Java import Excel tool class tutorial
Preface:
This tool class provides the excel import function. Through the reflection mechanism, the data in excel is mapped to the entity class to obtain Excel data. The tool class depends on the org.apache.poi package. It supports RESTful API and Spring MVC.
I. supporting functions of this tool class:
Support File type impo ...
Posted by Forever_xxl on Mon, 02 Dec 2019 19:10:28 -0800
Direction resolution of django template: generate link address based on url
Environment the same django article.
web services running django:
cd py3/django-test1/test4
python manage.py runserver 192.168.255.70:8000
First, use a tag hyperlink in html to automatically match the url route of the application, and then display the specified html page:
Edit view function:
vim bookshop/views.py
from django.shortcuts imp ...
Posted by Hoppus on Mon, 02 Dec 2019 08:15:47 -0800
Spring @CrossOrigin annotation principle
In real development, we inevitably encounter cross domain problems. In the past, I only knew about the solution of jsonp. Later, I heard that spring can solve cross domain problems only by joining @ CrossOrigin. In the spirit of curiosity, I read the working principle of @ CrossOrigin and wrote this blog.
Let's start with the principle: a ...
Posted by siri_suresh on Mon, 02 Dec 2019 04:40:03 -0800
Summary of JavaScript basic video tutorial (Chapter 081-090)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>081-090 Chapter summary</title>
</head>
<body>
<pre>
081. Date object
//Using Date object to represent a time in JS
</pre>
<script type="text/javascript">
console.log("--081--");
//If you use the ...
Posted by wrathican on Mon, 02 Dec 2019 01:53:19 -0800
One article explains 10 minute quick start Python 3
Python was designed by Guido van Rossum in the early 1990s. It is one of the most commonly used programming languages today. Its syntax is simple and elegant, almost executable pseudo code.
I don't understand in learning Python and recommend to join the communication group
No.: 864573496
There are like-minded partners in the group ...
Posted by Dragoa on Mon, 02 Dec 2019 01:44:34 -0800
Summary of JavaScript basic video tutorial (Chapter 051-060)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>051-060 Chapter summary</title>
</head>
<body>
<pre>
051. Function introduction
- Function is also an object
- Functions can encapsulate some functions (codes) and execute them when necessary
- Function can save some ...
Posted by kentopolis on Mon, 02 Dec 2019 01:35:12 -0800
Introduction to IOC annotation development of Spring 1
The basic knowledge points are as follows:
Introduce annotation constraints and configure component scanning
Annotation on class: @ response @ Controller @Service @Repository
Annotation @ value of common attribute
Annotation @ Resource @ Autowired @ Qualifier for object properties
Bean life cycle, initialization and destruction: @ PostConstruc ...
Posted by sanand158 on Sun, 01 Dec 2019 20:13:59 -0800
jQuery----jquery to implement Tab key switch
Using Jquery to switch the tab key, the code is simple and easy to understand, and the implementation logic is clear. The specific summary is as follows:
Demand analysis:
When the mouse enters the tab switch module, the upper border of the current module of the mouse changes to red, and the corresponding product name is displayed. After the m ...
Posted by mckooter on Sun, 01 Dec 2019 16:11:46 -0800
python object oriented (reflection)
1. isinstance, type, issubclass
isinstance: judge whether the object you give is of type xx
Type: returns the data type of xxx object
issubclass: a subclass to determine whether the xxx class is xxx
class Animal:
def eat(self):
print("Just woke up to eat something")
class Cat(Animal):
def play(self):
print("Cats lik ...
Posted by Yeti on Sun, 01 Dec 2019 13:53:54 -0800
Several possible solutions for font penetration and darkening in Duilib
Abnormal, font penetrating, bright and dark
Normal phenomenonRecently, when using the Duilib lightweight UI library as the interface, there are some problems with fonts. I did the operation after laying a layer of mask. Here are several possible situations
I. wrong property setting
For example, the SetShortcut property of t ...
Posted by shivangp on Sun, 01 Dec 2019 12:12:12 -0800