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chenjunxiong
guns-vip
Commits
f3ebc991
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f3ebc991
authored
Jun 07, 2017
by
stylefeng
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新增常见问题答疑
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f3ebc991
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@@ -240,6 +240,11 @@ avatarUp.init();
##独创controller层,map+warpper返回方式
map+warpper方式即为把controller层的返回结果使用BeanKit工具类把原有bean转化为Map的的形式(或者原有bean直接是map的形式),再用单独写的一个包装类再包装一次这个map,使里面的参数更加具体,更加有含义,下面举一个例子,例如,在返回给前台一个性别时,数据库查出来1是男2是女,假如直接返回给前台,那么前台显示的时候还需要增加一次判断,并且前后端分离开发时又增加了一次交流和文档的成本,但是采用warpper包装的形式,可以直接把返回结果包装一下,例如动态增加一个字段sexName直接返回给前台性别的中文名称即可。
##常见问题答疑
1.
为何有的业务没有service层: 部分业务比较简单,所以就没写service层,写service是为了让复杂业务更有条理,更清晰.
2.
为何既有dao,又有mapper: mapper是mybatis-plus自动生成的,里边有许多mybatis-plus增强的方法,dao是自己写的业务,mybatis-plus自动生成代码时会覆盖mapper,所以就把自己写的dao分开了,生成代码的时候不影响
3.
为何分页是前端实现:部分页面因为数据量比较少,就直接用客户端分页了,日志页面的分页是采用服务端分页的,如果其他业务有特别需要,可以参考日志的写法
##效果图


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@@ -255,3 +260,4 @@ map+warpper方式即为把controller层的返回结果使用BeanKit工具类把



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