apache click框架研究（使用maven）

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1.new一个maven工程，在Artifact Id选择maven-archetype-webapp,之后输入你的group id和Artifact id以及包名。

2.为工程新建三个source folder：src/main/java、src/test/java、src/test/resources。

3.右键项目，Java Build Path -> Source

双击每个文件夹的Output folder，选择路径。

src/main/java，src/main/resources，选择target /classes;

src/test/java ，src/test/resources, 选择target/test-classes;

选上Allow output folders for source folders.

4.右键项目，选择Project Facets，点击Convert to faceted from，Dynamic Web Module的Version为2.5(3.0为Java7的)，java version选择1.6

5.修改web.xml文件，内容如下：

<servlet>
    <servlet-name>ClickServlet</servlet-name>
    <servlet-class>org.apache.click.ClickServlet</servlet-class>
    <load-on-startup>0</load-on-startup>
  </servlet>

  <servlet-mapping>
    <servlet-name>ClickServlet</servlet-name>
    <url-pattern>*.htm</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
  	<welcome-file>hello.htm</welcome-file>
  </welcome-file-list>

6.pom文件加入我们需要依赖的包，

<groupId>xxx</groupId>
  <artifactId>xxx</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  <name>xxx Maven Webapp</name>
  <url>http://maven.apache.org</url>
 <properties>
  	<javax.servlet.version>2.5</javax.servlet.version>
                <click.version>2.3.0</click.version>
  </properties>
  <dependencies>
    <dependency>
	<groupId>javax.servlet</groupId>
	<artifactId>servlet-api</artifactId>
	<scope>provided</scope>
	<version>${javax.servlet.version}</version>
   </dependency>

<dependency>
    <groupId>org.apache.click</groupId>
    <artifactId>click-nodeps</artifactId>
    <version>${click.version}</version>
    <scope>compile</scope>
</dependency>

<dependency>
    <groupId>org.apache.click</groupId>
    <artifactId>click-extras</artifactId>
    <version>${click.version}</version>
    <scope>compile</scope>
</dependency>
  </dependencies>

7.在src/main/resources下新建click.xml

<click-app charset="UTF-8">

  <pages package="com.xxx.pages" automapping="true"/>

  <mode value="debug"/>

</click-app>

8.在指定包下新建一个Hello类

public class Hello extends Page{

	
	private static final long serialVersionUID = 1L;

	private ActionLink control=new ActionLink("hello",this,"onClick");
	private ActionLink form=new ActionLink("form",this,"onForm");
	
	
	@Override
	public void onInit() {
		this.addModel("time", new Date());
		
		this.addControl(control);
		this.addControl(form);
		
	}
	
	public Boolean onClick(){
		String msg = "this is control listener!";
	        addModel("msg", msg);
		return true;
	}
	/**
	 * 
	 * 功能描述：两种跳转方式
	 *
	 */
	
	public Boolean onForm(){
		this.setRedirect(xxx.class);
//		this.setRedirect("xxx.htm?hello=i love you!");
		return false;
	}
}

9.在webapp下新建hello.htm页面

<!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=UTF-8">
<title>click</title>
</head>
<body>
	now time is:$time
	
	<div>
	<p>$msg</p>
	
	click <a href="$hello.href">here</a>
	#if ($msg)
    <div> $msg </div>
    #else
    <div>hello world!</div>
  	#end
	</div>click <a href="$form.href">here</a> to skip</body>
</html>

10.部署项目到tomcat，启动并访问。

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