package com.jeecms.cms.lucene;import java.io.IOException;import java.text.SimpleDateFormat;import java.util.Date;import org.apache.lucene.index.IndexReader;import org.apache.lucene.search.FieldCache;import org.apache.lucene.search.FieldComparator;import org.apache.lucene.search.FieldComparatorSource;public class LuceneContentComparatorSource extends FieldComparatorSource {    private int lmId = 0;    public LuceneContentComparatorSource() {    }    public LuceneContentComparatorSource(int lmId) {        this.lmId = lmId;    }    @Override    public FieldComparator newComparator(String field, int allCounts, int newCount,            boolean reversed) throws IOException {        return new LuceneContentComparatorSource.LuceneContentFieldComparator(allCounts, field);    }    class LuceneContentFieldComparator extends FieldComparator{        private String[] values;        private String[] currentReaderValues;        private final String field;        private String bottom;        SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");         public LuceneContentFieldComparator(int numHits, String field) {            this.values = new String[numHits];              this.field = field;         }        @Override        public int compare(int slot1, int slot2) {            try {                if("releaseDate".equals(field)){                    Date val1 = format.parse(this.values[slot1]);                      Date val2 = format.parse(this.values[slot2]);                      if(null == val1) {                          if(null == val2) {                              return 0;                          }                          return -1;                      }                      if(null == val2) {                          return 1;                      }                                            if(val1.after(val2)) {                          return 1;                      }                       if(val2.after(val1)) {                          return -1;                      }                }else if("channelIdArray".equals(field)){                    if(this.values[slot1].equals(this.values[slot2])){                        return 0;                    }else if((lmId + "").equals(this.values[slot1])){                        return 1;                    }else if((lmId + "").equals(this.values[slot2])){                        return -1;                    }                }            } catch (Exception e) {                e.printStackTrace();            }            return 0;        }        @Override        public int compareBottom(int doc) throws IOException {            try {                if("releaseDate".equals(field)){                    Date val2 = format.parse(this.currentReaderValues[doc]);                      Date tempBottom = format.parse(this.bottom);                      if (tempBottom == null) {                          if (val2 == null) {                              return 0;                          }                          return -1;                      }                      if (val2 == null) {                          return 1;                      }                      if(val2.after(tempBottom)) {                          return 1;                      }                       if(tempBottom.after(val2)) {                          return -1;                      }                  }else if("channelIdArray".equals(field)){                    if(this.bottom.equals(this.currentReaderValues[doc])){                        return 0;                    }else if((lmId + "").equals(this.bottom)){                        return 1;                    }else if((lmId + "").equals(this.currentReaderValues[doc])){                        return -1;                    }                }            } catch(Exception e) {                  e.printStackTrace();              }                  return 0;          }        @Override        public void copy(int slot, int doc) throws IOException {            this.values[slot] = this.currentReaderValues[doc];                    }        @Override        public void setBottom(int bottom) {            this.bottom = this.values[bottom];        }        @Override        public void setNextReader(IndexReader reader, int arg1)                throws IOException {            this.currentReaderValues = FieldCache.DEFAULT.getStrings(reader, this.field);        }        @Override        public Comparable value(int slot) {            return this.values[slot];        }            }}

//栏目排序类SortField sortFieldLm = new SortField("channelIdArray", new LuceneContentComparatorSource(lmId), true);//日期排序SortField sortFieldDate = new SortField("releaseDate", new LuceneContentComparatorSource(), true); Sort sort = new Sort ();sort.setSort(sortFieldLm,sortFieldDate); //排序类
TopDocs docs = searcher.search(query,null, pageNo * pageSize,sort);