layUi

通用实体

package com.aaa.util;

/**
 * @Author: 0808
 * @Date: 2020/7/13 0013 10:39
 * @Version 1.0
 * 常量类
 */
public class MyConstants {
   /**保存操作*/
    public static final String SAVE_OPERATION="save";
    /**修改操作*/
    public static final String UPDATE_OPERATION="update";
    /**加密算法*/
    public static final String ALGORITHM_NAME="MD5";
    /**加密次数*/
    public static final   int HASH_ITERATIONS=1000;
    /** 操作成功信息 */
    public static final String OPERATION_SUCCESS_MESSAGE="操作成功";
    /** 操作成功代码 */
    public static final int OPERATION_SUCCESS_CODE=0;
    /** 操作失败信息 */
    public static final String OPERATION_FAIL_MESSAGE="操作失败";
    /** 操作失败代码 */
    public static final int OPERATION_FAIL_CODE=1;
    /** 柴油(大型加油站)阈值第一条数据 */
    public static final int DIESELOIL_BIG=0;
    /** 柴油(中型加油站)阈值第二条数据 */
    public static final int DIESELOIL_BETWEEN=1;
    /** 柴油(小型加油站)阈值第三条数据 */
    public static final int DIESELOIL_SMALL=2;
    /** 汽油(大型加油站)阈值第四条数据 */
    public static final int GASOLINEOIL_BIG=3;
    /** 汽油(中型加油站)阈值第五条数据 */
    public static final int GASOLINEOIL_BETWEEN=4;
    /** 汽油(小型加油站)阈值第六条数据 */
    public static final int GASOLINEOIL_SMALL=5;
    /** 变量为0的值 */
    public static final int INTVALUE_ZERO=0;
}

状态码

package com.cws.db_car.entity;

import lombok.Data;

import java.util.List;

/**
 * @Author: 0808
 * @Date: 2020/7/10 0010 16:10
 * @Version 1.0
 */
@Data
public class LayUiTable {
    private int code;
    private String msg;
    private Integer count;
    private List<?> data;
}

查询&&模糊&&分页

    /**
     * 查询所有汽车和模糊查询分页
     * @param page
     * @param limit
     * @param searchTypename
     * @return
     */
    @RequestMapping("/listCar")
    @ResponseBody
    public LayUiTable listCar(Integer page, Integer limit , String searchTypename) {
        LayUiTable table = new LayUiTable();
        //多条件查询所需要的集合
        Map<String ,Object> condition= new HashMap(16);
        Wrapper wrapper = new EntityWrapper();
        //添加模糊查询的条件
        if (null != searchTypename && !"".equals(searchTypename)) {
            condition.put("typename", searchTypename);
        }
        int i = tCarService.selectCount(wrapper);

        if(i>0){
            //获取当前的系统毫秒数
            Page<TCarVo> pageInfo = new Page(page, limit);
            List<TCarVo> tCarVoList = tCarService.selectList(pageInfo, condition);
            //从分页结果中提取list集合
            table.setCode(MyConstants.OPERATION_SUCCESS_CODE);
            table.setMsg(MyConstants.OPERATION_SUCCESS_MESSAGE);
            table.setData(tCarVoList);
            table.setCount(i);
        }
        return table;

    }

/**
* 修改用户信息
*
* @param
* @return
*/
@RequestMapping("/updateInfo")
@ResponseBody
public boolean updateUserInfo(TCar tCar) {
return tCarService.updateById(tCar);
}

/**
* 添加用户信息
*
* @param
* @return
*/
@RequestMapping("/savaInfo")
@ResponseBody
public boolean savaInfo(TCar tCar) {
return tCarService.insert(tCar);
}


/**
* 批量删除
*
* @param
* @return
*/
@RequestMapping("/deleteCar")
@ResponseBody
public boolean deleteCar(@RequestBody List<TCar> tCarList) {
List list = new ArrayList();
for (int i = 0; i < tCarList.size(); i++) {
list.add(tCarList.get(i).getCarid());
}
//System.out.println(list+"=======================");
return tCarService.deleteBatchIds(list);

