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1.自定义分页实体类PageBean

import org.springframework.stereotype.Component;import java.util.List;/** * Created on 2017/11/22. * 分页实体类 */@Componentpublic class PageBean
   
     {    private List
    
      list;//数据集合    private Integer pageNum = 1;//当前页    private Integer prePageNum;//上一页码    private Integer nextPageNum;//下一页码    private Integer startNum = 0;//开始页码    private Integer endNum = 0;//结束页码    private Integer pageRows = 15;//每页记录数    private Integer startRowNum;//查询开始行    private Integer endRowNum;//查询结束行    private Integer totalRows;//总记录数    private Integer totalPages;//总页数    public List
     
       getList() {        return list;    }    public void setList(List
      
        list) {        this.list = list;    }    public Integer getPageNum() {        return pageNum;    }    public void setPageNum(Integer pageNum) {        this.pageNum = pageNum;    }    public Integer getPrePageNum() {        this.prePageNum = this.pageNum - 1;        if (this.prePageNum < 1) {            this.prePageNum = 1;        }        return prePageNum;    }    public void setPrePageNum(Integer prePageNum) {        this.prePageNum = prePageNum;    }    public Integer getNextPageNum() {        this.nextPageNum = this.pageNum + 1;        if (this.nextPageNum > this.getTotalPages()) {            this.nextPageNum = this.getTotalPages();        }        return nextPageNum;    }    public void setNextPageNum(Integer nextPageNum) {        this.nextPageNum = nextPageNum;    }    public Integer getStartNum() {        if (this.pageNum < 6) {            return 1;        } else {            if(this.getTotalPages() > 9){                if (pageNum == totalPages) {                    return pageNum - 8;                } else {                    if (this.getTotalPages() - this.pageNum < 5) {                        return this.getTotalPages() - 8;                    } else {                        return pageNum - 4;                    }                }            }else {                return 1;            }        }    }    public void setStartNum(Integer startNum) {        this.startNum = startNum;    }    public Integer getEndNum() {        if (this.pageNum < 6) {            if (this.getTotalPages() > 9) {                return 9;            } else {                return (this.getTotalPages()==0)?1:this.getTotalPages();            }        } else {            if (pageNum == this.getTotalPages()) {                return this.getTotalPages();            } else {                if (this.getTotalPages() - this.pageNum < 5) {                    return this.getTotalPages();                } else {                    return pageNum + 4;                }            }        }    }    public void setEndNum(Integer endNum) {        this.endNum = endNum;    }    public Integer getPageRows() {        return pageRows;    }    public void setPageRows(Integer pageRows) {        this.pageRows = pageRows;    }    public Integer getStartRowNum() {        return (pageNum - 1) * pageRows;    }    public void setStartRowNum(Integer startRowNum) {        this.startRowNum = startRowNum;    }    public Integer getEndRowNum() {        return pageRows;    }    public void setEndRowNum(Integer endRowNum) {        this.endRowNum = endRowNum;    }    public Integer getTotalRows() {        return totalRows;    }    public void setTotalRows(Integer totalRows) {        this.totalRows = totalRows;    }    public Integer getTotalPages() {        totalPages = getTotalRows() % pageRows == 0 ? totalRows / pageRows : totalRows / pageRows + 1;        return totalPages;    }    public void setTotalPages(Integer totalPages) {        this.totalPages = totalPages;    }}
      
     
    
   

2.调用分页实体类

public PageBean selectActivityList(PageBean pb) {        //pb中的当前页、每页记录数需要从前台获取        Map
   
     pm = new HashMap
    
     ();        //查询记录总数        int rows = selectDataCount(pm);        pb.setTotalRows(rows);        //查询记录集合        pm.put("pb",pb);        List
     
    
   

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