一百三十五：CMS系统之UEditoe编辑器集成以及配置将图片上传到七牛

Posted 2020-11-23 zhongyehai

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富文本编辑框，选择UEditor

下载地址：http://ueditor.baidu.com/website/download.html

使用说明：http://fex.baidu.com/ueditor/

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使用

下载下来过后，将指定的几个文件和文件夹拷贝到项目static下

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="{{ url_for(‘static‘, filename=‘ueditor/ueditor.config.js‘) }}"></script>
    <script src="{{ url_for(‘static‘, filename=‘ueditor/ueditor.all.min.js‘) }}"></script>
</head>
<body>
<script id="editor" type="text/plain"></script>
<script>
    var ue = UE.getEditor(‘editor‘)
</script>
</body>
</html>

视图

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from flask import Flask, render_template

app = Flask(__name__)


@app.route(‘/‘)
def hello_world():
    return render_template(‘index.html‘)


if __name__ == ‘__main__‘:
    app.run()

运行

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由于没有python版本，所以很多功能用不了

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解决方案，写一个集成的包

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# encoding: utf-8

from flask import (
    Blueprint,
    request,
    jsonify,
    url_for,
    send_from_directory,
    current_app as app
)
import json
import re
import string
import time
import hashlib
import random
import base64
import sys
import os
from urllib import parse

# 更改工作目录。这么做的目的是七牛qiniu的sdk
# 在设置缓存路径的时候默认会设置到C:/Windows/System32下面
# 会造成没有权限创建。
os.chdir(os.path.dirname(__file__))
try:
    import qiniu
except:
    pass
from io import BytesIO

bp = Blueprint(‘ueditor‘, __name__, url_prefix=‘/ueditor‘)

UEDITOR_UPLOAD_PATH = ""
UEDITOR_UPLOAD_TO_QINIU = False
UEDITOR_QINIU_ACCESS_KEY = ""
UEDITOR_QINIU_SECRET_KEY = ""
UEDITOR_QINIU_BUCKET_NAME = ""
UEDITOR_QINIU_DOMAIN = ""


@bp.before_app_first_request
def before_first_request():
    global UEDITOR_UPLOAD_PATH
    global UEDITOR_UPLOAD_TO_QINIU
    global UEDITOR_QINIU_ACCESS_KEY
    global UEDITOR_QINIU_SECRET_KEY
    global UEDITOR_QINIU_BUCKET_NAME
    global UEDITOR_QINIU_DOMAIN
    UEDITOR_UPLOAD_PATH = app.config.get(‘UEDITOR_UPLOAD_PATH‘)
    if UEDITOR_UPLOAD_PATH and not os.path.exists(UEDITOR_UPLOAD_PATH):
        os.mkdir(UEDITOR_UPLOAD_PATH)

    UEDITOR_UPLOAD_TO_QINIU = app.config.get("UEDITOR_UPLOAD_TO_QINIU")
    if UEDITOR_UPLOAD_TO_QINIU:
        try:
            UEDITOR_QINIU_ACCESS_KEY = app.config["UEDITOR_QINIU_ACCESS_KEY"]
            UEDITOR_QINIU_SECRET_KEY = app.config["UEDITOR_QINIU_SECRET_KEY"]
            UEDITOR_QINIU_BUCKET_NAME = app.config["UEDITOR_QINIU_BUCKET_NAME"]
            UEDITOR_QINIU_DOMAIN = app.config["UEDITOR_QINIU_DOMAIN"]
        except Exception as e:
            option = e.args[0]
            raise RuntimeError(‘请在app.config中配置%s！‘ % option)

    csrf = app.extensions.get(‘csrf‘)
    if csrf:
        csrf.exempt(upload)


def _random_filename(rawfilename):
    letters = string.ascii_letters
    random_filename = str(time.time()) + "".join(random.sample(letters, 5))
    filename = hashlib.md5(random_filename.encode(‘utf-8‘)).hexdigest()
    subffix = os.path.splitext(rawfilename)[-1]
    return filename + subffix


@bp.route(‘/upload/‘, methods=[‘GET‘, ‘POST‘])
def upload():
    action = request.args.get(‘action‘)
    result = {}
    if action == ‘config‘:
        config_path = os.path.join(bp.static_folder or app.static_folder, ‘ueditor‘, ‘config.json‘)
        with open(config_path, ‘r‘, encoding=‘utf-8‘) as fp:
            result = json.loads(re.sub(r‘/*.**/‘, ‘‘, fp.read()))

    elif action in [‘uploadimage‘, ‘uploadvideo‘, ‘uploadfile‘]:
        image = request.files.get("upfile")
        filename = image.filename
        save_filename = _random_filename(filename)
        result = {
            ‘state‘: ‘‘,
            ‘url‘: ‘‘,
            ‘title‘: ‘‘,
            ‘original‘: ‘‘
        }
        if UEDITOR_UPLOAD_TO_QINIU:
            if not sys.modules.get(‘qiniu‘):
                raise RuntimeError(‘没有导入qiniu模块！‘)
            q = qiniu.Auth(UEDITOR_QINIU_ACCESS_KEY, UEDITOR_QINIU_SECRET_KEY)
            token = q.upload_token(UEDITOR_QINIU_BUCKET_NAME)
            buffer = BytesIO()
            image.save(buffer)
            buffer.seek(0)
            ret, info = qiniu.put_data(token, save_filename, buffer.read())
            if info.ok:
                result[‘state‘] = "SUCCESS"
                result[‘url‘] = parse.urljoin(UEDITOR_QINIU_DOMAIN, ret[‘key‘])
                result[‘title‘] = ret[‘key‘]
                result[‘original‘] = ret[‘key‘]
        else:
            image.save(os.path.join(UEDITOR_UPLOAD_PATH, save_filename))
            result[‘state‘] = "SUCCESS"
            result[‘url‘] = url_for(‘ueditor.files‘, filename=save_filename)
            result[‘title‘] = save_filename,
            result[‘original‘] = image.filename

    elif action == ‘uploadscrawl‘:
        base64data = request.form.get("upfile")
        img = base64.b64decode(base64data)
        filename = _random_filename(‘xx.png‘)
        filepath = os.path.join(UEDITOR_UPLOAD_PATH, filename)
        with open(filepath, ‘wb‘) as fp:
            fp.write(img)
        result = {
            "state": "SUCCESS",
            "url": url_for(‘files‘, filename=filename),
            "title": filename,
            "original": filename
        }
    return jsonify(result)


@bp.route(‘/files/<filename>/‘)
def files(filename):
    return send_from_directory(UEDITOR_UPLOAD_PATH, filename)