太原? 2019.6-28

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主要思路是 使用${} ,

#{}傳過來的參數帶單引號''，而${}傳過來的參數不帶單引號。

下面是Mybatis中Xml格式的寫法

#{}? ${} 可以混用，? 好像不太建議 ，不過就是這么一回事

<select id="findBookMemberPagerConditionList" resultMap="BaseResultMap"parameterType="com.leimingtech.service.utils.page.Pager">select * from book_contact_memberWHERE 1 = 1<if test="condition.companyPosition != null and condition.companyPosition != ''">AND company_position = #{condition.companyPosition}</if><if test="condition.filterItem != null and condition.filterItem != ''"><if test="condition.sortItem == 0">order by ${condition.filterItem} desc</if><if test="condition.sortItem == 1">order by ${condition.filterItem} asc</if></if></select>

Controller

@RequestMapping("/searchTermList")public ModelAndView searchTermList(@RequestParam(value = "pageNo", required = false, defaultValue = "1")String pageNo,@RequestParam(required=false, value="goodClass",defaultValue="")String goodClass,@RequestParam(required=false, value="tradeType",defaultValue="")String tradeType,@RequestParam(required=false, value="position",defaultValue="")String position,@RequestParam(required=false, value="filterItem",defaultValue="")String filterItem,@RequestParam(required=false, value="filterSort",defaultValue="")String filterSort) {ModelAndView model = new ModelAndView("html5/bookContact/contactMemberList-page");Pager pagerMember = new Pager();pagerMember.setPageSize(5);pagerMember.setPageNo(Integer.parseInt(pageNo));BookContactMember Member = new BookContactMember();Member.setIsFamous("1");//設置查詢條件 大腕Member.setCompanyPosition(position);//職務Member.setTradeType(position);//職務Member.setTradeType(tradeType);//行業Member.setGoodsClass(goodClass);//產品 （一級分類）//判斷排序字段if(StringUtils.isNotBlank(filterItem)){if(StringUtils.equalsIgnoreCase(filterItem,"readNum")){Member.setFilterItem("read_num");}if(StringUtils.equalsIgnoreCase(filterItem,"needNum")){Member.setFilterItem("need_num");}if(StringUtils.equalsIgnoreCase(filterItem,"bbsNum")){Member.setFilterItem("bbs_num");}//判斷排序的順序if(StringUtils.isNotBlank(filterSort)){//1是正序 0是倒序if(StringUtils.equalsIgnoreCase(filterSort,"1")){Member.setSortItem(Integer.parseInt(filterSort));}if(StringUtils.equalsIgnoreCase(filterSort,"0")){Member.setSortItem(Integer.parseInt(filterSort));}}}pagerMember.setCondition(Member);List<BookContactMember> bookMemberPageList = bookContactMemberService.findBookMemberPagerConditionList(pagerMember); }

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