修改

fate-launch-server/src/main/java/com/shiyi/launch/controller/VehiclelaunchController.java

@@ -29,9 +29,7 @@ public class VehiclelaunchController {
      */
     @PostMapping("vehiclelaunch")
     public Result vehiclelaunchs(@RequestBody Vehiclelaunch vehiclelaunch){
-
         String topic = vehiclelaunchService.vehiclelaunch(vehiclelaunch);
-
         return Result.success(topic);
     }
 

fate-launch-server/src/main/java/com/shiyi/launch/mapper/VehicleaunchMapper.java

@@ -14,4 +14,6 @@ import org.apache.ibatis.annotations.Mapper;
 @Mapper
 public interface VehicleaunchMapper {
     Car save(Vehiclelaunch vehiclelaunch);
+
+    int into(Vehiclelaunch vehiclelaunch);
 }

fate-launch-server/src/main/java/com/shiyi/launch/service/impl/VehiclelaunchServiceimpl.java

@@ -25,16 +25,14 @@ public class VehiclelaunchServiceimpl implements VehiclelaunchService {
         if (StringUtils.isEmpty(vehiclelaunch.getVin())){
             return "vin为空";
         }
-        Car car = vehicleaunchMapper.save(vehiclelaunch);
+        int  i  =  vehicleaunchMapper.into(vehiclelaunch);
 
-        if( null == car){
-
-            return "连接不上,没有该车辆";
+        if(i < 0){
+            return "失败";
         }
 
-        String carVin = car.getCarVin();
 
-        String fate = "fate" + carVin.substring(3,7) + vehiclelaunch.getNonce();
+        String fate = "fate" + vehiclelaunch.getVin().substring(3,7) + vehiclelaunch.getNonce();
 
         return fate;
     }

fate-launch-server/src/main/resources/mapper/launch/VehiclelaunchMapper.xml

@@ -3,9 +3,13 @@
         PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.shiyi.launch.mapper.VehicleaunchMapper">
+    <insert id="into">
+        insert into t_car(car_vin) values
+    (#{vin})
+    </insert>
 
 
- <select id="save" resultType="com.shiyi.launch.domain.Car">
+    <select id="save" resultType="com.shiyi.launch.domain.Car">
     select * from t_car where car_vin = #{vin}
  </select>
 </mapper>