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In common business development, POST requests are often used in these places: when front-end forms are submitted, when interface code is invoked, and when the Postman test interface is used.Let's take a look: 1. When a front-end form is submitted application/x-www-form-urlencoded Form code: <form action="http:// ...

First, upload the code. The encapsulation tool class of the uploaded file is as follows: import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; im ...

When using the OkHttp network framework to make network requests, we will find that there will be several additional parameters in the request header sent to the background than we added ourselves. Check the source code and you will find private Response getResponseWithInterceptorChain() throws IOException { // Build a fu ...

Reptile thinking The first step is to get the data we need Tencent, Netease, clove doctor and other platforms have real-time data of the epidemic. After crawling the data of each platform, it is found that the data returned by Dr. lilac is static. If you want to crawl in Tencent and Netease, you nee ...

Management dao layer of mybatis framework spring mainly manages the service layer Spring MVC manages the cortroller layer 1. guide pack 2. Write web.xml. When Tomcat starts, load the web.xml file and put its contents into the spring container (webApplicationContext, which is the sub interface of applica ...

Article directory Introduction 1. Base64 encryption 2. DES encryption 3. AES encryption 4. RSA encryption 5. MD5 encryption Introduction In the project, Base64, DES, AES, RSA, MD5 encryption and decryption methods are often used. Every time, they need to search online for half a day. Today, they ...

gSOAP is used to implement a simple server and proxy for four operations. Table of Contents Header file Write the header file calc.h Generate header file calc.h How to use wsdl2h Generate server and client (agent) programs How to use soapcpp2 Complete makefile Client & server code Serve ...

This article mainly introduces the relevant materials about the visual analysis of the pull hook data of Python 3. The example code is introduced in detail in this article, which has certain reference value for you to learn or use Python 3. The friends who need to learn it will come to learn together Pr ...

Encapsulation of multiple layouts, primarily addressed during developmentData Binding Interface, View Layout Return Interface, Data Binding: Provides a tag attribute in the holder class. Initializing the holder identifies the viewtype returned by the view layout so that switch(holder.gettag()) can de ...

1. introduction HyperText Transfer Protocol (HTTP) is a standard (TCP) for client (user) and server (website) requests and responses. It is an application layer protocol based on TCP/IP protocol. Request response mode Stateless protocol Do not save the communication state between the request and the ...