{"id":119029,"date":"2026-10-28T19:25:00","date_gmt":"2026-10-28T11:25:00","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/119029.html"},"modified":"2026-10-28T19:25:00","modified_gmt":"2026-10-28T11:25:00","slug":"flask%e8%ae%a2%e5%8d%95%e7%b3%bb%e7%bb%9f%e5%ae%8c%e6%95%b4%e5%ae%9e%e7%8e%b0%ef%bd%9c%e4%ba%8b%e5%8a%a1%e5%a4%84%e7%90%86%e7%8a%b6%e6%80%81%e6%b5%81%e8%bd%ac%e9%98%b2%e8%b6%85%e5%8d%96%ef%bc%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/119029.html","title":{"rendered":"Flask\u8ba2\u5355\u7cfb\u7edf\u5b8c\u6574\u5b9e\u73b0\uff5c\u4e8b\u52a1\u5904\u7406+\u72b6\u6001\u6d41\u8f6c+\u9632\u8d85\u5356\uff08\u9644\u6e90\u7801\uff09"},"content":{"rendered":"

\u26a0\ufe0f \u514d\u8d23\u58f0\u660e：\u672c\u6587\u9879\u76ee\u4ec5\u4f9b\u6280\u672f\u5b66\u4e60\u53c2\u8003，\u4e25\u7981\u76f4\u63a5\u4f5c\u4e3a\u6bd5\u4e1a\u8bbe\u8ba1\u6216\u8bfe\u7a0b\u4f5c\u4e1a\u63d0\u4ea4\u3002\u8bf7\u7ed3\u5408\u81ea\u8eab\u9700\u6c42\u8fdb\u884c\u4e8c\u6b21\u5f00\u53d1\u4e0e\u521b\u65b0，\u5b66\u672f\u8bda\u4fe1\u4ece\u6211\u505a\u8d77 🙂<\/p>\n

\n

\u8d2d\u7269\u8f66\u51fa\u95ee\u9898\u9876\u591a\u662f\u6570\u91cf\u7b97\u9519，\u8ba2\u5355\u51fa\u95ee\u9898\u5c31\u662f\u94b1\u548c\u5e93\u5b58\u5bf9\u4e0d\u4e0a，\u771f\u4f1a\u51fa\u4e8b\u3002<\/p>\n

\u4ece\u7528\u6237\u70b9\u51fb"\u63d0\u4ea4\u8ba2\u5355"\u7684\u90a3\u4e00\u523b\u8d77，\u4e00\u8fde\u4e32\u7684\u52a8\u4f5c\u8981\u5728\u6781\u77ed\u65f6\u95f4\u5185\u5b8c\u6210：\u6821\u9a8c\u5e93\u5b58\u3001\u6263\u51cf\u5e93\u5b58\u3001\u751f\u6210\u8ba2\u5355\u53f7\u3001\u521b\u5efa\u8ba2\u5355\u4e3b\u8868\u3001\u521b\u5efa\u8ba2\u5355\u660e\u7ec6\u8868\u3001\u6e05\u7a7a\u8d2d\u7269\u8f66\u3001\u8df3\u652f\u4ed8\u9875\u3002<\/p>\n

\u4e2d\u95f4\u4efb\u4f55\u4e00\u6b65\u51fa\u95ee\u9898，\u90fd\u53ef\u80fd\u5bfc\u81f4"\u94b1\u4ed8\u4e86\u8ba2\u5355\u6ca1\u4e86"\u6216\u8005"\u8ba2\u5355\u751f\u6210\u4e86\u5e93\u5b58\u6ca1\u6263"\u7684\u707e\u96be\u3002<\/p>\n

\u8bf4\u767d\u4e86\u8fd9\u4e00\u8282\u4f60\u53ea\u8981\u8bb0\u4f4f\u4e00\u4ef6\u4e8b：\u6240\u6709\u5199\u5e93\u7684\u64cd\u4f5c\u5fc5\u987b\u585e\u4e00\u4e2a\u4e8b\u52a1\u91cc，\u4e0d\u7136\u65e9\u665a\u51fa\u4e8b\u3002<\/p>\n

\u4e2d\u95f4\u4efb\u4f55\u4e00\u6b65\u6302\u4e86，\u524d\u9762\u5df2\u7ecf\u5199\u8fdb\u53bb\u7684\u4e1c\u897f\u5fc5\u987b\u5168\u90e8\u56de\u6eda，\u4e0d\u7136\u5c31\u662f\u810f\u6570\u636e\u3002<\/p>\n

\n

\u8ba2\u5355\u72b6\u6001\u6d41\u8f6c\u5148\u641e\u6e05\u695a<\/h3>\n

\u5728\u5199\u4ee3\u7801\u4e4b\u524d，\u5148\u628a\u8ba2\u5355\u6709\u54ea\u4e9b\u72b6\u6001\u3001\u72b6\u6001\u4e4b\u95f4\u600e\u4e48\u8f6c\u7684，\u753b\u5728\u8111\u5b50\u91cc\u3002<\/p>\n

\u7528\u6237\u4e0b\u5355
\n \u2193
\n[\u5f85\u652f\u4ed8] \u2500\u2500\u7528\u6237\u53d6\u6d88\u2500\u2500\u2192 [\u5df2\u53d6\u6d88]
\n \u2502
\n \u2514\u2500\u2500\u652f\u4ed8\u6210\u529f\u2500\u2500\u2192 [\u5f85\u53d1\u8d27] \u2500\u2500\u5546\u5bb6\u53d1\u8d27\u2500\u2500\u2192 [\u5f85\u6536\u8d27] \u2500\u2500\u786e\u8ba4\u6536\u8d27\u2500\u2500\u2192 [\u5df2\u5b8c\u6210]
\n \u2502 \u2502
\n \u2502 \u2514\u2500\u2500\u7533\u8bf7\u9000\u6b3e\u2500\u2500\u2192 [\u9000\u6b3e\u4e2d] \u2500\u2500\u9000\u6b3e\u6210\u529f\u2500\u2500\u2192 [\u5df2\u9000\u6b3e]
\n \u2514\u2500\u2500\u7533\u8bf7\u9000\u6b3e\u2500\u2500\u2192 [\u9000\u6b3e\u4e2d]<\/p>\n

\u8fd97\u4e2a\u72b6\u6001\u5148\u5728\u8111\u5b50\u91cc\u8fc7\u4e00\u904d，\u4e0d\u7136\u540e\u9762\u4ee3\u7801\u91cc status=\u51e0 \u4f60\u81ea\u5df1\u90fd\u7ed5\u6655：<\/p>\n\n\u72b6\u6001\u503c\u72b6\u6001\u540d\u89e6\u53d1\u52a8\u4f5c\u8c01\u64cd\u4f5c<\/tr>\n\n\n\n\n\n\n\n\n
0<\/td>\n\u5f85\u652f\u4ed8<\/td>\n\u7528\u6237\u4e0b\u5355<\/td>\n\u7528\u6237<\/td>\n<\/tr>\n
1<\/td>\n\u5f85\u53d1\u8d27<\/td>\n\u652f\u4ed8\u6210\u529f<\/td>\n\u7cfb\u7edf\u81ea\u52a8<\/td>\n<\/tr>\n
2<\/td>\n\u5f85\u6536\u8d27<\/td>\n\u5546\u5bb6\u53d1\u8d27<\/td>\n\u7ba1\u7406\u5458<\/td>\n<\/tr>\n
3<\/td>\n\u5df2\u5b8c\u6210<\/td>\n\u7528\u6237\u786e\u8ba4\u6536\u8d27<\/td>\n\u7528\u6237<\/td>\n<\/tr>\n
4<\/td>\n\u5df2\u53d6\u6d88<\/td>\n\u7528\u6237\u53d6\u6d88\u8ba2\u5355<\/td>\n\u7528\u6237 \/ \u7cfb\u7edf\u8d85\u65f6<\/td>\n<\/tr>\n
5<\/td>\n\u9000\u6b3e\u4e2d<\/td>\n\u7528\u6237\u7533\u8bf7\u9000\u6b3e<\/td>\n\u7528\u6237<\/td>\n<\/tr>\n
6<\/td>\n\u5df2\u9000\u6b3e<\/td>\n\u9000\u6b3e\u5ba1\u6838\u901a\u8fc7<\/td>\n\u7ba1\u7406\u5458<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u4e00\u3001\u751f\u6210\u8ba2\u5355：\u6574\u5957\u6d41\u7a0b + \u6570\u636e\u5e93\u4e8b\u52a1<\/h3>\n

