排序

admin-core/src/main/java/com/ibeetl/admin/core/service/CoreBaseService.java

@@ -1,5 +1,7 @@
 package com.ibeetl.admin.core.service;
 
+import cn.hutool.core.util.NumberUtil;
+import cn.hutool.core.util.ObjectUtil;
 import com.ibeetl.admin.core.util.PlatformException;
 import com.ibeetl.admin.core.util.enums.DelFlagEnum;
 import org.beetl.sql.core.SQLManager;
@@ -9,10 +11,12 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 
 import java.lang.reflect.ParameterizedType;
+import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.function.Function;
 
 /**
  *
@@ -67,6 +71,24 @@ public class CoreBaseService<T> extends CoreBaseAnnotationParser {
         return (List<T>) sqlManager.template(c);
     }
 
+    /**
+     * 获取指定字段 自增 + 1 的值。不会修改原属性
+     * @param paras
+     * @param function
+     * @return
+     * @param <T>
+     * @param <R>
+     */
+    public <T, R extends Number> BigDecimal getAutoIncrement(T paras, Function<T, R> function) {
+        List<T> templateList = sqlManager.template(paras);
+        if (ObjectUtil.isEmpty(templateList)) {
+            return null;
+        }
+
+        Number v1 = ObjectUtil.defaultIfNull(function.apply(templateList.get(0)), 0);
+        return NumberUtil.add(v1, 1);
+    }
+
     /**
      * 根据实体查询实体对象List
      *

web/src/main/java/com/ibeetl/jlw/service/StudentClientLinkService.java

@@ -17,6 +17,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -88,6 +89,14 @@ public class StudentClientLinkService extends CoreBaseService<StudentClientLink>
     public JsonResult add(StudentClientLinkQuery studentClientLinkQuery){
         String msg = "";
         StudentClientLink studentClientLink = studentClientLinkQuery.pojo();
+
+        // 获取新的排序值
+        StudentClientLink paras = new StudentClientLink();
+        paras.setStudentClientLinkOpenType(studentClientLink.getStudentClientLinkOpenType());
+        paras.setStudentClientLinkStatus(1);
+        BigDecimal bigDecimal = getAutoIncrement(paras, StudentClientLink::getStudentClientLinkOrder);
+        studentClientLink.setStudentClientLinkOrder(bigDecimal.intValue());
+
         studentClientLinkDao.insert(studentClientLink);
         studentClientLinkQuery.setStudentClientLinkId(studentClientLink.getStudentClientLinkId());
         JsonResult jsonResult = new JsonResult();

web/src/main/resources/sql/jlw/studentClientLink.md

@@ -106,7 +106,7 @@ queryByConditionQuery
       @if(!isEmpty(orgIdPlural)){
         and find_in_set(t.org_id,#orgIdPlural#)
       @}
-    
+    order by t.student_client_link_order desc