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  • java实现按拼音排序

    List<WaPayFileVO> list =(List<WaPayFileVO>) dao.execQueryBeanList(pagesql, params.toArray(),  new BeanListProcessor(WaPayFileVO.class));
    
     if("asc".equals(page.getOrder()) && "pk_psnjob__pk_psndoc__name".equals(page.getSort())){
                Collections.sort(list, new Comparator<WaPayFileVO>() {
                    @Override
                    public int compare(WaPayFileVO o1, WaPayFileVO o2) {
                        return Collator.getInstance(Locale.CHINESE).compare(o1.getPk_psnjob__pk_psndoc__name(),o2.getPk_psnjob__pk_psndoc__name());
                    }
                });
            }else if("desc".equals(page.getOrder()) && "pk_psnjob__pk_psndoc__name".equals(page.getSort())){
                Collections.sort(list, new Comparator<WaPayFileVO>() {
                    @Override
                    public int compare(WaPayFileVO o1, WaPayFileVO o2) {
                        return -Collator.getInstance(Locale.CHINESE).compare(o1.getPk_psnjob__pk_psndoc__name(),o2.getPk_psnjob__pk_psndoc__name());
                    }
                });
            }

    jdk自带的Collator包涵的汉字太少了,对一些生僻的姓氏不能进行排序。推荐使用:

    import com.ibm.icu.text.Collator; 

    是ibm开发的针对编码的工具包,非常好用。附pom文件:

    <dependency>  
                <groupId>com.ibm.icu</groupId>  
                <artifactId>icu4j</artifactId>  
                <version>57.1</version>  
            </dependency> 
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  • 原文地址:https://www.cnblogs.com/skyislimit/p/10167581.html
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