flask--2

xiaoxiao2022-07-13 142

#1 start.py

from models import * from modules.web.index import index_blue app.register_blueprint(index_blue) #钩子函数，获取分类信息 @app.before_request def g_cates_data(): cates = Cate.query.all() g.cates = cates if __name__ == '__main__': # db.drop_all() # db.create_all() app.run(port=9996)

##2 apps.py

from flask import Flask, Blueprint, render_template, request, flash, redirect, url_for, session, make_response, g, current_app, jsonify from flask_sqlalchemy import SQLAlchemy from sqlalchemy import and_ import sys, os from flask_uploads import UploadSet, IMAGES, configure_uploads app = Flask(__name__) app.config.from_object('setting') enter = getattr(sys.modules['__main__'], '__file__') root_path = os.path.dirname(enter)+'/static/upload' app.config['UPLOADED_XINS_DEST'] = root_path app.config['UPLOADED_XINS_ALLOW'] = IMAGES xins = UploadSet('XINS') configure_uploads(app, xins) db = SQLAlchemy(app=app)

##3 models.py

from apps import * # 商品分类表 class Cate(db.Model): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(30)) # 商品表 class Goods(db.Model): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(30)) pic = db.Column(db.String(100), default='default.jpg') content = db.Column(db.Text) cate_id = db.Column(db.Integer, db.ForeignKey(Cate.id))

modules/web

from models import * index_blue = Blueprint('index', __name__) @index_blue.route('/') def index(): # 最简单的，获取所有数据 # goodss = Goods.query.all() # return render_template('web/index.html', goodss=goodss) # 分页 # page = int(request.args.get('page', 1)) # goodss = Goods.query.paginate(page, 2) # goodss.items 商品数据 # goodss.pages 总页数 # goods.page 当前页 # return render_template('web/index.html', goodss=goodss) # 搜索 kw = request.args.get('kw', '') goodss = Goods.query.filter(Goods.name.like('%'+kw+'%')).all() return render_template('web/index.html', goodss=goodss, kw=kw) # 添加分类 @index_blue.route('/add_cates') def add_cates(): one_cate1 = Cate(name='男装') one_cate2 = Cate(name='女装') db.session.add_all([one_cate1, one_cate2]) return '添加分类成功！' # 添加商品 @index_blue.route('/add_goods', methods=['GET', 'POST']) def add_goods(): if request.method == 'POST': name = request.form.get('name') cate_id = request.form.get('cate_id') content = request.form.get('content') pic = request.files.get('pic') # 注意接收图片的方式不同了 pic_url = xins.save(pic) # 保存图片 new_goods = Goods(name=name, pic=pic_url, content=content, cate_id=cate_id) db.session.add(new_goods) return redirect(url_for('index.index')) return render_template('web/add_goods.html') # 详情页面 @index_blue.route('/goods_detail') def goods_detail(): goods_id = request.args.get('goods_id') # 接收商品id one_goods = Goods.query.get(goods_id) # 查到商品记录 return render_template('web/goods_detail.html', one_goods=one_goods) # 分类下商品 @index_blue.route('/goods_list') def goods_list(): cate_id = request.args.get('cate_id') goodss = Goods.query.filter(Goods.cate_id == cate_id).all() return render_template('web/goods_list.html', goodss=goodss)

templates/web

add_goods

add_goods.html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>添加商品</title> <script src="../../static/web/tinymce/js/tinymce/tinymce.min.js"></script> <script src="../../static/web/js/tinymce_setup.js"></script> </head> <body> <form action="" method="post" enctype="multipart/form-data">  商品分类： <select name="cate_id"> {% for cate in g.cates %} <option value="{{ cate.id }}">{{ cate.name }}</option> {% endfor %} </select><br> 商品名称：<input type="text" name="name" value=""> <br> 商品图片：<input type="file" name="pic"> <br>  商品内容：<input type="text" name="content" id="rich_content"> <input type="submit" value="添加商品"> </form> </body> </html>

goods_detail.html

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>商品详情页</title> </head> <body> 商品标题：{{ one_goods.name }}<br> 商品图片：<img src="../../static/upload/{{ one_goods.pic }}" /> <br> 商品内容：{{ one_goods.content | safe }} </body> </html>

goods_list

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>商品列表</title> </head> <body> {% for goods in goodss %} {{ goods.id }}、<a href="{{ url_for('index.goods_detail', goods_id=goods.id) }}">{{ goods.name }}</a> <br> {% endfor %} </body> </html>

index

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>首页</title> </head> <body> <form action="">  <input type="text" value="{{ kw }}" name="kw"> <input type="submit" value="搜索"> </form> {% for goods in goodss %} {{ goods.id }}、 <a href="{{ url_for('index.goods_detail', goods_id=goods.id) }}">{{ goods.name }}</a> <img width="60" src="../../static/upload/{{ goods.pic }}"> {% endfor %}<br> {# {% for goods in goodss.items %}#} {# {{ goods.id }}、#} {# <a href="{{ url_for('index.goods_detail', goods_id=goods.id) }}">{{ goods.name }}</a>#} {# <img width="60" src="../../static/upload/{{ goods.pic }}">#} {# {% endfor %}<br>#} {# <a href="{{ url_for('index.index', page=1) }}">1</a>#} {# <a href="{{ url_for('index.index', page=2) }}">2</a>#} {# {% for page in range(1, goodss.pages+1) %}#} {# <a href="{{ url_for('index.index', page=page) }}">{{ page }}</a>#} {# {% endfor %}#} {# <form action=""> #} {# <input type="text" value="" name="page">#} {# <input type="submit" value="跳转">#} {# </form>#} </body> </html>

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