修bug

src/main/java/com/lh/mapper/CrowdfundingMapper.java

@@ -19,6 +19,9 @@ public interface CrowdfundingMapper {
     //当前众筹数量+1
     void updateNowNumber();
 
+    //修改状态
+    void updateStatus(Integer status);
+
     //添加众筹用户
     void addCrowdUser(Participant participant);
 

src/main/java/com/lh/service/CrowdfundingServiceImpl.java

@@ -7,6 +7,7 @@ import com.lh.mapper.CrowdfundingMapper;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
 
 import java.util.List;
 @Service
@@ -16,6 +17,10 @@ public class CrowdfundingServiceImpl implements CrowdfundingService {
     @Override
     public CrowdfundingInfo loadPage() {
         CrowdfundingInfo crowdfundingInfoList = crowdfundingMapper.loadPage();
+        //如果当前进度大于等于目标人数，将status变更为0
+        if (crowdfundingInfoList.getNowNumber() >= crowdfundingInfoList.getTargetNumber()) {
+            crowdfundingMapper.updateStatus(0);
+        }
         List<Participant> participants = crowdfundingMapper.queryCrowdUser(null);
         crowdfundingInfoList.setParticipantList(participants);
         return crowdfundingInfoList;
@@ -26,6 +31,9 @@ public class CrowdfundingServiceImpl implements CrowdfundingService {
         if (title.length() == 0) {
             throw new MyException("标题不能为空");
         }
+        if (title.length() > 25) {
+            throw new MyException("标题不能超过25个字");
+        }
         crowdfundingMapper.updateTitle(title);
     }
 
@@ -48,6 +56,10 @@ public class CrowdfundingServiceImpl implements CrowdfundingService {
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void addCrowdUser(Participant participant) throws MyException {
+        //当前人数等于目标人数不可继续添加
+        if (crowdfundingMapper.loadPage().getNowNumber() >= crowdfundingMapper.loadPage().getTargetNumber()) {
+            throw new MyException("当前人数已达到目标人数，不可继续添加");
+        }
         //精网号重复
         if (!crowdfundingMapper.queryCrowdUser(participant).isEmpty()) {
             throw new MyException("精网号重复");
@@ -66,7 +78,7 @@ public class CrowdfundingServiceImpl implements CrowdfundingService {
 
     @Override
     public void deleteCrowdUser(String jwcode) throws MyException {
-        if (crowdfundingMapper.queryCrowdUser(new Participant(null,jwcode,null,null)) == null) {
+        if (CollectionUtils.isEmpty(crowdfundingMapper.queryCrowdUser(new Participant(null,jwcode,null,null)))) {
             throw new MyException("删除失败，用户不存在");
         }
         List<Participant> participants = crowdfundingMapper.queryCrowdUser(new Participant(null, jwcode, null, null));

src/main/resources/com/lh/mapper/CrowdfundingMapper.xml

@@ -16,6 +16,9 @@
     <update id="updateNowNumber">
         update crowdfundinginfo set now_number=now_number+1
     </update>
+    <update id="updateStatus">
+        update crowdfundinginfo set status=#{status}
+    </update>
     <delete id="deleteCrowdUser">
         delete from participants where jwcode=#{jwcode}
     </delete>