ZenCart分类数量打折Category Quantity Discount插件

附件：http://files.cnblogs.com/lzj87980239/Category_Quantity_Discount.rar

效果图
后台
1.将update.sql导入到数据库

2.将YOUR_TEMPLATES文件夹改为自己的模板名，然后上传到网站根目录

3.在includes/database_tables.php 在末尾添加代码

define('TABLE_CATEGORIES_DISCOUNT_QUANTITY', DB_PREFIX . 'categories_discount_quantity');

4.在includes/functions/functions_prices.php查找  

$display_price = zen_get_products_base_price($product_id);

在其上添加      

    $products_query_discount_type = $products_query->fields['products_discount_type'];
      if ($products_discounts_query->RecordCount() <=0 and $products_query_discount_type == 0) {
            $products_query2 = $db->Execute("select categories_discount_type, categories_discount_type_from FROM " . TABLE_CATEGORIES . " c , ". TABLE_PRODUCTS_TO_CATEGORIES ." pc where c.categories_id = pc.categories_id AND products_id='" . (int)$product_id . "'");
            $products_query_discount_type = $products_query2->fields['categories_discount_type'];
            $products_discounts_query = $db->Execute("SELECT * FROM " . TABLE_CATEGORIES_DISCOUNT_QUANTITY ." cd,". TABLE_PRODUCTS_TO_CATEGORIES." pc WHERE cd.categories_id = pc.categories_id AND products_id = " . (int)$product_id. " AND discount_qty <= '" .(float)$check_qty. "' ORDER BY discount_qty DESC");
}

查找

switch ($products_query->fields['products_discount_type']) {

替换为

switch ($products_query_discount_type) {

5.在includes/classes/shopping_cart.php查找

// discount qty pricing

在其下添加(有2处，2处都添加)  

$categories_query = $db->Execute("SELECT categories_discount_type FROM ". TABLE_CATEGORIES ." WHERE categories_id = ". zen_get_products_category_id($products_id));

再查找

if ($products->fields['products_discount_type'] != '0') {

修改为

if ($products->fields['products_discount_type'] != '0' || $categories_query->fields['categories_discount_type'] != '0') {

再查找

if ($product->fields['products_discount_type'] != '0') {

修改为

if ($product->fields['products_discount_type'] != '0' || $categories_query->fields['categories_discount_type'] != '0') {

6.在includes/modules/pages/product_info/main_template_vars.php查找

$products_discount_type = $product_info->fields['products_discount_type']; $products_discount_type_from = $product_info->fields['products_discount_type_from'];

修改为

$categories_discount = $db->Execute("SELECT * FROM ".TABLE_CATEGORIES." WHERE categories_id = ".$current_category_id); if( $product_info->fields['products_discount_type']!=0 ){  $products_discount_type = $product_info->fields['products_discount_type'];  $products_discount_type_from = $product_info->fields['products_discount_type_from']; }else{  $products_discount_type = $categories_discount->fields['categories_discount_type'];  $products_discount_type_from = $categories_discount->fields['categories_discount_type_from']; }

7.在includes/modules/products_quantity_discounts.php中查找

$discount_col_cnt = DISCOUNT_QUANTITY_PRICES_COLUMN;

在其上添加

if ($products_discounts_query->RecordCount() <=0 ) {    $products_discounts_query = $db->Execute("SELECT * FROM " . TABLE_CATEGORIES_DISCOUNT_QUANTITY ." WHERE categories_id = " . (int)$current_category_id . " AND discount_qty !=0" . " ORDER BY discount_qty" ); }

8.在includes emplatesYOUR_TEMPLATE emplates pl_product_info_display.php查找

if ($products_discount_type != 0) {

修改为

if ($products_discount_type != 0 || $categories_discount_type != 0) {