电力系统技术总结笔记0天

电力系统总结笔一：项目第一天（项目框架jar包（1）在 .elec.中创建publicpublicclassElecTextimplementsjava.io.Serializable<?xml<?xmlversion="1.0"encoding="UTF-<!DOCTYPEhibernate- "-//Hibernate/HibernateMap DTD3.0//EN" <class .ElecText"<idname="textID"type="string"<generator<propertyname="textName"type="string"<propertyname="textDate"type="date"<propertyname="textRemark"type="string"privateStringtextID; privateStringtextName; privateDatetextDate; privateStringtextRemark;//测试备publicStringgetTextID()return}publicvoidsetTextID(StringtextID)this.textID=}publicStringgetTextName()return}publicvoidsetTextName(StringtextName)this.textName=}publicDategetTextDate()return}publicvoidsetTextDate(DatetextDate)this.textDate=}publicStringgetTextRemark()return}publicvoidsetTextRemark(StringtextRemark)this.textRemark=}}><?xml<?xmlversion="1.0"encoding="UTF-<!DOCTYPEhibernate-configuration"-//Hibernate/HibernateConfigurationDTD3.0//EN"连接数据库的信息 <property<property<property<property<!--加 文件-- （4）junittestpublicclassTestHibernatepublicvoidConfigurationconfiguration=newConfiguration(); SessionFactorysf=configuration.buildSessionFactory();Sessions=sf.openSession();Transactiontr= ecText=newElecText();elecText.setTextDate(newDate());}}第四步：DAO在cn..elec.dao中创建2个接口（公用接口和业务接口publicpublicinterfaceICommonDao<T>voidsave(T}业务接口（需要继承公共接口，并且指定泛型TpublicpublicinterfaceIElecTextDaoextendsICommonDao<ElecText>publicstaticfinalStringSERVICE_NAME= }在 .elec.dao.impl中创建2个接口的实现}}publicvoidsave(Tentity)}publicfinalvoidsetSessionFactoryDi(SessionFactorysessionFactory){}ICommonDao<T>publicclassCommonDaoImpl<T>extendsHibernateDaoSupportpublicclassElecTextDaoImplextendsCommonDaoImpl<ElecText>IElecTextDao}}srcspring的配置文件<?xmlversion="1.0"encoding="UTF-<beans <!--1：开启对注解的支持，组件的自动扫描，扫描在类上定义的@Controller@Service .elec的包--> ponent-scanbase- 2先不写，大家想想项目中应该添加什么？ <beanid="sessionFactory"加载类路径下的hibernate.cfg.xml<property 事务管理器(切面<beanid="trManager"<propertyname="sessionFactory"5:注解，在Service的类或者是Service的方法上，添加@Transcational()注解,用来控制事务--><tx:annotation-driventransaction-<!--<tx:advice<tx:adviceid="aa"transaction-<tx:methodname="update*"isolation="DEFAULT"propagation="REQUIRED"read-only="false"/><tx:methodname="delete*"isolation="DEFAULT"propagation="REQUIRED"read-only="false"/><tx:methodname="*"read-<aop:pointcutexpression="execution(* .elec.service..*.*(..))"id="bb"/><aop:advisoradvice-ref="aa"pointcut-junitpublicpublicclassTestDaopublicvoidApplicationContextac=newIElecTextDaoelecTextDao=(IElecTextDao) ecText=newElecText();elecText.setTextDate(newDate());}}使用hibernate的方式提交事务（自动提交）<property 第五步：Service在cn..elec.service中创建接口publicpublicinterfaceIElecTextServicepublicstaticfinalStringSERVICE_NAME void }（2）publicclassElecTextServiceImplimplementsIElecTextServiceprivateIElecTextDaoelecTextDao;publicvoidsaveElecTex ecText){}}（3）使用junit由于由于spring提供的式事务处理，进行事务的控制，在业务层的类和方法上定义publicclassTestServicepublicvoidsave(){ApplicationContextac=newIElecTextServiceelecTextService=(IElecTextService) ecText=newElecText();elecText.setTextDate(newDate()); }}@Transactional()，同时去掉hibernate.cfg.xml中的配置，由spring控制。