【前端系列-2】layui+springboot实现表格增删改查
前言
本文将演示如何使用Springboot（后端框架）和layui（前端框架）将数据库中的数据渲染到前端页面，以及对前端页面的数据实现增删改。
效果图如下：
完整项目已上传至GitHub，项目地址：https://github.com/ThinkMugz/mudemo
1 项目搭建
首先呢，把项目创建起来，后端项目结构就不说了，标准分层。然后，在resources目录下创建static文件夹，用来放置各种前端文件。
图中圈中的就是juqery和layui两个框架的源码文件，引入项目后，在我们自己写的js中引入相应的依赖，就可以使用大佬们提供的源码了。例如：
更详细内容请移步layui官网：https://www.layui.com/doc/
数据库准备：
DROP TABLE IF EXISTS `goods`;
CREATE TABLE `goods` (
`id` int(11) DEFAULT NULL,
`name` varchar(255) DEFAULT NULL,
`type` varchar(255) DEFAULT NULL,
`price` decimal(10,0) DEFAULT NULL,
`size` double DEFAULT NULL,
`status` varchar(255) DEFAULT NULL,
`description` varchar(255) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of goods
-- ----------------------------
INSERT INTO `goods` VALUES ('1', 'iPhone', '1', '6000', '55', '1', '说明');
INSERT INTO `goods` VALUES ('2', 'watch', '1', '500', '35', '1', '说明');
INSERT INTO `goods` VALUES ('3', 'television', '1', '1000', '90', '1', '说明');
INSERT INTO `goods` VALUES ('4', 'computer', '1', '4500', '60', '1', '说明');
1 渲染数据与刷新
首先呢，在页面放置一个元素
<div style="margin: 5px 0 0 5px;width: 900px">
<button class="layui-btn" id="queryGoods">查询商品</button>
<table id="goods_table" lay-filter="goods_bar"></table>
</div>
表格有两个重要参数：id和lay-filter
- id：在后面渲染表格时，会以id作为纽带
- lay-filter的值是表格头部工具按钮和行工具按钮监听事件的参数
然后通过 table.render() 方法指定该容器（可以看到elem通过id选择的方式绑定到了前面的table元素）：
table.render({
elem: '#goods_table'
, id: 'goodsReload'
, even: true //开启隔行背景
, url: '/goods/goodsList'
, request: {
pageName: 'pageNum',
limitName: 'pageSize'
}
, toolbar: '#goods_headerBar'
, title:
'商品详情表'
, page:
true //开启分页
, limit: 5
, limits: [1, 5, 10, 20, 50, 100]
, cols:
[[{field: 'id', title: '编号', width: 60, align: 'center'}
, {field: 'type', title: '类 型', width: 76, align: 'center'}
, {field: 'name', title: '商品名称', width: '8.5%', align: 'center'}
, {field: 'price', title: '价 格', width: '9.1%', align: 'center'}
, {field: 'size', title: '数 量', width: '9.5%', align: 'center'}
, {field: 'status', title: '状 态', width: '7.5%', align: 'center'}
, {field: 'description', title: '说 明', align: 'center'}
, {
fixed: 'right',
title: '操作',
toolbar: '#goods_lineBar',
width: 160,
align: 'center'
}
]]
});
url这个参数非常关键，它的作用是：
接口地址。默认会自动传递两个参数：?page=1&limit=30（该参数可通过 request 自定义） page
代表当前页码、limit 代表每页数据量
我们看看，前端到底发送了什么请求，通过浏览器控制台看到：
Request URL: http://localhost:8086/goods/goodsList?pageNum=1&pageSize=5
那么后端返回给前端什么数据呢：
{
"msg": "操作成功！",
"code": "0",
"data": [
{
"id": 1,
"name": "iPhone",
"type": "1",
"price": 6000.0,
"size": 55,
"status": 1,
"description": "说明"
},
{
"id": 2,
"name": "watch",
"type": "1",
"price": 500.0,
"size": 35,
"status": 1,
"description": "说明"
},
{
"id": 3,
"name": "television",
"type": "1",
"price": 1000.0,
"size": 90,
"status": 1,
"description": "说明"
},
{
"id": 4,
"name": "computer",
"type": "1",
"price": 4500.0,
"size": 60,
"status": 1,
"description": "说明"
}
],
"count": 4
}
那么后端是怎么从数据库获取数据，并将数据加工成前端要求的格式然后返给前端的呢？为了方便，我直接在controller中写逻辑了：
@RequestMapping(value = "/goodsList", method = RequestMethod.GET)
public JSONObject getGoodsList(@RequestParam("pageNum") int pageNum, @RequestParam("pageSize") int pageSize) {
JSONObject result = new JSONObject();
try {
PageHelper.startPage(pageNum, pageSize);
