diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaBusinessController.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaBusinessController.java
index 5137b9b..0797a43 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaBusinessController.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaBusinessController.java
@@ -3,7 +3,7 @@ package com.ruoyi.oa.controller;
 import java.util.List;
 import java.util.Arrays;
 import java.util.concurrent.TimeUnit;
-
+import com.ruoyi.oa.domain.OaBusiness;
 import com.ruoyi.oa.domain.vo.OaProductVo;
 import lombok.RequiredArgsConstructor;
 import javax.servlet.http.HttpServletResponse;
@@ -117,4 +117,21 @@ public class OaBusinessController extends BaseController {
     public TableDataInfo<OaProductVo> getBusinessProducts(OaBusinessBo bo) {
         return iOaBusinessService.getBusinessProducts(bo);
     }
+    @GetMapping("/customer/{customerId}")
+    @Log(title = "CRM 商机", businessType = BusinessType.EXPORT)
+    public TableDataInfo<OaBusiness> getBusinessByCustomerId(@PathVariable Long customerId, PageQuery pageQuery){
+        return iOaBusinessService.getBusinessByCustomerId(customerId,pageQuery);
+    }
+    @Log(title = "CRM 商机", businessType = BusinessType.DELETE)
+    @DeleteMapping
+    public R<Void> deleteBusiness(@RequestParam Long businessId){
+        iOaBusinessService.deleteBusiness(businessId);
+        return R.ok();
+    }
+    @GetMapping("/follow/{businessId}")
+    public R<Void> setFollow(@PathVariable Long businessId){
+        iOaBusinessService.setFollow(businessId);
+        return R.ok();
+    }
+
 }
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaBusinessMapper.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaBusinessMapper.java
index 18e89aa..7e5736d 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaBusinessMapper.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaBusinessMapper.java
@@ -1,5 +1,5 @@
 package com.ruoyi.oa.mapper;
-
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Constants;
 import com.ruoyi.oa.domain.OaBusiness;
@@ -8,6 +8,7 @@ import com.ruoyi.oa.domain.bo.SysOaProjectBo;
 import com.ruoyi.oa.domain.vo.OaBusinessVo;
 import com.ruoyi.common.core.mapper.BaseMapperPlus;
 import com.ruoyi.oa.domain.vo.OaProductVo;
+import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Param;
 
 import java.util.List;
@@ -24,4 +25,13 @@ public interface OaBusinessMapper extends BaseMapperPlus<OaBusinessMapper, OaBus
      * 联查商机与产品以及其关联表
      */
     List<OaProductVo> getBusinessProducts(OaBusinessBo bo,@Param(Constants.WRAPPER) QueryWrapper<OaBusiness> queryWrapper);
+
+
+    Page<OaBusinessVo> getBusinessByCustomerId(Long customerId);
+@Delete(  "delete from oa_business where business_id=#{businessId}"
+        )
+    void deleteBusinessById(Long businessId);
+
+
+    void setFollow(Long businessId);
 }
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaBusinessProductMapper.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaBusinessProductMapper.java
index 4619e24..adcd54c 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaBusinessProductMapper.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaBusinessProductMapper.java
@@ -3,6 +3,10 @@ package com.ruoyi.oa.mapper;
 import com.ruoyi.oa.domain.OaBusinessProduct;
 import com.ruoyi.oa.domain.vo.OaBusinessProductVo;
 import com.ruoyi.common.core.mapper.BaseMapperPlus;
+import org.apache.ibatis.annotations.Delete;
+import org.apache.ibatis.annotations.Select;
+
+import java.util.List;
 
 /**
  * CRM 商机产品关联Mapper接口
@@ -12,4 +16,7 @@ import com.ruoyi.common.core.mapper.BaseMapperPlus;
  */
 public interface OaBusinessProductMapper extends BaseMapperPlus<OaBusinessProductMapper, OaBusinessProduct, OaBusinessProductVo> {
 
+    List<OaBusinessProduct> selectByBusinessId(Long businessId);
+
+    void deleteByBusinessId(Long businessId);
 }
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/IOaBusinessService.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/IOaBusinessService.java
index ddbd273..12d66fc 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/IOaBusinessService.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/IOaBusinessService.java
@@ -1,6 +1,7 @@
 package com.ruoyi.oa.service;
 
