前后端的Date问题

https://blog.csdn.net/Bb15070047748/article/details/108187549
https://blog.csdn.net/DreamITEffort/article/details/108711703

<el-date-picker

              v-model="form.cpTime"
              value-format="yyyy-MM-dd HH:mm:ss"
              type="datetime"
              placeholder="选择日期时间"
            />