PageInfo<Good> pageInfo = new PageInfo(goodsMapper.getGoodsList());
result.put("code", "0");
result.put("msg", "操作成功！");
result.put("data", pageInfo.getList());
result.put("count", pageInfo.getTotal());
} catch (Exception e) {
result.put("code", "500");
result.put("msg", "查询异常！");
}
return result;
}
goodsMapper.getGoodsList()呢，就是与数据库交互的方法了：
@Select("SELECT * FROM mutest.goods")
List<Good> getGoodsList();
经过PageHelper的分页处理，将前端传来的pageNum和pageSize 织入sql语句中：
SELECT * FROM mutest.goods LIMIT 0,5
至此，渲染数据的前后端已经完成，那么刷新数据是怎么实现的呢？
首先，要页面放置头部工具按钮，包括新增和刷新：
<!--头部工具按钮-->
<script type="text/html" id="goods_headerBar">
<div class="layui-btn-container">
<button class="layui-btn layui-btn-sm" lay-event="add">
<i class="layui-icon"></i> 新 增
</button>
<button class="layui-btn layui-btn-normal layui-btn-sm" lay-event="refresh" style=" margin-left: 15px">
<i class="layui-icon"></i> 刷 新
</button>
</div>
</script>
然后，监听头部按钮点击事件：
// 监听头部工具栏
table.on('toolbar(goods_bar)', function (obj) {
switch (obj.event) {
case 'refresh':
// 执行一个表格重载即实现刷新功能
table.reload('goodsReload', {
where: '',
contentType: 'application/x-www-form-urlencoded',
page: {
curr: 1 //重新从第 1 页开始
},
url: '/goods/goodsList',
method: 'get'
});
break;
}
});
<table id="goods_table" lay-filter="goods_bar"></table>
有这么几点需要强调一下：
toolbar是头部工具事件，与之对应的还有tool（行工具），后面括号中的goods_bar是与table元素的lay-filter的值对应起来的table.reload('goodsReload'中的goodsReload是与table.render的id对应起来的，通过再次向特定url请求数据实现了表格的重载。
2 新增和编辑
新增和编辑在本文中，是使用弹层来实现的。思路是这样的：
- 首先，准备一个
div元素，其display设置为none - 通过新增和编辑按钮的点击事件触发弹出
form，在form内填写好内容 - 通过点击弹层中的【提交】按钮，将
form提交到后端对应的接口，从而实现后端数据的更新 - 提交完成后，ajax请求的success回调中添加表格重载，完成前端数据更新
2.1 弹层
弹层的div元素是这样的：
<div class="layui-row" id="open_div" style="display:none;">
<form id="add_form" class="layui-form" action="" style="margin-top: 20px;align:center;">
<!--隐藏字段action，用来区分增加和编辑行为-->
<input type="hidden" name="action" id="action">
<!--隐藏字段id，用于提供编辑需要的主键-->
<input type="hidden" name="id" id="id">
<!--隐藏字段request_type，用于提供请求方式:get,post,put-->
<input type="hidden" name="request_type" id="request_type">
<div class="layui-form-item" style="display: table;width: 96%">
<div class="layui-form-item" style="display: table-cell;width: 50%">
<label class="layui-form-label">类  型</label>
<div class="layui-input-block">
<select id="" name="type" lay-filter="type" lay-verify="required">
<option value="">请选择</option>
<option value="国产">国产</option>
<option value="进口">进口</option>
</select>
</div>
</div>
<div class="layui-form-item" style="display: table-cell;width: 50%">
<label class="layui-form-label">产品名称</label>
<div class="layui-input-block">
<input type="text" name="name" placeholder="请输入产品名称"
autocomplete="off" class="layui-input" lay-verify="required">
</div>
</div>
</div>
<div class="layui-form-item" style="display: table;width: 96%">
<div class="layui-form-item" style="display: table-cell;width: 50%">
<label class="layui-form-label">价  格</label>
<div class="layui-input-block">
<input type="text" name="price" placeholder="请输入价格"
autocomplete="off" class="layui-input" lay-verify="required">
</div>
</div>
<div class="layui-form-item" style="display: table-cell;width: 50%">
<label class="layui-form-label">数  量</label>
