IOS之Swift5.x和OC網絡請求JSON

// // ViewController.m // 基于OC網絡解析JSON // // Created by 魯軍 on 2021/3/11. //#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {[super viewDidLoad];NSURL *url = [NSURL URLWithString:@"http://localhost:8080/news"];[[[NSURLSession sharedSession] dataTaskWithURL:url completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {//反序列化id result = [NSJSONSerialization JSONObjectWithData:data options:0 error:NULL];NSLog(@"%@",result);}] resume];}@end // // ViewController.swift // 基于Swift的網絡Json // // Created by 魯軍 on 2021/3/11. //import UIKitclass ViewController: UIViewController {override func viewDidLoad() {super.viewDidLoad()self.demoRequestJson()}func demoRequestJson(){guard let url = URL(string: "http://localhost:8080/news") else {return}let urlRequest = URLRequest(url: url)let config = URLSessionConfiguration.defaultconfig.httpAdditionalHeaders = ["Content-Type":"application/json"]config.timeoutIntervalForRequest = 30config.requestCachePolicy = .reloadIgnoringCacheDatalet session = URLSession(configuration: config)session.dataTask(with: urlRequest){(data,_,_) inif let resultData = data{do{let jsonObject = try JSONSerialization.jsonObject(with: resultData, options: [.mutableContainers,.mutableLeaves])print(jsonObject)}catch{print("error")}}}.resume()}func demo1() -> () {}func httpRequest(request_url:String) -> Void {guard let url = URL(string: request_url) else {return}let urlRequest = URLRequest(url: url)let config = URLSessionConfiguration.defaultconfig.httpAdditionalHeaders = ["Content-Type":"application/json"]config.timeoutIntervalForRequest = 30config.requestCachePolicy = .reloadIgnoringLocalCacheDatalet session = URLSession(configuration: config)session.dataTask(with: urlRequest){(data,_,_) inif let resultData = data{do {let jsonObject = try JSONSerialization.jsonObject(with: resultData, options:[.mutableContainers,.mutableLeaves])print(jsonObject)}catch{print("error")}}}.resume()}}

springBoot做的后臺JSON

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