UIWebView 相应本地事件

最新推荐文章于 2025-08-22 17:35:53 发布

最新推荐文章于 2025-08-22 17:35:53 发布 · 74 阅读

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    Objective-c代码
    
  
 -(BOOL)webView:(UIWebView*)webViewshouldStartLoadWithRequest:(NSURLRequest*)requestnavigationType:(UIWebViewNavigationType)navigationType{ 
  AppDelegate*appDelegate=( AppDelegate*)[[UIApplicationsharedApplication]delegate]; 
 if(navigationType==UIWebViewNavigationTypeLinkClicked){ 
 NSURL*URL=[requestURL]; 
 NSLog([URLscheme]); 
 NSLog([URLabsoluteString]); 
  
 //codehereandcallthedelegatemethod 
  
  
 NSAutoreleasePool*pool=[[NSAutoreleasePoolalloc]init]; 
 BOOLaudioResult=FALSE; 
 NSFileManager*fileManager=[NSFileManagerdefaultManager]; 
 //checkiffileexistedincachefolder 
 NSArray*cache=NSSearchPathForDirectoriesInDomains(NSCachesDirectory,NSUserDomainMask,YES); 
 NSString*cachePath=[cacheobjectAtIndex:0]; 
 NSString*filepath; 
  
 filepath=[cachePathstringByAppendingPathComponent:[audioIdstringByAppendingString:@".wav"]]; 
  
 if([fileManagerfileExistsAtPath:filepath]==YES){ 
 [selfplayVoice:filepath]; 
 } 
 else 
 { 
 audioResult=[appDelegatesaveAudio:audioId]; 
 if(audioResult==YES) 
 { 
 //NSLog(@"Speaktheaudiobythepath=%@",filepath); 
 [selfplayVoice:filepath]; 
 } 
 } 
 [poolrelease]; 
  
  
  
 [appDelegatesaveAudio:gotFM]; 
  
 } 

保存声音的方法：

    Objective-c代码
    
  
 -(BOOL)saveAudio:(NSString*)key 
 { 
 NSLog(key); 
 BOOLsaveSuccess=FALSE; 
 NSString*dbPath=[[[NSBundlemainBundle]resourcePath]stringByAppendingPathComponent:@"testVoice.db"]; 
  
 if(sqlite3_open([dbPathUTF8String],&database_voice)==SQLITE_OK) 
 { 
  
 NSString*sqlString=[NSStringstringWithFormat:@"select*fromtb_voicewhereid='%@'",key]; 
 NSLog(sqlString); 
 constchar*sql_char=[sqlStringUTF8String]; 
 //preparetheselectstatement 
 intreturnValue=sqlite3_prepare_v2(database_voice,sql_char,-1,&selectStatement,NULL); 
 if(returnValue==SQLITE_OK) 
 { 
 //loopalltherowsreturnedbythequery. 
 if(sqlite3_step(selectStatement)==SQLITE_ROW) 
 { 
  
 NSFileManager*fileManager=[NSFileManagerdefaultManager]; 
 NSArray*cache=NSSearchPathForDirectoriesInDomains(NSCachesDirectory,NSUserDomainMask,YES); 
 NSString*cachePath=[cacheobjectAtIndex:0]; 
  
  
 NSString*filename=[NSStringstringWithUTF8String:(char*)sqlite3_column_text(selectStatement,0)]; 
 ////NSLog(filename); 
  
 NSData*fileData=[NSDatadataWithBytes:sqlite3_column_blob(selectStatement,2)length:sqlite3_column_bytes(selectStatement,2)]; 
 //savethefiledata 
  
 //check 
 NSString*filepath=[cachePathstringByAppendingPathComponent:filename]; 
  
 filepath=[filepathstringByAppendingString:@".wav"]; 
 if([fileManagercreateDirectoryAtPath:cachePathattributes:nil]==NO){ 
 ////NSLog(@"fileManagercreateDirectoryAtPath:cachePathattributes:nil"); 
 } 
  
 if([fileDatawriteToFile:filepathatomically:YES]){ 
 saveSuccess=TRUE; 
 //NSLog(@"saveSuccess"); 
 ////NSLog(@"returnValue"); 
 } 
 else 
 { 
 //NSLog(@"saveFail"); 
 } 
 } 
 sqlite3_finalize(selectStatement); 
 } 
 } 
 returnsaveSuccess; 
 }  