ios 使用 NSURLSession 发送 POST 请求
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时间：2020-08-31 01:52:56 来源:igfitidea点击:
Send POST request using NSURLSession
提问by Sendoa
Update:Solution found. You can read it at the end of the post.
更新：找到解决方案。您可以在文章末尾阅读。
I'm trying to perform a POST request to a remote REST API using NSURLSession. The idea is to make a request with two parameters: deviceIdand textContent.
我正在尝试使用 .NET 对远程 REST API 执行 POST 请求NSURLSession。这个想法是用两个参数发出请求：deviceId和textContent。
The problem is that those parameters are not recognized by the server. The server part works correctly because I've sent a POST using POSTMAN for Google Chrome and it worked perfectly.
问题是服务器无法识别这些参数。服务器部分工作正常，因为我已经使用 POSTMAN for Google Chrome 发送了一个 POST 并且它工作得很好。
This is the code I'm using right now:
这是我现在使用的代码：
NSString *deviceID = [[NSUserDefaults standardUserDefaults] objectForKey:@"deviceID"];
NSString *textContent = @"New note";
NSString *noteDataString = [NSString stringWithFormat:@"deviceId=%@&textContent=%@", deviceID, textContent];
NSURLSessionConfiguration *sessionConfiguration = [NSURLSessionConfiguration defaultSessionConfiguration];
sessionConfiguration.HTTPAdditionalHeaders = @{
@"api-key" : @"API_KEY",
@"Content-Type" : @"application/json"
};
NSURLSession *session = [NSURLSession sessionWithConfiguration:sessionConfiguration];
NSURL *url = [NSURL URLWithString:@"http://url_to_manage_post_requests"];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
request.HTTPBody = [noteDataString dataUsingEncoding:NSUTF8StringEncoding];
request.HTTPMethod = @"POST";
NSURLSessionDataTask *postDataTask = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
// The server answers with an error because it doesn't receive the params
}];
[postDataTask resume];
I've tried the same procedure with a NSURLSessionUploadTask:
我已经尝试了相同的程序NSURLSessionUploadTask：
// ...
NSURL *url = [NSURL URLWithString:@"http://url_to_manage_post_requests"];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
request.HTTPMethod = @"POST";
NSURLSessionUploadTask *uploadTask = [session uploadTaskWithRequest:request fromData:[noteDataString dataUsingEncoding:NSUTF8StringEncoding] completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
// The server answers with an error because it doesn't receive the params
}];
[uploadTask resume];
Any ideas?
有任何想法吗？
Solution
解决方案
The problem with my approach was that I was sending the incorrect Content-Typeheader with all my requests. So the only change needed for the code to work correctly is to remove the Content-Type = application/jsonHTTP header. So the correct code would be this:
我的方法的问题是我在Content-Type所有请求中都发送了不正确的标头。因此，代码正常工作所需的唯一更改是删除Content-Type = application/jsonHTTP 标头。所以正确的代码是这样的：
NSString *deviceID = [[NSUserDefaults standardUserDefaults] objectForKey:@"deviceID"];
NSString *textContent = @"New note";
NSString *noteDataString = [NSString stringWithFormat:@"deviceId=%@&textContent=%@", deviceID, textContent];
NSURLSessionConfiguration *sessionConfiguration = [NSURLSessionConfiguration defaultSessionConfiguration];
sessionConfiguration.HTTPAdditionalHeaders = @{
@"api-key" : @"API_KEY"
};
NSURLSession *session = [NSURLSession sessionWithConfiguration:sessionConfiguration];
NSURL *url = [NSURL URLWithString:@"http://url_to_manage_post_requests"];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
request.HTTPBody = [noteDataString dataUsingEncoding:NSUTF8StringEncoding];
request.HTTPMethod = @"POST";
NSURLSessionDataTask *postDataTask = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
// The server answers with an error because it doesn't receive the params
}];
[postDataTask resume];
Sending images along with other parameters
与其他参数一起发送图像
If you need to post images along with other parameters using NSURLSessionhere you have an example:
如果您需要使用NSURLSession此处发布图像以及其他参数，您有一个示例：
NSString *deviceID = [[NSUserDefaults standardUserDefaults] objectForKey:@"deviceID"];
NSString *textContent = @"This is a new note";
// Build the request body
NSString *boundary = @"SportuondoFormBoundary";
NSMutableData *body = [NSMutableData data];
// Body part for "deviceId" parameter. This is a string.
