新建templates/404.html
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Title</title>
</head>
<body>
<img src="../static/a123.png" alt="" width="873" height="626"></body>
</html>
位置不要放错了 还是在templates同级别添加static目录 放入错误图片a123.png
当提交错误的代码的时候会返回错误页面
from flask import Flask, abort, make_response, request, render_templateapp = Flask(__name__)# 重定向到百度
@app.route('/index', methods=["GET", "POST"])
def index():if request.method == "GET":return render_template("index.html")if request.method == "POST":name = request.form.get('name')password = request.form.get('password')if name == 'zhangsan' and password == '123':return '登录成功'else:abort(404)@app.errorhandler(404)
def handle_404_error(err):return render_template("404.html")if __name__ == '__main__':app.run(debug=True)
非常的时尚。