ios知识点的总结

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        NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

        NSString *path=[paths objectAtIndex:0];

        NSString *dest=[path stringByAppendingPathComponent:@" "];

        NSLog(@"%@",tmpContent);

        [self loadHTMLString:tmpContent baseURL:[NSURL fileURLWithPath:dest]];

上面红字体的解释：

若用 stringByAppendingString  则需要手动在名称前加 “/”符号，而stringByAppendingPathComponent则不需要，它会自动添加

stringByAppendingPathComponent和stringByAppendingString的区别：

 NSString *imagePath = [skinPath stringByAppendingString:[NSString stringWithFormat:@"/%@",imageName]];//stringByAppendingString是在skinPath加后缀的意思
    NSString *imagePath = [skinPath stringByAppendingPathComponent:imageName];//stringByAppendingPathComponent是在skinPath后面加上“／”号连接imageName让它成为完整的路径
    NSLog(@"imagePath:%@",imagePath);

打印： 

2013-11-27 14:44:30.052 Willing[2757:70b] imagePath:/Users/will/Library/Application Support/iPhone Simulator/7.0.3/Applications/DA5B603D-4D07-4425-B7CC-5D49232189BE/Willing.app/tabbar_home.png

ios知识点的总结

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原文地址：http://www.cnblogs.com/IOS-FU/p/4047696.html