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3.5.6
能否在QueryWrapper和LambdaQueryWrapper中也增加Page.addOrder那样直接传OrderItem的方法, 排序条件从前台传来是字符串,处理成OrderItem以后只有Page能直接用,LambdaQueryWrapper也不能直接传字符串字段名, 一个表的查询条件封装成一个对象后,在有的地方会用分页有的地方不需要分页,导致现在要写三种样子的排序处理
public Page<T> handlerPage() { Integer pageNum = ObjectUtils.defaultIfNull(this.pageNo, DEFAULT_PAGE_NUM); Integer pageSize = ObjectUtils.defaultIfNull(this.pageSize, DEFAULT_PAGE_SIZE); if (pageNum <= 0) { pageNum = DEFAULT_PAGE_NUM; } Page<T> page = new Page<>(pageNum, pageSize); // 这里拼接了排序条件 就不能在wrapper中再拼,会重复 if (!sorted) { sorted = true; List<OrderItem> orderItems = handlerOrderItem(); Opt.ofEmptyAble(orderItems).ifPresent(page::addOrder); } return page; }
protected void handlerWrapperSort(QueryWrapper<T> queryWrapper) { if (!sorted) { sorted = true; List<OrderItem> orderItems = handlerOrderItem(); Opt.ofEmptyAble(orderItems).ifPresent(items -> items.forEach(item -> { if (item.isAsc()) { queryWrapper.orderByAsc(item.getColumn()); } else { queryWrapper.orderByDesc(item.getColumn()); } }) ); } }
protected void handlerWrapperSort(LambdaQueryWrapper<T> queryWrapper) { if (!sorted) { sorted = true; List<OrderItem> orderItems = handlerOrderItem(); MergeSegments expression = queryWrapper.getExpression(); Opt.ofEmptyAble(orderItems) .ifPresent(items -> items.forEach(item -> expression.add(SqlKeyword.ORDER_BY, item::getColumn, item.isAsc() ? SqlKeyword.ASC : SqlKeyword.DESC) ) ); } }
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3.5.6
能否在QueryWrapper和LambdaQueryWrapper中也增加Page.addOrder那样直接传OrderItem的方法,
排序条件从前台传来是字符串,处理成OrderItem以后只有Page能直接用,LambdaQueryWrapper也不能直接传字符串字段名,
一个表的查询条件封装成一个对象后,在有的地方会用分页有的地方不需要分页,导致现在要写三种样子的排序处理
The text was updated successfully, but these errors were encountered: