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| #import "ViewController.h" #import "MBProgressHUD+MJ.h"
@interface ViewController () @end
@implementation ViewController
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event { //1-URL NSURL *url=[NSURL URLWithString:@"http://localhost:8080/MJServer/order"]; //2-请求 NSMutableURLRequest *request=[NSMutableURLRequest requestWithURL:url]; //3-请求方法 request.HTTPMethod=@"POST"; //4-设置请求体(请求参数) NSDictionary *orderInfo=@{ @"shop_id":@"123456", @"shop_name":@"书本", @"user_id":@"9527" }; NSData *json=[NSJSONSerialization dataWithJSONObject:orderInfo options:NSJSONWritingPrettyPrinted error:nil]; request.HTTPBody=json; //5-设置请求头:这次请求的数据不再是普通的参数,而是一个JSON数据 [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"]; //5-发送请求 [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse * _Nullable response, NSData * _Nullable data, NSError * _Nullable connectionError) { if (data==nil||connectionError) return; NSDictionary *dict=[NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:nil]; NSString *error=dict[@"error"]; NSString *success=dict[@"success"]; if (error) { [MBProgressHUD showError:error]; }else{ [MBProgressHUD showSuccess:success]; } }]; } @end
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