com.haoxuer.discover.user.freemaker.MenusDirective Maven / Gradle / Ivy
package com.haoxuer.discover.user.freemaker;
import com.haoxuer.discover.common.utils.DirectiveUtils;
import com.haoxuer.discover.user.api.apis.MenuApi;
import com.haoxuer.discover.user.api.domain.list.MenuList;
import com.haoxuer.discover.user.api.domain.request.MenuSearchRequest;
import com.haoxuer.discover.user.api.domain.simple.MenuSimple;
import com.haoxuer.discover.user.data.entity.Menu;
import com.haoxuer.discover.user.data.service.MenuService;
import freemarker.core.Environment;
import freemarker.template.ObjectWrapper;
import freemarker.template.TemplateDirectiveBody;
import freemarker.template.TemplateDirectiveModel;
import freemarker.template.TemplateException;
import freemarker.template.TemplateModel;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
/**
* 查找某个节点下一层的菜单
*/
public class MenusDirective implements TemplateDirectiveModel {
@Autowired
MenuApi menuService;
@Override
public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body)
throws TemplateException, IOException {
// 其实完全可以不用它，params是个Map，自己通过key取值就可以了，做一下空值判断
Integer id = DirectiveUtils.getInt("id", params);
Integer size = DirectiveUtils.getInt("size", params);
MenuSearchRequest request=new MenuSearchRequest();
request.setParent(id);
request.setSize(100);
request.setFetch(1);
request.setSortField("sortNum");
request.setSortMethod("asc");
MenuList menuList = menuService.menus(request);
List menus=menuList.getList();
Map paramWrap = new HashMap(params);
paramWrap.put("list", ObjectWrapper.DEFAULT_WRAPPER.wrap(menus));
Map origMap = DirectiveUtils.addParamsToVariable(env, paramWrap);
if (body != null) {
body.render(env.getOut());
}
DirectiveUtils.removeParamsFromVariable(env, paramWrap, origMap);
}
}