JEECMS自定义标签

package com.jeecms.cms.entity.main;

public class MyContent {
	private Integer id;
	private String title;
	private String content;

	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {
		this.id = id;
	}

	public String getTitle() {
		return title;
	}

	public void setTitle(String title) {
		this.title = title;
	}

	public String getContent() {
		return content;
	}

	public void setContent(String content) {
		this.content = content;
	}

	public MyContent(Integer id, String title, String content) {
		super();
		this.id = id;
		this.title = title;
		this.content = content;
	}

	public MyContent() {
		super();
	}

}

package com.jeecms.cms.dao.main;

import java.util.List;

import com.jeecms.cms.entity.main.MyContent;

public interface MyContentDao {
	public List<MyContent> getList();
}

package com.jeecms.cms.dao.main.impl;

import java.util.List;

import org.springframework.stereotype.Repository;

import com.jeecms.cms.dao.main.MyContentDao;
import com.jeecms.cms.entity.main.MyContent;
import com.jeecms.common.hibernate4.Finder;
import com.jeecms.common.hibernate4.HibernateBaseDao;

@Repository
// 持久层
public class MyContentDaoImpl extends HibernateBaseDao<MyContent, Integer> implements MyContentDao {
	@SuppressWarnings("unchecked")
	public List<MyContent> getList() {
		return find(byNothing());
	}

	private Finder byNothing() {
		Finder f = Finder.create();
		f.append("from MyContent");// 可以在此处添加查询条件或者添加各种方法进行动态查询
		f.setCacheable(true);
		return f;
	}

	@Override
	protected Class<MyContent> getEntityClass() {
		return MyContent.class;
	}
}

package com.jeecms.cms.manager.main;

import java.util.List;

public interface MyContentMng {
  public List getList();
}public interface MyContentMng {
  public List getList();
}

package com.jeecms.cms.manager.main.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.jeecms.cms.dao.main.MyContentDao;
import com.jeecms.cms.entity.main.MyContent;
import com.jeecms.cms.manager.main.MyContentMng;
import com.jeecms.cms.service.ContentListener;

@Service
// ()业务层
@Transactional
public class MyContentMngImpl implements MyContentMng {
	@Transactional(readOnly = true)
	// 配置事务为只读
	public List<MyContent> getList() {
		return myContentDao.getList();
	}

	private MyContentDao myContentDao;

	@Autowired
	// 自动绑定
	public void setMyContentDao(MyContentDao myContentDao) {
		this.myContentDao = myContentDao;
	}

	private List<ContentListener> listenerList;

	@Autowired
	public void setListenerList(List<ContentListener> listenerList) {
		this.listenerList = listenerList;
	}
}

package com.jeecms.cms.action.directive.abs;

import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;

import com.jeecms.cms.manager.main.MyContentMng;

import freemarker.core.Environment;
import freemarker.template.TemplateDirectiveModel;
import freemarker.template.TemplateException;

public abstract class AbstractMyContentDirective implements TemplateDirectiveModel {
	protected Object getData(Map params, Environment env) throws TemplateException {
		return myContentMng.getList();
	}

	@Autowired
	protected MyContentMng myContentMng;
}

public static final String MYOUT_LIST = "mytag_list";

package com.jeecms.cms.action.directive;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.jeecms.cms.action.directive.abs.AbstractMyContentDirective;
import com.jeecms.cms.entity.main.MyContent;

import static com.jeecms.common.web.freemarker.DirectiveUtils.MYOUT_LIST;
import com.jeecms.common.web.freemarker.DefaultObjectWrapperBuilderFactory;
import com.jeecms.common.web.freemarker.DirectiveUtils;
import com.jeecms.core.entity.CmsSite;
import com.jeecms.core.web.util.FrontUtils;

import freemarker.core.Environment;
import freemarker.template.TemplateDirectiveBody;
import freemarker.template.TemplateException;
import freemarker.template.TemplateModel;

public class MyContentListDirective extends AbstractMyContentDirective {
	/**
	 * 模板名称
	 */
	public static final String TPL_NAME = "mycontent_list";

	@SuppressWarnings("unchecked")
	public void execute(Environment env, @SuppressWarnings("rawtypes") Map params,
			TemplateModel[] loopVars, TemplateDirectiveBody body) throws TemplateException,
			IOException {
		// 获取站点
		CmsSite site = FrontUtils.getSite(env);
		// 获取内容列表
		List<MyContent> list = getList(params, env);
		Map<String, TemplateModel> paramWrap = new HashMap<String, TemplateModel>(params);
		// OUT_LIST值为tag_list，将内容列表放入其中
		paramWrap.put(MYOUT_LIST, DefaultObjectWrapperBuilderFactory.getDefaultObjectWrapper()
				.wrap(list));

		// 将params的值复制到variable中

		Map<String, TemplateModel> origMap = DirectiveUtils.addParamsToVariable(env, paramWrap);
		// 没有采用默认的模板，直接采用自己写的简单的模板（mycontent_list.html）
		FrontUtils.includeTpl(TPL_NAME, site, params, env);
		// 将variable中的params值移除
		DirectiveUtils.removeParamsFromVariable(env, paramWrap, origMap);
	}

	@SuppressWarnings("unchecked")
	protected List<MyContent> getList(Map<String, TemplateModel> params, Environment env)
			throws TemplateException {
		return myContentMng.getList();
	}
}