\u751f\u6210\u8ba2\u5355\u662f\u6700\u6838\u5fc3\u7684\u4ee3\u7801，\u5fc5\u987b\u653e\u5728\u4e8b\u52a1\u91cc\u3002<\/p>\n

import<\/span> random
\nimport<\/span> time
\nfrom<\/span> datetime import<\/span> datetime
\nfrom<\/span> flask import<\/span> request,<\/span> jsonify,<\/span> render_template,<\/span> redirect,<\/span> url_for,<\/span> flash
\nfrom<\/span> flask_login import<\/span> login_required,<\/span> current_user<\/p>\n

@app.<\/span>route<\/span>(<\/span>'\/order\/create'<\/span>,<\/span> methods=<\/span>[<\/span>'POST'<\/span>]<\/span>)<\/span>
\n@login_required<\/span>
\ndef<\/span> order_create<\/span>(<\/span>)<\/span>:<\/span>
\n """\u751f\u6210\u8ba2\u5355"""<\/span>
\n address_id =<\/span> request.<\/span>form.<\/span>get(<\/span>'address_id'<\/span>,<\/span> type<\/span>=<\/span>int<\/span>)<\/span>
\n remark =<\/span> request.<\/span>form.<\/span>get(<\/span>'remark'<\/span>,<\/span> ''<\/span>)<\/span><\/p>\n

try<\/span>:<\/span>
\n # \u5f00\u542f\u4e8b\u52a1<\/span>
\n with<\/span> db.<\/span>session.<\/span>begin_nested(<\/span>)<\/span>:<\/span>
\n # ========== \u7b2c1\u6b65：\u67e5\u8d2d\u7269\u8f66\u4e2d\u9009\u4e2d\u7684\u5546\u54c1 ==========<\/span>
\n cart_items =<\/span> db.<\/span>session.<\/span>query(<\/span>Cart,<\/span> Goods)<\/span>.<\/span>join(<\/span>
\n Goods,<\/span> Cart.<\/span>goods_id ==<\/span> Goods.<\/span>id<\/span>
\n )<\/span>.<\/span>filter<\/span>(<\/span>
\n Cart.<\/span>user_id ==<\/span> current_user.<\/span>id<\/span>,<\/span>
\n Cart.<\/span>selected ==<\/span> 1<\/span>
\n )<\/span>.<\/span>with_for_update(<\/span>)<\/span>.<\/span>all<\/span>(<\/span>)<\/span> # \u884c\u9501，\u9632\u6b62\u5e76\u53d1<\/span><\/p>\n

if<\/span> not<\/span> cart_items:<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> '\u8bf7\u5148\u9009\u62e9\u5546\u54c1'<\/span>}<\/span>)<\/span><\/p>\n

# ========== \u7b2c2\u6b65：\u6821\u9a8c\u5e93\u5b58 + \u8ba1\u7b97\u603b\u91d1\u989d ==========<\/span>
\n total_amount =<\/span> 0<\/span>
\n order_items_data =<\/span> [<\/span>]<\/span> # \u5b58\u8ba2\u5355\u9879\u6570\u636e<\/span><\/p>\n

for<\/span> cart,<\/span> goods in<\/span> cart_items:<\/span>
\n if<\/span> goods.<\/span>status !=<\/span> 1<\/span>:<\/span>
\n raise<\/span> Exception(<\/span>f'\u5546\u54c1\u3010<\/span>{<\/span>goods.<\/span>name}<\/span><\/span>\u3011\u5df2\u4e0b\u67b6'<\/span><\/span>)<\/span><\/p>\n

if<\/span> cart.<\/span>quantity ><\/span> goods.<\/span>stock:<\/span>
\n raise<\/span> Exception(<\/span>f'\u5546\u54c1\u3010<\/span>{<\/span>goods.<\/span>name}<\/span><\/span>\u3011\u5e93\u5b58\u4e0d\u8db3，\u4ec5\u5269<\/span>{<\/span>goods.<\/span>stock}<\/span><\/span>\u4ef6'<\/span><\/span>)<\/span><\/p>\n

subtotal =<\/span> goods.<\/span>price *<\/span> cart.<\/span>quantity
\n total_amount +=<\/span> subtotal<\/p>\n

order_items_data.<\/span>append(<\/span>{<\/span>
\n 'goods_id'<\/span>:<\/span> goods.<\/span>id<\/span>,<\/span>
\n 'goods_name'<\/span>:<\/span> goods.<\/span>name,<\/span>
\n 'goods_image'<\/span>:<\/span> goods.<\/span>cover_image,<\/span>
\n 'price'<\/span>:<\/span> goods.<\/span>price,<\/span>
\n 'quantity'<\/span>:<\/span> cart.<\/span>quantity,<\/span>
\n 'subtotal'<\/span>:<\/span> subtotal
\n }<\/span>)<\/span><\/p>\n

# ========== \u7b2c3\u6b65：\u67e5\u6536\u8d27\u5730\u5740 ==========<\/span>
\n address =<\/span> Address.<\/span>query.<\/span>filter_by(<\/span>
\n id<\/span>=<\/span>address_id,<\/span>
\n user_id=<\/span>current_user.<\/span>id<\/span>
\n )<\/span>.<\/span>first(<\/span>)<\/span>
\n if<\/span> not<\/span> address:<\/span>
\n raise<\/span> Exception(<\/span>'\u8bf7\u9009\u62e9\u6536\u8d27\u5730\u5740'<\/span>)<\/span><\/p>\n

# \u5730\u5740\u5feb\u7167\u62fc\u63a5（\u7701 + \u5e02 + \u533a + \u8be6\u7ec6\u5730\u5740）<\/span>
\n full_address =<\/span> f"<\/span>{<\/span>address.<\/span>province}<\/span><\/span>{<\/span>address.<\/span>city}<\/span><\/span>{<\/span>address.<\/span>district}<\/span><\/span>{<\/span>address.<\/span>detail}<\/span><\/span>"<\/span><\/span><\/p>\n

# ========== \u7b2c4\u6b65：\u751f\u6210\u8ba2\u5355\u53f7 ==========<\/span>
\n order_no =<\/span> generate_order_no(<\/span>)<\/span><\/p>\n

# ========== \u7b2c5\u6b65：\u521b\u5efa\u8ba2\u5355\u4e3b\u8868 ==========<\/span>
\n order =<\/span> OrderInfo(<\/span>
\n order_no=<\/span>order_no,<\/span>
\n user_id=<\/span>current_user.<\/span>id<\/span>,<\/span>
\n receiver_name=<\/span>address.<\/span>receiver,<\/span>
\n receiver_phone=<\/span>address.<\/span>phone,<\/span>
\n receiver_address=<\/span>full_address,<\/span>
\n total_amount=<\/span>round<\/span>(<\/span>total_amount,<\/span> 2<\/span>)<\/span>,<\/span>
\n pay_amount=<\/span>round<\/span>(<\/span>total_amount,<\/span> 2<\/span>)<\/span>,<\/span> # \u6ca1\u6709\u4f18\u60e0\u7684\u8bdd\u5b9e\u4ed8=\u603b\u4ef7<\/span>
\n status=<\/span>0<\/span>,<\/span> # \u5f85\u652f\u4ed8<\/span>
\n remark=<\/span>remark
\n )<\/span>
\n db.<\/span>session.<\/span>add(<\/span>order)<\/span>
\n db.<\/span>session.<\/span>flush(<\/span>)<\/span> # \u62ff\u5230 order.id<\/span><\/p>\n