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n", @"deviceId"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@\r\n", deviceID] dataUsingEncoding:NSUTF8StringEncoding]];
// Body part for "textContent" parameter. This is a string.
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n", @"textContent"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"%@\r\n", textContent] dataUsingEncoding:NSUTF8StringEncoding]];
// Body part for the attachament. This is an image.
NSData *imageData = UIImageJPEGRepresentation([UIImage imageNamed:@"ranking"], 0.6);
if (imageData) {
[body appendData:[[NSString stringWithFormat:@"--%@\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[[NSString stringWithFormat:@"Content-Disposition: form-data; name=\"%@\"; filename=\"image.jpg\"\r\n", @"image"] dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:[@"Content-Type: image/jpeg\r\n\r\n" dataUsingEncoding:NSUTF8StringEncoding]];
[body appendData:imageData];
[body appendData:[[NSString stringWithFormat:@"\r\n"] dataUsingEncoding:NSUTF8StringEncoding]];
}
[body appendData:[[NSString stringWithFormat:@"--%@--\r\n", boundary] dataUsingEncoding:NSUTF8StringEncoding]];
// Setup the session
NSURLSessionConfiguration *sessionConfiguration = [NSURLSessionConfiguration defaultSessionConfiguration];
sessionConfiguration.HTTPAdditionalHeaders = @{
@"api-key" : @"55e76dc4bbae25b066cb",
@"Accept" : @"application/json",
@"Content-Type" : [NSString stringWithFormat:@"multipart/form-data; boundary=%@", boundary]
};
// Create the session
// We can use the delegate to track upload progress
NSURLSession *session = [NSURLSession sessionWithConfiguration:sessionConfiguration delegate:self delegateQueue:nil];
// Data uploading task. We could use NSURLSessionUploadTask instead of NSURLSessionDataTask if we needed to support uploads in the background
NSURL *url = [NSURL URLWithString:@"URL_TO_UPLOAD_TO"];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
request.HTTPMethod = @"POST";
request.HTTPBody = body;
NSURLSessionDataTask *uploadTask = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
// Process the response
}];
[uploadTask resume];
采纳答案by Peter Todd
You could try using a NSDictionary for the params. The following will send the parameters correctly to a JSON server.
您可以尝试使用 NSDictionary 作为参数。以下将正确地将参数发送到 JSON 服务器。
NSError *error;
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration delegate:self delegateQueue:nil];
NSURL *url = [NSURL URLWithString:@"[JSON SERVER"];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url
cachePolicy:NSURLRequestUseProtocolCachePolicy
timeoutInterval:60.0];
[request addValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
[request addValue:@"application/json" forHTTPHeaderField:@"Accept"];
[request setHTTPMethod:@"POST"];
NSDictionary *mapData = [[NSDictionary alloc] initWithObjectsAndKeys: @"TEST IOS", @"name",
@"IOS TYPE", @"typemap",
nil];
NSData *postData = [NSJSONSerialization dataWithJSONObject:mapData options:0 error:&error];
[request setHTTPBody:postData];
NSURLSessionDataTask *postDataTask = [session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
}];
[postDataTask resume];
Hope this helps (I'm trying to sort a CSRF authenticity issue with the above - but it does send the params in the NSDictionary).
