AFN同步异步请求

墨蓝 2022-09-25 01:20 305阅读 0赞

异步请求：

[objc] view plain copy

在CODE上查看代码片 派生到我的代码片

  1. -(BOOL)getOnlyKey1
  2. {
  3. NSString *myUUIDStr = [[[UIDevice currentDevice] identifierForVendor] UUIDString];
  5. __block bool isTrue = false;
  7. AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
  8. manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@”text/plain”];
  9. NSString *urlstr = [NSString stringWithFormat:@”http://122.225.89.70:28080/try/check"\];
  10. NSURL *url = [NSURL URLWithString:urlstr];
  11. NSDictionary *dic = @{ @”imei”:myUUIDStr,@”av”:AppVersion};
  12. [manager POST:urlstr parameters:dic success:^(AFHTTPRequestOperation *operation, id responseObject) {
  13. MyLog(@”%@”, operation.responseString);
  14. NSRange range = [operation.responseString rangeOfString:@”\“msg\“:\“0\“”];
  15. if (range.location != NSNotFound) {
  16. isTrue = true;
  17. }
  18. if (!isTrue) {
  19. SHOWALERT(@”错误”, @”您需要联系开发人员”);
  20. }
  22. } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
  23. MyLog(@”返回失败结果：%@”, error.localizedFailureReason);
  24. SHOWALERT(@”错误”, @”请求开发人员服务器失败”);
  25. isTrue = true;
  26. }];
  27. return isTrue;
  28. }

同步请求：

[objc] view plain copy

在CODE上查看代码片 派生到我的代码片

  1. -(BOOL)getOnlyKey2
  2. {
  3. NSString *myUUIDStr = [[[UIDevice currentDevice] identifierForVendor] UUIDString];
  4. BOOL isTrue = false;
  5. NSString *urlstr = [NSString stringWithFormat:@”http://122.225.89.70:28080/try/check"\];
  6. NSURL *url = [NSURL URLWithString:urlstr];
  7. NSMutableURLRequest *urlrequest = [[NSMutableURLRequest alloc]initWithURL:url];
  8. urlrequest.HTTPMethod = @”POST”;
  9. NSString *bodyStr = [NSString stringWithFormat:@”imei=%@&av=%@”,myUUIDStr, AppVersion];
  10. NSData *body = [bodyStr dataUsingEncoding:NSUTF8StringEncoding];
  11. urlrequest.HTTPBody = body;
  12. AFHTTPRequestOperation *requestOperation = [[AFHTTPRequestOperation alloc] initWithRequest:urlrequest];
  13. requestOperation.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@”text/plain”];
  14. [requestOperation start];
  15. [requestOperation waitUntilFinished];
  16. MyLog(@”%@”,requestOperation.responseString);
  17. NSRange range = [requestOperation.responseString rangeOfString:@”\“msg\“:\“0\“”];
  18. if (range.location != NSNotFound) {
  19. isTrue = true;
  20. }
  21. if (!isTrue) {
  22. SHOWALERT(@”错误”, @”您需要联系开发人员”);
  23. }
  24. return isTrue;
  25. }

原生态的同步请求：

[objc] view plain copy

在CODE上查看代码片 派生到我的代码片

  1. -(BOOL)getOnlyKey
  2. {
  3. NSString *myUUIDStr = [[[UIDevice currentDevice] identifierForVendor] UUIDString];
  5. //应用版本号
  6. NSDictionary* infoDict =[[NSBundle mainBundle] infoDictionary];
  7. NSString* versionNum =[infoDict objectForKey:@”CFBundleVersion”];
  10. NSString *urlString = [NSString stringWithFormat:@”http://122.225.89.70:28080/try/check"\];
  11. NSURL *url = [NSURL URLWithString:urlString];
  13. NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
  15. [request setHTTPMethod:@”POST”];
  16. NSString *bodyStr = [NSString stringWithFormat:@”imei=%@&av=%@”,myUUIDStr, versionNum];
  17. //将nstring转换成nsdata
  18. NSData *body = [bodyStr dataUsingEncoding:NSUTF8StringEncoding];
  19. //MyLog(@”body data %@”, body);
  20. [request setHTTPBody:body];
  21. NSURLResponse *response = nil;
  22. NSError *error = nil;
  23. //第二，三个参数是指针的指针，所有要用取址符，这个方法是同步方法。同步操作没有完成，后面的代码不会执行。
  24. NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];
  26. // NSString *str = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];
  27. // MyLog(@”返回结果是：%@”, str);
  29. if (error == nil) { //接受到数据，表示工作正常
  30. NSString *str = [[NSString alloc]initWithData:data encoding:NSUTF8StringEncoding];
  31. MyLog(@”%@”,str);
  32. NSRange range = [str rangeOfString:@”\“msg\“:\“0\“”];
  33. if (range.location != NSNotFound) {
  34. return**true**;
  35. }else{
  36. return**false**;
  37. UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@”出错鸟”
  38. message:@”您需要联系项目开发人员”
  39. delegate:nil
  40. cancelButtonTitle:@”确定”
  41. otherButtonTitles:nil];
  42. [alert show];
  43. }
  44. }
  46. if(error != nil || response == nil)
  47. {
  48. return**false**;
  49. UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@”错误”
  50. message:@”登陆失败，网络不稳定”
  51. delegate:nil
  52. cancelButtonTitle:@”确定”
  53. otherButtonTitles:nil];
  54. [alert show];
  57. }
  59. return**false**;
  60. }

save_snippets.png

发表评论

表情：
评论列表 （有 0 条评论，305人围观）

还没有评论，来说两句吧...

相关阅读

    相关 ajax同步请求与异步请求

    在前后台请求数据交互的时候，我们经常用到ajax来进行数据的请求与返回，ajax请求的async字段是boolean类型，用来标识ajax请求是同步请求或者异步请求。async

    蔚落蔚落/ 0 赞/ 213 阅读