iOS 检查版本号的代码

- (void)checkNewVersion{

if ([@"appStore" isEqualToString:CHANNEL]) {

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

NSString *url = [NSString stringWithFormat:@"http://itunes.apple.com/lookup?id=%@", APPLE_ID];

[manager POST:url sign:nil token:self.user.token parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {

id obj = [responseObject objectForKey:@"results"];

if (obj && [obj isKindOfClass:[NSArray class]]) {

versionResult = [obj lastObject];    //NSMutableDictionary     *versionResult;

if ([versionResult isKindOfClass:[NSMutableDictionary class]]) {//versionResult是全局的

NSString *newVersion = [versionResult objectForKey:@"version"];//appstore的版本

NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary];

NSString *currentVersion = [infoDict objectForKey:@"CFBundleVersion"];//本地软件版本

if (newVersion && [currentVersion compare:newVersion] == NSOrderedAscending) {

UIAlertView *newVersionAlert = [[UIAlertView alloc] initWithTitle:[NSString stringWithFormat:@"检测到可用的新版本%@",newVersion]

message:[NSString stringWithFormat:@"%@",[versionResult objectForKey:@"releaseNotes"]]

delegate:self

cancelButtonTitle:@"稍后再说"

otherButtonTitles:@"马上升级",nil];

newVersionAlert.tag = NEW_VERSION_ALERT;//用于标记当前alert

[newVersionAlert show];

}

}

}

} failure:^(AFHTTPRequestOperation *operation, NSError *error) {

NSLog(@"Error: %@", error);

}];

} else {

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

NSString *url = CHECK_VERSION_URL;

[manager POST:url sign:nil token:self.user.token parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {

NSString *newVersion = [responseObject objectForKey:@"vcode"];

NSString *newDesc = [responseObject objectForKey:@"vdesc"];

NSDictionary *infoDict = [[NSBundle mainBundle] infoDictionary];

NSString *currentVersion = [infoDict objectForKey:@"CFBundleVersion"];//本地软件版本

if (newVersion && [currentVersion compare:newVersion] == NSOrderedAscending) {

UIAlertView *newVersionAlert = [[UIAlertView alloc] initWithTitle:[NSString stringWithFormat:@"检测到可用的新版本%@",newVersion]

message:newDesc

delegate:self

cancelButtonTitle:@"稍后再说"

otherButtonTitles:@"马上升级",nil];

newVersionAlert.tag = NEW_VERSION_ALERT;//用于标记当前alert

[newVersionAlert show];

}

} failure:^(AFHTTPRequestOperation *operation, NSError *error) {

NSLog(@"Error: %@", error);

}];

}

}

//点击马上升级的代理

#pragma mark UIAlertView Delegate

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{

[super alertView:alertView clickedButtonAtIndex:buttonIndex];

if (alertView.tag == NEW_VERSION_ALERT) {

//新版本提示框

if (buttonIndex == 1) {

if ([@"appStore" isEqualToString:CHANNEL]) {

//跳转到App Store

if ([versionResult isKindOfClass:[NSMutableDictionary class]]) {

UIApplication *application = [UIApplication sharedApplication];

NSString *trackViewUrl = [versionResult objectForKey:@"trackViewUrl"];

[application openURL:[NSURL URLWithString:[trackViewUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];

}

} else {

UIApplication *application = [UIApplication sharedApplication];

NSString *trackViewUrl = APP_DOWNLOAD_URL;

[application openURL:[NSURL URLWithString:[trackViewUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];

}

}

}

}

//黄色标记的为，＃define得到的

如果需要检查版本的话，可直接复制一下代码，其中再大致修改一下