// // NSString+FFDBExtern.m // FFDB // // Created by Fidetro on 2017/7/23. // Copyright © 2017年 Fidetro. All rights reserved. // #import "NSString+FFDBExtern.h" #import "FFDataBaseModel+Custom.h" @implementation NSString (FFDBExtern) + (NSString *)stringWithColumns:(NSArray *)columns { NSMutableString *columnsString = [NSMutableString string]; for (NSInteger index = 0; index < columns.count; index++) { NSString *column = columns[index]; if (index == 0) { [columnsString appendString:column]; } else { [columnsString appendFormat:@",%@",column]; } } return [columnsString copy]; } + (NSString *)stringWithTableNameOfClasses:(NSArray *)dbClasses { NSMutableString *classesString = [NSMutableString string]; for (NSInteger index = 0; index < dbClasses.count; index++) { Class class = dbClasses[index]; NSString *tableName = [class tableName]; if (index == 0) { [classesString appendFormat:@"`%@`",tableName]; } else { [classesString appendFormat:@",`%@`",tableName]; } } return [classesString copy]; } /** fix property NSUInteger bug */ - (unsigned long long)unsignedLongLongValue { return self.longLongValue; } /** fix bool with 32 bit on ios problem https://stackoverflow.com/questions/31267325/bool-with-64-bit-on-ios/31270249#31270249 */ - (BOOL)charValue { if ([self boolValue] == YES) { return YES; }else { return NO; } } @end