1、根据ID删除一个员工deleteById

 1  /**
 2      * 删除客户
 3      *
 4      * @throws SQLException
 5      */
 6     @Test
 7     public void deletedMethod() throws SQLException {
 8 
 9         // 1.根据ID删除一个员工
10         Integer result = employeeMapper.deleteById(1);
11 
12         if (result != null || result > 0) {
13             logger.info("++++++++++++++++删除成功+++++");
14         }
15 
16     }
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