}
 

 前台页面

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>查询所有列车</title>
    <link rel="stylesheet" th:href="@{/layui/css/layui.css}">
    <script th:src="@{/layui/layui.js}"></script>
</head>
<body>
<script type="text/html" id="barDemo">
    <a class="layui-btn layui-btn-xs" lay-event="edit">编辑</a>
    <a class="layui-btn layui-btn-danger layui-btn-xs" lay-event="delete"
       hasPermission="system:user:remove">删除</a>
    <!--<a class="layui-btn layui-btn-danger layui-btn-xs" lay-event="delete"  >删除</a>-->
</script>
<!--=============================条件查询==================================-->
<div class="layui-card" style="padding-top: 30px">
    <form class="layui-form">
        <div class="layui-inline">
            <label class="layui-form-label">汽车类型</label>
            <div class="layui-input-inline">
                <input type="text" class="layui-input" id="searchTypename" name="searchTypename" placeholder="汽车类型"
                       width="80px">
            </div>
        </div>
        <div class="layui-inline">
            <button class="layui-btn" lay-submit="search_submits" lay-filter="search_filter">查询</button>
            <button id="search_reset" class="layui-btn layui-btn-primary">重置</button>
        </div>
    </form>
</div>
<div class="layui-fluid">

    <div class="layui-card">
        <table id="demo" lay-filter="userTable"></table>
    </div>
</div>
<!--===========================================更新用户信息==============================================================-->
<form class="layui-form" action="" id="update_user_form" style="display: none" lay-filter="update_user_form">
    <!--隐藏输入框,保存主键-->
    <input type="hidden" name="carid">

    <div class="layui-form-item">
        <label class="layui-form-label">汽车编号</label>
        <div class="layui-input-inline">
            <input type="text" name="carno" required lay-verify="required" placeholder="汽车编号" autocomplete="off"
                   class="layui-input">
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">汽车类型</label>
        <div class="layui-input-block"  >
            <select name="cartype">
                <option th:each="list:${tCartypeList}" th:value="${list.typeid}" th:text="${list.typename}"></option>
            </select>
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">汽车库存</label>
        <div class="layui-input-inline">
            <input type="text" name="carstatus" required lay-verify="required" placeholder="汽车库存" autocomplete="off"
                   class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">描述</label>
        <div class="layui-input-inline">
            <input type="text" name="remark" required lay-verify="required" placeholder="描述" autocomplete="off"
                   class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">汽车价格</label>
        <div class="layui-input-inline">
            <input type="text" name="caretel" required lay-verify="required" placeholder="汽车价格" autocomplete="off"
                   class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <div class="layui-input-block">
            <button class="layui-btn" lay-submit lay-filter="formUpdateUser">立即提交</button>
            <button type="reset" class="layui-btn layui-btn-primary">重置</button>
        </div>
    </div>
</form>
<!--===========================================添加用户信息==============================================================-->
<form class="layui-form" action="" id="save_user_form" style="display: none" lay-filter="save_user_form">
    <!--隐藏输入框,保存主键-->
    <input type="hidden" name="carid">

    <div class="layui-form-item">
        <label class="layui-form-label">汽车编号</label>
        <div class="layui-input-inline">
            <input type="text" name="carno" id="carno" required lay-verify="required" placeholder="汽车编号" autocomplete="off"
                   class="layui-input">
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">汽车类型</label>
        <div class="layui-input-block"  >
            <select name="cartype">
                <option th:each="list:${tCartypeList}" th:value="${list.typeid}" th:text="${list.typename}"></option>
            </select>
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">汽车库存</label>
        <div class="layui-input-inline">
            <input type="text" name="carstatus" required lay-verify="required" placeholder="汽车库存" autocomplete="off"
                   class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">描述</label>
        <div class="layui-input-inline">
            <input type="text" name="remark" required lay-verify="required" placeholder="描述" autocomplete="off"
                   class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">汽车价格</label>
        <div class="layui-input-inline">
            <input type="text" name="caretel" required lay-verify="required" placeholder="汽车价格" autocomplete="off"
                   class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <div class="layui-input-block">
            <button class="layui-btn" lay-submit lay-filter="formDemo">立即提交</button>
            <button type="reset" class="layui-btn layui-btn-primary">重置</button>
        </div>
    </div>
</form>

