IOS network data download and JSON parsing, and ios data json Parsing

IOS network data download and JSON parsing, and ios data json Parsing
Introduction to IOS network data download and JSON Parsing

In this article, I will introduce how to use NSURLConnection to download data from the network, parse the downloaded JSON data format, and display the asynchronous download and display of data and images.

Knowledge points involved:

1. NSURLConnection asynchronous download and Encapsulation

2. JSON format and JSON Format Parsing

3. data display and asynchronous image display using SDWebimage

Content

1. Introduction to basic network download knowledge

What is a network application?

Network Application Program Structure

Common network interface forms

Common Data Formats

General Interface Development Process

 

2. Use NSURLConnection

3. JSON format description and formatting Tool

4. Complete page implementation (including model creation and SDWebimage usage)