 
+import com.ruoyi.oa.domain.OaBusiness;
 import com.ruoyi.oa.domain.vo.OaBusinessVo;
 import com.ruoyi.oa.domain.bo.OaBusinessBo;
 import com.ruoyi.common.core.page.TableDataInfo;
@@ -59,4 +60,10 @@ public interface IOaBusinessService {
      * 查询CRM 批量商机
      */
     List<OaBusinessVo> queryByIds(Collection<Long> list);
+    TableDataInfo<OaBusiness> getBusinessByCustomerId(Long customerId, PageQuery pageQuery);
+
+    void deleteBusiness(Long businessId);
+
+
+    void setFollow(Long businessId);
 }
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaBusinessServiceImpl.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaBusinessServiceImpl.java
index 3d8bdc2..ab86c01 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaBusinessServiceImpl.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaBusinessServiceImpl.java
@@ -8,7 +8,9 @@ import com.ruoyi.common.core.domain.PageQuery;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.ruoyi.oa.domain.OaBusinessProduct;
 import com.ruoyi.oa.domain.vo.OaProductVo;
+import com.ruoyi.oa.mapper.OaBusinessProductMapper;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import com.ruoyi.oa.domain.bo.OaBusinessBo;
@@ -33,6 +35,7 @@ import java.util.Collection;
 public class OaBusinessServiceImpl implements IOaBusinessService {
 
     private final OaBusinessMapper baseMapper;
+    private final OaBusinessProductMapper oaBusinessProductMapper;
 
     /**
      * 查询CRM 商机
@@ -143,4 +146,30 @@ public class OaBusinessServiceImpl implements IOaBusinessService {
         }
         return baseMapper.selectVoList(new LambdaQueryWrapper<OaBusiness>().in(OaBusiness::getBusinessId, list));
     }
+
+    @Override
+    public  TableDataInfo<OaBusiness> getBusinessByCustomerId(Long customerId,PageQuery pageQuery) {
+        List<OaBusiness> list = buildQueryByCustomerId(customerId);
+        return TableDataInfo.build(list);
+    }
+    private List<OaBusiness> buildQueryByCustomerId(Long id) {
+        LambdaQueryWrapper<OaBusiness> lqw = new LambdaQueryWrapper<>();
+        lqw.eq( OaBusiness::getCustomerId,id);
+        return baseMapper.selectList(lqw);
+    }
+
+    @Override
+    public void deleteBusiness(Long businessId) {
+        baseMapper.deleteBusinessById(businessId);
+
+        List<OaBusinessProduct> oaBusinessProducts = oaBusinessProductMapper.selectByBusinessId(businessId);
+        if(!oaBusinessProducts.isEmpty()){
+            oaBusinessProductMapper.deleteByBusinessId(businessId);
+        }
+    }
+
+    @Override
+    public void setFollow(Long businessId) {
+        baseMapper.setFollow(businessId);
+    }
 }
diff --git a/ruoyi-oa/src/main/resources/mapper/oa/OaBusinessMapper.xml b/ruoyi-oa/src/main/resources/mapper/oa/OaBusinessMapper.xml
index 2964af8..3d150e5 100644
--- a/ruoyi-oa/src/main/resources/mapper/oa/OaBusinessMapper.xml
+++ b/ruoyi-oa/src/main/resources/mapper/oa/OaBusinessMapper.xml
@@ -36,6 +36,16 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         left join oa_product op on obp.product_id = op.product_id
             ${ew.getCustomSqlSegment}
     </select>
+    <update id="setFollow">
+        update oa_business set follow_up_status = 1 where business_id=#{businessId}
+    </update>
+
+    <select id="getBusinessByCustomerId" resultType="com.ruoyi.oa.domain.vo.OaBusinessVo">
+        select * from oa_business
+        <where >
+            customerId=#{customerId}
+        </where>
+    </select>
 
 
 </mapper>
diff --git a/ruoyi-oa/src/main/resources/mapper/oa/OaBusinessProductMapper.xml b/ruoyi-oa/src/main/resources/mapper/oa/OaBusinessProductMapper.xml
index f698da0..3e46248 100644
--- a/ruoyi-oa/src/main/resources/mapper/oa/OaBusinessProductMapper.xml
+++ b/ruoyi-oa/src/main/resources/mapper/oa/OaBusinessProductMapper.xml
@@ -19,5 +19,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <result property="delFlag" column="del_flag"/>
     </resultMap>
 
+    <delete id="deleteByBusinessId">
+        delete from oa_business_product where business_id = #{businessId}
+    </delete>
 
+    <select id="selectByBusinessId" resultType="com.ruoyi.oa.domain.OaBusinessProduct">
+        select * from oa_business_product where business_id = #{businessId}
+    </select>
 </mapper>