2020-08-18

jQuery 增改删查(2)


下拉框
 
![在这里插入图片描述](https://img-blog.csdnimg.cn/20200818123436115.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2MzUwOTM5,size_16,color_FFFFFF,t_70#pic_center)

新增操作
ReturnJson msg = new ReturnJson();
Msg.State = false;
条件判断   里面的参数要注意
 ![在这里插入图片描述](https://img-blog.csdnimg.cn/2020081812350523.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2MzUwOTM5,size_16,color_FFFFFF,t_70#pic_center)

验证是否重复
 ![在这里插入图片描述](https://img-blog.csdnimg.cn/20200818123537322.png#pic_center)

开启事务  图片处理
 ![在这里插入图片描述](https://img-blog.csdnimg.cn/20200818123551249.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2MzUwOTM5,size_16,color_FFFFFF,t_70#pic_center)

新增数据
 ![在这里插入图片描述](https://img-blog.csdnimg.cn/20200818123607970.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2MzUwOTM5,size_16,color_FFFFFF,t_70#pic_center)

视图方面
获取回填参数
 
![在这里插入图片描述](https://img-blog.csdnimg.cn/20200818123629181.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2MzUwOTM5,size_16,color_FFFFFF,t_70#pic_center)

请求   关键字var  layerIndex = layer.load();
 
 ![在这里插入图片描述](https://img-blog.csdnimg.cn/202008181237528.png#pic_center)


 ![在这里插入图片描述](https://img-blog.csdnimg.cn/20200818124014260.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2MzUwOTM5,size_16,color_FFFFFF,t_70#pic_center)


修改操作   查询   两个操作 public
 ![在这里插入图片描述](https://img-blog.csdnimg.cn/20200818124047715.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2MzUwOTM5,size_16,color_FFFFFF,t_70#pic_center)


第二个public
 ![在这里插入图片描述](https://img-blog.csdnimg.cn/20200818124114941.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2MzUwOTM5,size_16,color_FFFFFF,t_70#pic_center)


数据不能重复
 ![在这里插入图片描述](https://img-blog.csdnimg.cn/20200818124136130.png#pic_center)

开启事务
 
![在这里插入图片描述](https://img-blog.csdnimg.cn/20200818124148756.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2MzUwOTM5,size_16,color_FFFFFF,t_70#pic_center)

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转载自blog.csdn.net/m0_46350939/article/details/108074507