[IOS]用户聊天界面
来源：互联网 发布：苹果id账号查询软件 编辑：程序博客网 时间：2024/05/21 21:43
用户聊天界面
Demo:http://download.csdn.net/detail/u012881779/8613413
部分代码：
@interface ProcessMessage ()<UITextViewDelegate,UITableViewDataSource,UITableViewDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate >@property (nonatomic) float gKeyBoardH; @property (nonatomic) CGRect gTVrect;@property (weak, nonatomic) IBOutlet UIView *gSendV; //发送栏视图@property (weak, nonatomic) IBOutlet UIButton *gSendBut; //发送@property (weak, nonatomic) IBOutlet UITextView *gImputTxtV; //输入框@property (weak, nonatomic) IBOutlet UITableView *gProcessTV; //消息TV@property (strong, nonatomic) NSMutableArray *gCellHeightArr ;//cell高@property (strong, nonatomic) NSMutableArray *gMessageInfo; //消息内容@property (strong, nonatomic) VoiceInfo *gVoice; //语音@property (strong, nonatomic) PictureInfo *gPicture; //图片@property (strong, nonatomic) NSString *gMyObjectID; //自己的ID@property (strong, nonatomic) NSString *gObjectID; //交谈对象ID@property (strong, nonatomic) NSString *gUserid; //自己ID@property (strong, nonatomic) AudioRecord *mAudioRecord;@property (strong, nonatomic) AVAudioPlayer *gAudioPlayer;@property (strong, nonatomic) ProcessAudioPlay *gProcessAPlayer;@property (strong, nonatomic) IBOutlet UIView *uploadView; //加载更多视图@property (strong, nonatomic) IBOutlet UIView *uploadNilView; //表尾为空@property (weak, nonatomic) IBOutlet UIButton *tapLoadBut; //点击加载But@property (weak, nonatomic) IBOutlet UIView *loadingView; //加载View@property (weak, nonatomic) IBOutlet UILabel *titleLab;@property (nonatomic) NSInteger leftPageNum;@end@implementation ProcessMessage- (void)viewDidLoad{ [super viewDidLoad]; [self.view setFrame:[[UIScreen mainScreen] bounds]]; if(!self.gCellHeightArr){ self.gCellHeightArr = [[NSMutableArray alloc] init]; } if(!self.gMessageInfo){ self.gMessageInfo = [[NSMutableArray alloc] init]; } [_gProcessTV setTransform:CGAffineTransformMakeRotation(M_PI)]; [_gProcessTV setTableFooterView:_uploadView]; [_uploadView setTransform:CGAffineTransformMakeRotation(M_PI)]; //参数设置 _leftPageNum = 1; _gMyObjectID = @"50"; _gUserid = @"50"; _gObjectID = @"60"; //消息TableView [self cMessageTableView]; //消息发送栏 [self cMessageSend:40]; //增加监听，当键盘出现或改变时收出消息 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil]; //增加监听，当键退出时收出消息 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil]; }//消息TableView-(void)cMessageTableView{ self.gTVrect = _gProcessTV.frame; [_gProcessTV setSeparatorStyle:NO];}//消息发送栏-(void)cMessageSend:(float)sendVH{ if(sendVH < 40){ sendVH = 40; }else if(sendVH > 100){ sendVH = 100; } if(sendVH == 60 || sendVH == 78){ [_gImputTxtV setContentOffset:CGPointMake(0, 0) animated:YES]; } //消息发送栏高度动态调整 CGRect sendViewRect = _gSendV.frame; sendViewRect.origin.y = sendViewRect.origin.y - (sendVH-sendViewRect.size.height); sendViewRect.size.height = sendVH; [UIView animateWithDuration:0.2 animations:^{ [_gSendV setFrame:sendViewRect]; } completion:^(BOOL finished){}]; //tablevie高度适配 CGRect tvRect = _gProcessTV.frame; float tvHeight = _gSendV.frame.origin.y - tvRect.origin.y; tvRect.size.height = tvHeight; [_gProcessTV setFrame:tvRect]; //发送按钮状态 BOOL judge = 0; for (int i = 0; i < [_gImputTxtV.text length]; i ++) { NSString *str = [_gImputTxtV.text substringWithRange:NSMakeRange(i, 1)]; if(![str isEqualToString:@" "]){ if(![str isEqualToString:@"\n"]){ judge = 1; } } } if(judge){ [_gSendBut setBackgroundImage:[UIImage imageNamed:@"蓝按钮.png"] forState:UIControlStateNormal]; [_gSendBut setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal]; }else{ [_gSendBut setBackgroundImage:[UIImage imageNamed:@"发送按钮.png"] forState:UIControlStateNormal]; [_gSendBut setTitleColor:[UIColor grayColor] forState:UIControlStateNormal]; } //输入框 [_gImputTxtV.layer setCornerRadius:5]; [_gImputTxtV.layer setBorderWidth:1]; [_gImputTxtV.layer setBorderColor:[[UIColor colorWithRed:228.0/255 green:228.0/255 blue:228.0/255 alpha:1] CGColor] ]; }//发送消息button关联事件- (IBAction)downTapAction:(id)sender { UIButton *tempBut = (UIButton *)sender; if(tempBut.tag == 4100){ //语音 if(!