成为VIP
首先认识layui
layui（谐音：类UI) 是一款采用自身模块规范编写的前端 UI 框架，遵循原生 HTML/CSS/JS 的书写与组织形式，门槛极低，拿来即用。其外在极简，却又不失饱满的内在，体积轻盈，组件丰盈，从核心代码到 API 的每一处细节都经过精心雕琢，非常适合界面的快速开发。
（推荐教程：layui）
下载之后导进css、js样式
简单的效果图
接下来直接上代码
dao方法
package com.chen.dao;
import java.sql.SQLException;
import java.util.List;
import java.util.Map;
import com.chen.util.JsonBaseDao;
import com.chen.util.JsonUtils;
import com.chen.util.PageBean;
import com.chen.util.StringUtils;
public class BooktypeDao extends JsonBaseDao{
/**
* 书籍类别查询
* @param paMap
* @param pageBean
* @return
* @throws SQLException
* @throws IllegalAccessException
* @throws InstantiationException
*/
public List<Map<String, Object>> list(Map<String, String[]> paMap,PageBean pageBean) throws InstantiationException, IllegalAccessException, SQLException{
String sql=" select * from t_type where true";
String tid=JsonUtils.getParamVal(paMap, "tid");
String tname=JsonUtils.getParamVal(paMap, "tname");
if(StringUtils.isNotBlank(tid)) {
sql+=" and tid ="+tid+" ";
}
if(StringUtils.isNotBlank(tname)) {
sql+=" and tname like '%"+tname+"%'";
}
sql += " order by tid desc ";
return executeQuery(sql, pageBean);
}
/**
* 增加
* @param paMap
* @return
* @throws NoSuchFieldException
* @throws SecurityException
* @throws IllegalArgumentException
* @throws IllegalAccessException
* @throws SQLException
*/
public int addType(Map<String, String[]> paMap) throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, SQLException {
String sql="insert into t_type(tname) values(?) ";
return super.executeUpdate(sql, new String[] {"tname"}, paMap);
}
/**
* 修改
* @param paMap
* @return
* @throws NoSuchFieldException
* @throws SecurityException
* @throws IllegalArgumentException
* @throws IllegalAccessException
* @throws SQLException
*/
public int editType(Map<String, String[]> paMap) throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, SQLException {
String sql="update t_type set tname=? where tid=?";
return super.executeUpdate(sql, new String[] {"tname","tid"}, paMap);
}
/**
* 删除
* @param paMap
* @return
* @throws NoSuchFieldException
* @throws SecurityException
* @throws IllegalArgumentException
* @throws IllegalAccessException
* @throws SQLException
*/
public int removeType(Map<String, String[]> paMap) throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, SQLException {
String sql="delete from t_type where tid=? ";
return super.executeUpdate(sql, new String[] {"tid"}, paMap);
}
}
entity一个树形的实体类
package com.chen.entity;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class TreeNode {
private String id;
private String name;
private Map<String, Object> attributes = new HashMap<>();
private List<TreeNode> children = new ArrayList<>();
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Map<String, Object> getAttributes() {
return attributes;
}
public void setAttributes(Map<String, Object> attributes) {
this.attributes = attributes;
}
public List<TreeNode> getChildren() {
return children;
}
public void setChildren(List<TreeNode> children) {
this.children = children;
}
public TreeNode(String id, String text, Map<String, Object> attributes, List<TreeNode> children) {
super();
this.id = id;
this.name = name;
this.attributes = attributes;
this.children = children;
}
public TreeNode() {
super();
}
@Override
public String toString() {
return "TreeNode [id=" + id + ", name=" + name + ", attributes=" + attributes + ", children=" + children + "]";
}
}
action子控制器
package com.liuting.web;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.chen.dao.BooktypeDao;
import com.chen.framework.ActionSupport;
import com.chen.util.PageBean;
