-(NSArray *)getdataFromDatabase
{
NSString *path = [self getDBPath];
NSLog(@"path ==== %@",path);
NSLog(@"self.getDBPath == %@",[self getDBPath]);
FMDatabase *membersDB = [FMDatabase databaseWithPath:path];
if (![membersDB open]) {
NSLog(@"Failed to open membersDB");
return nil;
[membersDB close];
}
NSMutableArray *array = [NSMutableArray array];
FMResultSet *rs = [membersDB executeQuery:@"SELECT * FROM Member"];//这里数组为空 容易出错
<pre name="code" class="objc"> <span style="color:#FF0000;">
Member *member = [[Member alloc]init];
while ([rs next])
{ member.name = [rs stringForColumn:@"Name"];
member.age = [rs intForColumn:@"Age"];
member.sex = [rs intForColumn:@"Sex"];
member.height = [rs intForColumn:@"Height"]; member.Weight = [rs intForColumn:@"Weight"];
member.icon = [UIImage imageWithData:[rs dataForColumn:@"Photo"]];
NSLog(@"member.name ============= %@",member.name);
[array addObject:member];</span>
}
[membersDB close];<span style="color:#FF0000;">
NSLog(@"array[0] == %@,\narray[1] == %@,\narray[2]==%@",[array[0] name],[array[1] name],[array[2] name]);</span>
return [array copy];
}
</span> 
-(NSArray *)getdataFromDatabase
{
NSString *path = [self getDBPath];
NSLog(@"path ==== %@",path);
NSLog(@"self.getDBPath == %@",[self getDBPath]);
FMDatabase *membersDB = [FMDatabase databaseWithPath:path];
if (![membersDB open]) {
NSLog(@"Failed to open membersDB");
return nil;
[membersDB close];
}
NSMutableArray *array = [NSMutableArray array];
FMResultSet *rs = [membersDB executeQuery:@"SELECT * FROM Member"];//这里数组为空 容易出错
while ([rs next])
{
<pre name="code" class="objc"> <span style="color:#FF0000;">Member *member = [[Member alloc]init];</span> member.name = [rs stringForColumn:@"Name"];
member.age = [rs intForColumn:@"Age"];
member.sex = [rs intForColumn:@"Sex"];
member.height = [rs intForColumn:@"Height"]; member.Weight = [rs intForColumn:@"Weight"];
member.icon = [UIImage imageWithData:[rs dataForColumn:@"Photo"]];
NSLog(@"member.name ============= %@",member.name);
[array addObject:member];</span>
}
[membersDB close];<span style="color:#FF0000;">
NSLog(@"array[0] == %@,\narray[1] == %@,\narray[2]==%@",[array[0] name],[array[1] name],[array[2] name]);</span>
return [array copy];
}
项目中遇到的问题解决：深刻认识到类的初始化,布布扣,bubuko.com
原文：http://blog.csdn.net/feixiang_song/article/details/37528885