<div class="layui-input-block">
<input type="text" name="size" placeholder="请输入数量"
autocomplete="off" class="layui-input" lay-verify="required">
</div>
</div>
</div>
<div class="layui-form-item" style="width: 96%">
<label class="layui-form-label">说  明</label>
<div class="layui-input-block">
<input type="text" name="description" placeholder="请输入产品说明"
autocomplete="off" class="layui-input" lay-verify="required">
</div>
</div>
<div class="layui-form-item" style="margin-left: 40%">
<div class="layui-btn-group">
<button class="layui-btn" lay-submit="" lay-filter="update_submit">提 交</button>
<button type="reset" class="layui-btn layui-btn-primary">重 置</button>
</div>
</div>
</form>
</div>
接下来，我们看打开弹层时，做了什么？首先是【新增】事件：
// 监听头部工具栏
table.on('toolbar(goods_bar)', function (obj) {
switch (obj.event) {
// 根据增加行为给form隐藏项赋值
case 'add':
var data = {};
data.action = 'addGood';
data.request_type = 'post';
// 调用打开弹层的工具方法
open_form("#open_div", data, '添加商品', '620px', '282px');
break;
}
});
【编辑】事件：
table.on('tool(goods_bar)', function (obj) {
var data = obj.data;
var layEvent = obj.event;
var id = data.id;
switch (layEvent) {
case 'edit':
// 根据编辑行为为form隐藏项赋值
data.action = 'updateGood';
data.request_type = 'post';
open_form("#open_div", data, '编辑用例', '620px', '282px');
break;
}
});
仔细观察，div中有很多隐藏元素，之所以隐藏起来，是因为这些值必须要传递给后端，且不能被用户篡改，而是由程序赋值
- id：就是你所操作的数据的主键，通过该值来告知后端，我要修改的是哪条数据。【新增】没有对id赋值，因为id设为自增字段，插库时无需传入id
- action：区分新增和编辑的重要字段，【新增】赋值
addGood，【编辑】赋值updateGood - request_type：区分
get请求和post请求的字段，新增和编辑都赋值post
**open_form和setForm是两个工具方法，前者是打开弹层，后者是为form初始化（也是编辑弹窗会代入数据的实现方法），源码见 3.2 工具方法部分。
2.2 form submit
当打开弹层并填入内容后，当然是要提交了。通过监听form的提交按钮点击事件来实现表单提交：
form.on('submit(update_submit)', function (data) {
var uri = data.field.action;
var type = data.field.request_type;
$.ajax({
type: type,
url: '/goods/' + uri,
contentType: "application/json; charset=utf-8",
data: JSON.stringify(data.field),
dataType: "json",
success: function (result) {
if (result.code == "0") {
table.reload('goodsReload', {
contentType: 'application/x-www-form-urlencoded',
page: {
curr: 1 //重新从第 1 页开始
},
url: '/goods/goodsList',
method: 'get'
});
layer.msg('修改成功', {icon: 1, time: 1000});
} else { //失败
layer.alert(result.msg, {icon: 2}, function () {
layer.close(index);
});
}
}
});
layer.close(index);//关闭弹出层
return false;
});
【新增】和【编辑】使用的是同一套提交逻辑，而后端接口肯定不是同一个，所以action在打开弹层时被赋值，而提交时引用该值，从而指向了各自的后端接口。
后端接口：
// 新增接口
@RequestMapping(value = "/addGood", method = RequestMethod.POST)
public JSONObject addGood(@RequestBody JSONObject request) {
JSONObject result = new JSONObject();
try {
goodsMapper.addGood(request);
result.put("code", "0");
result.put("msg", "操作成功！");
} catch (Exception e) {
result.put("code", "500");
result.put("msg", "新增商品异常！");
}
return result;
}
// 编辑接口
@RequestMapping(value = "/updateGood", method = RequestMethod.POST)
public JSONObject updateGood(@RequestBody JSONObject request) {
JSONObject result = new JSONObject();
try {
goodsMapper.updateGood(request);
result.put("code", "0");
result.put("msg", "操作成功！");
} catch (Exception e) {
result.put("code", "500");
result.put("msg", "修改商品异常！");
System.out.println(e.getMessage());
}
return result;
}
// 新增sql
