MyBatis PageHelper插件使用

Maven:

<dependency>
    <groupId>com.github.pagehelpergroupId>
    <artifactId>pagehelperartifactId>
    <version>4.1.4version>
dependency>

Controller:

@RequestMapping(method = RequestMethod.GET)
    public ResultList<Test> findTest(PageBean pageBean){
        return new ResultList<>(testService.findTest(pageBean));
    }

ResultList:

/**
 * @Description: 分页结果
 * @Author: hj
 * @Date: 14:56 2017/11/16
 */
public class ResultList<T> implements Serializable{

    private Integer pages = 1;  //总页数

    private Long total = 1L;  //总数据

    private List list;  //数据列表

    public ResultList() {
    }

    /**
     * @Description: 无PageHelper插件构造函数
     * @Author: hj
     * @Date: 14:57 2017/11/16
     */
    public ResultList(Integer pages, Long total, List list) {
        this.pages = pages;
        this.total = total;
        this.list = list;
    }

    /**
     * @Description: PageHelper插件构造函数
     * @Author: hj
     * @Date: 14:57 2017/11/16
     */
    public ResultList(List list) {
        if(list instanceof Page){
            this.list = new ArrayList<>(list);
            Page page = (Page)list;
            this.pages = page.getPages();
            this.total = page.getTotal();
        }
    }

    public Integer getPages() {
        return pages;
    }

    public void setPages(Integer pages) {
        this.pages = pages;
    }

    public Long getTotal() {
        return total;
    }

    public void setTotal(Long total) {
        this.total = total;
    }

    public List getList() {
        return list;
    }

    public void setList(List list) {
        this.list = list;
    }

    @Override
    public String toString() {
        return "ResultList{" +
                "pages=" + pages +
                ", total=" + total +
                ", list=" + list +
                '}';
    }
}

Service:

public List findTest(PageBean pageBean) {
        PageHelper.startPage(pageBean.getPageNum(),pageBean.getPageSize());
        List tests = testMapper.findTest();

        return tests;
    }