import com.chen.util.ResponseUtil;
public class BooktypeAction extends ActionSupport {
private BooktypeDao booktypeDao=new BooktypeDao();
/**
* 查询书籍类别
* @param req
* @param resp
* @return
* @throws Exception
*/
public String list(HttpServletRequest req,HttpServletResponse resp) throws Exception {
try {
PageBean pageBean=new PageBean();
pageBean.setRequest(req);
List<Map<String, Object>> list = this.booktypeDao.list(req.getParameterMap(), pageBean);
ObjectMapper om =new ObjectMapper();
Map<String, Object> map=new HashMap<>();
map.put("code", 0);
map.put("count", pageBean.getTotal());
map.put("data", list);
ResponseUtil.write(resp, om.writeValueAsString(map));
} catch (InstantiationException e) {
e.printStackTrace();
}
return null;
}
/**
* 增加
* @param req
* @param resp
* @return
*/
public String addBookType(HttpServletRequest req,HttpServletResponse resp) {
try {
List<Map<String, Object>> list = this.booktypeDao.list(req.getParameterMap(), null);
int val = 0;
//如果集合不为空 或者长度等于 0 就把它增加进去
if(list==null || list.size() == 0) {
val = this.booktypeDao.addType(req.getParameterMap());
}
else {
val= 2;
}
ResponseUtil.write(resp, val);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* 删除书本类别
* @throws Exception
* @throws JsonProcessingException
*
*/
public String deleteBookType(HttpServletRequest req,HttpServletResponse resp) throws JsonProcessingException, Exception {
try {
int deleteBookType=this.booktypeDao.removeType(req.getParameterMap());
ObjectMapper om=new ObjectMapper();
ResponseUtil.write(resp, om.writeValueAsString(deleteBookType));
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
return null;
}
/**
* 修改书籍类别
* @param req
* @param resp
* @return
* @throws JsonProcessingException
* @throws Exception
*/
public String updateBookType(HttpServletRequest req,HttpServletResponse resp) throws JsonProcessingException, Exception {
try {
int updateBookType=this.booktypeDao.editType(req.getParameterMap());
ObjectMapper om=new ObjectMapper();
ResponseUtil.write(resp, om.writeValueAsString(updateBookType));
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
return null;
}
/**
* 下拉框
*/
public String listSelect(HttpServletRequest req,HttpServletResponse resp) throws Exception {
try {
PageBean pageBean=new PageBean();
pageBean.setRequest(req);
List<Map<String, Object>> list = this.booktypeDao.list(req.getParameterMap(), pageBean);
ObjectMapper om =new ObjectMapper();
ResponseUtil.write(resp, om.writeValueAsString(list));
} catch (InstantiationException e) {
e.printStackTrace();
}
return null;
}
}
mvc.xml的配置路径
<?xml version="1.0" encoding="UTF-8"?> <config> <action path="/booktypeAction" type="com.chen.web.BooktypeAction"> <forward name="index" path="/xz.jsp" redirect="false" /> <forward name="addBookType" path="/add.jsp" redirect="true" /> </action> <action path="/menuAction" type="com.chen.web.MenuAction"> <forward name="index" path="/index.jsp" redirect="false" /> </action> <action path="/userAction" type="com.chen.web.UserAction"> <forward name="index" path="/index.jsp" redirect="false" /> </action> <!--书本信息 --> <action path="/bookAction" type="com.chen.web.BookAction"> <forward name="index" path="/index.jsp" redirect="false" /> <forward name="addBookType" path="/add.jsp" redirect="true" /> </action> </config>
web.xml的配置路径