# ========== \u7b2c6\u6b65：\u521b\u5efa\u8ba2\u5355\u660e\u7ec6 ==========<\/span>
\n for<\/span> item in<\/span> order_items_data:<\/span>
\n order_item =<\/span> OrderItem(<\/span>
\n order_id=<\/span>order.<\/span>id<\/span>,<\/span>
\n goods_id=<\/span>item[<\/span>'goods_id'<\/span>]<\/span>,<\/span>
\n goods_name=<\/span>item[<\/span>'goods_name'<\/span>]<\/span>,<\/span>
\n goods_image=<\/span>item[<\/span>'goods_image'<\/span>]<\/span>,<\/span>
\n price=<\/span>item[<\/span>'price'<\/span>]<\/span>,<\/span>
\n quantity=<\/span>item[<\/span>'quantity'<\/span>]<\/span>,<\/span>
\n subtotal=<\/span>round<\/span>(<\/span>item[<\/span>'subtotal'<\/span>]<\/span>,<\/span> 2<\/span>)<\/span>
\n )<\/span>
\n db.<\/span>session.<\/span>add(<\/span>order_item)<\/span><\/p>\n

# ========== \u7b2c7\u6b65：\u6263\u51cf\u5e93\u5b58 ==========<\/span>
\n for<\/span> cart,<\/span> goods in<\/span> cart_items:<\/span>
\n # \u4e50\u89c2\u9501\u65b9\u5f0f\u6263\u5e93\u5b58：stock >= \u6570\u91cf\u65f6\u624d\u66f4\u65b0<\/span>
\n result =<\/span> Goods.<\/span>query.<\/span>filter_by(<\/span>id<\/span>=<\/span>goods.<\/span>id<\/span>)<\/span>.<\/span>update(<\/span>{<\/span>
\n 'stock'<\/span>:<\/span> Goods.<\/span>stock –<\/span> cart.<\/span>quantity,<\/span>
\n 'sales'<\/span>:<\/span> Goods.<\/span>sales +<\/span> cart.<\/span>quantity
\n }<\/span>)<\/span>
\n if<\/span> result ==<\/span> 0<\/span>:<\/span>
\n raise<\/span> Exception(<\/span>f'\u5546\u54c1\u3010<\/span>{<\/span>goods.<\/span>name}<\/span><\/span>\u3011\u5e93\u5b58\u4e0d\u8db3'<\/span><\/span>)<\/span><\/p>\n

# ========== \u7b2c8\u6b65：\u5220\u9664\u8d2d\u7269\u8f66\u4e2d\u5df2\u7ed3\u7b97\u7684\u5546\u54c1 ==========<\/span>
\n Cart.<\/span>query.<\/span>filter<\/span>(<\/span>
\n Cart.<\/span>user_id ==<\/span> current_user.<\/span>id<\/span>,<\/span>
\n Cart.<\/span>selected ==<\/span> 1<\/span>
\n )<\/span>.<\/span>delete(<\/span>synchronize_session=<\/span>False<\/span>)<\/span><\/p>\n

# \u4e8b\u52a1\u63d0\u4ea4<\/span>
\n db.<\/span>session.<\/span>commit(<\/span>)<\/span><\/p>\n

return<\/span> jsonify(<\/span>{<\/span>
\n 'code'<\/span>:<\/span> 0<\/span>,<\/span>
\n 'message'<\/span>:<\/span> '\u8ba2\u5355\u521b\u5efa\u6210\u529f'<\/span>,<\/span>
\n 'order_id'<\/span>:<\/span> order.<\/span>id<\/span>,<\/span>
\n 'order_no'<\/span>:<\/span> order.<\/span>order_no
\n }<\/span>)<\/span><\/p>\n

except<\/span> Exception as<\/span> e:<\/span>
\n # \u4e8b\u52a1\u56de\u6eda<\/span>
\n db.<\/span>session.<\/span>rollback(<\/span>)<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> str<\/span>(<\/span>e)<\/span>}<\/span>)<\/span><\/p>\n

def<\/span> generate_order_no<\/span>(<\/span>)<\/span>:<\/span>
\n """\u751f\u6210\u552f\u4e00\u8ba2\u5355\u53f7：\u65f6\u95f4\u6233 + \u7528\u6237ID\u540e4\u4f4d + 4\u4f4d\u968f\u673a\u6570"""<\/span>
\n timestamp =<\/span> datetime.<\/span>now(<\/span>)<\/span>.<\/span>strftime(<\/span>'%Y%m%d%H%M%S'<\/span>)<\/span>
\n user_suffix =<\/span> str<\/span>(<\/span>current_user.<\/span>id<\/span>)<\/span>.<\/span>zfill(<\/span>4<\/span>)<\/span>[<\/span>–<\/span>4<\/span>:<\/span>]<\/span>
\n random_num =<\/span> str<\/span>(<\/span>random.<\/span>randint(<\/span>0<\/span>,<\/span> 9999<\/span>)<\/span>)<\/span>.<\/span>zfill(<\/span>4<\/span>)<\/span>
\n return<\/span> f"<\/span>{<\/span>timestamp}<\/span><\/span>{<\/span>user_suffix}<\/span><\/span>{<\/span>random_num}<\/span><\/span>"<\/span><\/span><\/p>\n

\u8fd9\u6bb5\u4ee3\u7801\u91cc\u6709\u51e0\u4e2a\u5173\u952e\u70b9，\u7b54\u8fa9\u5e38\u95ee：<\/p>\n

1. \u4e3a\u4ec0\u4e48\u7528\u4e8b\u52a1？<\/h4>\n

\u7b54：\u751f\u6210\u8ba2\u5355\u6d89\u53ca\u591a\u4e2a\u6570\u636e\u5e93\u64cd\u4f5c（\u521b\u5efa\u8ba2\u5355\u3001\u521b\u5efa\u660e\u7ec6\u3001\u6263\u5e93\u5b58\u3001\u5220\u8d2d\u7269\u8f66），\u4efb\u4f55\u4e00\u6b65\u5931\u8d25\u90fd\u8981\u5168\u90e8\u56de\u9000\u3002\u6bd4\u5982\u5e93\u5b58\u6263\u4e86\u4f46\u8ba2\u5355\u6ca1\u751f\u6210\u2014\u2014\u7528\u6237\u7684\u94b1\u767d\u82b1\u4e86，\u5e93\u5b58\u4e5f\u5c11\u4e86，\u4e24\u5934\u51fa\u95ee\u9898\u3002\u4e8b\u52a1\u4fdd\u8bc1\u8981\u4e48\u5168\u6210\u529f\u3001\u8981\u4e48\u5168\u5931\u8d25\u3002<\/p>\n

2. \u4e3a\u4ec0\u4e48\u7528 with_for_update()？<\/h4>\n

\u7b54：\u884c\u9501\u3002\u9632\u6b62\u4e24\u4e2a\u7528\u6237\u540c\u65f6\u4e70\u6700\u540e\u4e00\u4ef6\u5546\u54c1\u65f6，\u90fd\u901a\u8fc7\u4e86\u5e93\u5b58\u68c0\u67e5，\u7136\u540e\u90fd\u53bb\u6263\u5e93\u5b58，\u5bfc\u81f4\u8d85\u5356\u3002with_for_update() \u4f1a\u5728\u67e5\u8be2\u65f6\u7ed9\u8fd9\u4e9b\u884c\u52a0\u6392\u4ed6\u9501，\u5176\u4ed6\u4e8b\u52a1\u8981\u7b49\u8fd9\u4e2a\u4e8b\u52a1\u63d0\u4ea4\u4e86\u624d\u80fd\u8bfb，\u4fdd\u8bc1\u5e93\u5b58\u6821\u9a8c\u548c\u6263\u51cf\u662f\u539f\u5b50\u7684\u3002<\/p>\n

