java實現分頁功能的類

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package smn.util;public class Pager {    private int pageNow;    private int pageSize=4;    private int totalPage;//共有多少頁    private int totalSize;//記錄數    private boolean hasFirst;//是否有首頁    private boolean hasPre;//是否有前一頁    private boolean hasNext;//是否有下一頁    private boolean hasLast;//是否有末頁    public Pager(int pageNow,int totalSize){        this.pageNow=pageNow;        this.totalSize=totalSize;    }    public int getPageNow() {        return pageNow;    }    public void setPageNow(int pageNow) {        this.pageNow = pageNow;    }    public int getPageSize() {        return pageSize;    }    public void setPageSize(int pageSize) {        this.pageSize = pageSize;    }    public int getTotalPage() {        //頁數演算法        totalPage=getTotalSize()/getPageSize();        if(totalSize%pageSize!=0){            totalPage++;        }        return totalPage;    }    public void setTotalPage(int totalPage) {        this.totalPage = totalPage;    }    public int getTotalSize() {        return totalSize;    }    public void setTotalSize(int totalSize) {        this.totalSize = totalSize;    }    public boolean isHasFirst() {        //如果當前頁數為第一頁就沒有首頁        if(pageNow==1){            return false;        }else{            return true;        }    }    public void setHasFirst(boolean hasFirst) {        this.hasFirst = hasFirst;    }    public boolean isHasPre() {        //如果有首頁就有前一頁        if(this.isHasFirst()){            return true;        }else{            return false;        }    }    public void setHasPre(boolean hasPre) {        this.hasPre = hasPre;    }    public boolean isHasNext() {        //如果有尾頁就有下一頁        if(this.isHasLast()){            return true;        }else{            return false;        }    }    public void setHasNext(boolean hasNext) {        this.hasNext = hasNext;    }    public boolean isHasLast() {        //如果不是最後一頁就有尾頁        if(pageNow==this.getTotalPage()){            return false;        }else{            return true;        }    }    public void setHasLast(boolean hasLast) {        this.hasLast = hasLast;    }        }

 

java實現分頁功能的類