => 'netkiller' ) ); print(json_encode($json));
Output
{"contact":{"name":"Neo","website":"http:\/\/www.netkiller.cn","nickname":"netkiller"}}
Decode
<?php
$string = '{"contact":{"name":"Neo","website":"http:\/\/www.netkiller.cn","nickname":"netkiller"}}';
print_r(json_decode($string));
输出
stdClass Object ( [contact] => stdClass Object ( [name] => Neo [website] => http://www.netkiller.cn [nickname] => netkiller ) )
7.2. Spring
JSON 编码
package netkiller.json;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import javax.json.*;
public final class Writer {
public static void main(String[] args) {
// TODO Auto-generated method stub
JsonObjectBuilder jsonBuilder = Json.createObjectBuilder();
JsonObjectBuilder addressBuilder = Json.createObjectBuilder();
JsonArrayBuilder phoneNumBuilder = Json.createArrayBuilder();
phoneNumBuilder.add("12355566688").add("0755-2222-3333");
addressBuilder.add("street", "Longhua").add("city", "Shenzhen").add("zipcode", 518000);
jsonBuilder.add("nickname", "netkiller").add("name", "Neo").add("department", "IT").add("role", "Admin");
jsonBuilder.add("phone", phoneNumBuilder);
jsonBuilder.add("address", addressBuilder);
JsonObject jsonObject = jsonBuilder.build();
System.out.println(jsonObject);
try {
// write to file
File file = new File("json.txt");
if (!file.exists()) {
file.createNewFile();
}
OutputStream os = null;
os = new FileOutputStream(file);
JsonWriter jsonWriter = Json.createWriter(os);
jsonWriter.writeObject(jsonObject);
jsonWriter.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
运行后输出
{"nickname":"netkiller","name":"Neo","department":"IT","role":"Admin","phone":["12355566688","0755-2222-3333"],"address":{"street":"Longhua","city":"Shenzhen","zipcode":"518000"}}
JSON 解码
package netkiller.json;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.json.Json;
import javax.json.JsonArray;
import javax.json.JsonObject;
import javax.json.JsonReader;
import javax.json.JsonValue;
public final class Reader {
public static final String JSON_FILE="json.txt";
public static void main(String[] args) throws IOException {
InputStream fis = new FileInputStream(JSON_FILE);
//create JsonReader object
JsonReader jsonReader = Json.createReader(fis);
//get JsonObject from JsonReader
JsonObject jsonObject = jsonReader.readObject();
//we can close IO resource and JsonReader now
jsonReader.close();
fis.close();
System.out.printf("nickname: %s \n", jsonObject.getString("nickname"));
System.out.printf("name: %s \n", jsonObject.getString("name"));
System.out.printf("department: %s \n", jsonObject.getString("department"));
System.out.printf("role: %s \n", jsonObject.getString("role"));
JsonArray jsonArray = jsonObject.getJsonArray("phone");
//long[] numbers = new long[jsonArray.size()];
int index = 0;
for(JsonValue value : jsonArray){
//numbers[index++] = Long.parseLong(value.toString());
System.out.printf("phone[%d]: %s \n", index++, value.toString());
}
//reading inner object from json object
JsonObject innerJsonObject = jsonObject.getJsonObject("address");
System.out.printf("address: %s, %s, %d \n", innerJsonObject.getString("street"), innerJsonObject.getString("city"), innerJsonObject.getInt("zipcode"));
}
}
运行结果
nickname: netkiller
name: Neo
department: IT
role: Admin
phone[0]: +8612355566688
phone[1]: 0755-2222-3333
address: Longhua, Shenzhen, 518000