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我试图在没有任何成功的情况下附加文本，直到我尝试了这个：

NSString *n_result = @"";
n_result = [n_result stringByAppendingString:[NSString stringWithFormat:@"The number "]];
    n_result = [n_result stringByAppendingString:[NSString stringWithFormat:@"%@ ", n_analyze]];
    n_result = [n_result stringByAppendingString:[NSString stringWithFormat:@", has "]];
    n_result = [n_result stringByAppendingString:[NSString stringWithFormat:@"%i ", steps]];
    n_result = [n_result stringByAppendingString:[NSString stringWithFormat:@"steps to reach 1"]];

问题是，必须有一种更简单的方法来做到这一点。但我不知道怎么做。谁能帮我这个？我一直在到处寻找如何“更好”地做到这一点。

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2 回答 2

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[NSString stringWithFormat:@"The number %@ , has %i steps to reach 1", n_analyze, steps]

于 2013-05-09T23:11:03.707 回答
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是的，有一个稍微简单的方法。使用一个实例NSMutableString

NSMutableString *mutableString = [NSMutableString stringWithFormat:@"The number "];
[mutableString appendFormat:@"%@ ", n_analyze];

// etc..
于 2013-05-09T23:12:32.167 回答