_gVoice){ NSArray* array = [[NSBundle mainBundle] loadNibNamed:@"VoiceInfo" owner:nil options:nil]; _gVoice = (VoiceInfo*)[array objectAtIndex:0]; //关联事件 [_gVoice.but0 addTarget:self action:@selector(gCancelVoice:) forControlEvents:UIControlEventTouchUpInside]; [_gVoice.but1 addTarget:self action:@selector(gVoiceDown:) forControlEvents:UIControlEventTouchDown]; [_gVoice.but1 addTarget:self action:@selector(gVoiceInside:) forControlEvents:UIControlEventTouchUpInside]; [_gVoice.but1 addTarget:self action:@selector(gVoiceOutside:) forControlEvents:UIControlEventTouchUpOutside]; } [_gVoice setFrame:[[UIScreen mainScreen] bounds]]; CGRect tempPicRect = _gVoice.gViewOne.frame; tempPicRect.origin.y = [[UIScreen mainScreen] bounds].size.height - tempPicRect.size.height; _gVoice.gViewOne.frame = tempPicRect; CGRect rectOne = _gVoice.frame; CGRect rectTwo = self.view.frame; float changeF = rectTwo.size.height - rectOne.size.height; rectOne.origin.y = changeF; [_gVoice setFrame:rectOne]; [self.view addSubview:_gVoice]; CGRect tempRect = _gVoice.frame; CGRect tempRectOne = tempRect; tempRectOne.origin.y = self.view.frame.size.height; [_gVoice setFrame:tempRectOne]; //动画 [_gVoice setAlpha:0]; [_gVoice.gViewOne setAlpha:0]; [_gVoice.gImgV setAlpha:0]; [UIView animateWithDuration:0.3 animations:^{ [_gVoice setFrame:tempRect]; [_gVoice setAlpha:1]; [_gVoice.gViewOne setAlpha:1]; [_gVoice.gImgV setAlpha:0.2]; } completion:^(BOOL finished){}]; [self cReturnLocation]; }else if(tempBut.tag == 4101){ //图片 if(!_gPicture){ NSArray* array = [[NSBundle mainBundle] loadNibNamed:@"PictureInfo" owner:nil options:nil]; _gPicture = (PictureInfo*)[array objectAtIndex:0]; //关联事件 [_gPicture.but0 addTarget:self action:@selector(gCancel:) forControlEvents:UIControlEventTouchUpInside]; [_gPicture.but1 addTarget:self action:@selector(gPlot:) forControlEvents:UIControlEventTouchUpInside]; [_gPicture.but2 addTarget:self action:@selector(gPlot:) forControlEvents:UIControlEventTouchUpInside]; [_gPicture.but3 addTarget:self action:@selector(gPlot:) forControlEvents:UIControlEventTouchUpInside]; } [_gPicture setFrame:[[UIScreen mainScreen] bounds]]; CGRect tempPicRect = _gPicture.gViewOne.frame; tempPicRect.origin.y = [[UIScreen mainScreen] bounds].size.height - tempPicRect.size.height; _gPicture.gViewOne.frame = tempPicRect; CGRect rectOne = _gPicture.frame; CGRect rectTwo = self.view.frame; float changeF = rectTwo.size.height - rectOne.size.height; rectOne.origin.y = changeF; [_gPicture setFrame:rectOne]; [self.view addSubview:_gPicture]; CGRect tempRect = _gPicture.frame; CGRect tempRectOne = tempRect; tempRectOne.origin.y = self.view.frame.size.height; [_gPicture setFrame:tempRectOne]; //动画 [_gPicture setAlpha:0]; [_gPicture.gViewOne setAlpha:0]; [_gPicture.gImgV setAlpha:0]; [UIView animateWithDuration:0.3 animations:^{ [_gPicture setFrame:tempRect]; [_gPicture setAlpha:1]; [_gPicture.gViewOne setAlpha:1]; [_gPicture.gImgV setAlpha:0.2]; } completion:^(BOOL finished){}]; [self cReturnLocation]; //文本 }else if(tempBut.tag == 4102){ //发送 BOOL judge = 0; for (int i = 0; i < [_gImputTxtV.text length]; i ++) { NSString *str = [_gImputTxtV.text substringWithRange:NSMakeRange(i, 1)]; if(![str isEqualToString:@" "]){ if(![str isEqualToString:@"\n"]){ judge = 1; } } } if(judge){ long int temptime = [self cNowTimestamp ]; //消息发送时 立即插入数据库 [self cInsertLibaryWithID:temptime andContent:_gImputTxtV.text andType:1 andFileinfo:0]; }else{ } [self.gCellHeightArr removeAllObjects]; [_gProcessTV reloadData]; _gImputTxtV.text = nil; } [self cMessageSend:40]; [_gProcessTV setContentOffset:CGPointMake(0, 0)];}//图片发送- (void)gCancel:(id)sender{ CGRect tempRect = _gPicture.gViewOne.frame; tempRect.origin.y = _gPicture.frame.size.height; //动画 [UIView animateWithDuration:0.35 animations:^{ [_gPicture.gViewOne setFrame:tempRect]; [_gPicture.gViewOne setAlpha:0]; [_gPicture.gImgV setAlpha:0]; } completion:^(BOOL finished){ [_gPicture removeFromSuperview]; }];}- (void)gPlot:(id)sender{ NSInteger tag = [sender tag]; CGFloat height = [UIScreen mainScreen].bounds.size.height; UIView* subview = (UIView*)[self.view viewWithTag:135]; CGRect rect = subview.frame; rect.origin.y = 1.0*height; [UIView animateWithDuration:0.2 delay:0.0 options:UIViewAnimationOptionCurveEaseIn animations:^{ _gPicture.alpha = 0.0; subview.frame = rect; } completion:^(BOOL finished) { if (finished) { [_gPicture removeFromSuperview]; if (tag == 13) {//拍照 [self presentImageViewControllerWithCameraAvailable:1]; } else if (tag == 15) {//我的标绘 } else {//手机相册 [self presentImageViewControllerWithCameraAvailable:0]; } } }];}- (void)presentImageViewControllerWithCameraAvailable:(NSUInteger)isAvaiable{ UIImagePickerController *pickerController = [[UIImagePickerController alloc] init]; pickerController.delegate = self; if (isAvaiable == 1) { if (![UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceFront]) { UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil message:@"设备不支持拍照" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil]; [alertView show]; return; } pickerController.sourceType = UIImagePickerControllerSourceTypeCamera; } else { pickerController.