拆分think模块包

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2024-08-13 17:51:18 +08:00
parent 9dc17cd63e
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package com.gxwebsoft.common.core.web;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.util.ReflectUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.annotation.TableField;
import com.baomidou.mybatisplus.annotation.TableLogic;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.OrderItem;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.gxwebsoft.common.core.Constants;
import com.gxwebsoft.common.core.annotation.QueryField;
import com.gxwebsoft.common.core.annotation.QueryType;
import com.gxwebsoft.common.core.utils.CommonUtil;
import java.lang.reflect.Field;
import java.util.*;
import java.util.function.Function;
import java.util.stream.Collectors;
/**
* 分页、排序、搜索参数封装
*
* @author WebSoft
* @since 2019-04-26 10:34:35
*/
public class PageParam<T, U extends BaseParam> extends Page<T> {
private static final long serialVersionUID = 1L;
/**
* 租户id字段名称
*/
private static final String TENANT_ID_FIELD = "tenantId";
/**
* 查询条件
*/
private final U where;
/**
* 是否把字段名称驼峰转下划线
*/
private final boolean isToUnderlineCase;
public PageParam() {
this(null);
}
public PageParam(U where) {
this(where, true);
}
public PageParam(U where, boolean isToUnderlineCase) {
super();
this.where = where;
this.isToUnderlineCase = isToUnderlineCase;
if (where != null) {
// 获取分页页码
if (where.getPage() != null) {
setCurrent(where.getPage());
}
// 获取分页每页数量
if (where.getLimit() != null) {
setSize(where.getLimit());
}
// 获取排序方式
if (where.getSort() != null) {
if (sortIsSQL(where.getSort())) {
setOrders(parseOrderSQL(where.getSort()));
} else {
List<OrderItem> orderItems = new ArrayList<>();
String column = this.isToUnderlineCase ? StrUtil.toUnderlineCase(where.getSort()) : where.getSort();
boolean asc = !Constants.ORDER_DESC_VALUE.equals(where.getOrder());
orderItems.add(new OrderItem(column, asc));
setOrders(orderItems);
}
}
}
}
/**
* 排序字段是否是sql
*/
private boolean sortIsSQL(String sort) {
return sort != null && (sort.contains(",") || sort.trim().contains(" "));
}
/**
* 解析排序sql
*/
private List<OrderItem> parseOrderSQL(String orderSQL) {
List<OrderItem> orders = new ArrayList<>();
if (StrUtil.isNotBlank(orderSQL)) {
for (String item : orderSQL.split(",")) {
String[] temp = item.trim().split(" ");
if (!temp[0].isEmpty()) {
String column = this.isToUnderlineCase ? StrUtil.toUnderlineCase(temp[0]) : temp[0];
boolean asc = temp.length == 1 || !temp[temp.length - 1].equals(Constants.ORDER_DESC_VALUE);
orders.add(new OrderItem(column, asc));
}
}
}
return orders;
}
/**
* 设置默认排序方式
*
* @param orderItems 排序方式
* @return PageParam
*/
public PageParam<T, U> setDefaultOrder(List<OrderItem> orderItems) {
if (orders() == null || orders().size() == 0) {
setOrders(orderItems);
}
return this;
}
/**
* 设置默认排序方式
*
* @param orderSQL 排序方式
* @return PageParam
*/
public PageParam<T, U> setDefaultOrder(String orderSQL) {
setDefaultOrder(parseOrderSQL(orderSQL));
return this;
}
/**
* 获取查询条件
*
* @param excludes 不包含的字段
* @return QueryWrapper
*/
public QueryWrapper<T> getWrapper(String... excludes) {
return buildWrapper(null, Arrays.asList(excludes));
}
/**
* 获取查询条件
*
* @param columns 只包含的字段
* @return QueryWrapper
*/
public QueryWrapper<T> getWrapperWith(String... columns) {
return buildWrapper(Arrays.asList(columns), null);
}
/**
* 构建QueryWrapper
*
* @param columns 包含的字段
* @param excludes 排除的字段
* @return QueryWrapper
*/
private QueryWrapper<T> buildWrapper(List<String> columns, List<String> excludes) {
QueryWrapper<T> queryWrapper = new QueryWrapper<>();
Map<String, Object> map = BeanUtil.beanToMap(where, false, true);
for (String fieldName : map.keySet()) {
Object fieldValue = map.get(fieldName);