希望这会有所帮助（我正在尝试使用上述内容对 CSRF 真实性问题进行排序 - 但它确实在 NSDictionary 中发送了参数）。
回答by E-Riddie
Motivation
动机
Sometimes I have been getting some errors when you want to pass httpBodyserialized to Datafrom Dictionary, which on most cases is due to the wrong encoding or malformed data due to non NSCodingconforming objects in the Dictionary.
有时候，我已经得到了一些错误，当你想通过httpBody序列化到Data从Dictionary，这在大多数情况下是由于错误的编码或格式错误数据，由于非NSCoding在符合的对象Dictionary。
Solution
解决方案
Depending on your requirements one easy solution would be to create a Stringinstead of Dictionaryand convert it to Data. You have the code samples below written on Objective-Cand Swift 3.0.
根据您的要求，一种简单的解决方案是创建一个String而不是Dictionary并将其转换为Data. 您在Objective-C和 上编写了以下代码示例Swift 3.0。
Objective-C
目标-C
// Create the URLSession on the default configuration
NSURLSessionConfiguration *defaultSessionConfiguration = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession *defaultSession = [NSURLSession sessionWithConfiguration:defaultSessionConfiguration];
// Setup the request with URL
NSURL *url = [NSURL URLWithString:@"yourURL"];
NSMutableURLRequest *urlRequest = [NSMutableURLRequest requestWithURL:url];
// Convert POST string parameters to data using UTF8 Encoding
NSString *postParams = @"api_key=APIKEY&[email protected]&password=password";
NSData *postData = [postParams dataUsingEncoding:NSUTF8StringEncoding];
// Convert POST string parameters to data using UTF8 Encoding
[urlRequest setHTTPMethod:@"POST"];
[urlRequest setHTTPBody:postData];
// Create dataTask
NSURLSessionDataTask *dataTask = [defaultSession dataTaskWithRequest:urlRequest completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
// Handle your response here
}];
// Fire the request
[dataTask resume];
Swift
迅速
// Create the URLSession on the default configuration
let defaultSessionConfiguration = URLSessionConfiguration.default
let defaultSession = URLSession(configuration: defaultSessionConfiguration)
// Setup the request with URL
let url = URL(string: "yourURL")
var urlRequest = URLRequest(url: url!) // Note: This is a demo, that's why I use implicitly unwrapped optional
// Convert POST string parameters to data using UTF8 Encoding
let postParams = "api_key=APIKEY&[email protected]&password=password"
let postData = postParams.data(using: .utf8)
// Set the httpMethod and assign httpBody
urlRequest.httpMethod = "POST"
urlRequest.httpBody = postData
// Create dataTask
let dataTask = defaultSession.dataTask(with: urlRequest) { (data, response, error) in
// Handle your response here
}
// Fire the request
dataTask.resume()
回答by Teja Kumar Bethina
Swift 2.0 solution is here:
Swift 2.0 解决方案在这里：
let urlStr = “http://url_to_manage_post_requests”
let url = NSURL(string: urlStr)
let request: NSMutableURLRequest =
NSMutableURLRequest(URL: url!) request.HTTPMethod = "POST"
request.setValue(“application/json” forHTTPHeaderField:”Content-Type”)
request.timeoutInterval = 60.0
//additional headers
request.setValue(“deviceIDValue”, forHTTPHeaderField:”DeviceId”)
let bodyStr = “string or data to add to body of request”
