在springmvc+spring+mybatis里整合ztree实现增删改查,上一篇已经写了demo,下面就只贴出各层实现功能的代码:
Jsp页面实现功能的js代码如下:
-
<script>
-
//用于捕获分类编辑按钮的 click 事件,并且根据返回值确定是否允许进入名称编辑状态
-
function beforeEditName(treeId, treeNode) {
-
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
-
zTree.selectNode(treeNode);
-
return true;
-
}
-
//移除分类前执行
-
function beforeRemove(treeId, treeNode) {
-
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
-
zTree.selectNode(treeNode);
-
var confirmFlag = confirm("确认删除分类[ " + treeNode.name + " ]吗?" )
-
var confirmVal = false;
-
if(confirmFlag){
-
var data = {id:treeNode.id};
-
$.ajax({
-
async: false,
-
type: "post",
-
data:data,
-
url: "<%=request.getContextPath() %>/library/deleteLibrary/ ",
-
success: function(json){
-
if(json == "success" ){
-
confirmVal = true;
-
} else{
-
alert('亲,删除失败!');
-
}
-
},
-
error: function(){
-
alert('亲,删除失败!');
-
}
-
});
-
}
-
return confirmVal;
-
}
-
//执行删除操作后提示
-
function onRemove(e, treeId, treeNode) {
-
alert('亲,删除成功!');
-
}
-
//用于捕获分类编辑名称结束(Input 失去焦点 或 按下 Enter 键)之后,更新分类名称数据之前的事件回调函数
-
function beforeRename(treeId, treeNode, newName) {
-
if (newName.length == 0 || newName.indexOf("请输入名称")>=0) {
-
alert('亲,请输入分类名称!');
-
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
-
setTimeout( function(){zTree.editName(treeNode)}, 10);
-
return false;
-
}
-
if(newName.length > 15){
-
alert('亲,分类名称过长!');
-
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
-
setTimeout( function(){zTree.editName(treeNode)}, 10);
-
return false;
-
}
-
native_name = treeNode.name;
-
return true;
-
}
-
//执行编辑操作
-
function onRename(e, treeId, treeNode) {
-
if(native_name == treeNode.name){
-
return;
-
}
-
var data = {id:treeNode.id,level_id:treeNode.level,pid:treeNode.pId,name:treeNode.name};
-
$.ajax({
-
async: false,
-
type: "post",
-
data:data,
-
url: "<%=request.getContextPath() %>/library/updateLibraryName/ ",
-
success : function(json){
-
if(json == "success" ){
-
alert('操作成功!');
-
} else{
-
alert('亲,操作失败,请稍后再试!');
-
}
-
},
-
error : function() {
-
alert('亲,网络有点不给力呀!');
-
}
-
});
-
}
-
//添加子分类
-
function addHoverDom(treeId, treeNode) {
-
var sObj = $("#" + treeNode.tId + "_span");
-
if (treeNode.editNameFlag || $("#addBtn_" +treeNode.tId).length>0 || treeNode.level == 3) return;
-
var addStr = "<span class='button add' id='addBtn_" + treeNode.tId + "' title='添加分类' onfocus='this.blur();'></span>";
-
sObj.after(addStr);
-
var btn = $("#addBtn_" +treeNode.tId);
-
if (btn) btn.bind("click" , function(){
-
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
-
var treeNodes;
-
$.ajax({
-
async: false,
-
type: "post",
-
url: "<%=request.getContextPath() %>/library/saveLibrary/ ",
-
success : function(libraryId){
-
if(libraryId != "" ){
-
treeNodes = zTree.addNodes(treeNode, {id:(libraryId), pId:treeNode.id, name:"请输入名称" });
-
}
-
if (treeNodes) {
-
zTree.editName(treeNodes[0]);
-
}
-
},
-
error : function(){
-
alert('亲,网络有点不给力呀!');
-
}
-
});
-
return false;
-
});
-
}
-
//父级分类去除删除功能
-
function setRemoveBtn(treeId, treeNode) {
-
return !treeNode.isParent;
-
}
-
//鼠标移开按钮消失
-
function removeHoverDom(treeId, treeNode) {
-
$( "#addBtn_"+treeNode.tId).unbind().remove();
-
};
-
//添加按钮点击事件
-
function addClick(){
-
$( "#addParent").bind("click" , {isParent:true}, add);
-
}
-
//移除分类
-
function remove(e) {