@Insert("INSERT INTO mutest.goods(type,name,price,size,status,description)VALUES(#{type},#{name},#{price},#{size},#{status},#{description})")
int addGood(JSONObject request);
// 编辑sql
@Update("UPDATE mutest.goods SET type=#{type},name=#{name},price=#{price},size=#{size},status=#{status},description=#{description} WHERE id=#{id}")
void updateGood(JSONObject request);
3 完整代码
3.1 后端
pom.xml依赖
项目用到的完整的pom.xml依赖如下：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.5.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>mudemo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>mudemo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
<swagger.version>2.8.0</swagger.version>
<google.guava>23.0</google.guava>
<fastjson.version>1.2.47</fastjson.version>
<druid.version>1.1.9</druid.version>
<poi.version>3.17</poi.version>
<jwt.version>0.9.0</jwt.version>
<mybatis.version>1.3.2</mybatis.version>
</properties>
<dependencies>
<!--web-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.0.1</version>
</dependency>
<!--连接池-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>${druid.version}</version>
</dependency>
<!--mysql-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<!--data：省略set、get方法-->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>${fastjson.version}</version>
</dependency>
<!--分页插件-->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper-spring-boot-starter</artifactId>
<version>1.2.5</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
实体类
package mudemo.model;
import lombok.Data;
/**
* @author guozhengMu
* @version 1.0
* @date 2019/8/26 16:16
* @description
* @modify
*/
@Data
public class Good {
private int id;
private String name;
private String type;
private double price;
private int size;
private int status;
private String description;
}
controller层
package mudemo.controller;
import com.alibaba.fastjson.JSONObject;
import mudemo.service.GoodsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
/**
* @author guozhengMu
* @version 1.0
* @date 2019/8/26 16:51
* @description
* @modify
*/
@RestController
@RequestMapping(value = "/goods")
public class GoodsController {
@Autowired
private GoodsService goodsService;
@RequestMapping(value = "/goodsList", method = RequestMethod.GET)
public JSONObject getGoodsList(@RequestParam("pageNum") int pageNum, @RequestParam("pageSize") int pageSize) {
return goodsService.getGoodsList(pageNum, pageSize);
}
@RequestMapping(value = "/updateGood", method = RequestMethod.POST)
public JSONObject updateGood(@RequestBody JSONObject request) {
return goodsService.updateGood(request);
}
@RequestMapping(value = "/addGood", method = RequestMethod.POST)
public JSONObject addGood(@RequestBody JSONObject request) {
return goodsService.addGood(request);
}
@RequestMapping(value = "/deleteGood", method = RequestMethod.GET)
public JSONObject deleteGood(@RequestParam("id") int id) {
return goodsService.deleteGood(id);
}
}
接口层实现层
接口层省略，这里只贴上接口实现类：
package mudemo.service.impl;
import com.alibaba.fastjson.JSONObject;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import mudemo.dao.GoodsMapper;
import mudemo.model.Good;
import mudemo.service.GoodsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
/**
* @author guozhengMu
* @version 1.0