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; } pickerController.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; [self presentViewController:pickerController animated:YES completion:NULL]; }#pragma mark - UIImagePickerControllerDelegate- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{ UIImage *sourceImage = (UIImage *)[info valueForKey:UIImagePickerControllerOriginalImage]; if (sourceImage == nil) { NSURL *imageURL = [info valueForKey:UIImagePickerControllerReferenceURL]; ALAssetsLibraryAssetForURLResultBlock resultblock = ^(ALAsset *asset) { ALAssetRepresentation *representation = [asset defaultRepresentation]; UIImage *originalImage = [UIImage imageWithCGImage:[representation fullResolutionImage]]; NSData* data = UIImageJPEGRepresentation(originalImage, 0.8); if (data) { NSString* filePath = [NSString stringWithFormat:@"%ld", (long)[[NSDate date] timeIntervalSince1970]]; filePath = [filePath stringFromMD5]; NSString* fileItem = [NSString stringWithFormat:@"%@_P.jpg",filePath]; NSString* picPath = [self getUserMessagePictureFileSavePath]; picPath = [picPath stringByAppendingPathComponent:fileItem]; if (![[NSFileManager defaultManager] fileExistsAtPath:picPath]) { BOOL bSuccess = [[NSFileManager defaultManager] createFileAtPath:picPath contents:data attributes:NULL]; if (bSuccess) { [self cPicPicChioce:picPath]; } } } else { UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil message:@"图片已损坏" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil]; [alertView show]; } [picker dismissViewControllerAnimated:YES completion:NULL]; }; ALAssetsLibrary* assetslibrary = [[ALAssetsLibrary alloc] init]; [assetslibrary assetForURL:imageURL resultBlock:resultblock failureBlock:nil]; } else { NSData* data = UIImageJPEGRepresentation(sourceImage, 0.8); NSString* filePath = [NSString stringWithFormat:@"%ld", (long)[[NSDate date] timeIntervalSince1970]]; filePath = [filePath stringFromMD5]; NSString* fileItem = [NSString stringWithFormat:@"%@_P.jpg",filePath]; NSString* picPath = [self getUserMessagePictureFileSavePath]; picPath = [picPath stringByAppendingPathComponent:fileItem]; if (![[NSFileManager defaultManager] fileExistsAtPath:picPath]) { BOOL bSuccess = [[NSFileManager defaultManager] createFileAtPath:picPath contents:data attributes:NULL]; if (bSuccess) { [self cPicPicChioce:picPath]; } } [picker dismissViewControllerAnimated:YES completion:NULL]; }}-(void)cPicPicChioce:(NSString *)picPath{ if(picPath){ [self cMessageTableView]; long int temptime = [self cNowTimestamp]; //消息发送时 立即插入数据库 [self cInsertLibaryWithID:temptime andContent:picPath andType:2 andFileinfo:0]; [_gProcessTV reloadData]; }}- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker{ [picker dismissViewControllerAnimated:YES completion:NULL];}//标绘图片1-(void)didEndCell:(NSInteger)mid path:(NSString*)path controller:(UIViewController *)VC{ if (path.length != 0) { //消息中心，选择图片复制 UIImage *sourceImage = (UIImage *)[UIImage imageWithContentsOfFile:path]; NSData* data = UIImageJPEGRepresentation(sourceImage, 0.8); NSString* filePath = [NSString stringWithFormat:@"%ld", (long)[[NSDate date] timeIntervalSince1970]]; filePath = [filePath stringFromMD5]; NSString* fileItem = [NSString stringWithFormat:@"%@_P.jpg",filePath]; NSString* picPath = [self getUserMessagePictureFileSavePath]; picPath = [picPath stringByAppendingPathComponent:fileItem]; if (![[NSFileManager defaultManager] fileExistsAtPath:picPath]) { BOOL bSuccess = [[NSFileManager defaultManager] createFileAtPath:picPath contents:data attributes:NULL]; if (bSuccess) { if(picPath){ long int temptime = [self cNowTimestamp]; //消息发送时 立即插入数据库 [self cInsertLibaryWithID:temptime andContent:picPath andType:2 andFileinfo:0]; [_gProcessTV reloadData]; } } } }}//语音//录音被取消- (void)gCancelVoice:(id)sender{ CGRect tempRect = _gVoice.gViewOne.frame; tempRect.origin.y = _gVoice.frame.size.height; [UIView animateWithDuration:0.35 animations:^{ [_gVoice.gViewOne setFrame:tempRect]; [_gVoice.gViewOne setAlpha:0]; [_gVoice.gImgV setAlpha:0]; } completion:^(BOOL finished){ [_gVoice removeFromSuperview]; }];}//录音开始- (void)gVoiceDown:(id)sender{ if (![AudioRecord hasMicphone]) { UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil message:@"设备不支持录音" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil]; [alertView show]; return; } if ([AudioRecord isMuted]) { UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil message:@"设备处于静音状态，请调高音量" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil]; [alertView show]; return; } if ([[self fetchSystemVersion] floatValue] >= 7.0) { //麦克风授权 [[AVAudioSession sharedInstance] requestRecordPermission:^(BOOL granted) { if (granted) { NSString* filePath = [NSString stringWithFormat:@"%ld", (long)[[NSDate date] timeIntervalSince1970]]; filePath = [filePath stringFromMD5]; NSString* fileItem = [NSString stringWithFormat:@"%@_A.caf",filePath]; NSString* audioPath = [self getUserMessageAudioFileSavePath]; audioPath = [audioPath stringByAppendingPathComponent:fileItem]; if(!self.mAudioRecord){ self.mAudioRecord = [[AudioRecord alloc] init]; } [self.mAudioRecord startRecordWithPath:audioPath]; } else { UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil message:@"用户不允许使用麦克风" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil]; [alertView show]; return; } }]; } else { NSString* filePath = [NSString stringWithFormat:@"%ld", (long)[[NSDate date] timeIntervalSince1970]]; filePath = [filePath stringFromMD5]; NSString* fileItem = [NSString stringWithFormat:@"%@_A.caf",filePath]; NSString* audioPath = [self getUserMessageAudioFileSavePath]; audioPath = [audioPath stringByAppendingPathComponent:fileItem]; if(!self.mAudioRecord){ self.mAudioRecord = [[AudioRecord alloc] init]; } [self.mAudioRecord startRecordWithPath:audioPath]; }}//录音结束- (void)gVoiceInside:(id)sender{ [self.mAudioRecord stopRecord]; CGFloat height = [UIScreen mainScreen].bounds.size.height; UIView* subview = (UIView*)[_gVoice.gViewOne viewWithTag:125]; CGRect rect = subview.frame; rect.origin.y = 1.0*height; [UIView animateWithDuration:0.2 delay:0.0 options:UIViewAnimationOptionCurveEaseIn animations:^{ _gVoice.alpha = 0.0; subview.frame = rect; } completion:^(BOOL finished) { if (finished) { [_gVoice removeFromSuperview]; } }]; if (self.mAudioRecord.recordTime < 0.5f) {//录音时间太短了 if ([[NSFileManager defaultManager] fileExistsAtPath:self.mAudioRecord.recordPath]) { [[NSFileManager defaultManager] removeItemAtPath:self.mAudioRecord.recordPath error:NULL]; } self.mAudioRecord = nil; UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil message:@"录音时间太短了" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil]; [alertView show]; return; } else if (self.mAudioRecord.averagePower < -40.0) {//小于-40分贝，表示没有说话 if ([[NSFileManager defaultManager] fileExistsAtPath:self.mAudioRecord.recordPath]) { [[NSFileManager defaultManager] removeItemAtPath:self.mAudioRecord.recordPath error:NULL]; } self.mAudioRecord = nil; UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil message:@"你的声音太小了" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil]; [alertView show]; return; } NSString* destPath = self.mAudioRecord.recordPath; destPath = [destPath substringToIndex:destPath.length-6]; //储存路径 NSString* path = [NSString stringWithFormat:@"%@_%d_A.caf", destPath, (int)self.mAudioRecord.recordTime+1]; if (![[NSFileManager defaultManager] fileExistsAtPath:path]) { BOOL bSuccess = [[NSFileManager defaultManager] copyItemAtPath:self.mAudioRecord.recordPath toPath:path error:NULL]; if (bSuccess) { [[NSFileManager defaultManager] removeItemAtPath:self.mAudioRecord.recordPath error:NULL]; } } self.mAudioRecord = nil; //.caf转换为.mp3 NSString *voiPathMP3 = [self audio_PCMtoMP3:path]; if(voiPathMP3){ _gProcessAPlayer = [ProcessAudioPlay sharedProcessAudioPlayAction]; [_gProcessAPlayer cPlayerData:voiPathMP3]; _gAudioPlayer = [_gProcessAPlayer gAudioPlayer]; NSInteger voiInt = _gAudioPlayer.duration;//语音时间 if(voiInt < 1){ voiInt = 1; } long int temptime = [self cNowTimestamp]; //消息发送时 立即插入数据库 [self cInsertLibaryWithID:temptime andContent:voiPathMP3 andType:3 andFileinfo:voiInt]; [_gProcessTV reloadData]; }}//录音被取消- (void)gVoiceOutside:(id)sender{ [self.mAudioRecord cancelRecord]; self.mAudioRecord = nil; CGFloat height = [UIScreen mainScreen].bounds.size.height; UIView* subview = (UIView*)[_gVoice.gViewOne viewWithTag:125]; CGRect rect = subview.frame; rect.origin.y = 1.0*height; [UIView animateWithDuration:0.2 delay:0.0 options:UIViewAnimationOptionCurveEaseIn animations:^{ _gVoice.alpha = 0.0; subview.frame = rect; } completion:^(BOOL finished) { if (finished) { [_gVoice removeFromSuperview]; } }]; UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil message:@"录音被取消了" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil]; [alertView show];}//.caf转换为.mp3-(NSString *)audio_PCMtoMP3:(NSString *)cafPath{ NSString *cafFilePath = cafPath; NSMutableString *changeName = [cafFilePath mutableCopy]; NSString *changePath; if([[changeName substringFromIndex:changeName.length-3] isEqualToString:@"caf"]){ changePath = [changeName substringToIndex:changeName.length-3]; } NSString *mp3FilePath; if(changePath){ mp3FilePath = [NSString stringWithFormat:@"%@mp3",changePath]; } @try { int read, write; FILE *pcm = fopen([cafFilePath cStringUsingEncoding:1], "rb"); //source 被转换的音频文件位置 fseek(pcm, 4*1024, SEEK_CUR); //skip file header FILE *mp3 = fopen([mp3FilePath cStringUsingEncoding:1], "wb"); //output 输出生成的Mp3文件位置 const int PCM_SIZE = 8192; const int MP3_SIZE = 8192; short int pcm_buffer[PCM_SIZE*2]; unsigned char mp3_buffer[MP3_SIZE]; lame_t lame = lame_init(); lame_set_num_channels(lame,2);//设置1为单通道，默认为2双通道 lame_set_in_samplerate(lame, 11025.0);//44100.0);//11025.0 lame_set_VBR(lame, vbr_default); lame_set_brate(lame,8); lame_set_mode(lame,3); lame_set_quality(lame,2); /* 2=high 5 = medium 7=low 音质*/ lame_init_params(lame); do { read = fread(pcm_buffer, 2*sizeof(short int), PCM_SIZE, pcm); if (read == 0) write = lame_encode_flush(lame, mp3_buffer, MP3_SIZE); else write = lame_encode_buffer_interleaved(lame, pcm_buffer, read, mp3_buffer, MP3_SIZE); fwrite(mp3_buffer, write, 1, mp3); } while (read != 0); lame_close(lame); fclose(mp3); fclose(pcm); } @catch (NSException *exception) { } @finally { //若转换成功， 删除caf文件 NSFileManager* fileManager=[NSFileManager defaultManager]; if([fileManager contentsAtPath:mp3FilePath]){ [fileManager removeItemAtPath:cafFilePath error:nil]; } } return mp3FilePath;}//消息发送时 立即插入数据库-(void)cInsertLibaryWithID:(long int)theID andContent:(NSString *)theContent andType:(NSInteger)theType andFileinfo:(NSInteger)theFileinfo{ NSString *groupID = @"0"; NSString *groupName = @""; NSString *sendName = @""; if([_titleLab.text isEqualToString:@"张三(收)"]){ sendName = @"张三"; }else{ sendName = @"李四"; } NSString *myID = _gMyObjectID; NSMutableDictionary *messageSend = [[NSMutableDictionary alloc] init]; [messageSend setObject:[NSNumber numberWithLong:theID] forKey:@"id"]; [messageSend setObject:theContent forKey:@"content"]; [messageSend setObject:[NSNumber numberWithInt:theType] forKey:@"type"]; [messageSend setObject:[NSNumber numberWithLong:theID] forKey:@"addtime"]; [messageSend setObject:@"" forKey:@"fileinfo"]; [messageSend setObject:_gObjectID forKey:@"receive_uid"]; [messageSend setObject:[NSNumber numberWithInt:0] forKey:@"rectime"]; [messageSend setObject:[NSString stringWithFormat:@"%@",myID] forKey:@"send_uid"]; [messageSend setObject:sendName forKey:@"send_uname"]; [messageSend setObject:[NSNumber numberWithInt:1] forKey:@"send"];//2 请求，0 失败，1 成功 [messageSend setObject:[NSNumber numberWithInt:theFileinfo] forKey:@"fileinfo"]; [messageSend setObject:groupID forKey:@"groupid"]; [messageSend setObject:groupName forKey:@"groupname"]; //插入数据库 默认为未发送成功 [self cSendTalkDatabaseInsertInto:messageSend]; messageSend = nil;}//消息发送时 数据库插入 用户交谈-(void)cSendTalkDatabaseInsertInto:(NSDictionary *)talkDict{ //特殊字符转换—— NSString *strContent = [talkDict objectForKey:@"content"]; if(strContent == nil || [strContent isEqualToString:@""]){ strContent = [talkDict objectForKey:@"content"]; } //现在表中查询有没有相同的元素，如果有，做修改操作 NSString *sqlCodeOne = [NSString stringWithFormat:@"select * from UserTalk where Tid = %lld",[[talkDict objectForKey:@"id"] longLongValue]]; PTDBManage* manager = [[PTDBManage alloc] init]; FMResultSet *rs = [[manager startDB] executeQuery:sqlCodeOne]; BOOL result = NO; if([rs next]) { result = YES; } [rs close]; [manager endDB]; if(!result){ //3.