-
var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
-
nodes = zTree.getSelectedNodes(),
-
treeNode = nodes[0];
-
if (nodes.length == 0) {
-
alert( "亲,请先选择一个分类!" );
-
return;
-
}
-
var callbackFlag = $("#callbackTrigger" ).attr("checked");
-
zTree.removeNode(treeNode, callbackFlag);
-
};
-
//展开全部分类
-
function expandAllFlag(){
-
zTree_Menu.expandAll( true);
-
}
-
//合并全部分类
-
function combineAllFlag(){
-
zTree_Menu.expandAll( false);
-
}
-
//加载ztree
-
function onloadZTree(){
-
var ztreeNodes;
-
$.ajax( {
-
async : true, //是否异步
-
cache : false, //是否使用缓存
-
type : 'post', //请求方式,post
-
dataType : "json", //数据传输格式
-
url : "<%=request.getContextPath() %>/library/findAllLibrary/ ", //请求链接
-
error : function() {
-
alert('亲,网络有点不给力呀!');
-
},
-
success : function(data) {
-
ztreeNodes = eval( "["+data+"]" ); //将string类型转换成json对象
-
$.fn.zTree.init($( "#treeDemo"), setting, ztreeNodes);
-
zTree_Menu = $.fn.zTree.getZTreeObj("treeDemo" );
-
$( "#selectAll").bind("click" , selectAll);
-
expandAllFlag();
-
addClick();
-
}
-
});
-
}
-
//初始化操作
-
$(document).ready( function(){
-
onloadZTree();
-
});
-
</script>
备注:后台传过来的json数据一定执行这个操作:eval( "["+data+"]" ) 将string转换为对象
Controller层代码如下:
-
import java.util.List;
-
import javax.servlet.http.HttpServletRequest;
-
import javax.servlet.http.HttpServletResponse;
-
import org.springframework.beans.factory.annotation.Autowired;
-
import org.springframework.stereotype.Controller;
-
import org.springframework.web.bind.annotation.RequestMapping;
-
import org.springframework.web.bind.annotation.RequestParam;
-
import org.springframework.web.bind.annotation.ResponseBody;
-
@Controller
-
@RequestMapping(value="library/")
-
public class LibraryController {
-
@Autowired
-
public LibraryService libraryService;
-
/**
-
* 跳转到分类页面
-
* @return
-
*/
-
@RequestMapping(value="toListLibrary/")
-
public String toListLibrary(){
-
return "library/listLibrary";
-
}
-
/**
-
* 查询所有分类信息
-
* @return
-
*/
-
@RequestMapping(value="findAllLibrary/")
-
@ResponseBody
-
public List<Object> findAllLibrary(HttpServletRequest request, HttpServletResponse response){
-
return libraryService.findAllLibrary();
-
}
-
/**
-
* 保存分类
-
* @return
-
*/
-
@RequestMapping(value="saveLibrary/")
-
@ResponseBody
-
public String saveLibrary(HttpServletRequest request, HttpServletResponse response){
-
String libraryId = UUIDUtil.randomUUID();
-
return libraryId;
-
}
-
/**
-
* 更新分类名称
-
* @return
-
*/
-
@RequestMapping(value="updateLibraryName/")
-
@ResponseBody
-
public String updateLibraryName(HttpServletRequest request, HttpServletResponse response, Library library) {
-
String createname=(String) request.getSession().getAttribute(Constants.CURRENT_USER_NAME);
-
library.setCreate_user(createname);
-
library.setUpdate_user(createname);
-
return libraryService.addOrUpdateLibrary(library);
-
}
-
/**
-
* 删除分类
-
* @return
-
*/
-
@RequestMapping(value="deleteLibrary/")
-
@ResponseBody
-
public String deleteLibrary(HttpServletRequest request, HttpServletResponse response,@RequestParam(value = "id") String id) {
-
return libraryService.deleteLibrary(id);
-
}
-
}
service层代码如下:
-
import java.util.ArrayList;
-
import java.util.Date;
-
import java.util.HashMap;
-
import java.util.List;
-
import java.util.Map;
-
import org.apache.commons.lang3.StringUtils;