3. \u8ba2\u5355\u53f7\u600e\u4e48\u751f\u6210\u7684？<\/h4>\n

\u7b54：\u65f6\u95f4\u6233 + \u7528\u6237ID\u540e4\u4f4d + 4\u4f4d\u968f\u673a\u6570\u3002\u8fd9\u6837\u6709\u51e0\u4e2a\u597d\u5904：\u65f6\u95f4\u7ef4\u5ea6\u4e00\u773c\u5c31\u80fd\u770b\u51fa\u4ec0\u4e48\u65f6\u5019\u4e0b\u7684\u5355\u3001\u5305\u542b\u7528\u6237\u4fe1\u606f\u65b9\u4fbf\u6392\u67e5\u3001\u968f\u673a\u6570\u9632\u6b62\u540c\u4e00\u79d2\u540c\u4e00\u7528\u6237\u7684\u591a\u4e2a\u8ba2\u5355\u91cd\u590d\u3002\u957f\u5ea6\u56fa\u5b9a，32\u4f4d\u4ee5\u5185\u3002<\/p>\n

4. \u8ba2\u5355\u9879\u4e3a\u4ec0\u4e48\u8981\u5b58\u5546\u54c1\u540d\u79f0\u548c\u4ef7\u683c\u7684\u5feb\u7167？<\/h4>\n

\u7b54：\u56e0\u4e3a\u5546\u54c1\u4fe1\u606f\u4f1a\u53d8\u2014\u2014\u6539\u540d\u3001\u8c03\u4ef7\u3001\u4e0b\u67b6\u3001\u5220\u9664\u3002\u5982\u679c\u53ea\u5b58\u5546\u54c1ID，\u4ee5\u540e\u67e5\u5386\u53f2\u8ba2\u5355\u65f6，\u5546\u54c1\u540d\u53ef\u80fd\u53d8\u4e86，\u4ef7\u683c\u4e5f\u4e0d\u4e00\u6837\u4e86，\u7528\u6237\u770b\u5230\u7684\u8ba2\u5355\u4fe1\u606f\u5c31\u4e0d\u5bf9\u4e86\u3002\u5feb\u7167\u5b58\u4e0b\u6765，\u8ba2\u5355\u6570\u636e\u6c38\u8fdc\u662f\u4e0b\u5355\u65f6\u7684\u6837\u5b50\u3002<\/p>\n

5. \u5730\u5740\u4e3a\u4ec0\u4e48\u5b58\u5feb\u7167？<\/h4>\n

\u7b54：\u540c\u7406，\u7528\u6237\u53ef\u80fd\u4fee\u6539\u6216\u5220\u9664\u6536\u8d27\u5730\u5740\u3002\u8ba2\u5355\u91cc\u7684\u6536\u8d27\u5730\u5740\u5fc5\u987b\u662f\u4e0b\u5355\u90a3\u4e00\u523b\u7684\u5730\u5740，\u4e0d\u80fd\u8ddf\u7740\u7528\u6237\u5730\u5740\u8868\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002\u6240\u4ee5\u628a\u6536\u8d27\u4eba\u3001\u7535\u8bdd\u3001\u5b8c\u6574\u5730\u5740\u76f4\u63a5\u5b58\u5230\u8ba2\u5355\u8868\u91cc，\u505a\u6210\u5feb\u7167\u3002<\/p>\n

\n

\u4e8c\u3001\u8ba2\u5355\u5217\u8868（\u7528\u6237\u7aef）<\/h3>\n

\u7528\u6237\u7684"\u6211\u7684\u8ba2\u5355"\u9875\u9762，\u4e00\u822c\u652f\u6301\u6309\u72b6\u6001\u7b5b\u9009：\u5168\u90e8 \/ \u5f85\u652f\u4ed8 \/ \u5f85\u53d1\u8d27 \/ \u5f85\u6536\u8d27 \/ \u9000\u6b3e \/ \u5df2\u5b8c\u6210\u3002<\/p>\n

\u6211\u7684\u8ba2\u5355\u9875\u9762\u957f\u8fd9\u6837\u2014\u2014\u9876\u90e8\u72b6\u6001 Tab，\u4e0b\u9762\u662f\u8ba2\u5355\u5361\u7247（\u8ba2\u5355\u53f7\u3001\u5546\u54c1\u660e\u7ec6\u3001\u4e0b\u5355\u65f6\u95f4\u3001\u91d1\u989d\u3001\u8be6\u60c5\u6309\u94ae）：<\/p>\n

\"MYD\u5546\u57ce\u8ba2\u5355\u5217\u8868\"<\/p>\n

@app.<\/span>route<\/span>(<\/span>'\/order\/list'<\/span>)<\/span>
\n@login_required<\/span>
\ndef<\/span> order_list<\/span>(<\/span>)<\/span>:<\/span>
\n status =<\/span> request.<\/span>args.<\/span>get(<\/span>'status'<\/span>,<\/span> type<\/span>=<\/span>int<\/span>)<\/span> # \u4e0d\u4f20\u5c31\u662f\u5168\u90e8<\/span>
\n page =<\/span> request.<\/span>args.<\/span>get(<\/span>'page'<\/span>,<\/span> 1<\/span>,<\/span> type<\/span>=<\/span>int<\/span>)<\/span><\/p>\n

query =<\/span> OrderInfo.<\/span>query.<\/span>filter_by(<\/span>user_id=<\/span>current_user.<\/span>id<\/span>)<\/span><\/p>\n

if<\/span> status is<\/span> not<\/span> None<\/span>:<\/span>
\n query =<\/span> query.<\/span>filter_by(<\/span>status=<\/span>status)<\/span><\/p>\n

query =<\/span> query.<\/span>order_by(<\/span>OrderInfo.<\/span>created_at.<\/span>desc(<\/span>)<\/span>)<\/span>
\n pagination =<\/span> query.<\/span>paginate(<\/span>page=<\/span>page,<\/span> per_page=<\/span>5<\/span>,<\/span> error_out=<\/span>False<\/span>)<\/span>
\n orders =<\/span> pagination.<\/span>items<\/p>\n

# \u67e5\u6bcf\u4e2a\u8ba2\u5355\u7684\u660e\u7ec6<\/span>
\n for<\/span> order in<\/span> orders:<\/span>
\n order.<\/span>items =<\/span> OrderItem.<\/span>query.<\/span>filter_by(<\/span>order_id=<\/span>order.<\/span>id<\/span>)<\/span>.<\/span>all<\/span>(<\/span>)<\/span><\/p>\n

# \u5404\u72b6\u6001\u6570\u91cf（Tab \u4e0a\u663e\u793a\u7ea2\u70b9）<\/span>
\n status_counts =<\/span> {<\/span>
\n 'pending_pay'<\/span>:<\/span> OrderInfo.<\/span>query.<\/span>filter_by(<\/span>user_id=<\/span>current_user.<\/span>id<\/span>,<\/span> status=<\/span>0<\/span>)<\/span>.<\/span>count(<\/span>)<\/span>,<\/span>
\n 'pending_ship'<\/span>:<\/span> OrderInfo.<\/span>query.<\/span>filter_by(<\/span>user_id=<\/span>current_user.<\/span>id<\/span>,<\/span> status=<\/span>1<\/span>)<\/span>.<\/span>count(<\/span>)<\/span>,<\/span>
\n 'pending_receive'<\/span>:<\/span> OrderInfo.<\/span>query.<\/span>filter_by(<\/span>user_id=<\/span>current_user.<\/span>id<\/span>,<\/span> status=<\/span>2<\/span>)<\/span>.<\/span>count(<\/span>)<\/span>,<\/span>
\n 'refund'<\/span>:<\/span> OrderInfo.<\/span>query.<\/span>filter_by(<\/span>user_id=<\/span>current_user.<\/span>id<\/span>,<\/span> status=<\/span>5<\/span>)<\/span>.<\/span>count(<\/span>)<\/span>,<\/span>
\n }<\/span><\/p>\n

return<\/span> render_template(<\/span>'order\/list.html'<\/span>,<\/span>
\n orders=<\/span>orders,<\/span>
\n pagination=<\/span>pagination,<\/span>
\n current_status=<\/span>status,<\/span>
\n status_counts=<\/span>status_counts)<\/span><\/p>\n

