DTAiLab/bussiness/b_researchtopic.py

from flask import flash, render_template, session, request, redirect, url_for, jsonify
from admin.researcharea import *
from admin.researchtopic import *
from flask import current_app as app
from werkzeug.utils import secure_filename
import os
from  hashlib import md5
from pathlib import Path
from datetime import datetime
from admin.dboper import *

# 设置允许的文件格式
ALLOWED_EXTENSIONS = set(['png', 'jpg', 'JPG', 'PNG', 'bmp'])

#判断文件格式
def allowed_file (filename):
    return '.' in filename and filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS


@app.route('/researchtopicmanage')
def researchtopicmanage():
        results = loadAllResearchTopic_ForMang()
        return render_template('admin/a_researchtopic_manage.html', results= results)

#新加项目
@app.route('/newresearchtopic')
def newresearchtopic():
    if 'username' in session:
        researcharea = loadAllResearchArea()
        return render_template('admin/a_researchtopic_edit.html', researcharea = researcharea, status="add")
    else:
        flash('登录失败, 请重新登录')
        return redirect(url_for('adminlogin'))


#修改项目
@app.route('/loadresearchtopicforedit/<RTID>', methods = ['POST','GET'])
def editproject(RTID):
    if 'username' in session:
        researchtopic = loadResearchTopicByID(RTID)
        researcharea = loadAllResearchArea()
        return render_template('admin/a_researchtopic_edit.html', researcharea = researcharea, researchtopic = researchtopic, status='edit')
    else:
        flash('登录失败, 请重新登录')
        return redirect(url_for('adminlogin'))

# 新加和修改
@app.route('/editresearchtopic.do', methods = ['POST'])
def addresearchtopic_do():
    if request.method == 'POST':
        RAID = request.form.get('txt_RAID')
        RTNameCN = request.form['txt_RTNameCN'].strip()
        RTNameEN = request.form['txt_RTNameEN'].strip()
        RTAbstractCN = cleanText(request.form['txt_RTAbstractCN'].strip())
        RTAbstractEN = cleanText(request.form['txt_RTAbstractEN'].strip())
        RTImage = request.form['txt_RTImage'].strip()
        RTContent = request.form['txt_RTContent'].strip()
        RTOrder = request.form['txt_RTOrder'].strip()
        RTStatus = request.form['txt_RTStatus'].strip()
        status = request.form['lbl_status'].strip()


        f = request.files['file_proimg']
        proimg=""
        if (f != None and f.filename !=""):
            proimg = uploadimage(f)
        if proimg=="":
            proimg = RTImage
        data=[RAID, RTNameCN, RTNameEN, RTAbstractCN, RTAbstractEN, proimg, RTContent, RTOrder, RTStatus]
        if (status == 'add'):
            i, msg  = add_ResearchTopic(data)
            if i > 0:
                flash('研究课题添加成功!')
            else:
                flash('研究课题添加失败!%s' % str(msg))
        else:
            RTID = request.form['lbl_RTID']
            #print("项目序号", lbl_RTID)
            data = [RAID, RTNameCN, RTNameEN, RTAbstractCN, RTAbstractEN, proimg, RTContent, RTOrder, RTStatus, RTID]
            i, msg  = update_ResearchTopic(data)
            if i >0:
                flash('研究课题修改成功!')
            else:
                flash('研究课题修改失败!%s' % str(msg))
    return redirect(url_for('researchtopicmanage'))


def uploadimage(f):
    #f = request.files['file_proimg']

    if not (f and allowed_file(f.filename)):
        return "False" #jsonify({"error": 1001, "msg": """请检查上传的图片类型，仅限于png、PNG、jpg、JPG、bmp"})

    digest = md5(f.filename.encode("utf-8")).hexdigest()
    suffix = Path(f.filename).suffix
    images_name = datetime.now().strftime('%Y%m%d%H%M%S') + f'{digest}{suffix}'
    file_path = os.path.join(app.config['UPLOAD_FOLDER_IMG_ReTopic'], images_name)
    f.save(file_path)
    return  file_path #"Success" #jsonify(file_path)

@app.route('/delresearchtopic/<RTID>', methods = ['POST'])
def delresearchtopic(RTID):
    #print("删除项目信息:", RTID)
    i, msg  = del_ResearchTopic(RTID)
    if i > 0:
        flash('研究课题删除成功!')
    else:
        flash('研究课题删除失败!%s' % str(msg))
    return redirect(url_for('researchtopicmanage'))

#查看项目信息
@app.route('/viewresearchtopic/<RTID>')
def viewproject(RTID):
    if 'username' in session:
        researchtopic = loadResearchTopicByID_ForView(RTID)
        return render_template('admin/a_researchtopic_view.html', researchtopic=researchtopic)
    else:
        flash('登录失败, 请重新登录')
        return redirect(url_for('adminlogin'))