SpringSide 项目源码

package org.springside.examples.quickstart.web.task; import java.util.Map; import javax.servlet.ServletRequest; import javax.validation.Valid; import org.apache.shiro.SecurityUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.domain.Page; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.servlet.mvc.support.RedirectAttributes; import org.springside.examples.quickstart.entity.Task; import org.springside.examples.quickstart.entity.User; import org.springside.examples.quickstart.service.account.ShiroDbRealm.ShiroUser; import org.springside.examples.quickstart.service.task.TaskService; import org.springside.modules.web.Servlets; import com.google.common.collect.Maps; /** * Task管理的Controller, 使用Restful风格的Urls: * * List page : GET /task/ * Create page : GET /task/create * Create action : POST /task/create * Update page : GET /task/update/{id} * Update action : POST /task/update * Delete action : GET /task/delete/{id} * * @author calvin */ @Controller @RequestMapping(value = "/task") public class TaskController { private static final String PAGE_SIZE = "3"; private static Map<String, String> sortTypes = Maps.newLinkedHashMap(); static { sortTypes.put("auto", "自动"); sortTypes.put("title", "标题"); } @Autowired private TaskService taskService; @RequestMapping(value = "") public String list(@RequestParam(value = "page", defaultValue = "1") int pageNumber, @RequestParam(value = "page.size", defaultValue = PAGE_SIZE) int pageSize, @RequestParam(value = "sortType", defaultValue = "auto") String sortType, Model model, ServletRequest request) { Map<String, Object> searchParams = Servlets.getParametersStartingWith(request, "search_"); Long userId = getCurrentUserId(); Page<Task> tasks = taskService.getUserTask(userId, searchParams, pageNumber, pageSize, sortType); model.addAttribute("tasks", tasks); model.addAttribute("sortType", sortType); model.addAttribute("sortTypes", sortTypes); // 将搜索条件编码成字符串，用于排序，分页的URL model.addAttribute("searchParams", Servlets.encodeParameterStringWithPrefix(searchParams, "search_")); return "task/taskList"; } @RequestMapping(value = "create", method = RequestMethod.GET) public String createForm(Model model) { model.addAttribute("task", new Task()); model.addAttribute("action", "create"); return "task/taskForm"; } @RequestMapping(value = "create", method = RequestMethod.POST) public String create(@Valid Task newTask, RedirectAttributes redirectAttributes) { User user = new User(getCurrentUserId()); newTask.setUser(user); taskService.saveTask(newTask); redirectAttributes.addFlashAttribute("message", "创建任务成功"); return "redirect:/task/"; } @RequestMapping(value = "update/{id}", method = RequestMethod.GET) public String updateForm(@PathVariable("id") Long id, Model model) { model.addAttribute("task", taskService.getTask(id)); model.addAttribute("action", "update"); return "task/taskForm"; } @RequestMapping(value = "update", method = RequestMethod.POST) public String update(@Valid @ModelAttribute("task") Task task, RedirectAttributes redirectAttributes) { taskService.saveTask(task); redirectAttributes.addFlashAttribute("message", "更新任务成功"); return "redirect:/task/"; } @RequestMapping(value = "delete/{id}") public String delete(@PathVariable("id") Long id, RedirectAttributes redirectAttributes) { System.out.println("=================删除"); taskService.deleteTask(id); redirectAttributes.addFlashAttribute("message", "删除任务成功"); return "redirect:/task/"; } /** * 所有RequestMapping方法调用前的Model准备方法, 实现Struts2 Preparable二次部分绑定的效果,先根据form的id从数据库查出Task对象,再把Form提交的内容绑定到该对象上。 * 因为仅update()方法的form中有id属性，因此仅在update时实际执行. */ @ModelAttribute() public void getTask(@RequestParam(value = "id", required = false) Long id, Model model) { if (id != null) { model.addAttribute("task", taskService.getTask(id)); } } /** * 取出Shiro中的当前用户Id. */ private Long getCurrentUserId() { ShiroUser user = (ShiroUser) SecurityUtils.getSubject().getPrincipal(); return user.id; } }