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在java中格式化字符串
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Stack Overflow用户
提问于 2013-12-29 19:49:19
回答 2查看 459关注 0票数 0

我想将状态消息打印到控制台。

代码语言:javascript
复制
   System.out.format("%-60s%10s\n", "Status 1", "[Success]");
            System.out.format("%-60s%10s\n", "Status 2", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2 and some text", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2", "[Success]");
            System.out.format("%-60s%10s\n", "Status 2 and some very long text", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2", "[Success]");
            System.out.format("%-60s%10s\n", "Status 2 and some very very very long text", "[Failed]");
            System.out.format("%-60s%10s\n", "Status 2", "[Success]");
            System.out.format("%-60s%10s\n", "Status 2", "[Failed]");

但如您所见,第二列消息的格式不正确。

代码语言:javascript
复制
Status 1                                                     [Success]
Status 2                                                      [Failed]
Status 2                                                      [Failed]
Status 2 and some text                                        [Failed]
Status 2                                                      [Failed]
Status 2                                                     [Success]
Status 2 and some very long text                              [Failed]
Status 2                                                     [Success]
Status 2 and some very very very long text                    [Failed]
Status 2                                                     [Success]
Status 2                                                      [Failed]

我想像这样打印消息:

代码语言:javascript
复制
Status 1                                                      [Success]
Status 2                                                      [Failed]
Status 2                                                      [Failed]
Status 2 and some text                                        [Failed]
Status 2                                                      [Failed]
Status 2                                                      [Success]
Status 2 and some very long text                              [Failed]
Status 2                                                      [Success]
Status 2 and some very very very long text                    [Failed]
Status 2                                                      [Success]
Status 2                                                      [Failed]

我怎么能做到这一点?

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回答 2

Stack Overflow用户

发布于 2013-12-29 20:27:21

为什么不添加"-"使最后一个字段左对齐,作为第一个字段?我想"%-60s%-10s\n"会起作用。

票数 2
EN

Stack Overflow用户

发布于 2013-12-30 00:33:19

你可以试试这段代码

代码语言:javascript
复制
  System.out.format("%-60s%.10s\n", "Status 1", "[Success]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2 and some text", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Success]");
    System.out.format("%-60s%.10s\n", "Status 2 and some very long text", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Success]");
    System.out.format("%-60s%.10s\n", "Status 2 and some very very very long text", "[Failed]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Success]");
    System.out.format("%-60s%.10s\n", "Status 2", "[Failed]");
票数 0
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页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/20827333

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