\u6a21\u677f\u6e32\u67d3\u6210 Tab \u5207\u6362\u7684\u5f62\u5f0f：<\/p>\n

<<\/span>div<\/span> class<\/span>=<\/span>"<\/span>order-tabs"<\/span><\/span>><\/span><\/span>
\n <<\/span>a<\/span> href<\/span>=<\/span>"<\/span>\/order\/list"<\/span><\/span> class<\/span>=<\/span>"<\/span>{% if current_status is none %}active{% endif %}"<\/span><\/span>><\/span><\/span>\u5168\u90e8<\/<\/span>a<\/span>><\/span><\/span>
\n <<\/span>a<\/span> href<\/span>=<\/span>"<\/span>\/order\/list?status=0"<\/span><\/span> class<\/span>=<\/span>"<\/span>{% if current_status == 0 %}active{% endif %}"<\/span><\/span>><\/span><\/span>
\n \u5f85\u652f\u4ed8 {% if status_counts.pending_pay > 0 %}<<\/span>span<\/span> class<\/span>=<\/span>"<\/span>badge"<\/span><\/span>><\/span><\/span>{{ status_counts.pending_pay }}<\/<\/span>span<\/span>><\/span><\/span>{% endif %}
\n <\/<\/span>a<\/span>><\/span><\/span>
\n <<\/span>a<\/span> href<\/span>=<\/span>"<\/span>\/order\/list?status=1"<\/span><\/span> class<\/span>=<\/span>"<\/span>{% if current_status == 1 %}active{% endif %}"<\/span><\/span>><\/span><\/span>
\n \u5f85\u53d1\u8d27 {% if status_counts.pending_ship > 0 %}<<\/span>span<\/span> class<\/span>=<\/span>"<\/span>badge"<\/span><\/span>><\/span><\/span>{{ status_counts.pending_ship }}<\/<\/span>span<\/span>><\/span><\/span>{% endif %}
\n <\/<\/span>a<\/span>><\/span><\/span>
\n <<\/span>a<\/span> href<\/span>=<\/span>"<\/span>\/order\/list?status=2"<\/span><\/span> class<\/span>=<\/span>"<\/span>{% if current_status == 2 %}active{% endif %}"<\/span><\/span>><\/span><\/span>
\n \u5f85\u6536\u8d27 {% if status_counts.pending_receive > 0 %}<<\/span>span<\/span> class<\/span>=<\/span>"<\/span>badge"<\/span><\/span>><\/span><\/span>{{ status_counts.pending_receive }}<\/<\/span>span<\/span>><\/span><\/span>{% endif %}
\n <\/<\/span>a<\/span>><\/span><\/span>
\n <<\/span>a<\/span> href<\/span>=<\/span>"<\/span>\/order\/list?status=5"<\/span><\/span> class<\/span>=<\/span>"<\/span>{% if current_status == 5 %}active{% endif %}"<\/span><\/span>><\/span><\/span>
\n \u9000\u6b3e\u4e2d {% if status_counts.refund > 0 %}<<\/span>span<\/span> class<\/span>=<\/span>"<\/span>badge"<\/span><\/span>><\/span><\/span>{{ status_counts.refund }}<\/<\/span>span<\/span>><\/span><\/span>{% endif %}
\n <\/<\/span>a<\/span>><\/span><\/span>
\n <<\/span>a<\/span> href<\/span>=<\/span>"<\/span>\/order\/list?status=3"<\/span><\/span> class<\/span>=<\/span>"<\/span>{% if current_status == 3 %}active{% endif %}"<\/span><\/span>><\/span><\/span>\u5df2\u5b8c\u6210<\/<\/span>a<\/span>><\/span><\/span>
\n<\/<\/span>div<\/span>><\/span><\/span><\/p>\n

\n

\u4e09\u3001\u8ba2\u5355\u64cd\u4f5c：\u53d6\u6d88\u3001\u786e\u8ba4\u6536\u8d27\u3001\u7533\u8bf7\u9000\u6b3e<\/h3>\n

\u53d6\u6d88\u8ba2\u5355（\u5f85\u652f\u4ed8\u72b6\u6001\u624d\u53ef\u4ee5\u53d6\u6d88）<\/h4>\n

@app.<\/span>route<\/span>(<\/span>'\/order\/cancel\/<int:order_id>'<\/span>,<\/span> methods=<\/span>[<\/span>'POST'<\/span>]<\/span>)<\/span>
\n@login_required<\/span>
\ndef<\/span> order_cancel<\/span>(<\/span>order_id)<\/span>:<\/span>
\n order =<\/span> OrderInfo.<\/span>query.<\/span>filter_by(<\/span>
\n id<\/span>=<\/span>order_id,<\/span>
\n user_id=<\/span>current_user.<\/span>id<\/span>
\n )<\/span>.<\/span>first(<\/span>)<\/span><\/p>\n

if<\/span> not<\/span> order:<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> '\u8ba2\u5355\u4e0d\u5b58\u5728'<\/span>}<\/span>)<\/span><\/p>\n

if<\/span> order.<\/span>status !=<\/span> 0<\/span>:<\/span> # \u53ea\u6709\u5f85\u652f\u4ed8\u624d\u80fd\u53d6\u6d88<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> '\u5f53\u524d\u72b6\u6001\u4e0d\u80fd\u53d6\u6d88'<\/span>}<\/span>)<\/span><\/p>\n

try<\/span>:<\/span>
\n with<\/span> db.<\/span>session.<\/span>begin_nested(<\/span>)<\/span>:<\/span>
\n # 1. \u66f4\u65b0\u8ba2\u5355\u72b6\u6001<\/span>
\n order.<\/span>status =<\/span> 4<\/span> # \u5df2\u53d6\u6d88<\/span>
\n order.<\/span>cancel_time =<\/span> datetime.<\/span>now(<\/span>)<\/span><\/p>\n

# 2. \u6062\u590d\u5e93\u5b58（\u53d6\u6d88\u8ba2\u5355\u8981\u628a\u5e93\u5b58\u52a0\u56de\u53bb）<\/span>
\n items =<\/span> OrderItem.<\/span>query.<\/span>filter_by(<\/span>order_id=<\/span>order.<\/span>id<\/span>)<\/span>.<\/span>all<\/span>(<\/span>)<\/span>
\n for<\/span> item in<\/span> items:<\/span>
\n Goods.<\/span>query.<\/span>filter_by(<\/span>id<\/span>=<\/span>item.<\/span>goods_id)<\/span>.<\/span>update(<\/span>{<\/span>
\n 'stock'<\/span>:<\/span> Goods.<\/span>stock +<\/span> item.<\/span>quantity,<\/span>
\n 'sales'<\/span>:<\/span> Goods.<\/span>sales –<\/span> item.<\/span>quantity
\n }<\/span>)<\/span><\/p>\n

db.<\/span>session.<\/span>commit(<\/span>)<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 0<\/span>,<\/span> 'message'<\/span>:<\/span> '\u8ba2\u5355\u5df2\u53d6\u6d88'<\/span>}<\/span>)<\/span>
\n except<\/span>:<\/span>
\n db.<\/span>session.<\/span>rollback(<\/span>)<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> '\u53d6\u6d88\u5931\u8d25'<\/span>}<\/span>)<\/span><\/p>\n