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1"> <display-name>Mvc_Layui</display-name> <filter> <filter-name>encodingFiter</filter-name> <filter-class>com.chen.util.EncodingFiter</filter-class> </filter> <filter-mapping> <filter-name>encodingFiter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <servlet> <servlet-name>dispatherServlet</servlet-name> <servlet-class>com.chen.framework.DispatherServlet</servlet-class> <init-param> <param-name>xmlPath</param-name> <param-value>/mvc.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>dispatherServlet</servlet-name> <url-pattern>*.action</url-pattern> </servlet-mapping> </web-app>
jsp页面
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ include file="/jsp/common/head.jsp" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body class="child-body">
<div class="child-nav">
<span class="layui-breadcrumb">
<a>书籍类别管理</a>
<a><cite>分类列表</cite></a>
</span>
</div>
<blockquote class="layui-elem-quote">
<!--搜索维度 -->
<div class="layui-form">
<div class="layui-form-item">
<label class="layui-form-label">书籍名称</label>
<div class="layui-input-inline">
<input type="text" id='booktypename' name="booktypename" lay-verify="required" placeholder="请输入书籍名" autocomplete="true" class="layui-input">
</div>
<button class="layui-btn layui-btn-normal layui-btn-radius" data-type="reload"><i class="layui-icon"></i>查询</button>
<button class="layui-btn layui-btn-normal" data-type="add">新建</button>
</div>
</div>
</blockquote>
<!--隐藏域传值 -->
<input type="hidden" id="sj" value="${pageContext.request.contextPath}" >
<!--根据table id 来展示表格数据 -->
<table class="layui-hide" id="test" lay-filter="test"></table>
<!--行内样式按钮 -->
<script type="text/html" id="lineBtns">
<a class="layui-btn layui-btn-xs" lay-event="edit"><i class="layui-icon"></i>编辑</a>
<a class="layui-btn layui-btn-danger layui-btn-xs" lay-event="del">删除</a>
</script>
<!--弹出层 -->
<div class="site-text" style="margin: 5%; display: none" id="box1" target="test123">
<form class="layui-form layui-form-pane" onsubmit="return false" id="booktype">
<div class="layui-form-item">
<label class="layui-form-label">类型编号</label>
<div class="layui-input-block">
<input type="text" class="layui-input layui-disabled text_add " id="booktypeid" name=booktypeid disabled="disabled">
</div>
<br>
<label class="layui-form-label"> 书本类别名</label>
<div class="layui-input-block">
<input type="text" class="layui-input" id="booktypename1" name=booktypename1><br>
</div>
</div>
</form>
</div>
</body>
<!--权限-->
<script >
//管理
//执行渲染
layui.use(['table','layer','form'],function(){
var data=document.getElementById("sj").value;
var table =layui.table;
var layer=layui.layer;
var form = layui.form;
/*展示数据表格 */
table.render({
elem:'#test'//表格id
,url:data+'/booktypeAction.action?methodName=list'//所对应调用的接口
,method:'post' //提交方式
,cols:[[
/*根据数据库的表格所对应的名称 */
{field:'tid',height:80, width:300, title: '书籍类别序号', sort: true}
,{field:'tname', height:80,width:300, title: '书籍类别名称'}
,{field:'right',height:80, width:300, title: '操作', toolbar:'#lineBtns'}//操作栏
]]
,page:'true'//分页
, id: 'testReload'
});
//上方菜单操作栏(查询、以及 增加 按钮 )
var $ = layui.$, active = {
//查询
reload: function () {
var booktypename = $('#booktypename');//书籍类别名称 根据 id来取值
console.log(booktypename.val());
// 执行重载
table.reload('testReload', {
page: {
curr: 1
// 重新从第 1 页开始
},
where: {
key: 'tname',
tname: booktypename.val(),
}
});
}, add: function () { //添加
layer.open({//弹出框
type: 1,
title: '添加书本类别',
maxmin: true,
shadeClose: true, //点击遮罩关闭层
area: ['80%', '80%'],
content: $('#box1'),
btn: ['确定', '取消'],
yes: function (index, layero) {//确定执行函数
console.log(layero);
//执行添加方法
$.getJSON(data+"/booktypeAction.action?methodName=addBookType", {
tname: $("#booktypename1").val(), ///角色名
/* booktypename: $("input[ name='booktypename1']").val(), *///角色名
}, function (data) {
/*根据后台返回的参数来进行判断 */
if (data==1) {
layer.alert('添加成功', {icon: 1, title: '提示'}, function (i) {
