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jdbctemplate和JDBC连接数据库的对应的步骤是什么？

JDBC

class="cursor-pointer"> 详细描述

如何把代码简成如图所示

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

@Controller
public class DeleteController {
@Autowired
   UserService userService;
   @RequestMapping(value="/delete",method = RequestMethod.POST)
public ModelAndView delete(Integer id){
       userService.deleteUser(id);
       System.out.println("删除成功");
       ModelAndView mv =new ModelAndView();
       mv.setViewName("ActionSuccess");
       return mv;
   }
}

实体类插入数据库后生成的自增id如何返回实体类

数据库

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

tomcat配置虚拟目录问题

jetty/tomcat

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

Tuscany 报错

tuscany

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

<?xml version="1.0" encoding="UTF-8"?>
<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912"
          xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.1"
          targetNamespace="http://server"
          name="server" >
   <component name="ServiceDaoComponent">
       <implementation.spring location="/spring/applicationContext.xml"/>
       <!--<implementation.java        <service name="serverDao">
           <interface.java interface="com.jnshu.service.ServiceDao"/>
           <tuscany:binding.rmi uri="rmi://127.0.0.1:9090/serverDao"/>
       </service>
   </component>
</composite>

postman测接口406问题