\u786e\u8ba4\u6536\u8d27（\u5f85\u6536\u8d27\u72b6\u6001）<\/h4>\n

@app.<\/span>route<\/span>(<\/span>'\/order\/confirm\/<int:order_id>'<\/span>,<\/span> methods=<\/span>[<\/span>'POST'<\/span>]<\/span>)<\/span>
\n@login_required<\/span>
\ndef<\/span> order_confirm<\/span>(<\/span>order_id)<\/span>:<\/span>
\n order =<\/span> OrderInfo.<\/span>query.<\/span>filter_by(<\/span>
\n id<\/span>=<\/span>order_id,<\/span>
\n user_id=<\/span>current_user.<\/span>id<\/span>
\n )<\/span>.<\/span>first(<\/span>)<\/span><\/p>\n

if<\/span> not<\/span> order or<\/span> order.<\/span>status !=<\/span> 2<\/span>:<\/span> # \u5f85\u6536\u8d27\u624d\u80fd\u786e\u8ba4<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> '\u5f53\u524d\u72b6\u6001\u4e0d\u80fd\u786e\u8ba4\u6536\u8d27'<\/span>}<\/span>)<\/span><\/p>\n

order.<\/span>status =<\/span> 3<\/span> # \u5df2\u5b8c\u6210<\/span>
\n order.<\/span>finish_time =<\/span> datetime.<\/span>now(<\/span>)<\/span>
\n db.<\/span>session.<\/span>commit(<\/span>)<\/span><\/p>\n

return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 0<\/span>,<\/span> 'message'<\/span>:<\/span> '\u5df2\u786e\u8ba4\u6536\u8d27'<\/span>}<\/span>)<\/span><\/p>\n

\u7533\u8bf7\u9000\u6b3e（\u5f85\u53d1\u8d27 \/ \u5f85\u6536\u8d27\u90fd\u80fd\u7533\u8bf7）<\/h4>\n

@app.<\/span>route<\/span>(<\/span>'\/order\/refund\/<int:order_id>'<\/span>,<\/span> methods=<\/span>[<\/span>'POST'<\/span>]<\/span>)<\/span>
\n@login_required<\/span>
\ndef<\/span> order_refund<\/span>(<\/span>order_id)<\/span>:<\/span>
\n order =<\/span> OrderInfo.<\/span>query.<\/span>filter_by(<\/span>
\n id<\/span>=<\/span>order_id,<\/span>
\n user_id=<\/span>current_user.<\/span>id<\/span>
\n )<\/span>.<\/span>first(<\/span>)<\/span><\/p>\n

if<\/span> not<\/span> order or<\/span> order.<\/span>status not<\/span> in<\/span> [<\/span>1<\/span>,<\/span> 2<\/span>]<\/span>:<\/span> # \u5f85\u53d1\u8d27\u6216\u5f85\u6536\u8d27\u624d\u80fd\u7533\u8bf7\u9000\u6b3e<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> '\u5f53\u524d\u72b6\u6001\u4e0d\u80fd\u7533\u8bf7\u9000\u6b3e'<\/span>}<\/span>)<\/span><\/p>\n

order.<\/span>status =<\/span> 5<\/span> # \u9000\u6b3e\u4e2d<\/span>
\n db.<\/span>session.<\/span>commit(<\/span>)<\/span><\/p>\n

return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 0<\/span>,<\/span> 'message'<\/span>:<\/span> '\u9000\u6b3e\u7533\u8bf7\u5df2\u63d0\u4ea4，\u7b49\u5f85\u5ba1\u6838'<\/span>}<\/span>)<\/span><\/p>\n

\n

\u56db\u3001\u540e\u53f0\u8ba2\u5355\u7ba1\u7406<\/h3>\n

\u7ba1\u7406\u5458\u90a3\u8fb9\u7684\u8ba2\u5355\u7ba1\u7406，\u4e3b\u8981\u662f\u53d1\u8d27\u548c\u9000\u6b3e\u5ba1\u6838\u3002<\/p>\n

\u53d1\u8d27（\u5f85\u53d1\u8d27 \u2192 \u5f85\u6536\u8d27）<\/h4>\n

@app.<\/span>route<\/span>(<\/span>'\/admin\/order\/ship\/<int:order_id>'<\/span>,<\/span> methods=<\/span>[<\/span>'POST'<\/span>]<\/span>)<\/span>
\n@admin_required<\/span>
\ndef<\/span> admin_order_ship<\/span>(<\/span>order_id)<\/span>:<\/span>
\n order =<\/span> OrderInfo.<\/span>query.<\/span>get_or_404(<\/span>order_id)<\/span><\/p>\n

if<\/span> order.<\/span>status !=<\/span> 1<\/span>:<\/span> # \u53ea\u6709\u5f85\u53d1\u8d27\u624d\u80fd\u53d1<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> '\u5f53\u524d\u72b6\u6001\u4e0d\u80fd\u53d1\u8d27'<\/span>}<\/span>)<\/span><\/p>\n

order.<\/span>status =<\/span> 2<\/span> # \u5f85\u6536\u8d27<\/span>
\n order.<\/span>ship_time =<\/span> datetime.<\/span>now(<\/span>)<\/span><\/p>\n

# \u5982\u679c\u6709\u5feb\u9012\u5355\u53f7，\u53ef\u4ee5\u4f20\u8fc7\u6765<\/span>
\n express_no =<\/span> request.<\/span>form.<\/span>get(<\/span>'express_no'<\/span>)<\/span>
\n if<\/span> express_no:<\/span>
\n order.<\/span>express_no =<\/span> express_no # \u8868\u7ed3\u6784\u91cc\u52a0\u4e0a\u8fd9\u4e2a\u5b57\u6bb5<\/span><\/p>\n

db.<\/span>session.<\/span>commit(<\/span>)<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 0<\/span>,<\/span> 'message'<\/span>:<\/span> '\u53d1\u8d27\u6210\u529f'<\/span>}<\/span>)<\/span><\/p>\n

\u9000\u6b3e\u5ba1\u6838（\u9000\u6b3e\u4e2d \u2192 \u5df2\u9000\u6b3e）<\/h4>\n

@app.<\/span>route<\/span>(<\/span>'\/admin\/order\/refund-approve\/<int:order_id>'<\/span>,<\/span> methods=<\/span>[<\/span>'POST'<\/span>]<\/span>)<\/span>
\n@admin_required<\/span>
\ndef<\/span> admin_order_refund_approve<\/span>(<\/span>order_id)<\/span>:<\/span>
\n order =<\/span> OrderInfo.<\/span>query.<\/span>get_or_404(<\/span>order_id)<\/span><\/p>\n

if<\/span> order.<\/span>status !=<\/span> 5<\/span>:<\/span> # \u53ea\u6709\u9000\u6b3e\u4e2d\u624d\u80fd\u5ba1\u6838<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> '\u5f53\u524d\u72b6\u6001\u4e0d\u80fd\u5ba1\u6838'<\/span>}<\/span>)<\/span><\/p>\n

try<\/span>:<\/span>
\n with<\/span> db.<\/span>session.<\/span>begin_nested(<\/span>)<\/span>:<\/span>
\n # 1. \u66f4\u65b0\u8ba2\u5355\u72b6\u6001<\/span>
\n order.<\/span>status =<\/span> 6<\/span> # \u5df2\u9000\u6b3e<\/span><\/p>\n

# 2. \u6062\u590d\u5e93\u5b58<\/span>
\n items =<\/span> OrderItem.<\/span>query.<\/span>filter_by(<\/span>order_id=<\/span>order.<\/span>id<\/span>)<\/span>.<\/span>all<\/span>(<\/span>)<\/span>
\n for<\/span> item in<\/span> items:<\/span>
\n Goods.<\/span>query.<\/span>filter_by(<\/span>id<\/span>=<\/span>item.<\/span>goods_id)<\/span>.<\/span>update(<\/span>{<\/span>
\n 'stock'<\/span>:<\/span> Goods.<\/span>stock +<\/span> item.<\/span>quantity
\n }<\/span>)<\/span><\/p>\n

