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Webman: A developer's perfect companion

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2023-08-13 14:25:431647browse

Webman: A developers perfect companion

Webman: A developer’s perfect partner

With the development of the Internet, Web development has become a very important field. In this field, developers need to master a variety of technologies and tools to build efficient and reliable web applications. As a developer's perfect partner, Webman provides many useful features and tools that greatly simplify the development process and improve efficiency.

Webman is a Web development framework based on the Python language. It combines many commonly used tools and libraries to provide developers with a one-stop development environment. Whether building a small personal website or developing a large enterprise application, Webman can meet the needs of developers.

The following will introduce several important features and sample codes of Webman:

  1. Routing control

Webman provides flexible routing control functions that can be easily Define the mapping relationship between URLs and processing functions. The following is a simple example: 

from webman import route, run

@route('/')
def index():
    return 'Hello, World!'

run()

Through the above code, we define a root URL. When the user accesses the root URL, the index function will be called and return "Hello, World! "String.

  1. Template engine

Webman has a built-in powerful template engine to help developers insert dynamic data into front-end pages. The following is an example of using a template engine: 

from webman import route, run, render_template

@route('/')
def index():
    name = 'John'
    return render_template('index.html', name=name)

run()

In the above code, the render_template function will render the index.html template and pass a file named variable of name. In the template, you can use double curly brace syntax to insert the value of the variable: 

<!DOCTYPE html>
<html>
<head>
    <title>欢迎页面</title>
</head>
<body>
    <h1>欢迎，{{ name }}!</h1>
</body>
</html>

When the user accesses the root URL, a welcome page will be displayed with the text "Welcome, John!"

  1. Database access

Webman supports a variety of databases and provides a simple interface to manipulate data. The following is an example of using a MySQL database: 

from webman import route, run, db

@route('/users')
def get_users():
    conn = db.connect(host='localhost', user='root', password='password', database='mydb')
    cursor = conn.cursor()
    cursor.execute('SELECT * FROM users')
    result = cursor.fetchall()
    conn.close()
    return str(result)

run()

In the above code, we connect to the MySQL database through the db.connect function, execute a query and return the results. Developers can use different databases according to their own needs, such as SQLite, PostgreSQL, etc.

Webman also provides many other functions, such as file upload, session management, form validation, etc., which can help developers build Web applications more easily.

In short, Webman is a powerful and easy-to-use Web development framework that provides developers with rich functions and tools, greatly simplifying the development process and improving development efficiency. Both beginners and experienced developers can benefit from it. If you are a Web developer, you might as well try Webman, it will become your indispensable development partner.

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Python mysql html 表单验证 字符串 接口 sqlite postgresql 数据库
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