技术开发 频道

高手解析Java实现中文排序

  【IT168 技术文档】第一种情况:

  Comparator cmp = Collator.getInstance(java.util.Locale.CHINA);   String[] arr = { "张三", "李四", "王五", "刘六" };   Arrays.sort(arr, cmp);   for (int i = 0; i < arr.length; i++)   System.out.println(arr[i]);

  第二种情况:

  //ComparableBean.java   import java.text.CollationKey;   import java.text.Collator;   import java.text.RuleBasedCollator;   import java.util.Comparator;   public class ComparableBean{   private String name;   public ComparableBean(String name) {   this.name = name;   }   public String getName() {   return name;   }   public void setName(String name) {   this.name = name;   }   }   class ComparableBeanComparator implements Comparator//   {   RuleBasedCollator collator; // you can set your rules for the instance "collator"   public ComparableBeanComparator()   {   collator = (RuleBasedCollator)Collator.getInstance(java.util.Locale.CHINA);// try testing various locales   }   public int compare(Object obj1, Object obj2) {   String tempname1 = ((ComparableBean) obj1).getName();   String tempname2 = ((ComparableBean) obj2).getName();   CollationKey c1 = collator.getCollationKey(tempname1);   CollationKey c2 = collator.getCollationKey(tempname2);   // return collator.compare(((CollationKey) c1).getSourceString(),   // ((CollationKey) c2).getSourceString());   return collator.compare(((CollationKey) c2).getSourceString(),   ((CollationKey) c1).getSourceString());   }   // public int compare(ComparableBean obj1, ComparableBean obj2) {   // String tempname1 = obj1.getName();   // String tempname2 = obj2.getName();   //   // CollationKey c1 = collator.getCollationKey(tempname1);   // CollationKey c2 = collator.getCollationKey(tempname2);   // return collator.compare(((CollationKey) c1).getSourceString(),   // ((CollationKey) c2).getSourceString());   // }   }   //the end of ComparableBean.java

  测试代码:

  ComparableBean[] nameContent = { new ComparableBean("一切从实际出发"),   new ComparableBean("立于不败之地"), new ComparableBean("多项式"),   new ComparableBean("贯彻落实"), new ComparableBean("密切联系群众"),   new ComparableBean("四项基本原则"), new ComparableBean("咬牙切齿"),   new ComparableBean("恭恭敬敬"), new ComparableBean("民警"),   new ComparableBean("经营承包责任制") };   Arrays.sort(nameContent,new ComparableBeanComparator());   for (int i = 0; i < nameContent.length; i++) {   System.out.println(nameContent[i].getName());   }
0
相关文章