* @date 2019/8/26 16:55
* @description
* @modify
*/
@Service(value = "GoodsService")
public class GoodsServiceImpl implements GoodsService {
@Autowired
private GoodsMapper goodsMapper;
@Override
public JSONObject getGoodsList(int pageNum, int pageSize) {
JSONObject result = new JSONObject();
try {
PageHelper.startPage(pageNum, pageSize);
PageInfo<Good> pageInfo = new PageInfo(goodsMapper.getGoodsList());
result.put("code", "0");
result.put("msg", "操作成功！");
result.put("data", pageInfo.getList());
result.put("count", pageInfo.getTotal());
} catch (Exception e) {
result.put("code", "500");
result.put("msg", "查询异常！");
}
return result;
}
@Override
public JSONObject addGood(JSONObject request) {
JSONObject result = new JSONObject();
try {
goodsMapper.addGood(request);
result.put("code", "0");
result.put("msg", "操作成功！");
} catch (Exception e) {
result.put("code", "500");
result.put("msg", "新增商品异常！");
}
return result;
}
@Override
public JSONObject updateGood(JSONObject request) {
JSONObject result = new JSONObject();
try {
goodsMapper.updateGood(request);
result.put("code", "0");
result.put("msg", "操作成功！");
} catch (Exception e) {
result.put("code", "500");
result.put("msg", "修改商品异常！");
System.out.println(e.getMessage());
}
return result;
}
@Override
public JSONObject deleteGood(int id) {
JSONObject result = new JSONObject();
try {
goodsMapper.deleteGood(id);
result.put("code", "0");
result.put("msg", "操作成功！");
} catch (Exception e) {
result.put("code", "500");
result.put("msg", "删除商品异常！");
}
return result;
}
}
dao层
package mudemo.dao;
import com.alibaba.fastjson.JSONObject;
import mudemo.model.Good;
import org.apache.ibatis.annotations.*;
import java.util.List;
@Mapper
public interface GoodsMapper {
@Select("SELECT * FROM mutest.goods")
List<Good> getGoodsList();
@Insert("INSERT INTO mutest.goods(type,name,price,size,status,description)VALUES(#{type},#{name},#{price},#{size},#{status},#{description})")
int addGood(JSONObject request);
@Update("UPDATE mutest.goods SET type=#{type},name=#{name},price=#{price},size=#{size},status=#{status},description=#{description} WHERE id=#{id}")
void updateGood(JSONObject request);
@Delete("DELETE FROM mutest.goods WHERE id=#{id}")
void deleteGood(@Param("id") int id);
}
3.2 前端
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>商品信息</title>
<!--根据自己的项目目录修改-->
<link rel="stylesheet" href="layui/css/layui.css" media="all"/>
</head>
<body>
<table id="goods_table" lay-filter="goods_bar"></table>
<div class="layui-row" id="open_div" style="display:none;">
<form id="add_form" class="layui-form" action="" style="margin-top: 20px;align:center;">
<!--隐藏字段action，用来区分增加和编辑行为-->
<input type="hidden" name="action" id="action">
<!--隐藏字段id，用于提供编辑需要的主键-->
<input type="hidden" name="id" id="id">
<!--隐藏字段request_type，用于提供请求方式:get,post,put-->
<input type="hidden" name="request_type" id="request_type">
<div class="layui-form-item" style="display: table;width: 96%">
<div class="layui-form-item" style="display: table-cell;width: 50%">
<label class="layui-form-label">类  型</label>
<div class="layui-input-block">
<select id="" name="type" lay-filter="type" lay-verify="required">
<option value="">请选择</option>
<option value="国产">国产</option>
