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SpringBoot集成LayUI实现查询列表

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前言:

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前面介绍了SpringBoot集成LayUI和前端模板Thymeleaf,今天介绍一下数据列表的实现,线上一个简单的支持查询条件的列表实现。话不多说上代码

上前端界面user.html

<!DOCTYPE html><html><head>    <meta charset="utf-8">    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">    <title>后台管理系统</title>    <link rel="stylesheet" href="/css/layui.css"></head><body><div style="padding: 15px;">    <blockquote class="layui-elem-quote layui-text">        系统用户    </blockquote>    <form class="layui-form layui-row layui-col-space16">        <div class="layui-form-item">            <div class="layui-inline">                <label class="layui-form-label">用户标识</label>                <div class="layui-input-inline">                    <input type="text" name="userId" value="" placeholder="" class="layui-input"                           lay-affix="clear">                </div>                <label class="layui-form-label">邮箱</label>                <div class="layui-input-inline">                    <input type="text" name="email" value="" placeholder="" class="layui-input"                           lay-affix="clear">                </div>                <label class="layui-form-label">用户状态</label>                <div class="layui-input-inline">                    <input type="text" name="userStatus" value="" placeholder="" class="layui-input"                           lay-affix="clear">                </div>            </div>        </div>        <div class="layui-form-item">            <button class="layui-btn" id="demo-table-search" lay-submit lay-filter="demo-table-search">查询</button>            <button type="reset" class="layui-btn layui-btn-primary">重置</button>            <button type="button" class="layui-btn layui-btn-primary" lay-on="test-iframe-handle">创建</button>        </div>    </form>    <table class="layui-hide" id="ID-table-demo-search"></table></div><script src="/layui.js"></script><!-- 工具栏模板 --><script type="text/html" id="barDemo">    <div class="layui-clear-space">        <a class="layui-btn layui-btn-xs" lay-event="detail">查看</a>        <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="del">删除</a>    </div></script><script>    layui.use(function () {        var table = layui.table;        var form = layui.form;        var laydate = layui.laydate;        var $ = layui.$;        var util = layui.util;        // 创建表格实例        table.render({            elem: '#ID-table-demo-search',            contentType: 'application/json',            url: '/sysUser/list',            method: 'POST',            cols: [                [                    {field: 'userId', title: '用户标识'},                    {field: 'nickName', title: '昵称'},                    {field: 'email', title: '邮箱'},                    {field: 'userStatus', title: '用户状态'},                    {field: 'createTime', title: '创建时间'},                    {fixed: 'right', title: '操作', width: 234, minWidth: 125, templet: '#barDemo'}                ]            ],            page: true,            height: 510,            limit: 10, // 每页默认显示的数量,        });               // 搜索提交        form.on('submit(demo-table-search)', function (data) {            var field = data.field; // 获得表单字段            // 执行搜索重载            table.reloadData('ID-table-demo-search', {                page: {                    curr: 1 // 重新从第 1 页开始                },                where: field // 搜索的字段            });            return false; // 阻止默认 form 跳转        });    });</script></body></html>

这里有个坑

表格渲染列的时候,注意 cols: [[ 不要连着写,尽量换个行,因为集成了Thymeleaf,会把 [[ 作为特殊符号
LayUI列表页请求结构
// 忽略getset方法public class PageReq {    // 返回数据量    public int limit;    // 页数    public int page;    // 排序字段    private String orderField;    // 排序    private String orderBy;    @JsonIgnore    public int getOffset() {        if (page == 0) {            return 0;        }        int tmp = (page - 1) * limit;        return tmp < 0 ? 0 : tmp;    }}
需要分页的请求参数
// 忽略getset方法public class SysUserParam extends PageReq{    private Long userId;    /**     * 邮箱     */    private String email;    /**     * 用户状态     */    private String userStatus;    private String nickNameFullLike;}
LayUI列表页统一返回结构
// 忽略getset方法  public class Response<T> implements Serializable {    //错误信息    private String msg;    //错误码 0 成功 -1024 失败    private Integer code;    // 返回数据    private T data;    // 返回数据量    private Integer count;    public static <T> Response buildSuccess() {        return new Response("", 0, null, null);    }    public static <T> Response buildFail() {        return new Response("", -1024, null, null);    }    public static <T> Response buildFail(String msg) {        return new Response(msg, -1024, null, null);    }    public static <T> Response buildSuccess(T data, Integer count) {        return new Response("", 0, data, count);    }    public Response(String msg, Integer code, T date, Integer count) {        this.msg = msg;        this.code = code;        this.data = date;        this.count = count;    } }
Controller代码
@RestController@RequestMapping("/sysUser")public class UserController {    private Logger logger = LoggerFactory.getLogger(UserController.class);    @Resource    private SysUserBiz sysUserBiz;    /**     * 根据主键查询系统用户     */    @PostMapping("/list")    public Response<List<SysUserVO>> queryByParam(@RequestBody SysUserParam sysUserParam){        try {            return sysUserBiz.selectByCondition(sysUserParam.adaptor());        }catch (Exception e){            logger.error("queryUserList Exception",e);            return Response.buildFail();        }    }}

后面的底层SQL就忽略了,主要是看前端和controller的交互,以及参数返回值的约定

看下实现效果

默认进入的截图

带查询条件的截图

总感觉有点水,下次努力

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