前端xhr  js

 

var buildTag = {	/*	 *构建数据字典某一项的下拉框	 */	getInfoTypeDatas:function(selectId,infoCode,defaultValue){		$.get(basePath+"/tag/build!getInfoTypeDatas.action?infoCode="+infoCode,function(arg){			for(var i=0; i
    
     ",{					value:arg[i].id,					text:arg[i].name				}).appendTo($("#"+selectId));			}		},"json");	},		/*	 *选择城市	 */	selectCity:function(selectId,defaultValue){		this.getInfoTypeDatas(selectId,"city",defaultValue);	},	selectCompanyType:function(selectId,defaultValue){		this.getInfoTypeDatas(selectId,"companyType",defaultValue);	},	selectApplicationType:function(selectId,defaultValue){		this.getInfoTypeDatas(selectId,"applicationType",defaultValue);	},	/**	 * feedback type	 * @param selectId	 * @param defaultValue	 */	selectFeedbackType:function(selectId,defaultValue){		this.getInfoTypeDatas(selectId,"feedbacktype",defaultValue);	}		};
    

后端java代码

 

action

 

import java.util.List;import javax.annotation.Resource;import com.google.gson.Gson;import cn.com.qytx.cbb.domain.InfoType;import cn.com.qytx.cbb.service.IInfoType;public class BuildTagAction extends BaseAction {	private String infoCode;		@Resource(name="infoTypeImpl")	private IInfoType
    
      infoTypeService;			public String getInfoCode() {		return infoCode;	}	public void setInfoCode(String infoCode) {		this.infoCode = infoCode;	}	public String getInfoTypeDatas() throws Exception{		List
     
       list = infoTypeService.findByCode(infoCode);		if(list!=null){			Gson gson = new Gson();			ajax(gson.toJson(list));		}else{			ajax("");		}		return null;	}}
     
    

service

 

 

public List
    
      findByCode(String code){		InfoType it = infoTypeDao.findByCode(code);		Integer parentId = it.getId();		return infoTypeDao.findSysList(parentId);	}
    

 

java bean

 

public class InfoType extends BaseEntity{	public enum InfoCode{		feedbacktype("feedbacktype");		private InfoCode(String infocode){			this.infocode = infocode;		}		String infocode;		public String getInfoCode(){			return infocode;		}	}	    /**     * 序列号     */    private static final long serialVersionUID = 2669727616436832468L;    @Expose    private String name; // key    private String infoCode; // 值    private Integer recordUserId; // 记录人或最后修改人    private Integer parentId;    private Timestamp createDate;    private Timestamp modifyDate;    public Integer getParentId() {		return parentId;	}	public void setParentId(Integer parentId) {		this.parentId = parentId;	}	public Timestamp getCreateDate() {		return createDate;	}	public void setCreateDate(Timestamp createDate) {		this.createDate = createDate;	}	public Timestamp getModifyDate() {		return modifyDate;	}	public void setModifyDate(Timestamp modifyDate) {		this.modifyDate = modifyDate;	}	public String getName()    {        return this.name;    }    public void setName(String name)    {        this.name = name;    }    public Integer getRecordUserId()    {        return recordUserId;    }    public void setRecordUserId(Integer recordUserId)    {        this.recordUserId = recordUserId;    }	public String getInfoCode() {		return infoCode;	}	public void setInfoCode(String infoCode) {		this.infoCode = infoCode;	}	}

 

util

 

package cn.com.qytx.ayzw.util;import java.util.HashMap;import java.util.Map;import cn.com.qytx.cbb.domain.InfoType;/** * 功能：字典表工具类，单例模式 * 版本: 1.0 * 开发人员：贾永强 * 创建日期: 下午4:40:07  * 修改日期：下午4:40:07  * 修改列表： */public class InfoTypeUtil {		/*******单例模式开始********/	private static InfoTypeUtil instance = null;	private InfoTypeUtil(){			}	public static synchronized InfoTypeUtil getInstance(){		if(instance == null){			instance = new InfoTypeUtil();		}		return instance;	}		/*******单例模式结束********/		private static Map
    
      container = new HashMap
     
      ();		/**	 * 功能：	 * @param	 * @return	 * @throws   	 */	public void putToContainer(Integer id,InfoType infoType){		this.container.put(id, infoType);	}		public static InfoType getInfoTypeById(int infoTypeId){		return container.get(infoTypeId);	}		}
     
    

 

package cn.com.qytx.ayzw.servlet;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import cn.com.qytx.ayzw.util.InfoTypeUtil;import cn.com.qytx.cbb.domain.InfoType;import cn.com.qytx.cbb.service.IInfoType;import cn.com.qytx.cbb.util.spring.SpringUtil;public class InitInfoTypeServlet extends HttpServlet {	@Override	public void init() throws ServletException {		// TODO Auto-generated method stub		super.init();		IInfoType
    
      infoTypeService = (IInfoType
     
      ) SpringUtil.getBean("infoTypeImpl");		List
      
        list = infoTypeService.findAll();		if(list!=null){			for(int i=0; i