layer.close(i);
layer.close(index);//关闭弹出层
$("#booktype")[0].reset()//重置form
})
table.reload('testReload', {//重载表格
page: {
curr: 1
// 重新从第 1 页开始
}
})
} else if(data==2){
layer.msg('添加失败,请勿重复添加书本类别名称')
}
})
}, cancel: function (index, layero) {//取消
$("#booktype")[0].reset()//重置form 根据id
layer.close(index)
}
});
}
}
$('.layui-form .layui-btn').on('click', function () {
var type = $(this).data('type');
active[type] ? active[type].call(this) : '';
});
/*表格 行内操作(编辑 以及 删除 按钮操作) */
table.on('tool(test)', function(obj){
var data = obj.data; //获得当前行数据
var urlex=document.getElementById("sj").value;
var tr=obj.tr//活动当前行tr 的 DOM对象
console.log(data);
var layEvent = obj.event; //获得 lay-event 对应的值（也可以是表头的 event 参数对应的值）
if(layEvent === 'del'){ //删除
layer.confirm('确定删除吗？',{title:'删除'}, function(index){
//向服务端发送删除指令og
$.getJSON(urlex+'/booktypeAction.action?methodName=deleteBookType',{tid:data.tid}, function(ret){
layer.close(index);//关闭弹窗
table.reload('testReload', {//重载表格
page: {
curr: 1
// 重新从第 1 页开始
}
})
});
layer.close(index);
});
} else if(layEvent === 'edit'){ //编辑
layer.open({
type: 1 //Page层类型
,skin: 'layui-layer-molv'
,area: ['380px', '270px']
,title: ['编辑书本类别信息','font-size:18px']
,btn: ['确定', '取消']
,shadeClose: true
,shade: 0 //遮罩透明度
,maxmin: true //允许全屏最小化
,content:$('#box1') //弹窗id
,success:function(layero,index){
$('#booktypeid').val(data.tid);
$('#booktypename1').val(data.tname);
},yes:function(index,layero){
/* $.ajaxSettings.async = false; */
$.getJSON(urlex+'/booktypeAction.action?methodName=updateBookType',{
tid: $('#booktypeid').val(),
tname: $('#booktypename1').val(),
tid: data.tid,
},function(data){
//根据后台返回的参数，来进行判断
if(data>0){
layer.alert('编辑成功',{icon:1,title:'提示'},function(i){
layer.close(i);
layer.close(index);//关闭弹出层
$("#booktype")[0].reset()//重置form
})
table.reload('testReload',{//重载表格
page:{
curr:1
}
})
}
});
}
});
}
});
});
// 实现查询所有的菜单
</script>
</html>
本次所用到的jar包
index.js
$(function () {
$.ajax({
type: "post",
url: "menuAction.action?methodName=treeMenu",
dataType: "json",
/*data: {// 传给servlet的数据,
role_id: MenuHid,
right_code: "-1",
d: new Date()
},*/
success: function (data) {
console.info(data);
layui.tree({
elem: '#demo',// 传入元素选择器
nodes: data,
// spread:true,
click: function (node) {// 点击tree菜单项的时候
var element = layui.element;
var exist = $("li[lay-id='" + node.id + "']").length;//判断是不是用重复的选项卡
if (exist > 0) {
element.tabChange('tabs', node.id);// 切换到已有的选项卡
} else {
if (node.attributes.menuURL != null && node.attributes.menuURL != "") {// 判断是否需要新增选项卡
element.tabAdd(
'tabs',
{
title: node.name,
content: '<iframe scrolling="yes" frameborder="0" src=" '
+ node.attributes.menuURL
+ ' " width="100%" height="100%"></iframe>'// 支持传入html
,
// width="99%" height="99%"
id: node.id
});
element.tabChange('tabs', node.id);
}
}
}
});
}
});
})
完成！
如何利用layui实现增删查改操作
—–文章转载自PHP中文网如有侵权请联系admin#tyuanma.cn删除
10个使用Console进行javascript调试的高级技巧
转载请注明来源：如何利用layui实现增删查改操作_编程技术_亿码酷站
本文永久链接地址：https://www.ymkuzhan.com/1282.html
本文永久链接地址：https://www.ymkuzhan.com/1282.html
下载声明：
本站资源如无特殊说明默认解压密码为www.ymkuzhan.com建议使用WinRAR解压； 本站资源来源于用户分享、互换、购买以及网络收集等渠道，本站不提供任何技术服务及有偿服务，资源仅提供给大家学习研究请勿作它用。 赞助本站仅为维持服务器日常运行并非购买程序及源码费用因此不提供任何技术支持，如果你喜欢该程序，请购买正版! 版权声明：
下载本站资源学习研究的默认同意本站【版权声明】若本站提供的资源侵犯到你的权益，请提交版权证明文件至邮箱ymkuzhan#126.com(将#替换为@)站长将会在三个工作日内为您删除。 免责声明：
您好，本站所有资源(包括但不限于：源码、素材、工具、字体、图像、模板等)均为用户分享、互换、购买以及网络收集而来，并未取得原始权利人授权，因此禁止一切商用行为，仅可用于个人研究学习使用。请务必于下载后24小时内彻底删除，一切因下载人使用所引起的法律相关责任，包括但不限于:侵权,索赔,法律责任,刑事责任等相关责任,全部由下载人/使用人,全部承担。以上说明,一经发布视为您已全部阅读，理解、同意以上内容，如对以上内容持有异议，请勿下载，谢谢配合！支持正版，人人有责，如不慎对您的合法权益构成侵犯，请联系我们对相应内容进行删除，谢谢！