let bodyData = bodyStr.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: true)
request.HTTPBody = bodyData
let session = NSURLSession.sharedSession()
let task = session.dataTaskWithRequest(request){
(data: NSData?, response: NSURLResponse?, error: NSError?) -> Void in
if let httpResponse = response as? NSHTTPURLResponse {
print("responseCode \(httpResponse.statusCode)")
}
if error != nil {
// You can handle error response here
print("\(error)")
}else {
//Converting response to collection formate (array or dictionary)
do{
let jsonResult: AnyObject = (try NSJSONSerialization.JSONObjectWithData(data!, options:
NSJSONReadingOptions.MutableContainers))
//success code
}catch{
//failure code
}
}
}
task.resume()
回答by mxcl
You can use https://github.com/mxcl/OMGHTTPURLRQ
您可以使用https://github.com/mxcl/OMGHTTPURLRQ
id config = [NSURLSessionConfiguration backgroundSessionConfigurationWithIdentifier:someID];
id session = [NSURLSession sessionWithConfiguration:config delegate:someObject delegateQueue:[NSOperationQueue new]];
OMGMultipartFormData *multipartFormData = [OMGMultipartFormData new];
[multipartFormData addFile:data1 parameterName:@"file1" filename:@"myimage1.png" contentType:@"image/png"];
NSURLRequest *rq = [OMGHTTPURLRQ POST:url:multipartFormData];
id path = [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:@"upload.NSData"];
[rq.HTTPBody writeToFile:path atomically:YES];
[[session uploadTaskWithRequest:rq fromFile:[NSURL fileURLWithPath:path]] resume];
回答by Daniel Duan
If you are using Swift, the Justlibrary does this for you. Example from it's readme file:
如果您使用 Swift，Just库会为您完成这项工作。它的自述文件中的示例：
// talk to registration end point
Just.post(
"http://justiceleauge.org/member/register",
data: ["username": "barryallen", "password":"ReverseF1ashSucks"],
files: ["profile_photo": .URL(fileURLWithPath:"flash.jpeg", nil)]
) { (r)
if (r.ok) { /* success! */ }
}
回答by algrid
Teja Kumar Bethina's code changed for Swift 3:
Teja Kumar Bethina 为 Swift 3 更改了代码：
let urlStr = "http://url_to_manage_post_requests"
let url = URL(string: urlStr)
var request: URLRequest = URLRequest(url: url!)
request.httpMethod = "POST"
request.setValue("application/json", forHTTPHeaderField:"Content-Type")
request.timeoutInterval = 60.0
//additional headers
request.setValue("deviceIDValue", forHTTPHeaderField:"DeviceId")
let bodyStr = "string or data to add to body of request"
let bodyData = bodyStr.data(using: String.Encoding.utf8, allowLossyConversion: true)
request.httpBody = bodyData
let task = URLSession.shared.dataTask(with: request) {
(data: Data?, response: URLResponse?, error: Error?) -> Void in
if let httpResponse = response as? HTTPURLResponse {
print("responseCode \(httpResponse.statusCode)")
}
if error != nil {
// You can handle error response here
print("\(error)")
} else {
//Converting response to collection formate (array or dictionary)
do {
let jsonResult = (try JSONSerialization.jsonObject(with: data!, options:
JSONSerialization.ReadingOptions.mutableContainers))
//success code
} catch {
//failure code
}
}
}
task.resume()
回答by Akash Raghani
use like this.....
