进行数据库操作的时候，有时候会报错

SQLite Step Failed: attempt to write a readonly database

NSString *path = [self getFullDatabasePathFromFileName:@"AppData.db"];

_database = [[FMDatabase alloc] initWithPath:path];

if ([_database open]) {

[self creatTable];

}else{

DLog(@"open database:%@",[_database lastErrorMessage]);

}

#pragma mark - 获取数据库文件的全路径

- (NSString *)getFullDatabasePathFromFileName:(NSString *)name{

NSString *path = NSHomeDirectory();

NSString *docPath = [path stringByAppendingPathComponent:@"Documents"];

NSFileManager *fm = [NSFileManager defaultManager];

if ([fm fileExistsAtPath:docPath]) {

return [docPath stringByAppendingFormat:@"/%@",name];

}else{

DLog(@"Documents不存在");

return nil;

}

}

（编辑：李大同）

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