-
import org.apache.commons.logging.Log;
-
import org.apache.commons.logging.LogFactory;
-
import org.springframework.beans.factory.annotation.Autowired;
-
import org.springframework.stereotype.Service;
-
@Service
-
public class LibraryService {
-
protected final static Log log = LogFactory.getLog(LibraryService.class);
-
@Autowired
-
private LibraryMapper libraryMapper;
-
/**
-
* 查询所有分类信息
-
* @return
-
*/
-
public List<Object> findAllLibrary(){
-
List<Object> listZTree = new ArrayList<Object>();
-
List<Library> listLibrary = libraryMapper.findAllLibrary();
-
String str = "";
-
for (int i = 0; i < listLibrary.size(); i++) {
-
Library library = listLibrary.get(i);//分类信息
-
str = "{id:'" +library.getId() + "', pId:'"+library.getPid()+"', name:\""+library.getName()+"\" }";//封装ztree需要格式的字符串
-
log.info(str);
-
listZTree.add(str);
-
}
-
return listZTree;
-
}
-
/**
-
* 保存或更新分类信息
-
* @param library
-
* @return
-
*/
-
public String addOrUpdateLibrary(Library library){
-
int numFlag = 0;
-
//根据id查询分类信息
-
if (StringUtils.isBlank(library.getId())) {
-
return "error";
-
}
-
int num = libraryMapper.findLibraryById(library.getId());
-
if (num >0) {//更新信息
-
library.setUpdate_time(new Date());
-
library.setCreate_user(null);
-
library.setPid(null);
-
numFlag = libraryMapper.updateByPrimaryKeySelective(library);
-
}else{//插入信息
-
if(library.getPid().equals("null")){
-
library.setPid("0");
-
}
-
int orderId = libraryMapper.findLastLibrary(library);
-
orderId++;
-
library.setCreate_time(new Date());
-
library.setUpdate_time(new Date());
-
library.setOrder_id(orderId);
-
numFlag = libraryMapper.insert(library);
-
}
-
return "success";
-
}
-
/**
-
* 删除分类
-
* @param id
-
* @return
-
*/
-
public String deleteLibrary(String id){
-
int num = libraryMapper.deleteByPrimaryKey(id);
-
return "success";
-
}
-
}
备注:执行完数据操作需要判断返回值,这里我直接返回success活error了。
Mapper层代码如下
-
import java.util.List;
-
import java.util.Map;
-
public interface LibraryMapper extends BaseMapper<Library,String>{
-
/**
-
* 查询所有分类信息
-
* @return
-
*/
-
public List<Library> findAllLibrary();
-
/**
-
* 根据id查询条数
-
* @param id
-
* @return
-
*/
-
public int findLibraryById(String id);
-
/**
-
* 查询最大排序号
-
* @return
-
*/
-
public int findLastLibrary(Library library);
-
}
备注:BaseMapper里有几个公用的增删改查的方法,Library是数据库表对应的实体,都很简单,避免代码过多这里就省略了
-
<?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= "LibraryMapper" >
-
< resultMap id= "BaseResultMap" type= "Library" >
-
<id column ="id" property="id" jdbcType= "VARCHAR" />
-
<result column ="pid" property="pid" jdbcType= "VARCHAR" />
-
<result column ="name" property="name" jdbcType= "VARCHAR" />
-
<result column ="create_time" property="create_time" jdbcType= "TIMESTAMP" />
-
<result column ="update_time" property="update_time" jdbcType= "TIMESTAMP" />
-
<result column ="is_delete" property="is_delete" jdbcType= "INTEGER" />
-
<result column ="update_user" property="update_user" jdbcType= "VARCHAR" />
-
<result column ="create_user" property="create_user" jdbcType= "VARCHAR" />
-
<result column ="level_id" property="level_id" jdbcType= "INTEGER" />
-
<result column ="order_id" property="order_id" jdbcType= "INTEGER" />
-
</ resultMap>
-
< sql id= "Base_Column_List" >
-
id, pid , name, create_time, update_time, is_delete, update_user, create_user, level_id,
