添加了数据库支持指定文件路径，满足多用户多库的文件层级结构

CTPersistance/CTPersistance/Database/CTPersistanceDataBase.m

@@ -30,7 +30,13 @@ - (instancetype)initWithDatabaseName:(NSString *)databaseName error:(NSError *__
         self.databaseName = databaseName;
         self.databaseFilePath = [[NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES) firstObject] stringByAppendingPathComponent:databaseName];
 
-        BOOL isFileExists = [[NSFileManager defaultManager] fileExistsAtPath:self.databaseFilePath];
+        NSString *checkFilePath = [self.databaseFilePath stringByDeletingLastPathComponent];
+        NSFileManager *defaultFileManager = [NSFileManager defaultManager];
+        if (![defaultFileManager fileExistsAtPath:checkFilePath]) {
+            [defaultFileManager createDirectoryAtPath:checkFilePath withIntermediateDirectories:YES attributes:nil error:nil];
+        }
+
+        BOOL isFileExists = [defaultFileManager fileExistsAtPath:self.databaseFilePath];
 
         const char *path = [self.databaseFilePath UTF8String];
         int result = sqlite3_open_v2(path, &_database,

CTPersistance/Test/TestModel/Table/TestTable.m

@@ -19,7 +19,12 @@ - (NSString *)tableName
 
 - (NSString *)databaseName
 {
+    //you can use like:
     return @"testdatabase.sqlite";
+
+    //Or
+    //return @"User/Shopping/testdatabase.sqlite";
+
 }
 
 - (NSDictionary *)columnInfo

README.md

@@ -47,7 +47,11 @@ go to `Build Phases` and add `sqlite3` into your library list.
 #pragma mark - CTPersistanceTableProtocol
 - (NSString *)databaseName
 {
-    return @"TestDataBase.sqlite";
+    //you can use like:
+    return @"testdatabase.sqlite";
+
+    //Or
+    //return @"User/Shopping/testdatabase.sqlite";
 }
 
 - (NSString *)tableName