Create file
#import <Foundation/Foundation.h>`
#import "SharedManager.h"
#import "Constant.h"
#import "UserDetails.h"
@interface APISession : NSURLSession<NSURLSessionDelegate>
@property (nonatomic, retain) NSMutableData *responseData;
+(void)postRequetsWithParam:(NSMutableDictionary* )objDic withAPIName:(NSString*
)strAPIURL completionHandler:(void (^)(id result, BOOL status))completionHandler;
@end
****************.m*************************
#import "APISession.h"
#import <UIKit/UIKit.h>
@implementation APISession
+(void)postRequetsWithParam:(NSMutableDictionary *)objDic withAPIName:(NSString
*)strAPIURL completionHandler:(void (^)(id, BOOL))completionHandler
{
NSURL *url=[NSURL URLWithString:strAPIURL];
NSMutableURLRequest *request=[[NSMutableURLRequest alloc]initWithURL:url];
[request setHTTPMethod:@"POST"];
[request addValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
NSError *err = nil;
NSData *data=[NSJSONSerialization dataWithJSONObject:objDic options:NSJSONWritingPrettyPrinted error:&err];
[request setHTTPBody:data];
NSString *strJsonFormat = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSLog(@"API URL: %@ \t Api Request Parameter ::::::::::::::%@",url,strJsonFormat);
// NSLog(@"Request data===%@",objDic);
NSURLSessionConfiguration *defaultConfigObject = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession *session = [NSURLSession sessionWithConfiguration: defaultConfigObject delegate: nil delegateQueue: [NSOperationQueue mainQueue]];
// NSURLSession *session=[NSURLSession sharedSession];
NSURLSessionTask *task=[session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error)
{
if (error==nil) {
NSDictionary *dicData=[NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:&error];\
NSLog(@"Response Data=============%@",dicData);
if([[dicData valueForKey:@"tokenExpired"]integerValue] == 1)
{
NSLog(@"hello");
NSDictionary *dict = [NSDictionary dictionaryWithObject:@"Access Token Expire." forKey:@"message"];
[[NSNotificationCenter defaultCenter] postNotificationName:@"UserLogOut" object:self userInfo:dict];
}
dispatch_async(dispatch_get_main_queue(), ^{
completionHandler(dicData,(error == nil));
});
NSLog(@"%@",dicData);
}
else{
dispatch_async(dispatch_get_main_queue(), ^{
completionHandler(error.localizedDescription,NO);
});
}
}];
// dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[task resume];
// });
}
@end
*****************************in .your view controller***********
#import "file"
txtEmail.text = [txtEmail.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
{
[SVProgressHUD showWithStatus:@"Loading..."];
[SVProgressHUD setDefaultMaskType:SVProgressHUDMaskTypeGradient];
NSMutableDictionary *objLoginDic=[[NSMutableDictionary alloc] init];
[objLoginDic setValue:txtEmail.text forKey:@"email"];
[objLoginDic setValue:@0 forKey:kDeviceType];
[objLoginDic setValue:txtPassword.text forKey:kPassword];
[objLoginDic setValue:@"376545432" forKey:kDeviceTokan];
[objLoginDic setValue:@"" forKey:kcountryId];
[objLoginDic setValue:@"" forKey:kfbAccessToken];
[objLoginDic setValue:@0 forKey:kloginType];
[APISession postRequetsWithParam:objLoginDic withAPIName:KLOGIN_URL completionHandler:^(id result, BOOL status) {
[SVProgressHUD dismiss];
NSInteger statusResponse=[[result valueForKey:kStatus] integerValue];
NSString *strMessage=[result valueForKey:KMessage];
if (status) {
if (statusResponse == 1)
{
UserDetails *objLoginUserDetail=[[UserDetails alloc]
initWithObject:[result valueForKey:@"userDetails"]];
[[NSUserDefaults standardUserDefaults]
setObject:@(objLoginUserDetail.userId) forKey:@"user_id"];
[[NSUserDefaults standardUserDefaults] synchronize];
[self clearTextfeilds];
HomeScreen *obj=[Kiran_Storyboard instantiateViewControllerWithIdentifier:@"HomeScreen"];
[self.navigationController pushViewController:obj animated:YES];
}
else{
[strMessage showAsAlert:self];
}
}
}];
}
**********use model class for represnt data*************
#import <Foundation/Foundation.h>
#import "Constant.h"
#import <objc/runtime.h>
@interface UserDetails : NSObject
@property(strong,nonatomic) NSString *emailId,
*deviceToken,
*countryId,
*fbAccessToken,
*accessToken,
*countryName,
*isProfileSetup,
*profilePic,
*firstName,
*lastName,
*password;
@property (assign) NSInteger userId,deviceType,loginType;
-(id)initWithObject :(NSDictionary *)dicUserData;
-(void)saveLoginUserDetail;
+(UserDetails *)getLoginUserDetail;
-(UserDetails *)getEmptyModel;
- (NSArray *)allPropertyNames;
-(void)printDescription;
-(NSMutableDictionary *)getDictionary;
@end
******************model.m*************
#import "UserDetails.h"
#import "SharedManager.h"
@implementation UserDetails
-(id)initWithObject :(NSDictionary *)dicUserData
{
self = [[UserDetails alloc] init];
if (self)
{
@try {
[self setFirstName:([dicUserData valueForKey:@"firstName"] != [NSNull null])?