-
order_id
-
</ sql>
-
<!-- 根据id查询分类信息是否存在 -->
-
< select id= "findLibraryById" parameterType ="java.lang.String" resultType= "java.lang.Integer" >
-
select count(*) from onair_vms_library
-
where is_delete=1 and id = #{id,jdbcType=VARCHAR}
-
</ select>
-
<!-- 根据 pid查询最大排序号 -->
-
< select id= "findLastLibrary" resultType ="java.lang.Integer" parameterType="Library" >
-
SELECT MAX(order_id) as order_id FROM onair_vms_library
-
where pid = #{pid,jdbcType=VARCHAR}
-
</ select>
-
<!-- 查询所有分类信息 -->
-
< select id= "findAllLibrary" resultMap ="BaseResultMap">
-
select
-
<include refid ="Base_Column_List"/>
-
from onair_vms_library
-
where is_delete = 1 order by order_id
-
</ select>
-
< select id= "selectByPrimaryKey" resultMap ="BaseResultMap" parameterType="java.lang.String" >
-
select
-
<include refid ="Base_Column_List" />
-
from onair_vms_library
-
where id = #{id,jdbcType=VARCHAR}
-
</ select>
-
< delete id= "deleteByPrimaryKey" parameterType="java.lang.String" >
-
update onair_vms_library set is_delete = 0
-
where id = #{id,jdbcType=VARCHAR}
-
</ delete>
-
< insert id= "insert" parameterType="Library" >
-
insert into onair_vms_library (id, pid, name,
-
create_time, update_time, is_delete,
-
update_user, create_user, level_id,
-
order_id)
-
values (#{id,jdbcType=VARCHAR}, #{pid,jdbcType=VARCHAR}, #{name,jdbcType=VARCHAR},
-
#{create_time,jdbcType=TIMESTAMP}, #{update_time,jdbcType=TIMESTAMP}, #{is_delete,jdbcType=INTEGER},
-
#{update_user,jdbcType=VARCHAR}, #{create_user,jdbcType=VARCHAR}, #{level_id,jdbcType=INTEGER},
-
#{order_id,jdbcType=INTEGER})
-
</ insert>
-
< update id= "updateByPrimaryKey" parameterType="Library" >
-
update onair_vms_library
-
set pid = #{pid,jdbcType=VARCHAR},
-
name = #{name,jdbcType=VARCHAR},
-
create_time = #{create_time,jdbcType=TIMESTAMP},
-
update_time = #{update_time,jdbcType=TIMESTAMP},
-
is_delete = #{is_delete,jdbcType=INTEGER},
-
update_user = #{update_user,jdbcType=VARCHAR},
-
create_user = #{create_user,jdbcType=VARCHAR},
-
level_id = #{level_id,jdbcType=INTEGER},
-
order_id = #{order_id,jdbcType=INTEGER}
-
where id = #{id,jdbcType=VARCHAR}
-
</ update>
-
</mapper>
备注:mapper对应的xml
与jsp对应的VO层代码如下:
-
public class LibraryVo {
-
/* id */
-
private String id;
-
/* 目标id */
-
private String targetId;
-
/* pid */
-
private String pId;
-
/* 目标pid */
-
private String targetPId;
-
/* "inner":成为子节点,"prev":成为同级前一个节点,"next":成为同级后一个节点 */
-
private String moveType;
-
public String getId() {
-
return id;
-
}
-
public void setId(String id) {
-
this. id = id;
-
}
-
public String getTargetId() {
-
return targetId;
-
}
-
public void setTargetId(String targetId) {
-
this. targetId = targetId;
-
}
-
public String getpId() {
-
return pId;
-
}
-
public void setpId(String pId) {
-
this. pId = pId;
-
}
-
public String getTargetPId() {
-
return targetPId;
-
}
-
public void setTargetPId(String targetPId) {
-
this. targetPId = targetPId;
-
}
-
public String getMoveType() {
-
return moveType;
-
}
-
public void setMoveType(String moveType) {
-
this. moveType = moveType;
-
}
-
}
上面的代码实现了基本的增删改查,有哪些地方有问题欢迎指正,也欢迎交流,每一次的进步都离不开大家的帮助
--------------------- 本文来自 黄爱岗 的CSDN 博客 ,全文地址请点击:https://blog.csdn.net/huangaigang6688/article/details/27376831?utm_source=copy