Java properties文件的xml形式

阳光穿透心脏的1/2处 2022-06-16 08:45 183阅读 0赞

想必大家都用过\*.properties文件，作为配置文件。但是，如果该文件写入了中文，待编译后内容就会成为乱码，使用native命令也好、使用ant执行编码转换也好，多少有点麻烦，与其如此，我们不如直接使用properties的xml格式。

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    </div> </td> 
   <td style="margin:0px; padding:3px; border:1px solid silver; border-collapse:collapse"> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&lt;?</code> 
     <code style="margin:0px; padding:0px">xml</code>&nbsp; 
     <code style="margin:0px; padding:0px">version</code> 
     <code style="margin:0px; padding:0px">=</code> 
     <code style="margin:0px; padding:0px">"1.0"</code>&nbsp; 
     <code style="margin:0px; padding:0px">encoding</code> 
     <code style="margin:0px; padding:0px">=</code> 
     <code style="margin:0px; padding:0px">"UTF-8"</code> 
     <code style="margin:0px; padding:0px">?&gt;</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&lt;!DOCTYPE properties SYSTEM "<a href="http://java.sun.com/dtd/properties.dtd" style="margin:0px; padding:0px; color:rgb(7,93,179)" rel="nofollow">http://java.sun.com/dtd/properties.dtd</a>"&gt;</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&lt;</code> 
     <code style="margin:0px; padding:0px">properties</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">&lt;</code> 
     <code style="margin:0px; padding:0px">comment</code> 
     <code style="margin:0px; padding:0px">&gt;系统配置&lt;/</code> 
     <code style="margin:0px; padding:0px">comment</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">&lt;</code> 
     <code style="margin:0px; padding:0px">entry</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">key</code> 
     <code style="margin:0px; padding:0px">=</code> 
     <code style="margin:0px; padding:0px">"logo.location"</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
     <code style="margin:0px; padding:0px">&lt;![CDATA[/image/logo/]]&gt;</code> 
     <code style="margin:0px; padding:0px">&lt;/</code> 
     <code style="margin:0px; padding:0px">entry</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">&lt;</code> 
     <code style="margin:0px; padding:0px">entry</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">key</code> 
     <code style="margin:0px; padding:0px">=</code> 
     <code style="margin:0px; padding:0px">"mail.host"</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
     <code style="margin:0px; padding:0px">&lt;![CDATA[webmaster@zlex.org]]&gt;</code> 
     <code style="margin:0px; padding:0px">&lt;/</code> 
     <code style="margin:0px; padding:0px">entry</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">&lt;</code> 
     <code style="margin:0px; padding:0px">entry</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">key</code> 
     <code style="margin:0px; padding:0px">=</code> 
     <code style="margin:0px; padding:0px">"site.name"</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
     <code style="margin:0px; padding:0px">&lt;![CDATA[zlex中文网站]]&gt;</code> 
     <code style="margin:0px; padding:0px">&lt;/</code> 
     <code style="margin:0px; padding:0px">entry</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
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    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">&lt;</code> 
     <code style="margin:0px; padding:0px">entry</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">key</code> 
     <code style="margin:0px; padding:0px">=</code> 
     <code style="margin:0px; padding:0px">"welcome"</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
     <code style="margin:0px; padding:0px">&lt;![CDATA[欢迎您，{0}！]]&gt;</code> 
     <code style="margin:0px; padding:0px">&lt;/</code> 
     <code style="margin:0px; padding:0px">entry</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&lt;/</code> 
     <code style="margin:0px; padding:0px">properties</code> 
     <code style="margin:0px; padding:0px">&gt;</code> 
    </div> </td> 
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</table>

对应原有的properties文件

这里需要替换\{0\}，可以使用MessageFormat，参考如下代码：

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    </div> </td> 
   <td style="margin:0px; padding:3px; border:1px solid silver; border-collapse:collapse"> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">private</code>&nbsp; 
     <code style="margin:0px; padding:0px">FileInputStream fis;</code> 
    </div> 
    <div style="margin:0px; padding:0px">
      &nbsp; 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">@Before</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">public</code>&nbsp; 
     <code style="margin:0px; padding:0px">void</code>&nbsp; 
     <code style="margin:0px; padding:0px">init() { </code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">try</code>&nbsp; 
     <code style="margin:0px; padding:0px">{ </code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">fis =&nbsp;</code> 
     <code style="margin:0px; padding:0px">new</code>&nbsp; 
     <code style="margin:0px; padding:0px">FileInputStream(</code> 
     <code style="margin:0px; padding:0px">new</code>&nbsp; 
     <code style="margin:0px; padding:0px">File(</code> 
     <code style="margin:0px; padding:0px">"config.xml"</code> 
     <code style="margin:0px; padding:0px">));</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">}&nbsp;</code> 
     <code style="margin:0px; padding:0px">catch</code>&nbsp; 
     <code style="margin:0px; padding:0px">(Exception e) { </code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">e.printStackTrace();</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">fail(e.getMessage());</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">}</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">}</code> 
    </div> 
    <div style="margin:0px; padding:0px">
      &nbsp; 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">@Test</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">public</code>&nbsp; 
     <code style="margin:0px; padding:0px">void</code>&nbsp; 
     <code style="margin:0px; padding:0px">t() { </code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">Properties properties =&nbsp;</code> 
     <code style="margin:0px; padding:0px">new</code>&nbsp; 
     <code style="margin:0px; padding:0px">Properties();</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">try</code>&nbsp; 
     <code style="margin:0px; padding:0px">{ </code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">properties.loadFromXML(fis);</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">System.err.println(MessageFormat.format(</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">(String) properties.get(</code> 
     <code style="margin:0px; padding:0px">"welcome"</code> 
     <code style="margin:0px; padding:0px">),&nbsp;</code> 
     <code style="margin:0px; padding:0px">"snowolf"</code> 
     <code style="margin:0px; padding:0px">));</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">}&nbsp;</code> 
     <code style="margin:0px; padding:0px">catch</code>&nbsp; 
     <code style="margin:0px; padding:0px">(Exception e) { </code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">e.printStackTrace();</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">fail(e.getMessage());</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">}</code> 
    </div> 
    <div style="margin:0px; padding:0px"> 
     <code style="margin:0px; padding:0px">&nbsp;&nbsp;&nbsp;&nbsp;</code> 
     <code style="margin:0px; padding:0px">}</code> 
    </div> </td> 
  </tr> 
 </tbody> 
</table>

得到控制台输出：