# 3. \u771f\u5b9e\u9879\u76ee\u91cc\u8fd9\u91cc\u8fd8\u8981\u8c03\u652f\u4ed8\u63a5\u53e3\u9000\u6b3e<\/span>
\n # \u6bd5\u8bbe\u53ef\u4ee5\u7565\u8fc7，\u6216\u8005\u6a21\u62df\u4e00\u4e0b<\/span><\/p>\n

db.<\/span>session.<\/span>commit(<\/span>)<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 0<\/span>,<\/span> 'message'<\/span>:<\/span> '\u9000\u6b3e\u6210\u529f'<\/span>}<\/span>)<\/span>
\n except<\/span>:<\/span>
\n db.<\/span>session.<\/span>rollback(<\/span>)<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> '\u9000\u6b3e\u5931\u8d25'<\/span>}<\/span>)<\/span><\/p>\n

\n

\u4e94\u3001\u652f\u4ed8\u5bf9\u63a5（\u53ef\u9009\u52a0\u5206\u9879）<\/h3>\n

\u6bd5\u8bbe\u91cc\u652f\u4ed8\u53ef\u4ee5\u505a\u7b80\u5316\u7248\u2014\u2014\u6a21\u62df\u652f\u4ed8\u6210\u529f\u3002<\/p>\n

\u4f46\u5982\u679c\u60f3\u505a\u5f97\u771f\u5b9e\u4e00\u70b9，\u53ef\u4ee5\u63a5\u5165\u652f\u4ed8\u5b9d\u6c99\u7bb1\u73af\u5883，\u514d\u8d39\u7684，\u7b54\u8fa9\u6548\u679c\u597d\u3002<\/p>\n

\u7b80\u5316\u7248\u652f\u4ed8\u6d41\u7a0b：<\/p>\n

@app.<\/span>route<\/span>(<\/span>'\/order\/pay\/<int:order_id>'<\/span>)<\/span>
\n@login_required<\/span>
\ndef<\/span> order_pay<\/span>(<\/span>order_id)<\/span>:<\/span>
\n """\u6a21\u62df\u652f\u4ed8\u9875\u9762"""<\/span>
\n order =<\/span> OrderInfo.<\/span>query.<\/span>filter_by(<\/span>
\n id<\/span>=<\/span>order_id,<\/span>
\n user_id=<\/span>current_user.<\/span>id<\/span>
\n )<\/span>.<\/span>first_or_404(<\/span>)<\/span><\/p>\n

if<\/span> order.<\/span>status !=<\/span> 0<\/span>:<\/span>
\n flash(<\/span>'\u8ba2\u5355\u72b6\u6001\u5f02\u5e38'<\/span>,<\/span> 'error'<\/span>)<\/span>
\n return<\/span> redirect(<\/span>url_for(<\/span>'order_list'<\/span>)<\/span>)<\/span><\/p>\n

return<\/span> render_template(<\/span>'order\/pay.html'<\/span>,<\/span> order=<\/span>order)<\/span><\/p>\n

@app.<\/span>route<\/span>(<\/span>'\/order\/pay-success\/<int:order_id>'<\/span>,<\/span> methods=<\/span>[<\/span>'POST'<\/span>]<\/span>)<\/span>
\n@login_required<\/span>
\ndef<\/span> order_pay_success<\/span>(<\/span>order_id)<\/span>:<\/span>
\n """\u6a21\u62df\u652f\u4ed8\u6210\u529f\u56de\u8c03"""<\/span>
\n order =<\/span> OrderInfo.<\/span>query.<\/span>filter_by(<\/span>
\n id<\/span>=<\/span>order_id,<\/span>
\n user_id=<\/span>current_user.<\/span>id<\/span>
\n )<\/span>.<\/span>first(<\/span>)<\/span><\/p>\n

if<\/span> not<\/span> order or<\/span> order.<\/span>status !=<\/span> 0<\/span>:<\/span>
\n return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 1<\/span>,<\/span> 'message'<\/span>:<\/span> '\u8ba2\u5355\u72b6\u6001\u5f02\u5e38'<\/span>}<\/span>)<\/span><\/p>\n

order.<\/span>status =<\/span> 1<\/span> # \u5f85\u53d1\u8d27<\/span>
\n order.<\/span>pay_time =<\/span> datetime.<\/span>now(<\/span>)<\/span>
\n order.<\/span>pay_type =<\/span> 'alipay'<\/span> # \u6a21\u62df\u652f\u4ed8\u5b9d\u652f\u4ed8<\/span>
\n db.<\/span>session.<\/span>commit(<\/span>)<\/span><\/p>\n

return<\/span> jsonify(<\/span>{<\/span>'code'<\/span>:<\/span> 0<\/span>,<\/span> 'message'<\/span>:<\/span> '\u652f\u4ed8\u6210\u529f'<\/span>}<\/span>)<\/span><\/p>\n

\u771f\u5b9e\u63a5\u5165\u652f\u4ed8\u5b9d\u7684\u8bdd，\u7528 alipay-sdk-python \u8fd9\u4e2a\u5e93\u5c31\u884c，\u6d41\u7a0b\u662f：<\/p>\n

  • \u540e\u7aef\u751f\u6210\u652f\u4ed8\u94fe\u63a5（\u8c03\u7528 alipay.trade.page.pay）<\/li>\n
  • \u7528\u6237\u8df3\u8f6c\u5230\u652f\u4ed8\u5b9d\u9875\u9762\u4ed8\u6b3e<\/li>\n
  • \u652f\u4ed8\u5b9d\u5f02\u6b65\u56de\u8c03\u901a\u77e5\u652f\u4ed8\u7ed3\u679c<\/li>\n
  • \u540e\u7aef\u9a8c\u7b7e\u540e\u66f4\u65b0\u8ba2\u5355\u72b6\u6001<\/li>\n

    \u8fd9\u4e2a\u529f\u80fd\u505a\u4e86，\u6bd5\u8bbe\u76f4\u63a5\u4e0a\u4e00\u4e2a\u6863\u6b21\u3002<\/p>\n

    \n

    \u8ba2\u5355\u6a21\u5757，\u7b54\u8fa9\u5e38\u95ee\u8fd9\u51e0\u95ee<\/h3>\n

    1. \u600e\u4e48\u9632\u6b62\u8d85\u5356？<\/h4>\n

    \u7b54：\u4e09\u79cd\u624b\u6bb5\u914d\u5408：\u2460\u6570\u636e\u5e93\u4e8b\u52a1\u2014\u2014\u6263\u5e93\u5b58\u548c\u521b\u5efa\u8ba2\u5355\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u91cc；\u2461\u884c\u7ea7\u9501\u2014\u2014\u7528 SELECT … FOR UPDATE \u7ed9\u5546\u54c1\u884c\u52a0\u9501，\u9632\u6b62\u5e76\u53d1\u90fd\u8bfb\u5230\u540c\u4e00\u4e2a\u5e93\u5b58；\u2462\u4e50\u89c2\u9501\u2014\u2014\u66f4\u65b0\u5e93\u5b58\u65f6\u52a0 WHERE stock >= \u6570\u91cf \u7684\u6761\u4ef6，\u5f71\u54cd\u884c\u6570\u4e3a0\u5c31\u56de\u6eda\u3002\u4e09\u5c42\u4e00\u8d77\u7528，\u57fa\u672c\u4e0d\u4f1a\u8d85\u5356\u3002<\/p>\n

    2. \u8ba2\u5355\u660e\u7ec6\u8868\u4e3a\u4ec0\u4e48\u4e0d\u76f4\u63a5\u5173\u8054\u5546\u54c1\u8868？<\/h4>\n

