使用JSR 303和AOP简化你的接口开发

package net.csdn.blog.chaijunkun.controller; import net.csdn.blog.chaijunkun.entity.Resp; import net.csdn.blog.chaijunkun.entity.Teacher; import net.csdn.blog.chaijunkun.service.TeacherService; import net.csdn.blog.chaijunkun.validation.group.TeacherGroup; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.validation.BindingResult; import org.springframework.validation.annotation.Validated; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; /** * 学生控制器 * @author chaijunkun * @since 2015年4月3日 */ @Controller @RequestMapping(value = "teacher") public class TeacherController { @Autowired private TeacherService teacherService; @ResponseBody @RequestMapping(value = "add", method = {RequestMethod.POST}) public Resp<?> add(@Validated(TeacherGroup.Add.class) Teacher teacher, BindingResult result){ Integer id = teacherService.add(teacher); if (id == null){ return Resp.fail("添加学生信息失败"); }else{ return Resp.success(id); } } @ResponseBody @RequestMapping(value = "del", method = {RequestMethod.GET}) public Resp<?> del(@Validated(TeacherGroup.Del.class) Teacher teacher, BindingResult result){ if (teacherService.del(teacher.getId())){ return Resp.success(true); }else{ return Resp.fail("删除学生信息失败"); } } @ResponseBody @RequestMapping(value = "get", method = {RequestMethod.GET}) public Resp<?> get(@Validated(TeacherGroup.Get.class) Teacher teacher, BindingResult result){ Teacher data = teacherService.get(teacher.getId()); if (data == null){ return Resp.fail("未找到指定学生"); }else{ return Resp.success(data); } } @ResponseBody @RequestMapping(value = "update", method = {RequestMethod.POST}) public Resp<?> update(@Validated(TeacherGroup.Update.class) Teacher teacher, BindingResult result){ if (teacherService.update(teacher)){ return Resp.success(true); }else{ return Resp.fail("更新学生信息失败"); } } }