Java tutorial
/** * Copyright (c) 2012-2014 http://www.eryansky.com * * Licensed under the Apache License, Version 2.0 (the "License"); */ package com.eryansky.modules.sys.web; import com.eryansky.common.excel.ExcelUtil; import com.eryansky.common.excel.ExportExcel; import com.eryansky.common.model.Datagrid; import com.eryansky.common.model.Result; import com.eryansky.common.orm.Page; import com.eryansky.common.orm.PropertyFilter; import com.eryansky.common.orm.hibernate.EntityManager; import com.eryansky.common.orm.hibernate.HibernateWebUtils; import com.eryansky.common.utils.DateUtils; import com.eryansky.common.utils.StringUtils; import com.eryansky.common.web.springmvc.BaseController; import com.eryansky.common.web.springmvc.SpringMVCHolder; import com.eryansky.common.web.utils.WebUtils; import com.eryansky.modules.sys.entity.Bug; import com.eryansky.modules.sys.entity.Dictionary; import com.eryansky.modules.sys.service.BugManager; import com.eryansky.modules.sys.service.DictionaryManager; import com.eryansky.modules.sys.utils.DictionaryUtils; import com.fasterxml.jackson.annotation.JsonIgnoreProperties; import com.google.common.collect.Lists; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.core.annotation.AnnotationUtils; import org.springframework.stereotype.Controller; import org.springframework.web.bind.WebDataBinder; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.beans.PropertyEditorSupport; import java.io.IOException; import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.util.Date; import java.util.List; /** * bug?Controller. * * @author &Eryan eryanwcp@gmail.com * @date 2013-3-27 ?8:02:39 */ @SuppressWarnings("serial") @Controller @RequestMapping(value = "${adminPath}/sys/bug") public class BugController extends BaseController<Bug, Long> { public final static String SSSION_SEARCH = "BUG_SEARCH"; @Autowired private BugManager bugManager; @Autowired private DictionaryManager dictionaryManager; @Override public EntityManager<Bug, Long> getEntityManager() { return bugManager; } @RequestMapping(value = { "" }) public String list() { return "modules/sys/bug"; } @RequestMapping(value = { "input" }) public String input() { return "modules/sys/bug-input"; } @RequestMapping(value = { "view" }) public String view(@ModelAttribute("model") Bug bug) { return "modules/sys/bug-view"; } /** * ?? * @param binder */ @Override @InitBinder protected void initBinder(WebDataBinder binder) { Object annotationValue = AnnotationUtils .getValue(AnnotationUtils.findAnnotation(entityClass, JsonIgnoreProperties.class)); if (annotationValue != null) { String[] jsonIgnoreProperties = (String[]) annotationValue; binder.setDisallowedFields(jsonIgnoreProperties); } // Date ? binder.registerCustomEditor(Date.class, new PropertyEditorSupport() { @Override public void setAsText(String text) { setValue(DateUtils.parseDate(text)); } }); } @RequestMapping(value = { "_save" }) @ResponseBody public Result save(@ModelAttribute("model") Bug bug) { Result result; // ???? Bug checkBug = bugManager.findUniqueBy("title", bug.getTitle()); if (checkBug != null && !checkBug.getId().equals(bug.getId())) { result = new Result(Result.WARN, "[" + bug.getTitle() + "],!", "title"); return result; } bugManager.saveEntity(bug); result = Result.successResult(); return result; } @Override @RequestMapping(value = { "datagrid" }) @ResponseBody public Datagrid datagrid() { // List<PropertyFilter> filters = HibernateWebUtils.buildPropertyFilters(SpringMVCHolder.getRequest()); Page<Bug> p = new Page<Bug>(SpringMVCHolder.getRequest()); p = getEntityManager().findPage(p, filters); //?bug?? if (p.getResult() != null) { for (Bug bug : p.getResult()) { // Dictionary dictionary = dictionaryManager.getByCode(bug.getType()); Dictionary dictionary = dictionaryManager.getDictionaryByDV(DictionaryUtils.DIC_BUG, bug.getType()); if (dictionary != null) { bug.setTypeName(dictionary.getName()); } else { logger.warn("[{}].", bug.getTitle()); } } } Datagrid<Bug> dg = new Datagrid<Bug>(p.getTotalCount(), p.getResult()); return dg; } @RequestMapping(value = { "import" }) public String _import() { return "modules/sys/bug-import"; } /** * Excel */ @SuppressWarnings("unchecked") @RequestMapping(value = { "importExcel" }) @ResponseBody public Result importExcel(@RequestParam(value = "filedata") MultipartFile file) { Result result = null; List<Bug> bugs = null; List<Bug> bugs_new = Lists.newArrayList(); try { if (file != null) { bugs = (List<Bug>) ExcelUtil.importExcelByIs(file.getInputStream(), Bug.class); if (bugs != null && bugs.size() > 0) { for (Bug bug : bugs) { //??? Bug checkBug = bugManager.findUniqueBy("title", bug.getTitle()); if (checkBug == null) { bug.setVersion(0); // bug.setContent(ClobUtil.getClob(bug.getContentView())); Dictionary dictionary = dictionaryManager.findUniqueBy("name", bug.getTypeName()); if (dictionary != null) { bug.setType(dictionary.getCode()); } else { logger.warn("[{}].", bug.getTypeName()); } bugs_new.add(bug); } else { logger.warn("[{}].", bug.getTitle()); } } } bugManager.saveOrUpdate(bugs_new); result = new Result(Result.SUCCESS, "" + bugs_new.size() + "??.", null); } else { result = new Result(Result.WARN, ".", null); } } catch (IOException e) { logger.error(" " + e.getMessage(), e); result = new Result(Result.ERROR, "", null); } catch (Exception e) { logger.error("?? " + e.getMessage(), e); result = new Result(Result.ERROR, "??", null); } finally { return result; } } /** * Excel */ @SuppressWarnings("unchecked") @RequestMapping(value = { "exportExcel" }) public void exportExcel(HttpServletRequest request, HttpServletResponse response, HttpSession session) throws Exception { // ???? final String fileName = "?.xls"; OutputStream outStream = null; try { // response.setContentType(WebUtils.EXCEL_TYPE); //? WebUtils.setDownloadableHeader(request, response, fileName); //session?? List<PropertyFilter> sessionFilters = (List<PropertyFilter>) session.getAttribute(SSSION_SEARCH); List<Bug> bugs = null; if (sessionFilters != null) { bugs = bugManager.find(sessionFilters, "orderNo", Page.ASC); } else { bugs = bugManager.getAll("id", Page.ASC); } //bugBug?Dictionary?? for (Bug bug : bugs) { String dicStringName = ""; if (StringUtils.isNotBlank(bug.getType())) { dicStringName = DictionaryUtils.getDictionaryNameByDV(DictionaryUtils.DIC_BUG, bug.getType(), null); bug.setTypeName(dicStringName); } } HSSFWorkbook workbook = new ExportExcel<Bug>().exportExcel("?", Bug.class, bugs); outStream = response.getOutputStream(); workbook.write(outStream); } catch (UnsupportedEncodingException e1) { e1.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } finally { try { outStream.flush(); outStream.close(); } catch (IOException e) { } } } }