380 lines
12 KiB
PHP
380 lines
12 KiB
PHP
<?php
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namespace Service;
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use Service\GoodsService;
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/**
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* 购买服务层
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* @author Devil
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* @blog http://gong.gg/
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* @version 0.0.1
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* @datetime 2016-12-01T21:51:08+0800
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*/
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class BuyService
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{
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/**
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* 购物车添加
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-08-29
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* @desc description
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* @param [array] $params [输入参数]
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*/
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public static function CartAdd($params = [])
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{
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// 请求参数
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$p = [
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[
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'checked_type' => 'empty',
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'key_name' => 'goods_id',
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'error_msg' => '商品id有误',
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],
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[
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'checked_type' => 'empty',
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'key_name' => 'stock',
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'error_msg' => '购买数量有误',
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],
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[
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'checked_type' => 'empty',
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'key_name' => 'user',
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'error_msg' => '用户信息有误',
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],
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];
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$ret = params_checked($params, $p);
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if($ret !== true)
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{
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return DataReturn($ret, -1);
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}
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// 获取商品
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$goods_id = intval($params['goods_id']);
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$goods = M('Goods')->where(['id'=>$goods_id, 'is_shelves'=>1, 'is_delete_time'=>0])->find();
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if(empty($goods))
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{
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return DataReturn('商品不存在或已删除', -2);
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}
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// 属性处理
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$attr = self::GoodsAttrParsing($params);
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// 添加购物车
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$data = [
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'user_id' => $params['user']['id'],
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'goods_id' => $goods_id,
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'title' => $goods['title'],
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'images' => $goods['images'],
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'original_price'=> $goods['original_price'],
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'price' => $goods['price'],
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'stock' => intval($params['stock']),
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'attribute' => count($attr) == 0 ? '' : json_encode($attr),
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];
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// 存在则更新
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$m = M('Cart');
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$where = ['user_id'=>$data['user_id'], 'goods_id'=>$data['goods_id'], 'attribute'=>$data['attribute']];
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$temp = $m->where($where)->find();
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if(empty($temp))
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{
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$data['add_time'] = time();
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if($m->add($data) > 0)
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{
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return DataReturn(L('common_join_success'), 0);
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}
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} else {
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$data['upd_time'] = time();
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$data['stock'] += $temp['stock'];
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if($m->where($where)->save($data))
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{
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return DataReturn(L('common_join_success'), 0);
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}
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}
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return DataReturn(L('common_join_error'), -100);
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}
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/**
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* 商品属性解析
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-09-21
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* @desc description
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* @param [array] $params [输入参数]
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*/
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private static function GoodsAttrParsing($params = [])
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{
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$data = [];
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if(!empty($params['attr']) && is_array($params['attr']) && !empty($params['goods_id']))
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{
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foreach($params['attr'] as $k=>$v)
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{
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$attr_type_name = M('GoodsAttributeType')->where(['goods_id'=>$params['goods_id'], 'id'=>$k])->getField('name');
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$attr_name = M('GoodsAttribute')->where(['goods_id'=>$params['goods_id'], 'id'=>$v])->getField('name');
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if(!empty($attr_type_name) && !empty($attr_name))
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{
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$data[] = [
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'attr_type_id' => $k,
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'attr_type_name' => $attr_type_name,
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'attr_id' => $v,
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'attr_name' => $attr_name,
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];
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}
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}
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}
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return $data;
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}
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/**
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* 获取购物车列表
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-08-29
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* @desc description
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* @param [array] $params [输入参数]
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*/
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public static function CartList($params = [])
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{
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// 请求参数
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$p = [
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[
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'checked_type' => 'empty',
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'key_name' => 'user',
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'error_msg' => '用户信息有误',
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],
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];
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$ret = params_checked($params, $p);
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if($ret !== true)
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{
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return DataReturn($ret, -1);
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}
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$where = (!empty($params['where']) && is_array($params['where'])) ? $params['where'] : [];
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$where['c.user_id'] = $params['user']['id'];
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$field = 'c.*, g.title, g.images, g.original_price, g.price, g.inventory, g.inventory_unit, g.is_shelves, g.is_delete_time';
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$data = M('Cart')->alias('c')->join(' __GOODS__ AS g ON g.id=c.goods_id')->where($where)->field($field)->select();
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if(!empty($data) && is_array($data))
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{
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$images_host = C('IMAGE_HOST');
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foreach($data as &$v)
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{
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$v['goods_url'] = HomeUrl('Goods', 'Index', ['id'=>$v['goods_id']]);
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$v['images'] = empty($v['images']) ? null : $images_host.$v['images'];
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$v['attribute'] = empty($v['attribute']) ? null : json_decode($v['attribute'], true);
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$v['total_price'] = $v['stock']*$v['price'];
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}
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}
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return DataReturn(L('common_operation_success'), 0, $data);
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}
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/**
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* 购物车删除
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-09-14
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* @desc description
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* @param [array] $params [输入参数]
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*/
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public static function CartDelete($params = [])
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{
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// 请求参数
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$p = [
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[
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'checked_type' => 'empty',
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'key_name' => 'id',
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'error_msg' => '删除数据id有误',
