我想在我的网站上有一个页面,你有多个按钮,发送一个不同的POST请求来修改我数据库的某些部分。在
目前,只执行top if语句。如果我试试下面两个,我获取:浏览器(或代理)发送了此服务器无法理解的请求。在
如果我切换它们,执行的总是top If语句。在
我做错了吗?有没有更好的方法来做这种事?在
@app.route('/', methods=["GET", "POST"])
@login_required
def homepage():
if request.method == "POST" and request.form['estimatedCost']:
_projectName = request.form['projectName']
_estimatedCost = request.form['estimatedCost']
_amountAllocated = request.form['amountAllocated']
conn, cursor = connectDB()
cursor.execute("INSERT INTO `project` (`name`, `estimatedCost`, `amountAllocated`, `pStatus`, `actualCost`, `estimatedDuration`, `actualDuration`, `costDifference`) VALUES ( '" + _projectName + "', '" + _estimatedCost + "', '" + _amountAllocated + "', 'NOT STARTED', 0, 0, 0, NULL)")
conn.commit()
conn.close()
return redirect('/')
if request.method == "POST" and request.form['delete']:
_delete = request.form['delete']
conn, cursor = connectDB()
cursor.execute("DELETE FROM project WHERE name = '" + _delete + "'")
conn.commit()
conn.close()
return redirect('/')
if request.method == "POST" and request.form['pid']:
_pid = request.form['pid']
_status = request.form['status']
conn, cursor = connectDB()
cursor.execute("UPDATE project SET pStatus = '" + _status + "' WHERE name = '" + _pid + "'")
conn.commit()
conn.close()
return redirect('/')
conn, cursor = connectDB()
cursor.execute("SELECT * FROM project")
projects = cursor.fetchall()
conn.close()
return render_template("dashboard.html", projectDic = projects)
我设法找到了解决问题的办法。在
因为
request.form['key']
在不存在的情况下导致了一个错误,而不是变成了False,它使页面崩溃。在相反,我使用
"key" in request.form
检查表单中是否填写了该输入。在以下是正确的代码:
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