thinkadmin搜索功能/下拉选项

1.从数据库读取供应商信息，下拉框显示供应商名字，选中的值为供应商id值来查询信息
2.控制器中equal()表示查询字段等于，like()表示查询包含的值
3.action="{:request()->url()}"发送至当前显示页
4.下拉查询中注释的代码为查询时根据查询的字段显示，即便分页跳转页获取到url传递的值默认选中

index_search.html前端搜索代码

<fieldset>
    <legend>条件搜索</legend>
    <form class="layui-form layui-form-pane form-search" action="{:request()->url()}" onsubmit="return false" method="get" autocomplete="off">
        <div class="layui-form-item layui-inline" >
            <label class="layui-form-label">供应商</label>
            <div class="layui-input-inline">
                <select class="layui-select" name="id">
                    <option value="">-- 选择供应商 --</option>
                    {foreach $supplierName as $k=>$v}
                    <!--{eq name='Think.get.id' value='$v.id'}-->
                    <option selected value="{$v.id}">{$v.gysmc}</option>
                    <!--{else}-->
                    <option value="{$v.id}">{$v.gysmc}</option>
                    <!--{/eq}-->
                    {/foreach}
                </select>
            </div>
        </div>
        <div class="layui-form-item layui-inline">
            <label class="layui-form-label">编号</label>
            <div class="layui-input-inline">
                <input name="gysbh" value="{$Think.get.gysbh|default=''}" placeholder="供应商编号" class="layui-input">
            </div>
        </div>
        <div class="layui-form-item layui-inline">
            <label class="layui-form-label">合作品种类别</label>
            <div class="layui-input-inline">
                <input name="hzpzlb" value="{$Think.get.hzpzlb|default=''}" placeholder="合作品种类别" class="layui-input">
            </div>
        </div>
        <div class="layui-form-item layui-inline">
            <button class="layui-btn layui-btn-primary"><i class="layui-icon">&#xe615;</i> 搜 索</button>
        </div>
    </form>

    <script>
        window.form.render();
    </script>
</fieldset>

Quali.php控制器代码

<?php
namespace app\goods\controller;

use library\Controller;
use app\goods\logic\QualiLogic;

class Quali extends Controller
{

    /**
     * 绑定数据表
     * @var string
     */
    protected $table = 'LiuQuali';
    //供应商资质查询
    public function index()
    {
        $QualiLogic = new QualiLogic();
        $this->title = '供应商资质查询';
        //供应商信息
        $supplierName = $QualiLogic->SupplierName();
        $this->assign('supplierName',$supplierName);
        $this->_query($this->table)
            ->equal('id,')
            ->like('gysbh,hzpzlb')
            ->page();
    }

QualiLogic.php逻辑类

<?php
namespace app\goods\logic;

use library\Controller;
use app\goods\model\QualiModel;

class QualiLogic extends Controller
{
 //获取供应商名
    public function SupplierName()
    {
        return QualiModel::select();
    }
}

QualiModel.php模型类

<?php
namespace app\goods\model;

use think\Model;
class QualiModel extends Model
{
    protected $table= 'liu_quali';
    protected $pk= 'id';
}

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