    \u7b54：\u5173\u8054\u4e86，\u5b58\u4e86 goods_id\u3002\u4f46\u540c\u65f6\u5b58\u4e86\u5546\u54c1\u540d\u79f0\u3001\u56fe\u7247\u3001\u4ef7\u683c\u7684\u5feb\u7167\u3002\u56e0\u4e3a\u5546\u54c1\u4fe1\u606f\u4f1a\u53d8\u5316，\u5386\u53f2\u8ba2\u5355\u5fc5\u987b\u4fdd\u7559\u4e0b\u5355\u65f6\u7684\u539f\u59cb\u4fe1\u606f，\u4e0d\u80fd\u8ddf\u7740\u5546\u54c1\u8868\u7684\u53d8\u5316\u800c\u53d8\u5316\u3002\u6211\u6700\u5f00\u59cb\u8ba2\u5355\u660e\u7ec6\u53ea\u5b58\u4e86 goods_id，\u540e\u6765\u5546\u54c1\u6539\u4e86\u4e2a\u4ef7，\u5386\u53f2\u8ba2\u5355\u5168\u8ddf\u7740\u53d8\u4e86，\u5f53\u573a\u5c31\u61f5\u4e86，\u8fd9\u624d\u8865\u7684\u5feb\u7167\u5b57\u6bb5\u3002<\/p>\n

    3. \u8ba2\u5355\u53f7\u4e3a\u4ec0\u4e48\u4e0d\u7528\u81ea\u589eID？<\/h4>\n

    \u7b54：\u81ea\u589eID\u6709\u51e0\u4e2a\u95ee\u9898：\u66b4\u9732\u8ba2\u5355\u91cf（\u522b\u4eba\u80fd\u4ece\u8ba2\u5355\u53f7\u63a8\u7b97\u4f60\u4e00\u5929\u591a\u5c11\u5355）\u3001\u4e0d\u591f\u957f\u5bb9\u6613\u88ab\u731c\u5230\u3001\u4e0d\u5e26\u4e1a\u52a1\u4fe1\u606f\u3002\u81ea\u5b9a\u4e49\u8ba2\u5355\u53f7（\u65f6\u95f4\u6233+\u7528\u6237+\u968f\u673a\u6570）\u65e2\u552f\u4e00\u53c8\u5b89\u5168，\u8fd8\u80fd\u4ece\u8ba2\u5355\u53f7\u770b\u51fa\u65f6\u95f4\u4fe1\u606f\u3002<\/p>\n

    4. \u53d6\u6d88\u8ba2\u5355\u4e3a\u4ec0\u4e48\u8981\u6062\u590d\u5e93\u5b58？<\/h4>\n

    \u7b54：\u56e0\u4e3a\u4e0b\u5355\u7684\u65f6\u5019\u5df2\u7ecf\u6263\u4e86\u5e93\u5b58，\u5982\u679c\u53d6\u6d88\u4e86\u4e0d\u6062\u590d，\u5e93\u5b58\u5c31\u8d8a\u6765\u8d8a\u5c11，\u5546\u54c1\u4f1a\u83ab\u540d\u5176\u5999\u5730"\u5356\u5b8c"\u3002\u6ce8\u610f：\u53ea\u6709\u5f85\u652f\u4ed8\u72b6\u6001\u53d6\u6d88\u624d\u6062\u590d\u5e93\u5b58，\u5df2\u53d1\u8d27\u4e4b\u540e\u53d6\u6d88\u8d70\u9000\u6b3e\u6d41\u7a0b，\u9000\u6b3e\u7684\u65f6\u5019\u518d\u6062\u590d\u3002<\/p>\n

    5. \u4ec0\u4e48\u662f\u4e8b\u52a1？ACID\u662f\u4ec0\u4e48？<\/h4>\n

    \u7b54：\u4e8b\u52a1\u662f\u4e00\u7ec4\u6570\u636e\u5e93\u64cd\u4f5c，\u8981\u4e48\u5168\u90e8\u6210\u529f，\u8981\u4e48\u5168\u90e8\u5931\u8d25\u3002ACID\u662f\u4e8b\u52a1\u7684\u56db\u4e2a\u7279\u6027：A\u539f\u5b50\u6027（Atomicity，\u4e0d\u53ef\u5206\u5272）\u3001C\u4e00\u81f4\u6027（Consistency，\u6570\u636e\u4ece\u4e00\u4e2a\u4e00\u81f4\u72b6\u6001\u53d8\u5230\u53e6\u4e00\u4e2a\u4e00\u81f4\u72b6\u6001）\u3001I\u9694\u79bb\u6027（Isolation，\u591a\u4e2a\u4e8b\u52a1\u4e92\u4e0d\u5e72\u6270）\u3001D\u6301\u4e45\u6027（Durability，\u63d0\u4ea4\u540e\u6c38\u4e45\u751f\u6548）\u3002<\/p>\n

    \n

    \u8ba2\u5355\u6a21\u5757\u662f\u6574\u4e2a\u7535\u5546\u7cfb\u7edf\u7684\u6838\u5fc3，\u4e5f\u662f\u6bd5\u8bbe\u7b54\u8fa9\u8001\u5e08\u6700\u7231\u95ee\u7684\u5730\u65b9\u3002<\/p>\n

    \u8fd9\u51e0\u5757\u5728\u7b54\u8fa9PPT\u91cc\u5404\u5360\u4e00\u9875，\u8001\u5e08\u95ee\u5230\u54ea\u4e2a\u4f60\u90fd\u80fd\u5c55\u5f00\u4e24\u53e5，\u57fa\u672c\u5c31\u4e0d\u4f1a\u88ab\u95ee\u5012\u3002<\/p>\n

    \n

    \u6885\u96c5\u8fbe\u7f16\u7a0b\u7b14\u8bb0\u539f\u521b \u00b7 \u9996\u53d1 CSDN \u00b7 \u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u26a0\ufe0f \u514d\u8d23\u58f0\u660e：\u672c\u6587\u9879\u76ee\u4ec5\u4f9b\u6280\u672f\u5b66\u4e60\u53c2\u8003，\u4e25\u7981\u76f4\u63a5\u4f5c\u4e3a\u6bd5\u4e1a\u8bbe\u8ba1\u6216\u8bfe\u7a0b\u4f5c\u4e1a\u63d0\u4ea4\u3002\u8bf7\u7ed3\u5408\u81ea\u8eab\u9700\u6c42\u8fdb\u884c\u4e8c\u6b21\u5f00\u53d1\u4e0e\u521b\u65b0，\u5b66\u672f\u8bda\u4fe1\u4ece\u6211\u505a\u8d77 🙂 \u8d2d\u7269\u8f66\u51fa\u95ee\u9898\u9876\u591a\u662f\u6570\u91cf\u7b97\u9519，\u8ba2\u5355\u51fa\u95ee\u9898\u5c31\u662f\u94b1\u548c\u5e93\u5b58\u5bf9\u4e0d\u4e0a，\u771f\u4f1a\u51fa\u4e8b\u3002
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    \n\u4e2d\u95f4\u4efb<\/p>\n","protected":false},"author":2,"featured_media":119028,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[11820,13401,13538,13537,1520,5473],"topic":[],"class_list":["post-119029","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-atomgit","tag-myd","tag-13538","tag-13537","tag-1520","tag-5473"],"yoast_head":"\nFlask\u8ba2\u5355\u7cfb\u7edf\u5b8c\u6574\u5b9e\u73b0\uff5c\u4e8b\u52a1\u5904\u7406+\u72b6\u6001\u6d41\u8f6c+\u9632\u8d85\u5356\uff08\u9644\u6e90\u7801\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/119029.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Flask\u8ba2\u5355\u7cfb\u7edf\u5b8c\u6574\u5b9e\u73b0\uff5c\u4e8b\u52a1\u5904\u7406+\u72b6\u6001\u6d41\u8f6c+\u9632\u8d85\u5356\uff08\u9644\u6e90\u7801\uff09 - 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