缘起

最近一周都在写报表，样式很统一，上面是查询条件，下面是查询结果，页面如下图所示。由于要写很多报表，都是重复的工作，所以部门里的小哥哥在写了一个基于node的小程序，直接配置JSON文件，就可以生成报表模板，感觉很强（后面想学习一下）。

作为一个优秀的CV工程师（复制粘贴），我也没怎么写前端的工作，直接用生成的模板就好了，但是后台的查询我还是稍微走心的。由于JAVA基础不是很好，总结的可能出错，欢迎大家批评指正。

controller、service、serviceImpl、Mapper、Xml等文件的作用

在项目中的使用情况，由于业务逻辑很简单，所以每个文件中的代码行数都很少

  1. controller.java
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/**
 * 资产rim项目信息报表
 *
 */
@RequestMapping(value = "/hls/cus/rpt/rim/project/detail/query")
@ResponseBody
public ResponseData rptRimProjecrDetailQuery(@RequestBody Map map) {
    return new ResponseData(hlsCusRptRimProjectDetailService.rptRimProjectDetailQuery(map));
}
  1. service.java
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public interface HlsCusRptRimProjectDetailService extends IBaseService<HlsCusRptRimProjectDetail>,ProxySelf<HlsCusRptRimProjectDetailService> {
 
    List<Map> rptRimProjectDetailQuery(Map map);
}
  1. serviceImpl.java
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@Override
public List<Map> rptRimProjectDetailQuery(Map map) {
  int page = Integer.parseInt(String.valueOf(map.get("page")));
  int pageSize = Integer.parseInt(String.valueOf(map.get("pageSize")));
  PageHelper.startPage(page,pageSize);
  return hlsCusRptRimProjectDetailMapper.rptRimProjectDetailQuery(map);
}
  1. mapper.java
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public interface HlsCusRptRimProjectDetailMapper extends Mapper<HlsCusRptRimProjectDetail> {
 
    List<Map> rptRimProjectDetailQuery( Map<String, Object> map);// 资产rim表项目信息报表
 
}
  1. mapper.xml
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<select id="rptRimProjectDetailQuery" resultMap="BaseResultMap">
 
        SELECT
         V.*,
        (case when V.REMAIN_PRINCIPAL > 0 then (V.REMAIN_PRINCIPAL - nvl(
        (SELECT SUM(CCC.DUE_AMOUNT)
        FROM CON_CONTRACT_CASHFLOW CCC
        WHERE CCC.CONTRACT_ID = V.CONTRACT_ID
        AND CCC.CF_ITEM = 5)
        ,0)) else 0 end) as PROJECT_EXPOSURE
        FROM (SELECT
        --项目编号
        CC.PROJECT_CONTRACT_NUMBER PROJECT_NUMBER,
 
        -------------------------省略部分代码-------------------------
        
        -- 项目核销申请日期
        (SELECT CCT.TERMINATION_DATE
        FROM CON_CONTRACT_TERMINATION CCT
        WHERE CCT.CONTRACT_ID = CC.CONTRACT_ID) TERMINATION_DATE,
        CC.BEFORE_RENT_FLAG
        FROM CON_CONTRACT CC
        LEFT JOIN PRJ_PROJECT PP
        ON CC.PROJECT_ID = PP.PROJECT_ID
        WHERE
        cc.contract_status IN ('INCEPT', 'TERMINATE', 'ET')
        OR (CC.contract_status = 'SIGN' AND cc.before_rent_flag = 'Y')
      ) V
        ----------------下面写查询条件----------------------
        <where>
            <if test="projectNumber !=null and projectNumber !=''">
                and v.project_number like concat(concat('%',#{projectNumber}),'%')
            </if>
            <if test="businessType !=null and businessType.size() !=0">
              and v.business_type in
              <foreach item="item" index="index" collection="businessType" open="(" separator="," close=")">
                #{item}
              </foreach>
            </if>
        </where>
 
    </select>