SpringMvc.....................................................................................................................初識(shí) 背 常見(jiàn)MVC框架比 基于spring3.2的采用annotation方式搭建springMVC環(huán) springMVC的RequestMap的基本設(shè) 在controller中獲取web元 將controller中數(shù)據(jù)傳遞到j(luò)sp頁(yè) springMVC的文件上傳于.......................................................................................springMVC和jQuery的Ajax結(jié) SpringMVC SpringMvcSpringWebMVC模塊。使用SpringMVC架構(gòu)，SpringWebStrutsWeb框架。通過(guò)策略接口，Spring框架是POI。SpringMVC框架并不知道使用的視圖，所以不會(huì)強(qiáng)迫您只使用JSP技術(shù)。SpringMVC分離了控spring3.2annotation1、上官 對(duì)應(yīng)的zip包當(dāng)然該zip并 的2、解壓之后得 publicpublicclass{privateStringname;privateIntegerage;privateDatepublicStringgetName()return}publicvoidsetName(Stringname)=}publicUser(Stringname,Integerage,Datebirth)=name;this.age=age;this.birth=}publicIntegergetAge()return}publicvoidsetAge(Integerage)this.age=}publicpublicDategetBirth()return}publicvoidsetBirth(Datebirth)this.birth=}publicUser()//TODOAuto-generatedconstructor}publicUser(Stringname)=name;}publicStringtoString()//TODOAuto-generatedmethodreturn}} <beans"""" " <ponent-scanbase-<mvc:annotation-driven/>支持spring3.0新的mvcpublicclassUserController{ publicpublicStringmodelmodel.addAttribute("message""添加了一個(gè)用return"/WEB-}一章代碼中編寫(xiě)@RequestMap("/user.do").所有的user.do請(qǐng)求都會(huì)進(jìn)入該 publicclassUserControllerpublicStringmodelmodel.addAttribute("message""添加了一個(gè)用return"/WEB-}value：指定請(qǐng)求的實(shí)際地址，指定的地址可以是URITem te模式(最終請(qǐng)求的url為類的注 publicclassUserController{ HttpServletResponsearg1)throwsException{returnnewModelAndView("/WEB-}}可以指定為含有某變量的一類值(URITemtePatternswith publicStringdelete(@PathVariableuserId){return"/WEB-} 使用@PathVariable指定形參接收url可以指定為含正則表達(dá)式的一類值(URITem tePatternswithRegular publicStringupdate(@PathVariableirth);return"/WEB-INF/jsp/addsuc.jsp";}使用@PathVariable指定形參接收urlmethod：指定請(qǐng)求的methodGET、POST、PUT、DELETE(也就是說(shuō)只有制定類型 ：指定4、當(dāng)類沒(méi)有@RequestMap注解時(shí)，則直接參考方法的注解匹配對(duì)于public@RequestMap("/user.do")publicvoid}<formaction<formaction="user.do"用戶名:<inputtype="text:<inputtype="text"生日:<inputtype="text@param@param@param@param publicStringaddUser(Modelmodel,Stringname,Integerage,DatepublicStringaddUser(Modelmodel,Stringname,Integerage,Datebirth){model.addAttribute("message","添加了一個(gè)用戶");System.out.println("name:"+nametage:"+age+"\tbirht:"+birth);return"/WEB-} publicStringaddUser(Modelmodel,Useruser){System.out.println("name:"+user.getName()+return"/WEB-INF/jsp/addsuc.jsp";}當(dāng)然也可以在方法中使用response對(duì)象重定向到其他的url publicStringgetWebElement(HttpServletRequestrequest,HttpServletResponseresponse,HttpSessionsession)throwsIOException,ServletException{request.setAttribute("message","這個(gè)是request中的數(shù)據(jù)");session.setAttribute("message","這個(gè)是session中的數(shù)據(jù)"); //returnreturn"/WEB-} publicModelAndViewStringStringmessage"這個(gè)是要傳遞的數(shù)據(jù) }@SessionAttributes({"message","user"})@SessionAttributes({"message","user"})//modelAndView publicModelAndViewshowData_2(){Stringmessage"這個(gè)是要傳遞的數(shù)據(jù)";Useruser=newUser(" ",12,newDate());List<User>us=newArrayList<User>();us.add(new ",12,newus.add(new ",13,newus.add(new ",14,newModelAndViewmad=newModelAndView("/WEB-mad.addObject("message",message);mad.addObject("users",us);return}<c:forEachitems="${requestScope.users}"${}-${u.age}-${u.birth",ModelMapmap,spring publicStringshowData_3(ModelMapmap){Stringmessage"這個(gè)是要傳遞的數(shù)據(jù)Useruser=Useruser=newUser(" ",12,newDate());List<User>us=newArrayList<User>();us.add(newUser(" ",12,newDate()));us.add(new ",13,newus.add(new ",14,newmap.put("message",message);map.put("users",us);return"/WEB-}request:${requestScope.message}request:${requestScope.message}<br/><c:forEachitems="${requestScope.users}"${}-${u.age}-${u.birth2、重定向必須寫(xiě)作：return <propertyname="suffix"value=".jsp字符串會(huì)添加該后綴字符串會(huì)添加該前綴 實(shí)際跳轉(zhuǎn) 為例如案例中請(qǐng)求為index.do則響應(yīng)的urlindex在視圖解析器解析之后得到的最終的url為/WEB-INF/jsp/index.jsp publicpublicvoidrequest){request.setAttribute("void",} publicModelMapresultModelMap(ModelMapmap){map.put("msg","這里是modleMap中的數(shù)據(jù)");returnmap;} publicMapMap<String,StringmapnewHashMap<String,String>();map.put("msg","這里是Map中的數(shù)據(jù)");return}當(dāng)list中為String類型數(shù)據(jù)時(shí)key為：stringList,當(dāng)為User對(duì)象時(shí)key為:userList。其他的類型的可以類比。 publicListresultList_String(){Listls=newArrayList();return}publicresultList_User()List<UserlsnewArrayList<Userls.add(newUser("張ls.add(newUser("return} publicSet<User>resultSet_User(){Set<User>ls=newHashSet<User>();ls.add(newUser(" return}6、Object返回object時(shí)，響應(yīng)的url和以上一直，spirng publicUserreturnnew }<<bean(ISO-8859-1(10240)<propertyname="uploadTempDir"value="/temp/"名<propertyname="maxUploadSize"value="-1其中屬性<propertyname="uploadTempDir"value="/temp 直接在處理的方法中設(shè)置形參CommonsMultipartFile示例@param@param@param publicStringfileUpLoad(Stringname,@RequestParam("file")CommonsMultipartFilefile,HttpSessionsession){Stringpath=session.getServletContext().getRealPath("/upload/");StringfileName=file.getOriginalFilename();StringfileType=fileName.substring(fileName.lastIndexOf("."));FiletargetFile=newFile(path,newDate().getTime()+fileType);try{}catch(Exception{}}return}@RequestParam("file")CommonsMultipartFile[]@param@param@param publicStringmuFileUpLoad(Stringname,@RequestParam("file")CommonsMultipartFile[]files,HttpSessionsession){if(files!=null&&Stringpath=for(CommonsMultipartFilefile:files)StringfileName=StringfileType=fileName.substring(fileName.lastIndexOf("."));FiletargetFile=newFile(path,newDate().getTime()+fileType);try{}catch(Exception{}}}}return}@param@param@param@param@throws publicvoiddownLoad(HttpSessionsession,HttpServletResponseresponse,StringfileName,booleanisOnline)throwsException{Stringpath=session.getServletContext().getRealPath("/upload/")+"\\"+fileName;Filefile=newFile(path); }BufferedInputStreambufIn=newBufferedInputStream(newbyte[]buff=newbyte[1024];intlen=-1;URLu=newURL("file:///"+path);response.setHeader("Content-Disposition","inline;filename="+fileName);response.setHeader("Content-Disposition","atta }OutputStreamOutputStreamout=}}springMVCjQueryAjax首先:從spring3.1開(kāi)始只要配置了<mvc:annotation-driven就 varusers=name:' age:18,birth:'2014-11-},name:' age:18,birth:'2014-11-},name:' age:18,birth:'2014-11-}type:'POST',contentType:'application/json',dataType:'json',url:'user/saveJsonUser.do',success:function(data){error:{}使用Ajax提交數(shù)據(jù)需要注意的是：contentType'application/json',dataType:'json',Controller中的處理方法的形參需要添加注解@RequestBody而且形如：@RequestBodyUser[@param publicStringsaveJsonUser(@RequestBodyUser[]for(Useruser2:{}return}@param@param public@ResponseBodyStringcheckName(Stringname){name="userNameis:"+name;returnname;}spring@param@param public@ResponseBodyList<User>getUsers(){List<User>us=newArrayList<User>();us.add(newUser("",12,newDate()));us.add(new ",13,newus.add(new ",14,newreturn}@param public@ResponseBodyUserreturnnewUser("老黑",45,new}SpringMVC中器和struts2 或者filter實(shí)現(xiàn)的功能是完全一致的。定義spring器兩種基本方式、實(shí)現(xiàn)接口publicbooleanObjecthandler)throws果方法返回true，則繼續(xù)執(zhí)行action。publicvoid(HttpServletRequestrequest,HttpServletResponseresponse,Objecthandler,ModelAndViewmodelAndView)throwsException HttpServletResponserespon