Field field = ReflectUtil.getField(where.getClass(), fieldName);
// 过滤不包含的字段
if (columns != null && !columns.contains(fieldName)) {
continue;
}
// 过滤排除的字段
if (excludes != null && excludes.contains(fieldName)) {
continue;
}
// 过滤逻辑删除字段
if (field.getAnnotation(TableLogic.class) != null) {
continue;
}
// 过滤租户id字段
if (fieldName.equals(TENANT_ID_FIELD)) {
continue;
}
// 获取注解指定的查询字段及查询方式
QueryType queryType = QueryType.LIKE;
QueryField queryField = field.getAnnotation(QueryField.class);
if (queryField != null) {
if (StrUtil.isNotEmpty(queryField.value())) {
fieldName = queryField.value();
}
if (queryField.type() != null) {
queryType = queryField.type();
}
} else {
// 过滤非本表的字段
TableField tableField = field.getAnnotation(TableField.class);
if (tableField != null && !tableField.exist()) {
continue;
}
}
// 字段名驼峰转下划线
if (this.isToUnderlineCase) {
fieldName = StrUtil.toUnderlineCase(fieldName);
}
//
switch (queryType) {
case EQ:
queryWrapper.eq(fieldName, fieldValue);
break;
case NE:
queryWrapper.ne(fieldName, fieldValue);
break;
case GT:
queryWrapper.gt(fieldName, fieldValue);
break;
case GE:
queryWrapper.ge(fieldName, fieldValue);
break;
case LT:
queryWrapper.lt(fieldName, fieldValue);
break;
case LE:
queryWrapper.le(fieldName, fieldValue);
break;
case LIKE:
queryWrapper.like(fieldName, fieldValue);
break;
case NOT_LIKE:
queryWrapper.notLike(fieldName, fieldValue);
break;
case LIKE_LEFT:
queryWrapper.likeLeft(fieldName, fieldValue);
break;
case LIKE_RIGHT:
queryWrapper.likeRight(fieldName, fieldValue);
break;
case IS_NULL:
queryWrapper.isNull(fieldName);
break;
case IS_NOT_NULL:
queryWrapper.isNotNull(fieldName);
break;
case IN:
queryWrapper.in(fieldName, fieldValue);
break;
case NOT_IN:
queryWrapper.notIn(fieldName, fieldValue);
break;
case IN_STR:
if (fieldValue instanceof String) {
queryWrapper.in(fieldName, Arrays.asList(((String) fieldValue).split(",")));
}
break;
case NOT_IN_STR:
if (fieldValue instanceof String) {
queryWrapper.notIn(fieldName, Arrays.asList(((String) fieldValue).split(",")));
}
break;
}
}
return queryWrapper;
}
/**
* 获取包含排序的查询条件
*
* @return 包含排序的QueryWrapper
*/
public QueryWrapper<T> getOrderWrapper() {
return getOrderWrapper(getWrapper());
}
/**
* 获取包含排序的查询条件
*
* @param queryWrapper 不含排序的QueryWrapper
* @return 包含排序的QueryWrapper
*/
public QueryWrapper<T> getOrderWrapper(QueryWrapper<T> queryWrapper) {
if (queryWrapper == null) {
queryWrapper = new QueryWrapper<>();
}
for (OrderItem orderItem : orders()) {
if (orderItem.isAsc()) {
queryWrapper.orderByAsc(orderItem.getColumn());
} else {
queryWrapper.orderByDesc(orderItem.getColumn());
}
}
return queryWrapper;
}
/**
* 获取集合中的第一条数据
*
* @param records 集合
* @return 第一条数据
*/
public T getOne(List<T> records) {
return CommonUtil.listGetOne(records);
}
/**
* 代码排序集合
*
* @param records 集合
* @return 排序后的集合
*/
public List<T> sortRecords(List<T> records) {
List<OrderItem> orderItems = orders();
if (records == null || records.size() < 2 || orderItems == null || orderItems.size() == 0) {
return records;
}
Comparator<T> comparator = null;
for (OrderItem item : orderItems) {
if (item.getColumn() == null) {
continue;
}
String field = this.isToUnderlineCase ? StrUtil.toCamelCase(item.getColumn()) : item.getColumn();
Function keyExtractor = t -> ReflectUtil.getFieldValue(t, field);
if (comparator == null) {
if (item.isAsc()) {
comparator = Comparator.comparing(keyExtractor);
} else {
comparator = Comparator.comparing(keyExtractor, Comparator.reverseOrder());
}
} else {
if (item.isAsc()) {
comparator.thenComparing(keyExtractor);
} else {
comparator.thenComparing(keyExtractor, Comparator.reverseOrder());
}
}
}
if (comparator != null) {
return records.stream().sorted(comparator).collect(Collectors.toList());
}
return records;
}
}