[dicUserData valueForKey:@"firstName"]:@""];
[self setUserId:([dicUserData valueForKey:kUserId] != [NSNull null])?
[[dicUserData valueForKey:kUserId] integerValue]:0];
}
@catch (NSException *exception) {
NSLog(@"Exception: %@",exception.description);
}
@finally {
}
}
return self;
}
-(UserDetails *)getEmptyModel{
[self setFirstName:@""];
[self setLastName:@""];
[self setDeviceType:0];
return self;
}
- (void)encodeWithCoder:(NSCoder *)encoder {
// Encode properties, other class variables, etc
[encoder encodeObject:_firstName forKey:kFirstName];
[encoder encodeObject:[NSNumber numberWithInteger:_deviceType] forKey:kDeviceType];
}
- (id)initWithCoder:(NSCoder *)decoder {
if((self = [super init])) {
_firstName = [decoder decodeObjectForKey:kEmailId];
_deviceType= [[decoder decodeObjectForKey:kDeviceType] integerValue];
}
return self;
}
- (NSArray *)allPropertyNames
{
unsigned count;
objc_property_t *properties = class_copyPropertyList([self class], &count);
NSMutableArray *rv = [NSMutableArray array];
unsigned i;
for (i = 0; i < count; i++)
{
objc_property_t property = properties[i];
NSString *name = [NSString stringWithUTF8String:property_getName(property)];
[rv addObject:name];
}
free(properties);
return rv;
}
-(void)printDescription{
NSMutableDictionary *dic = [[NSMutableDictionary alloc] init];
for(NSString *key in [self allPropertyNames])
{
[dic setValue:[self valueForKey:key] forKey:key];
}
NSLog(@"\n========================= User Detail ==============================\n");
NSLog(@"%@",[dic description]);
NSLog(@"\n=============================================================\n");
}
-(NSMutableDictionary *)getDictionary{
NSMutableDictionary *dic = [[NSMutableDictionary alloc] init];
for(NSString *key in [self allPropertyNames])
{
[dic setValue:[self valueForKey:key] forKey:key];
}
return dic;
}
#pragma mark
#pragma mark - Save and get User details
-(void)saveLoginUserDetail{
NSData *encodedObject = [NSKeyedArchiver archivedDataWithRootObject:self];
[Shared_UserDefault setObject:encodedObject forKey:kUserDefault_SavedUserDetail];
[Shared_UserDefault synchronize];
}
+(UserDetails *)getLoginUserDetail{
NSData *encodedObject = [Shared_UserDefault objectForKey:kUserDefault_SavedUserDetail];
UserDetails *object = [NSKeyedUnarchiver unarchiveObjectWithData:encodedObject];
return object;
}
@end
************************usefull code while add data into model and get data********
NSLog(@"Response %@",result);
NSString *strMessg = [result objectForKey:kMessage];
NSString *status = [NSString stringWithFormat:@"%@",[result
objectForKey:kStatus]];
if([status isEqualToString:@"1"])
{
arryBankList =[[NSMutableArray alloc]init];
NSMutableArray *arrEvents=[result valueForKey:kbankList];
ShareOBJ.isDefaultBank = [result valueForKey:kisDefaultBank];
if ([arrEvents count]>0)
{
for (NSMutableArray *dic in arrEvents)
{
BankList *objBankListDetail =[[BankList alloc]initWithObject:[dic
mutableCopy]];
[arryBankList addObject:objBankListDetail];
}
//display data using model...
BankList *objBankListing =[arryBankList objectAtIndex:indexPath.row];
