iOS 发送短信有两种方法

方法一：

此方法有个缺点，iOS原生调用可以做短信多人发送，多账号之间用英文逗号","隔开
问题： 遇到js调用，即使是插件调用下面代码，只能识别第一个账号。逗号不被识别，导致多个账号不能被分开识别，打开短信息页面时只有一个长的号码
所以，推荐使用第二种方法

    NSString* msg = [@"sms:13551,138450&body=This is content" stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];NSURL* url = [NSURL URLWithString:msg];[[UIApplication sharedApplication] openURL:url options:@{} completionHandler:^(BOOL success) {}];

方法二

此方法依赖 MessageUI 框架使用，可以到短信息的单发、群发，是Apple官方推荐使用方法

代码如下：

//
//  SmsModule.h
//  Nick
//
//  Created by Nick5683 on 2022/7/19.
//  Copyright © 2020 Nick5683. All rights reserved.
//#import #import 
#import @interface SmsModule : NSObject - (void)sendMessage:(NSString*)message recipients:(NSArray*)recipients;@end

//
//  SmsModule.m
//  Nick
//
//  Created by Nick5683 on 2022/7/19.
//  Copyright © 2020 Nick5683. All rights reserved.
//#import "SmsModule.h"@implementation SmsModule- (void)sendMessage:(NSString*)message recipients:(NSArray*)recipients;if (![MFMessageComposeViewController canSendText]) {dispatch_async(dispatch_get_main_queue(void), ^{NSString *errorMessage = @"Sms Text not available.";UIAlertController * alert = [UIAlertControlleralertControllerWithTitle:[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"]message:errorMessagepreferredStyle:UIAlertControllerStyleAlert];UIAlertAction *ok = [UIAlertAction actionWithTitle:@"OK"style:UIAlertActionStyleDefaulthandler:^(UIAlertAction *action){}];[alert addAction:ok];[currentViewController() presentViewController:alert animated:YES completion:nil];});return;}dispatch_async(dispatch_get_main_queue(void), ^{MFMessageComposeViewController *composeViewController = [[MFMessageComposeViewController alloc] init];composeViewController.messageComposeDelegate = self;[composeViewController setBody:message];if (recipients != nil) {if ([recipients.firstObject isEqual: @""]) {[recipients replaceObjectAtIndex:0 withObject:@"?"];}[composeViewController setRecipients:recipients];}// code to be executed on the main queue after delay[self.viewController presentViewController:composeViewController animated:YES completion:nil];});
}#pragma mark - MFMessageComposeViewControllerDelegate
- (void)messageComposeViewController:(MFMessageComposeViewController *)controller didFinishWithResult:(MessageComposeResult)result {NSString* message = @"";switch(result) {case MessageComposeResultCancelled:message = @"Message cancelled.";break;case MessageComposeResultSent:message = @"Message sent.";break;case MessageComposeResultFailed:message = @"Message failed.";break;default:message = @"Unknown error.";break;}[self.viewController dismissViewControllerAnimated:YES completion:nil];NSLog(@"----------%@",message);
}@end

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