| 提交 | 用户 | 时间 | ||
| a6de49 | 1 | package com.iailab.module.data.common.utils; |
| H | 2 | |
| 3 | import com.baomidou.mybatisplus.core.metadata.IPage; | |
| 4 | import com.baomidou.mybatisplus.core.metadata.OrderItem; | |
| 5 | import com.baomidou.mybatisplus.extension.plugins.pagination.Page; | |
| 6 | import com.iailab.module.data.common.xss.SQLFilter; | |
| 7 | import org.apache.commons.lang3.StringUtils; | |
| 8 | ||
| 9 | import java.util.Map; | |
| 10 | ||
| 11 | /** | |
| 12 | * 查询参数 | |
| 13 | * | |
| 14 | * @author Mark sunlightcs@gmail.com | |
| 15 | */ | |
| 16 | public class Query<T> { | |
| 17 | ||
| 18 | public IPage<T> getPage(Map<String, Object> params) { | |
| 19 | return this.getPage(params, null, false); | |
| 20 | } | |
| 21 | ||
| 22 | public IPage<T> getPage(Map<String, Object> params, String defaultOrderField, boolean isAsc) { | |
| 23 | //分页参数 | |
| 24 | long curPage = 1; | |
| 25 | long limit = 10; | |
| 26 | ||
| 27 | if(params.get(Constant.PAGE) != null){ | |
| 28 | curPage = Long.parseLong((String)params.get(Constant.PAGE)); | |
| 29 | } | |
| 30 | if(params.get(Constant.LIMIT) != null){ | |
| 31 | limit = Long.parseLong((String)params.get(Constant.LIMIT)); | |
| 32 | } | |
| 33 | ||
| 34 | //分页对象 | |
| 35 | Page<T> page = new Page<>(curPage, limit); | |
| 36 | ||
| 37 | //分页参数 | |
| 38 | params.put(Constant.PAGE, page); | |
| 39 | ||
| 40 | //排序字段 | |
| 41 | //防止SQL注入（因为sidx、order是通过拼接SQL实现排序的，会有SQL注入风险） | |
| 42 | String orderField = SQLFilter.sqlInject((String)params.get(Constant.ORDER_FIELD)); | |
| 43 | String order = (String)params.get(Constant.ORDER); | |
| 44 | ||
| 45 | ||
| 46 | //前端字段排序 | |
| 47 | if(StringUtils.isNotEmpty(orderField) && StringUtils.isNotEmpty(order)){ | |
| 48 | if(Constant.ASC.equalsIgnoreCase(order)) { | |
| 49 | return page.addOrder(OrderItem.asc(orderField)); | |
| 50 | }else { | |
| 51 | return page.addOrder(OrderItem.desc(orderField)); | |
| 52 | } | |
| 53 | } | |
| 54 | ||
| 55 | //没有排序字段，则不排序 | |
| 56 | if(StringUtils.isBlank(defaultOrderField)){ | |
| 57 | return page; | |
| 58 | } | |
| 59 | ||
| 60 | //默认排序 | |
| 61 | if(isAsc) { | |
| 62 | page.addOrder(OrderItem.asc(defaultOrderField)); | |
| 63 | }else { | |
| 64 | page.addOrder(OrderItem.desc(defaultOrderField)); | |
| 65 | } | |
| 66 | ||
| 67 | return page; | |
| 68 | } | |
| 69 | } | |