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],
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[
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'checked_type' => 'empty',
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'key_name' => 'user',
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'error_msg' => '用户信息有误',
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],
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];
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$ret = params_checked($params, $p);
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if($ret !== true)
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{
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return DataReturn($ret, -1);
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}
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// 删除
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$where = [
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'id' => ['in', explode(',', $params['id'])],
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'user_id' => $params['user']['id']
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];
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if(M('Cart')->where($where)->delete())
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{
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return DataReturn(L('common_operation_delete_success'), 0);
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}
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return DataReturn(L('common_operation_delete_error'), -100);
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}
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/**
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* 购物车数量保存
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-09-14
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* @desc description
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* @param [array] $params [输入参数]
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*/
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public static function CartStock($params = [])
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{
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// 请求参数
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$p = [
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[
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'checked_type' => 'empty',
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'key_name' => 'id',
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'error_msg' => '数据id有误',
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],
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[
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'checked_type' => 'empty',
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'key_name' => 'goods_id',
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'error_msg' => '商品id有误',
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],
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[
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'checked_type' => 'empty',
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'key_name' => 'stock',
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'error_msg' => '购买数量有误',
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],
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[
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'checked_type' => 'empty',
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'key_name' => 'user',
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'error_msg' => '用户信息有误',
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],
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];
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$ret = params_checked($params, $p);
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if($ret !== true)
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{
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return DataReturn($ret, -1);
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}
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// 更新
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$where = [
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'id' => intval($params['id']),
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'goods_id' => intval($params['goods_id']),
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'user_id' => intval($params['user']['id']),
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];
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$data = [
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'stock' => intval($params['stock']),
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'upd_time' => time(),
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];
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if(M('Cart')->where($where)->save($data))
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{
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return DataReturn(L('common_operation_update_success'), 0);
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}
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return DataReturn(L('common_operation_update_error'), -100);
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}
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/**
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* 下订单 - 正常购买
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-09-21
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* @desc description
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* @param [array] $params [输入参数]
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*/
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public static function BuyGoods($params = [])
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{
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// 请求参数
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$p = [
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[
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'checked_type' => 'empty',
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'key_name' => 'stock',
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'error_msg' => '购买数量有误',
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],
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[
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'checked_type' => 'empty',
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'key_name' => 'goods_id',
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'error_msg' => '商品id有误',
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],
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[
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'checked_type' => 'isset',
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'key_name' => 'attr',
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'error_msg' => '属性参数有误',
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],
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[
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'checked_type' => 'empty',
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'key_name' => 'user',
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'error_msg' => '用户信息有误',
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],
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];
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$ret = params_checked($params, $p);
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if($ret !== true)
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{
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return DataReturn($ret, -1);
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}
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// 获取商品
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$p = [
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'where' => [
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'g.id' => intval($params['goods_id']),
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'g.is_delete_time' => 0,
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'g.is_shelves' => 1,
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],
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'field' => 'g.id, g.id AS goods_id, g.title, g.images, g.original_price, g.price, g.inventory, g.inventory_unit',
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];
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$goods = GoodsService::GoodsList($p);
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if(empty($goods[0]))
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{
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return DataReturn(L('common_data_no_exist_error'), -10);
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}
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// 数量/小计
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$goods[0]['stock'] = $params['stock'];
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$goods[0]['total_price'] = $params['stock']*$goods[0]['price'];
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// 属性
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if(!empty($params['attr']))
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{
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$params['attr'] = json_decode($params['attr'], true);
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}
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$goods[0]['attribute'] = self::GoodsAttrParsing($params);
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return DataReturn(L('common_operation_success'), 0, $goods);
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}
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/**
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* 下订单 - 购物车
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-09-21
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* @desc description
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* @param [array] $params [输入参数]
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*/
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public static function BuyCart($params = [])
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{
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// 请求参数
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$p = [
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[
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'checked_type' => 'empty',
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'key_name' => 'ids',
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'error_msg' => '购物车id有误',
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],
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[
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'checked_type' => 'empty',
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'key_name' => 'user',
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'error_msg' => '用户信息有误',
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],
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];
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$ret = params_checked($params, $p);
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if($ret !== true)
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{
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return DataReturn($ret, -1);
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}
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// 获取购物车数据
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$params['where'] = [
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'g.is_delete_time' => 0,
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'g.is_shelves' => 1,
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'c.id' => ['in', explode(',', $params['ids'])],
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];
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return self::CartList($params);
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}
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}
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?>
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