<option value="进口">进口</option>
</select>
</div>
</div>
<div class="layui-form-item" style="display: table-cell;width: 50%">
<label class="layui-form-label">产品名称</label>
<div class="layui-input-block">
<input type="text" name="name" placeholder="请输入产品名称"
autocomplete="off" class="layui-input" lay-verify="required">
</div>
</div>
</div>
<div class="layui-form-item" style="display: table;width: 96%">
<div class="layui-form-item" style="display: table-cell;width: 50%">
<label class="layui-form-label">价  格</label>
<div class="layui-input-block">
<input type="text" name="price" placeholder="请输入价格"
autocomplete="off" class="layui-input" lay-verify="required">
</div>
</div>
<div class="layui-form-item" style="display: table-cell;width: 50%">
<label class="layui-form-label">数  量</label>
<div class="layui-input-block">
<input type="text" name="size" placeholder="请输入数量"
autocomplete="off" class="layui-input" lay-verify="required">
</div>
</div>
</div>
<div class="layui-form-item" style="width: 96%">
<label class="layui-form-label">说  明</label>
<div class="layui-input-block">
<input type="text" name="description" placeholder="请输入产品说明"
autocomplete="off" class="layui-input" lay-verify="required">
</div>
</div>
<div class="layui-form-item" style="margin-left: 40%">
<div class="layui-btn-group">
<button class="layui-btn" lay-submit="" lay-filter="update_submit">提 交</button>
<button type="reset" class="layui-btn layui-btn-primary">重 置</button>
</div>
</div>
</form>
</div>
<script src="layui/layui.js"></script>
<script src="js/libs/jquery-2.1.1.min.js"></script>
<script src="utils/common.js"></script>
<!--头部工具按钮-->
<script type="text/html" id="goods_headerBar">
<div class="layui-btn-container">
<button class="layui-btn layui-btn-sm" lay-event="add">
<i class="layui-icon"></i> 新 增
</button>
<button class="layui-btn layui-btn-normal layui-btn-sm" lay-event="refresh" style=" margin-left: 15px">
<i class="layui-icon"></i> 刷 新
</button>
</div>
</script>
<!--行工具按钮-->
<script type="text/html" id="goods_lineBar">
<a class="layui-btn layui-btn-xs layui-btn-warm" lay-event="edit">编辑</a>
<a class="layui-btn layui-btn-xs layui-btn-danger" lay-event="del">删除</a>
</script>
<script>
layui.use(['table', 'layer', 'form', 'laypage'], function () {
var table = layui.table;
var form = layui.form;
table.render({
elem: '#goods_table'
, id: 'goodsReload'
, even: true //开启隔行背景
, url: '/goods/goodsList'
, request: {
pageName: 'pageNum',
limitName: 'pageSize'
}
, toolbar: '#goods_headerBar'
, title:
'商品详情表'
, page:
true //开启分页
, limit: 5
, limits: [1, 5, 10, 20, 50, 100]
, cols:
[[{field: 'id', title: '编号', width: 60, align: 'center'}
, {field: 'type', title: '类 型', width: 76, align: 'center'}
, {field: 'name', title: '商品名称', width: '8.5%', align: 'center'}
, {field: 'price', title: '价 格', width: '9.1%', align: 'center'}
, {field: 'size', title: '数 量', width: '9.5%', align: 'center'}
, {field: 'status', title: '状 态', width: '7.5%', align: 'center'}
, {field: 'description', title: '说 明', align: 'center'}
, {
fixed: 'right',
title: '操作',
toolbar: '#goods_lineBar',
width: 160,
align: 'center'
}
]]
});
// 监听头部工具栏
table.on('toolbar(goods_bar)', function (obj) {
switch (obj.event) {
// 根据增加行为给form隐藏项赋值
