芯が強い人になるESTJ-A

2022-04-24

# 万能map--mybatis

假设,我们的实体类或数据库中的表,字段或参数过多,我们应当考虑使用Map int addUser2(Map<String,Object> map); User getUserById...

2022-04-22

# springboot--jpa,数据库映射

applicaiton.ymlspring: datasource: driver-class-name: com.mysql.cj.jdbc.Driver username...

2022-04-21

# springboot 拦截器Interceptor

package com.xuwen.config; import org.springframework.context.annotation.Configuration; import or...

2022-04-21

# springboot Config配置

package com.xuwen.config; import org.springframework.context.annotation.Configuration; import o...

2022-04-19

# springmvc接受前端传递的参数方法

测试1:获取表单中的姓名前端部分: <%@ page contentType="text/html;charset=UTF-8" language="java...