SingData.m 834 B

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  1. //
  2. // SingData.m
  3. // jiaPei
  4. //
  5. // Created by 张嵘 on 2019/8/27.
  6. // Copyright © 2019 JCZ. All rights reserved.
  7. //
  8. #import "SingData.h"
  9. #import "FMDatabaseAdditions.h"
  10. @implementation SingData
  11. static SingData* instance =nil;
  12. + (SingData*)getInstance {
  13. static dispatch_once_t onceToken;
  14. dispatch_once(&onceToken, ^{
  15. instance = [[self alloc]init];
  16. [instance loadData];
  17. });
  18. return instance;
  19. }
  20. - (FMDatabase *)db{
  21. [_db open];
  22. return _db;
  23. }
  24. - (void)loadData{
  25. NSString *dbPath = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject] stringByAppendingPathComponent:[NSString stringWithFormat:@"dyhapp.db"]];
  26. _db = [FMDatabase databaseWithPath:dbPath];
  27. self.queue = [FMDatabaseQueue databaseQueueWithPath:dbPath];
  28. NSLog(@"数据库path-----%@",dbPath);
  29. [_db open];
  30. }
  31. @end