<script type="text/html" id="toolbarDemo">
    <div class="layui-btn-container">
        <button class="layui-btn layui-btn-sm" lay-event="addUser">添加</button>
        <button class="layui-btn layui-btn-danger layui-btn-sm" lay-event="deleteBatch">删除</button>
    </div>
</script>
<script>
    layui.use(['layer', 'form', 'table', 'jquery'], function () {
        var table = layui.table;
        var form = layui.form;
        var $ = layui.jquery;

        //第一个实例
        var myTable = table.render({
            elem: '#demo'
            , id: 'tableReload'//重载数据表格
            , height: 420
            , url: '/tCar/listCar' //数据接口
            , page: true //开启分页
            , limit: 5//默认一页显示5条数据
            , limits: [5, 10, 15, 20, 50, 100]//默认一页显示5条数据
            , toolbar: '#toolbarDemo'//此处的id是html代码段
            , cols: [
                [ //表头
                    {field: 'carid', title: '复选框编号', sort: true, fixed: 'left', checkbox: true}

                    , {field: 'carno', title: '汽车编号',  sort: true,  '7%',}
                    , {field: 'typename', title: '汽车类型',  '9%',
                    templet: function (d) {
                        return d.tcartype.typename;
                    }
                }
                    , {field: 'carstatus', title: '汽车库存',  '7%',}
                    , {field: 'remark', title: '描述'}
                    , {field: 'caretel', title: '汽车价格'}
                    , {title: '操作',  235, toolbar: '#barDemo'}
                ]
            ]
        });
        //监听头工具栏事件
        table.on('toolbar(userTable)', function (obj) {
            var checkStatus = table.checkStatus(obj.config.id)
                , data = checkStatus.data; //获取选中的数据
            switch (obj.event) {
                case 'addUser':
                    layer.open({
                        title: '添加员工',
                        type: 1,
                        content: $('#save_user_form'),
                        area: ['700px', '530px']
                    });
                    break;
                case 'update':
                    if (data.length === 0) {
                        layer.msg('请选择一行');
                    } else if (data.length > 1) {
                        layer.msg('只能同时编辑一个');
                    } else {
                        layer.alert('编辑 [id]:' + checkStatus.data[0].id);
                    }
                    break;
                case 'deleteBatch':
                    if (data.length === 0) {
                        layer.msg('请选择一行');
                    } else {
                        //对于删除或者是其他敏感操作,一定要让用户确认。
                        layer.confirm('确定要删除吗?', function () {
                            //请求后台批量删除接口
                            $.ajax({
                                url: '/tCar/deleteCar',
                                dataType: 'json',
                                contentType: "application/json;charset=UTF-8",
                                type: 'POST',
                                data: JSON.stringify(data),//将js对象转成json串传入到后台
                                success: function (result) {
                                    layer.closeAll();//关闭对话框
                                    layer.msg("删除成功");
                                    myTable.reload();//重新加载表格数据
                                }
                            })

                        })

                    }
                    break;
            }
            ;
        });

        //监听保存用户表单的提交
        form.on('submit(formDemo)', function (data) {
            $.ajax({
                url: '/tCar/savaInfo',
                dataType: 'json',
                type: 'POST',
                data: data.field,
                success: function (result) {
                    layer.closeAll();//关闭对话框
                    layer.msg("添加成功");
                    myTable.reload();//重新加载表格数据
                }
            })
            return false;
        });
        //监听修改用户表单的提交
        form.on('submit(formUpdateUser)', function (data) {
            $.ajax({
                url: '/tCar/updateInfo',
                dataType: 'json',
                type: 'POST',
                data: data.field,
                success: function (result) {
                    layer.closeAll();//关闭对话框
                    layer.msg("修改成功");
                    myTable.reload();//重新加载表格数据
                }
            })
            return false;
        });
        //登录名校验
        $("#carno").blur(function () {
            var node = this;
            console.log(node)
            $.ajax({
                type: "POST",
                url: "/tCar/checkCarno",
                async: false, //改为同步请求
                data: {carno: node.value},
                dataType: 'json',
                success: function (data) {
                    if (data.code == 0) {
                    } else {
                        node.focus();
                        layer.msg(data.msg, {icon: 5});
                    }
                }
            });
        });

