feature (一手案例批次同步)： 下载一手案例批次

1. 分批次下载一手房案例数据
2. 修复租赁案例下载缺少两个字段（created,modifydate）

ruoyi/src/main/resources/mybatis/data/DownloadOriginalResidenceRentOpeningCaseMapper.xml

@@ -26,6 +26,7 @@
         <result property="caseCommunityUrl" column="curl"/>
         <result property="caseCommunityName" column="cname"/>
         <result property="caseGetDate" column="created" javaType="java.sql.Date"/>
+        <result property="updateDate" column="modified" javaType="java.sql.Date"/>
         <result property="caseProvider" column="caseProvider"/>
     </resultMap>
     <select id="download" resultMap="resultMapping">
@@ -51,6 +52,7 @@
               ,curl
               ,cname
               ,created
+              ,modified
               , '链家'             as caseProvider
           FROM dbo.ZListing_Lianjia
     </select>