好好编程-物流项目20【客户管理-删除客户】

客户管理–删除客户

  具有删除客户的规则如下

角色	规则
业务员	可以删除自己维护的没有订单记录的客户
操作员	可以删除自己维护的没有订单记录的客户
管理员	不能删除客户信息

1.实现效果

1.1 管理员操作效果

1.2 业务员操作效果

删除成功~

2.实现步骤

2.1 CustomerDto

2.2 新增视图(v_customer_order_num)

SELECT customer_id,count(1) num
FROM t_order 
GROUP BY customer_id 

2.3 修改视图(v_customer)

SELECT t1.customer_id
			,t1.customer_name
			,t1.address
			,t1.c_sex
			,t1.email
			,t1.base_id
			,t1.id_card
			,t1.mobile_phone
			,t1.order_id
			,t1.remark
			,t1.user_id
			,t2.user_name
			,t2.real_name
			,t3.base_name
			,ifnull(t4.num,0) num
from t_customer t1
	left join t_user t2
     on t1.user_id = t2.user_id 
	left join t_basicdata t3
			on t1.base_id = t3.base_id 
  left join v_customer_order_num t4
		  on t1.customer_id = t4.customer_id 

2.4 customer.jsp页面

<shiro:hasAnyRoles name="业务员,操作员">
	<c:if test="${dto.orderNum eq 0 }">
		<a href="javascript:void(0)" onclick="deleteUser(${dto.customer.customerId})" 
		class="tablelink"> 删除</a></td>
	</c:if>
</shiro:hasAnyRoles>
// .......

function deleteUser(userId){
	if(window.confirm("确定要删除该用户吗?")){
		location.href="/customer/delete?id="+userId;
	}
}

2.5 CustomerController

@RequestMapping("/delete")
public String delete(Integer id) throws IOException{
	customerService.deleteCustomer(id);
	return "customer/query";
}

2.6 ICustomerService

public void deleteCustomer(Integer id);

2.7 CustomerServiceImpl

@Override
public void deleteCustomer(Integer id) {
	// TODO Auto-generated method stub
	customerMapper.deleteByPrimaryKey(id);
}