插入 NSString *sqlCode = [NSString stringWithFormat:@"INSERT INTO UserTalk (Tid,Ttype,Tsend_uid,Tsend_uname,Treceive_uid,Tcontent,Taddtime,Trectime,Tsend,TfileInfo,Fuserid,Fobjectid,UGroupId,UGroupName) VALUES (%d,%d,'%@','%@','%@','%@',%d,%d,%d,%d,'%@','%@','%@','%@')", [[talkDict objectForKey:@"id"] intValue], [[talkDict objectForKey:@"type"] intValue], [talkDict objectForKey:@"send_uid"], [talkDict objectForKey:@"send_uname"], [talkDict objectForKey:@"receive_uid"], strContent, [[talkDict objectForKey:@"addtime"] intValue], [[talkDict objectForKey:@"rectime"] intValue], [[talkDict objectForKey:@"send"] intValue], [[talkDict objectForKey:@"fileinfo"] intValue], _gUserid, _gObjectID, [talkDict objectForKey:@"groupid"], [talkDict objectForKey:@"groupname"] ]; //插入数据使用OC中的类型 text对应为NSString integer对应为NSNumber的整形 manager = [[PTDBManage alloc] init]; BOOL success = [[manager startDB] executeUpdate:sqlCode]; if(success){ NSLog(@"---------insert DB sucess-----------"); }else{ NSLog(@"---------insert DB faile------------"); } [manager endDB]; }}-(void)cReturnDown{ UIView *tempV = (UIView *)[self.view viewWithTag:6500]; [UIView animateWithDuration:0.2 animations:^{ [tempV setFrame:CGRectMake(0, self.view.frame.size.height-150, self.view.frame.size.width, 150)]; } completion:^(BOOL finished){}];}//获得当前时间-(NSString *)cAcquireNowTime:(NSString *)timestamp{ NSDate *timeData = [NSDate dateWithTimeIntervalSince1970:[timestamp intValue]]; NSDateFormatter *dateFormatter =[[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"yyyy年M月d日 HH:mm"]; NSString *strTime = [dateFormatter stringFromDate:timeData]; [dateFormatter setDateFormat:@"HH:mm"]; NSString *strTimeTwo = [dateFormatter stringFromDate:timeData]; [dateFormatter setDateFormat:@"yyyy"]; NSString *strYear = [dateFormatter stringFromDate:timeData]; [dateFormatter setDateFormat:@"M"]; NSString *strMonth = [dateFormatter stringFromDate:timeData]; [dateFormatter setDateFormat:@"d"]; NSString *strDay = [dateFormatter stringFromDate:timeData]; if([timestamp isEqualToString:@""]){ return @""; }else{ if(![strDay isEqualToString:[self cNowTimestamp:@"d"]]){ return strTime; }else if([strYear isEqualToString:[self cNowTimestamp:@"yyyy"]] && [strMonth isEqualToString:[self cNowTimestamp:@"M"]] && [strDay isEqualToString:[self cNowTimestamp:@"d"]]){ return strTimeTwo; } } return strTime;}//当前时间的时间戳_日-(NSString *)cNowTimestamp:(NSString *)theMark{ long int timeSp = [self cNowTimestamp]; NSDate *timeData = [NSDate dateWithTimeIntervalSince1970:timeSp]; NSDateFormatter *dateFormatter =[[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:theMark]; NSString *strTime = [dateFormatter stringFromDate:timeData]; return strTime;}//Cell自适应高度-(CGRect)cAdaptCellHeight:(NSString *)theStr{ NSString *desContent = theStr; //获取文本内容 CGRect orgRect = CGRectMake(0, 0, 0, 0); //获取原始UITextView的frame CGSize size = [desContent sizeWithFont:[UIFont systemFontOfSize:15] constrainedToSize:CGSizeMake(230-20, 2000) lineBreakMode:NSLineBreakByWordWrapping]; orgRect.size.height = size.height; return orgRect;}//发送消息块 移动-(void)cMoveLocation{ CGRect sendRect = _gSendV.frame; sendRect.origin.y = self.view.frame.size.height - _gKeyBoardH-_gSendV.frame.size.height; CGRect tvrect = self.gTVrect; tvrect.size.height = tvrect.size.height - _gKeyBoardH; [UIView animateWithDuration:0.25 animations:^{ [_gSendV setFrame:sendRect]; [_gProcessTV setFrame:tvrect]; } completion:^(BOOL finished){}]; [_gProcessTV setContentOffset:CGPointMake(0, 0) animated:YES];}//发送消息块 归位-(void)cReturnLocation{ CGRect tempRect = _gSendV.frame; tempRect.origin.y = self.view.frame.size.height-_gSendV.frame.size.height; [self.view endEditing:YES]; [_gProcessTV setFrame:self.gTVrect]; [_gProcessTV reloadData]; [UIView animateWithDuration:0.25 animations:^{ [_gSendV setFrame:tempRect]; } completion:^(BOOL finished){ _gKeyBoardH = 0; }];}//当键盘出现或改变时调用- (void)keyboardWillShow:(NSNotification *)aNotification{ NSDictionary *userInfo = [aNotification userInfo]; NSValue *aValue = [userInfo objectForKey:UIKeyboardFrameEndUserInfoKey]; CGRect keyboardRect = [aValue CGRectValue]; int height = keyboardRect.size.height; _gKeyBoardH = height; [self cMoveLocation];}//当键退出时调用- (void)keyboardWillHide:(NSNotification *)aNotification{ [self cReturnLocation];}#pragma mark UITextViewDelegate- (void)textViewDidChange:(UITextView *)textView{ if (textView.tag == 4200) { CGSize textSize = textView.contentSize; textSize.height = textSize.height + 8; [textView setContentSize:textSize]; [self cMessageSend:textView.contentSize.height]; }}#pragma mark UITableViewDataSource- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{ [self.gCellHeightArr removeAllObjects]; return 1;}- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ //从数据库获取数据 [self cTalkTVRowAction]; NSInteger returnRow; returnRow = [self.gMessageInfo count]; return returnRow;}//数据准备-(void)cTalkTVRowAction{ NSMutableArray *sqlMarr = [[NSMutableArray alloc] init]; FMResultSet *rs; NSString *myID = _gMyObjectID; //sql语句 NSString *sqlCode = [NSString stringWithFormat:@"select * from UserTalk where (Tsend_uid='%@' and Treceive_uid='%@' and Fuserid = '%@' and UGroupId='%@') or (Tsend_uid='%@' and Treceive_uid='%@' and Fuserid = '%@' and UGroupId='%@') order by Taddtime Desc",myID,_gObjectID,_gUserid,@"0",_gObjectID,myID,_gUserid,@"0"]; PTDBManage* manager = [[PTDBManage alloc] init]; rs = [[manager startDB] executeQuery:sqlCode]; //判断结果集中是否有数据，如果有则取出数据 while ([rs next]) { NSMutableDictionary *tempdict = [[NSMutableDictionary alloc] init]; [tempdict setObject:[NSString stringWithFormat:@"%d",[rs intForColumn:@"Tid"]] forKey:@"id"]; [tempdict setObject:[NSString stringWithFormat:@"%d",[rs intForColumn:@"Ttype"]] forKey:@"type"]; [tempdict setObject:[rs stringForColumn:@"Tsend_uid"] forKey:@"send_uid"]; [tempdict setObject:[rs stringForColumn:@"Tsend_uname"] forKey:@"send_uname"]; [tempdict setObject:[rs stringForColumn:@"Treceive_uid"] forKey:@"receive_uid"]; [tempdict setObject:[NSString stringWithFormat:@"%d",[rs intForColumn:@"Fuserid"]] forKey:@"userid"]; //转换为特殊字符 NSString *strContent = [rs stringForColumn:@"Tcontent"]; [tempdict setObject:strContent forKey:@"content"]; [tempdict setObject:[NSString stringWithFormat:@"%d",[rs intForColumn:@"Taddtime"]] forKey:@"addtime"]; [tempdict setObject:[NSString stringWithFormat:@"%d",[rs intForColumn:@"Trectime"]] forKey:@"rectime"]; [tempdict setObject:[NSString stringWithFormat:@"%d",[rs intForColumn:@"Tsend"]] forKey:@"send"]; [tempdict setObject:[NSString stringWithFormat:@"%d",[rs intForColumn:@"TfileInfo"]] forKey:@"fileinfo"]; [tempdict setObject:[NSString stringWithFormat:@"%d",[[rs stringForColumn:@"UGroupId"] integerValue]] forKey:@"groupid"]; [tempdict setObject:[rs stringForColumn:@"UGroupName"] forKey:@"groupname"]; //将查询到的数据放入数组中。 [sqlMarr addObject:tempdict]; } [rs close]; [manager endDB]; //点击查看更多 NSInteger tempInt = 15*_leftPageNum; if([sqlMarr count] > tempInt ){ self.gMessageInfo = [[sqlMarr subarrayWithRange:NSMakeRange(0, tempInt)] mutableCopy]; //点击加载更多 [self startLoadingAction]; }else{ //加载完成 self.gMessageInfo = sqlMarr; [self stopLoadingAction]; } if(self.gMessageInfo.count < 15){ [_gProcessTV.tableFooterView setHidden:YES]; }else{ [_gProcessTV.tableFooterView setHidden:NO]; } //5分钟内时间清空 for (int i = self.gMessageInfo.count-1; i >= 0; i --) { NSDictionary *idict = [self.gMessageInfo objectAtIndex:i]; NSString *iaddtime = [idict objectForKey:@"addtime"]; NSInteger oldtime = [iaddtime integerValue]; for (int j = i-1 ; j >= 0 ; j --) { NSDictionary *jdict = [self.gMessageInfo objectAtIndex:j]; NSString *jaddtime = [jdict objectForKey:@"addtime"]; NSInteger newtime = [jaddtime integerValue]; if((oldtime-newtime)>300 || (newtime-oldtime)>300){ }else{ [jdict setValue:@"" forKey:@"addtime"]; } } }}//TV- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ static NSString *cellIdentifier=@"GroupMessageCell"; GroupMessageCell *cell=[tableView dequeueReusableCellWithIdentifier:cellIdentifier]; [cell releaseAction]; if (!cell) { cell = (GroupMessageCell*)[[[NSBundle mainBundle] loadNibNamed:@"GroupMessageCell" owner:nil options:nil] objectAtIndex:0]; cell.backgroundColor=[UIColor clearColor]; cell.selectionStyle = UITableViewCellSelectionStyleNone; } float cellHeight = [tableView rectForRowAtIndexPath:indexPath].size.height; NSDictionary *cellDict = (NSDictionary *)[self.gMessageInfo objectAtIndex:indexPath.row]; if(cellDict){ BOOL result = NO; if([[cellDict objectForKey:@"send_uid"] isEqualToString:_gMyObjectID]){ result = YES; } //文本 if([[cellDict objectForKey:@"type"] intValue] == 1){ [cell cProcessMessageTime:[self cAcquireNowTime:[cellDict objectForKey:@"addtime"] ] andInfo:[cellDict objectForKey:@"content"] andIsMy:result andInfoHeight:cellHeight andSend:[cellDict objectForKey:@"send"] andTalkID:_gObjectID andSendName:[cellDict objectForKey:@"send_uname"]]; //图片 }else if ([[cellDict objectForKey:@"type"] intValue] == 2){ [cell cProcessMessageTime:[self cAcquireNowTime:[cellDict objectForKey:@"addtime"] ] andPicture:[cellDict objectForKey:@"content"] andIsMy:result andInfoHeight:cellHeight andSend:[cellDict objectForKey:@"send"] andTalkID:_gObjectID andSendName:[cellDict objectForKey:@"send_uname"]]; //语音 }else if([[cellDict objectForKey:@"type"] intValue] == 3){ [cell cProcessMessageTime:[self cAcquireNowTime:[cellDict objectForKey:@"addtime"] ] andVoicePath:[cellDict