publicBooleaninsertStudent(Stringstu_name,Stringstu_sex,intclass_id,intage){ returnstudentsMapper.insertStudent(stu_name, stu_sex, class_id, age); } //修改一个 publicBooleanupdateStudent(intid,Stringstu_name,Stringstu_sex,intclass_id,intage){ returnstudentsMapper.updateStudent(id, stu_name, stu...
@Repository @Mapper public interface UserMapper { User find(String username); List<User> list(); int insert(User user); int delete(int id); int update(User user); } 5.7 开发service层 代码语言:javascript 代码运行次数:0 运行 AI代码解释 @Service public class UserService { @Autowired public ...
"http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.zhang.springboot.mapper.UserMapper"> <!--多选删除--> <delete id="deleteByIds" parameterType="Integer"> delete from user where id in <foreach collection="flowIds" item="id" open="(" separator="," close=")"> ...
AI代码解释 String resource="org/mybatis/example/mybatis-config.xml";InputStream inputStream=Resources.getResourceAsStream(resource);SqlSessionFactory sqlSessionFactory=newSqlSessionFactoryBuilder().build(inputStream); mybatis-config.xml配置文件的一个简单示例如下: 代码语言:javascript 代码运行次数:0 运行 AI...
@RequestMapping(value= "/user",method =RequestMethod.DELETE)publicString deleteUser(){return"DELETE-张三"; } @Bean @ConditionalOnMissingBean(HiddenHttpMethodFilter.class) @ConditionalOnProperty(prefix= "spring.mvc.hiddenmethod.filter", name = "enabled", matchIfMissing =false)publicOrderedHiddenHttpMe...
private void configurationElement(XNode context) { try { String namespace = context.getStringAttribute("namespace"); if (namespace == null || namespace.isEmpty()) { throw new BuilderException("Mapper's namespace cannot be empty"); } builderAssistant.setCurrentNamespace(namespace); cacheRef...
(tests);return "添加成功";}@DeleteMapping@ResponseBodypublic String delete(@PathVariable("id") Integer id){testService.delete(id);return "删除成功";}@PutMapping@ResponseBodypublic String update(@PathVariable("id")Integer id,@RequestBody test test){test.setId(id);testService.update(test);...
背景web课的项目开发中, 有一项是用 mybatis 进行项目开发。而目前的写好的后台仓库层是用 hibernate 进行的全自动化。 为了满足实验报告要求, 决定用mybat...
(tests); return "添加成功"; } @DeleteMapping @ResponseBody public String delete(@PathVariable("id") Integer id){ testService.delete(id); return "删除成功"; } @PutMapping @ResponseBody public String update(@PathVariable("id")Integer id, @RequestBody test test){ test.setId(id); test...
//员工删除 @DeleteMapping("/emp/{id}") public String deleteEmployee(@PathVariable("id") Integer id){ employeeDao.delete(id); return "redirect:/emps"; } 错误处理机制 默认处理 浏览器返回一个默认的错误页面 Whitelabel Error Page This application has no explicit mapping for /error, so you are...