case 'add':
var data = {};
data.action = 'addGood';
data.request_type = 'post';
// 调用打开弹层的工具方法
open_form("#open_div", data, '添加商品', '620px', '282px');
break;
case 'refresh':
// 执行一个表格重载即实现刷新功能
table.reload('goodsReload', {
where: '',
contentType: 'application/x-www-form-urlencoded',
page: {
curr: 1 //重新从第 1 页开始
},
url: '/goods/goodsList',
method: 'get'
});
break;
}
});
table.on('tool(goods_bar)', function (obj) {
var data = obj.data;
var layEvent = obj.event;
var id = data.id;
switch (layEvent) {
case 'edit':
// 根据编辑行为为form隐藏项赋值
data.action = 'updateGood';
data.request_type = 'post';
open_form("#open_div", data, '编辑用例', '620px', '282px');
break;
case 'del':
layer.confirm('真的删除该行么', function (index) {
obj.del(); //删除对应行（tr）的DOM结构，并更新缓存
//向服务端发送删除指令
$.ajax({
type: "get", //数据提交方式(post/get)
url: "/goods/deleteGood?id=" + id, //提交到的url
contentType: "application/json; charset=utf-8",
dataType: "json",//返回的数据类型格式
success: function (result) {
layer.msg(result.msg, {icon: 1, time: 1000});
}, error: function (e) {
console.log(e, 'error');
layer.msg("查询商品异常，请联系管理员！", {icon: 1, time: 1000});
}
});
layer.close(index);
});
break;
}
});
form.on('submit(update_submit)', function (data) {
var uri = data.field.action;
var type = data.field.request_type;
$.ajax({
type: type,
url: '/goods/' + uri,
contentType: "application/json; charset=utf-8",
data: JSON.stringify(data.field),
dataType: "json",
success: function (result) {
if (result.code == "0") {
table.reload('goodsReload', {
contentType: 'application/x-www-form-urlencoded',
page: {
curr: 1 //重新从第 1 页开始
},
url: '/goods/goodsList',
method: 'get'
});
layer.msg('修改成功', {icon: 1, time: 1000});
} else { //失败
layer.alert(result.msg, {icon: 2}, function () {
layer.close(index);
});
}
}
});
layer.close(index);//关闭弹出层
return false;
});
});
</script>
</body>
</html>
工具方法
var index;
function open_form(element, data, title, width, height) {
if (title == null || title == '') {
title = false;
}
if (width == null || width == '') {
width = '100%';
}
if (height == null || height == '') {
height = '100%';
}
index = layer.open({
type: 1,
title: title,
area: [width, height],
fix: false, //不固定
maxmin: true,//开启最大化最小化按钮
shadeClose: true,//点击阴影处可关闭
shade: 0.4,//背景灰度
// skin: 'layui-layer-rim', //加上边框
content: $(element),
success: function () {
$(element).setForm(data);
layui.form.render(); // 下拉框赋值
}
});
}
$.fn.setForm = function (jsonValue) {
var obj = this;
$.each(jsonValue, function (name, ival) {
var $oinput = obj.find("input[name=" + name + "]");
if ($oinput.attr("type") === "checkbox") {
if (ival !== null) {
var checkboxObj = $("[name=" + name + "]");
var checkArray = ival.split(";");
for (var i = 0; i < checkboxObj.length; i++) {
for (var j = 0; j < checkArray.length; j++) {
if (checkboxObj[i].value === checkArray[j]) {
checkboxObj[i].click();
}
}
}
}
} else if ($oinput.attr("type") === "radio") {
$oinput.each(function () {
var radioObj = $("[name=" + name + "]");
for (var i = 0; i < radioObj.length; i++) {
if (radioObj[i].value == ival) {
radioObj[i].click();
}
}
});
} else if ($oinput.attr("type") === "textarea") {
obj.find("[name=" + name + "]").html(ival);
} else {
obj.find("[name=" + name + "]").val(ival);
}
})
};