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java项目导入该jar包 idea导入jar包 下载jcommons-io-2.8.0.jar包地址

@Transactional public int addUser(User user) { userDao.addUser(user); userDeptDao.addDept(999, user.getAccount()); userRoledao.addRole(user.getAccount(),999); return 1; }

@Repository public interface UserDeptDao { int addDept(@Param("deptId") int deptId,@Param("userAccount") String userAccount); }

package Demo1; //自定义异常类 public class MyException extends Exception { private int detail; //定义异常参数 public MyException(int a){ this.detail = a; } @Override //显示异常 public String toString() { return "Myexception{" +

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