本篇内容介绍了“java中List分页的方法有哪些”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！
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Criteria criteria = new Criteria();
//将dataAuto转成 factoryId brandId seriesId 等查询条件
String dataAuth = "";
TypeCaseHelper.dataAuto(criteria, dataAuth);
// 设置分页信息
ExtPager pager = new ExtPager();
Integer startTure = start * pageSize;
criteria.setMysqlPageSize(pageSize);
criteria.setMysqlStart(startTure);
// 排序信息
if (StringUtils.isNotBlank(pager.getDir()) && StringUtils.isNotBlank(pager.getSort())) {
criteria.setOrderByClause(pager.getSort() + " " + pager.getDir());
}
List<VhlAlarmStatusMgtEntity> listDistinct = getVhlAlarmStatusMgtEntities(vin, faultStatus, confirmStatus, startDateTime, endDateTime, sdf, sdfm, carTypeList, criteria);对应的分页sql
<select id="selectByExample" parameterType="Criteria" resultMap="BaseResultMap">
select
<include refid="Base_Column_List" />
from status_mgt
<where>
<if test="condition.carTypeList != null and condition.carTypeList.size() > 0" >
and car_type in
<foreach collection="condition.carTypeList" item="item" open="(" separator="," close=")">
#{item}
</foreach>
</if>
<if test="condition.startDateTime != null and condition.startDateTime!=''">
and alarm_time >= str_to_date(#{condition.startDateTime,jdbcType=VARCHAR},'%Y-%m-%d %H:%i:%S')
</if>
<if test="condition.endDateTime != null and condition.endDateTime!=''">
and str_to_date(#{condition.endDateTime,jdbcType=VARCHAR},'%Y-%m-%d %H:%i:%S') >= alarm_time
</if>
and logic_flag = 1
</where>
order by alarm_time desc
<if test="mysqlStart != null and mysqlPageSize != null">
limit #{mysqlStart}, #{mysqlPageSize}
</if>
</select> Criteria criteria1 = new Criteria();
List<VhlAlarmStatusMgtEntity> listDistinctForCout = getVhlAlarmStatusMgtEntities(vin, faultStatus, confirmStatus, startDateTime, endDateTime, sdf, sdfm, carTypeList, criteria1);
Integer count = listDistinctForCout.size(); // 记录总数
Integer pageCount; // 页数
if (count % pageSize == 0) {
pageCount = count / pageSize;
} else {
pageCount = count / pageSize + 1;
}
int fromIndex; // 开始索引
int toIndex; // 结束索引
if (!pageCount.equals(start+1)) {
fromIndex = start * pageSize;
toIndex = fromIndex + pageSize;
if(toIndex > count){
fromIndex = (start-1) * pageSize;
toIndex = count;
}
} else {
fromIndex = start * pageSize;
toIndex = count;
}
List<VhlAlarmStatusMgtEntity> pageList = listDistinctForCout.subList(fromIndex, toIndex); //开启分页
PageHelper.startPage(Integer.parseInt(pageNum), Integer.parseInt(pageSize));
PageInfo<Map<String, String>> pageInfo = new PageInfo(datalist);
HashMap<String, Object> map= new HashMap<>();
map.put("datalist", datalist);
map.put("total", pageInfo.getTotal());
map.put("size", pageInfo.getPageSize());
map.put("page", pageInfo.getPageNum());“java中List分页的方法有哪些”的内容就介绍到这里了，感谢大家的阅读。如果想了解更多行业相关的知识可以关注亿速云网站，小编将为大家输出更多高质量的实用文章！
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