objectForKey:@"content"] andIsMy:result andInfoHeight:cellHeight andSend:[cellDict objectForKey:@"send"] andTalkID:_gObjectID andSendName:[cellDict objectForKey:@"send_uname"] andFileInfo:[[cellDict objectForKey:@"fileinfo"] intValue]]; }else{ [cell hidnViewAction]; } } [cell setTransform:CGAffineTransformMakeRotation(M_PI)]; return cell;}#pragma mark UITableViewDelegate- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{ float returnHeight = 44; if([self.gMessageInfo count]<15){ NSDictionary *cellDict = (NSDictionary *)[self.gMessageInfo objectAtIndex:indexPath.row]; if(cellDict){ if ([[cellDict objectForKey:@"type"] intValue] == 2){ UIImage *teImg = [UIImage imageWithContentsOfFile:[cellDict objectForKey:@"content"]]; UIImage *tempImg = teImg; if(tempImg.size.height > 100){ returnHeight = 100+50; }else{ returnHeight = tempImg.size.height; if(returnHeight<50){ returnHeight = 50+50; }else{ returnHeight = returnHeight +50; } } //语音 }else if([[cellDict objectForKey:@"type"] intValue] == 3){ returnHeight = 20+50; }//文本 else{ NSString *tempStr = [cellDict objectForKey:@"content"]; //原因是从XML中读取出来的"\n"，系统认为是字符串，会默认转换为"\\n"，所以当显示的时候就是字符串了，要想显示换行，需要自己手动将"\\n"转换为"\n"，这样才能换行. NSString*b =[tempStr stringByReplacingOccurrencesOfString:@"\\n" withString:@"\n"]; CGRect tempFrame = [self cAdaptCellHeight:b]; returnHeight = tempFrame.size.height+50; } }else{ } [self.gCellHeightArr addObject:[NSNumber numberWithFloat:returnHeight]]; }else{ NSDictionary *cellDict = (NSDictionary *)[self.gMessageInfo objectAtIndex:indexPath.row]; if(cellDict){ if ([[cellDict objectForKey:@"type"] intValue] == 2){ UIImage *teImg = [UIImage imageWithContentsOfFile:[cellDict objectForKey:@"content"]]; UIImage *tempImg = teImg; if(tempImg.size.height > 100){ returnHeight = 100+50; }else{ returnHeight = tempImg.size.height; if(returnHeight<50){ returnHeight = 50+50; }else{ returnHeight = returnHeight +50; } } //语音 }else if([[cellDict objectForKey:@"type"] intValue] == 3){ returnHeight = 20+50; //文本 }else{ NSString *tempStr = [cellDict objectForKey:@"content"]; NSString*b =[tempStr stringByReplacingOccurrencesOfString:@"\\n" withString:@"\n"]; CGRect tempFrame = [self cAdaptCellHeight:b]; returnHeight = tempFrame.size.height+50; } }else{ } [self.gCellHeightArr addObject:[NSNumber numberWithFloat:returnHeight]]; } returnHeight = returnHeight + 15; return returnHeight;}//正在加载- (IBAction)loadingMoreAction:(id)sender { [_tapLoadBut setTitle:@"点击加载更多" forState:UIControlStateNormal]; [_tapLoadBut setHidden:YES]; [_loadingView setHidden:NO]; _leftPageNum = _leftPageNum + 1; [_gProcessTV reloadData]; }//点击加载更多-(void)startLoadingAction{ [_tapLoadBut setTitle:@"点击加载更多" forState:UIControlStateNormal]; [_tapLoadBut setUserInteractionEnabled:YES]; [_tapLoadBut setHidden:NO]; [_loadingView setHidden:YES];}//加载完成-(void)stopLoadingAction{ [_tapLoadBut setTitle:@"加载完成" forState:UIControlStateNormal]; [_tapLoadBut setUserInteractionEnabled:NO]; [_tapLoadBut setHidden:NO]; [_loadingView setHidden:YES];}//判断字符串不全为空-(BOOL)judgeStringIsNull:(NSString *)string{ BOOL result = NO; if(string != nil && string.length > 0){ for (int i = 0; i < string.length; i ++) { NSString *subStr = [string substringWithRange:NSMakeRange(i, 1)]; if(![subStr isEqualToString:@" "] && ![subStr isEqualToString:@""]){ result = YES; } } } return result;}//当前时间的时间戳-(long int)cNowTimestamp{ NSDate *newDate = [NSDate date]; long int timeSp = (long)[newDate timeIntervalSince1970]; return timeSp;}- (NSString*)getUserMessagePictureFileSavePath{ NSString *path = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/Message"]; NSString *filePath = [path stringByAppendingPathComponent:@"Pictures"]; if (![[NSFileManager defaultManager] fileExistsAtPath:filePath]) { [[NSFileManager defaultManager] createDirectoryAtPath:filePath withIntermediateDirectories:YES attributes:nil error:nil]; } return filePath;}- (NSString*)getUserMessageAudioFileSavePath{ NSString *path = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/Message"]; NSString *filePath = [path stringByAppendingPathComponent:@"Audios"]; if (![[NSFileManager defaultManager] fileExistsAtPath:filePath]) { [[NSFileManager defaultManager] createDirectoryAtPath:filePath withIntermediateDirectories:YES attributes:nil error:nil]; } return filePath;}- (NSString *)fetchSystemVersion{ return [[UIDevice currentDevice] systemVersion];}@end示图：
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