        // 获取选中复选框项
        function selectCheckeds(name) {
            var checkeds = "";
            // 保存用户
            if (name != null) {
                $('input:checkbox[name="' + name + '"]:checked').each(function (i) {
                    if (0 == i) {
                        checkeds = $(this).val();
                    } else {
                        checkeds += ("," + $(this).val());
                    }
                });
                //修改用户
            } else {
                $('.role_check:checked').each(function (i) {
                    if (0 == i) {
                        checkeds = $(this).val();
                    } else {
                        checkeds += ("," + $(this).val());
                    }
                });
            }

            return checkeds;
        }

        //监听查询表单的提交事件
        form.on('submit(search_filter)', function (data) {
            var formData = data.field;
            //数据表格重载
            table.reload('tableReload', {
                page: {
                    curr: 1 //重新从第 1 页开始
                }
                , where: {//这里传参  向后台
                    searchTypename: formData.searchTypename,
                }
            });
            return false;//false:阻止表单跳转  true:表单跳转
        });
        //监听重置密码表单的提交事件
        form.on('submit(formResetPassword-flter)', function (data) {
            $.ajax({
                url: '/user/resetPassword',
                dataType: 'json',
                type: 'POST',
                data: data.field,
                success: function (result) {
                    layer.closeAll();//关闭对话框
                    layer.msg(result.msg);
                }
            })
            return false;
        });
        //监听行工具事件
        table.on('tool(userTable)', function (obj) { //注:tool 是工具条事件名,userTable 是 table 原始容器的属性 lay-filter="对应的值"
            var data = obj.data //获得当前行数据
            var layEvent = obj.event; //获得 lay-event 对应的值
            if (layEvent === 'detail') {
                layer.msg('查看操作');
            } else if (layEvent === 'delete') {
                layer.confirm('真的删除行么', function (index) {
                    /*  obj.del(); //删除对应行(tr)的DOM结构
                      layer.close(index);*/
                    //向服务端发送删除指令
                    //console.log(data);
                    $.ajax({
                        url: '/user/deleteUser',
                        dataType: 'json',
                        type: 'POST',
                        data: {userId: data.userId},
                        success: function (result) {
                            layer.closeAll();//关闭对话框
                            layer.msg(result.msg);
                            myTable.reload();//重新加载表格数据
                        }
                    })
                });
            }  else if (layEvent === 'resetPassword') {
                form.val('reset_password_form', {
                    "userId": data.userId});
                layer.open({
                    title: '重置密码',
                    type: 1,
                    content: $('#reset_password_form'),
                    area: ['400px', '150px']
                });
            } else if (layEvent === 'edit') {

                //将修改前的数据赋值给修改表单
                form.val('update_user_form', {
                    "carid": data.carid
                    , "carno": data.carno // "name": "value"
                    , "cartype": data.cartype
                    , "carstatus": data.carstatus
                    , "remark": data.remark
                    , "caretel": data.caretel

                });
                //设置checkbox回显
                $.ajax({
                    url: '/tCar/updateInfo',
                    dataType: 'json',
                    type: 'POST',
                    data: {carid: data.carid},
                    success: function (result) {
                        console.log(result.data)
                        form.val('update_user_form', result.data);
                    }
                });
                layer.open({
                    title: '编辑用户',
                    type: 1,
                    content: $('#update_user_form'),
                    area: ['500px', '480px']
                });
            }
        });

    });
</script>
</body>
</html>
原文地址:https://www.cnblogs.com/cwshuo/p/13562624.html