分页 返回 json格式数据

分页工具类PageBean.java

package org.activeii.activeii.app.person.util;

import java.util.List;

public class PageBean<T> {
    private int pageIndex;// 当前页数
    private int pageSize;// 一共的页数
    private int count;// 数据条数
    private int pageCount;// 每页的数据条数
    private int start;// 起始数据位置
    private int end;// 结束
    private List<T> list = null;

    public void init() {
        /*
         * 根count 和pageCount计算页数pageSize
         */
        int pageSize_x = (int) count / pageCount;
        if (count >= pageCount) {
            this.pageSize = count % pageCount == 0 ? pageSize_x : pageSize_x + 1;
        } else {
            this.pageSize = 1;
        }
        // 判断页数和当前页数
        if (pageIndex > pageSize) {
            pageIndex = pageSize;
        }
        if (pageIndex < 1) {
            pageIndex = 1;
        }
        // 根据当前页计算起始和结束条目
        this.start = (pageIndex - 1) * pageCount + 1;
        this.end = pageIndex * pageCount;
    }

    public PageBean(int pageIndex, int count, int pageCount) {
        super();
        this.pageIndex = pageIndex;
        this.count = count;
        this.pageCount = pageCount;
    }

    public PageBean(int pageIndex, int count, int pageCount, List<T> list) {
        super();
        this.pageIndex = pageIndex;
        this.count = count;
        this.pageCount = pageCount;
        this.list = list;
    }

    public PageBean() {
        super();
        // TODO Auto-generated constructor stub
    }

    @Override
    public String toString() {
        return "PageBean [count=" + count + ", end=" + end + ", result=" + list + ", pageCount=" + pageCount
                + ", pageIndex=" + pageIndex + ", pageSize=" + pageSize + ", start=" + start + "]";
    }

    public int getPageIndex() {
        return pageIndex;
    }

    public void setPageIndex(int pageIndex) {
        this.pageIndex = pageIndex;
    }

    public int getPageSize() {
        return pageSize;
    }

    public void setPageSize(int pageSize) {
        this.pageSize = pageSize;
    }

    public int getCount() {
        return count;
    }

    public void setCount(int count) {
        this.count = count;
    }

    public int getPageCount() {
        return pageCount;
    }

    public void setPageCount(int pageCount) {
        this.pageCount = pageCount;
    }

    public int getStart() {
        return start;
    }

    public void setStart(int start) {
        this.start = start;
    }

    public int getEnd() {
        return end;
    }

    public void setEnd(int end) {
        this.end = end;
    }

    public List<T> getList() {
        return list;
    }

    public void setList(List<T> list) {
        this.list = list;
    }
}
mapper层

    <sql id="financialColumns">
        a.id AS "id",
        a.identification AS "identification",
        a.qualification_classify AS "qualificationClassify",
        a.qualification_num AS "qualificationNum",
        a.company AS "company",
        a.city_location AS "cityLocation",
        a.good_field AS "goodField",
        a.personal_profile AS "personalProfile",
        a.qualification_status AS "qualificationStatus",
        a.apply_time AS "applyTime",
        a.authentication_time AS "authenticationTime",
        a.account AS "account"
    </sql>

    <select id="queryListPage"
        parameterType="java.lang.Integer" resultMap="financialResult">
        select
        <include refid="financialColumns" />
         from yryz_financial a limit #{start},#{end}
    </select>

dao层

public List<Financial> queryListPage(@Param("start") int start, @Param("end") int end);

service层

public List<Financial> queryListPage(int start, int end);

service impl层

public PageInfo<Financial> queryFinancialList(FinancialDto financialDto){
        PageHelper.startPage(financialDto.getPageNo(), financialDto.getPageSize());
        List<Financial> list = financialDao.queryAll();
        PageInfo<Financial> page = new PageInfo<Financial>(list);    
        return page;
    }

controller层

@ResponseBody
    @GET
    @Path("/finalistPage/{start}/{end}")
    public Map<String, Object> pageCount(@PathParam("start") int start, @PathParam("end") int end) {
        Map<String, Object> map = new HashMap<String, Object>();
        if (start < 0) {
            start = 0;
        }
        if (end < 0) {
            end = 1;
        }
        int pageIndex = 0;
        PageBean<Financial> pb = new PageBean<Financial>(pageIndex, financialService.selectCount(), 2);
        pb.init();
        List<Financial> financiallist = financialService.queryListPage(start, end);
        if (null != financiallist && financiallist.size() > 0) {
            pb.setList(financiallist);
            map.put("data", pb);
            map.put("message", "success");
        } else {
            map.put("message", "fail");
        }
        return map;
    }

结果

{
    "data": {
        "count": 3,
        "end": 2,
        "list": [
            {
                "account": "KM",
                "appName": "activeii",
                "applyTime": 1489614237000,
                "authenticationTime": 1489614237000,
                "cityLocation": "KM1",
                "company": "KM1",
                "goodField": "KM1",
                "id": 2,
                "identification": "KM1",
                "personalProfile": "KM1",
                "qualificationClassify": "KM1",
                "qualificationNum": "KM1",
                "qualificationStatus": 1,
                "revision": 1
            },
            {
                "account": "KM3",
                "appName": "activeii",
                "applyTime": 1489619727000,
                "authenticationTime": 1489619727000,
                "cityLocation": "KM3",
                "company": "KM3",
                "goodField": "KM3",
                "id": 3,
                "identification": "KM3",
                "personalProfile": "KM3",
                "qualificationClassify": "KM3",
                "qualificationNum": "KM3",
                "qualificationStatus": 1,
                "revision": 1
            }
        ],
        "pageCount": 2,
        "pageIndex": 1,
        "pageSize": 2,
        "start": 1
    },
    "message": "success"
}