去掉的代<property 第六步：控制层（@Scoevalue=prototyeAction是多实例，多线程publicclassElecTextActionextendsecText=privateIElecTextServicepublicStringreturn"save";}}publicpublicClassentityClass=tryentity=(T)}catch(Exceptione){}TprotectedHttpServletRequestprotectedHttpServletResponseModelDriven<T>,ServletRequestAware,ServletResponseAwarepublicclassBaseAction<T>extendsActionSupport}}publicTgetModel()return}publicvoidsetServletRequest(HttpServletRequestreq)this.request=}publicvoidsetServletResponse(HttpServletResponseres)this.response=}}在cn..elec.util包下创建公用类（泛型转换publicclassTUtilspublicclassTUtilspublicstaticClassgetTClass(Classentity){ParameterizedTypeparameterizedType=(ParameterizedType)ClassentityClass=(Class)return}}srcstruts2<?xml<?xmlversion="1.0"encoding="UTF-<!DOCTYPEstruts"-//ApacheSoftwareFoundation//DTDStrutsConfiguration2.3//EN" <constantname="struts.devMode"<!--设置 <constantname="struts.ui.theme" <constantname="struts.action.extension"系统管理<package<packagename="system"namespace="/system"extends="struts-<actionname="elecTextAction_*"class="elecTextAction"<result<web-appversion="2.5"" <web-appversion="2.5"" 器）--<<e-<点击【保存】完成。测试保存ElecTextSSHpublicclassCommonDaoImpl<T>extendsHibernateDaoSupport ICommonDao<T>ICommonDao<T>ClassentityClass=publicfinalvoidsetSessionFactoryDi(SessionFactorysessionFactory)}publicvoidsave(Tentity)}publicvoidupdate(Tentity)}publicTfindObjectByID(Serializableid)return(T)this.getHibernateTemplate().get(entityClass,}publicvoiddeleteObjectByIDs(Serializable...ids)if(ids!=null&&for(SerializableObjectentity=this.findObjectByID(id);}}}publicvoiddeleteObjectByCollection(List<T>list)} *SELECToFROMElecTextoWHERE1=1 ANDo.textNameLIKE'%张%' ANDo.textRemarkLIKE'%张%' ORDERBYo.textDateASC,o.textName publicList<T>findCollectionByConditionNoPage(StringfinalObject[]params,Map<String,String>orderby)Stringhql="SELECToFROM"+entityClass.getSimpleName()+"oWHERE1=1";StringorderByHql=this.initOrderByHql(orderby);finalStringfinalHql=hql+condition+ List<T>list=this.getHibernateTemplate().find(finalHql, SessionFactorysf= Sessions= Queryquery= query.setParameter(0, query.setParameter(1, List<T>list=List<T>list=this.getHibernateTemplate().execute(newHibernateCallback(){publicObject nHibernate(Sessionsession)throwsHibernateException,SQLException{Queryquery=session.createQuery(finalHql);if(params!=null&¶ms.length>0){for(inti=0;i<params.length;i++){query.setParameter(i,params[i]);}}return}return}privateStringinitOrderByHql(Map<String,String>orderby){StringBufferbuffer=newStringBuffer("");if(orderby!=null&&orderby.size()>0){buffer.append("ORDERBYforfor(Map.Entry<String,String>map:orderby.entrySet()){buffer.append(map.getKey()+""+map.getValue()+",");}}return}}4Mavenpom.xml通过坐标（jar包导入到项目中，如果版本升级，只需要改ssh（SSH）ssh需要的pom.xml第一步：在eclipsemaven工程maven工程src/main/javajava文件src/main/resources：存放配置文件src/test/javajava文件5Svn优点：使得项目组开发代码使用svn服务器进行版本控制常用令：Share查看svn的。6：java7（stuts2+sprin+hiberate二：项目第二天（运行（2）（3）标题是/title.jsp左侧菜单是frame框架改变是<FRAMESETborder=0frameSpacing=0rows=82,*<FRAMESETborder=0frameSpacing=0rows=82,*frameBorder=0<FRAMEname=topFramenoResizeontextPath<FRAMESETid="main"border="0"frameSpacing="0"frameBorder="0"<FRAME<framename="changeButton"ontextPath/left.jsp"ontextPath/change.jsp"marginHeight=0marginWidth=0scrolling=no<FRAMEontextPath/loading.jsp"（4）（5）ontextPath.css"ontextPath<linkrel="stylesheet"ontextPath.css"ontextPath<linkrel="stylesheet"<script ontextPath <script ontextPath<linktype="text/css"ontextPath}/script/jquery-ztree-<scriptontextPath}/script/jquery-<script<TABLE<TABLEborder=0<TDwidth=340pxalign=center<div<ul Tree"class="tree"id第二步：tree.js ={setting:{isSimpleData:true,treeNodeKey:"mid",treeNodeParentKey:"pid",showLine:true,root:isRoot:true,nodes:[] ={setting:{isSimpleData:true,treeNodeKey:"mid",treeNodeParentKey:"pid",showLine:true,root:isRoot:true,nodes:[]}}.setting, varprivilegeDate=mid:pid:isParent: name:'技术设施 varprivilegeDate=mid:pid:isParent: name:'技术设施 { }]},mid:pid:name技术资料图纸管理 isParent:true,{ }]（6）functionfunction{ { ontextPath}}else{ ontextPath}}change.jsphome.jsphome.jsp通过框架加载change.jspchange.jspparenthome.jsp中的（7）function{ function{ { }else { }} { }else { }}}}functionwindow}}functionwindow}使用DIV控制数据的隐藏和显actingIndex.jsp中添加功能：js<link<linkhref="${pageContext<scriptlanguage="javascript"src="${pageContext ontextPath<tablecellspacing="0"cellpadding="1"rules="all"bordercolor="gray"border="1"id="DataGrid1"style="BORDER-RIGHT:gray1pxsolid;BORDER-TOP:gray1pxsolid;BORDER-LEFT:gray1pxsolid;WIDTH:100%;WORD-BREAK:break-all;BORDER-BOTTOM:gray1pxsolid;BORDER-COLLAPSE:collapse;BACKGROUND-COLOR:#f5fafe;WORD-WRAP:break-><tdalign="center"width="40%"height=22 ontextPath/images/tablehead.jpg">站点运行<tdalign="center"width="40%"height=22 ontextPath/images/tablehead.jpg">设备运行<tdalign="center"width="20%"height=22 ontextPath/images/tablehead.jpg">创建日期<divid="showInfomation"style="visibility:<tronmouseover="this.style.backgroundColor='white'"onmouseout="this.style.backgroundColor='#F5FAFE';"><tdstyle="HEIGHT:22px"align="center"<divclass="scrollStyle"align="left"onmouseover="showInfoWithPanel(this)"onmouseout="hiddenInfoPanel(this)"<s:property<s:property<tdstyle="HEIGHT:22px"align="center"<divclass="scrollStyle"align="left"onmouseover="showInfoWithPanel(this)"onmouseout="hiddenInfoPanel(this)"<s:property<tdstyle="HEIGHT:22px"align="center"<s:datename="createDate"format="yyyy-MM-dd控制文本域的输入字数第一步：在actingIndex.jsp<script<scriptlanguage="javascript"src="${pageContextontextPath <tdclass="ta_01"align="centerbgcolor="#f5fafe"width="15%"><tdclass="ta_01"bgcolor="#ffffff"style="word-break:break-<s:textareaname="stationRun"id="stationRun"cssStyle="width:500px;height:160px;padding:1;FONT-FAMILY:宋体;FONT-SIZE:9pt"<tdclass="ta_01"align="centerbgcolor="#f5fafe"width="15%"><tdclass="ta_01"bgcolor="#ffffff"style="word-break:break-padding:1;FONT-FAMILY:宋体;FONT-SIZE:9pt"jsfunctionfunctionvarstationRun=newBs_LimitedTextarea('stationRun',2500);stationRlineCssStyle="font-family:arial;font-size:11px;color:gray;";vardevRun=newBs_LimitedTextarea('devRun',2500);devRlineCssStyle="font-family:arial;font-size:11px;color:gray;";}}弹出窗口（windo.open()<input<inputstyle="font-size:12px;color:black;height=20;width=80" ontextPath;scriptfunction.js//open//opensizedfunctionopenWindow(sHref,strWidth,strHeight){varstrLeft=(screen.availWidth-strWidth)/2;varstrTop=(screen.availHeight-strHeight)/2;varstrRef="";varopenerobj=window.open(sHref,'newwin',strRef,false);}关闭窗口functionfunction}opener可以调用父页面的窗口对象，其中actingIndex.jsp（父页面）exportExcel.jsp（子页面exportExcel.jsp（子页面）openeractingIndex.jsp中的对象3：FCK旧版本：FCKfckTestmyeclipse下，发布项目，并运行fckTest的项目。fckEditmyeclipsefckEdit的项目。jseclipsemyeclipsejs，此时会非常浪费时间。由于这里使用的CkEditor+CKFinder也使用很多的js，所如果以后大家开发extjsjqueryeasyUI的项目，要求按照该方法去配置。整合项目的操作步骤：参照【技术资料\FCK文本编辑器\版本\ckeditor配置资料】中的config.skin'office2003编辑器皮肤样//config.skin'office2003编辑器皮肤样////config.toolbar=////config.toolbar=//使用自定义config.toolbar['Source','Preview','-['Undo','Redo','-','Find','Replace','-','SelectAll',['Image','Flash','Table','HorizontalRule','S ['Bold','Italic','Underline','-','Subscript',['NumberedList','BulletedList','-','Outdent','Indent','Blockquote'],['JustifyLeft','JustifyCenter','JustifyRight','JustifyBlock'],['Link','Unlink','Anchor'],['Format','Font', ize','ShowBlocks','-',定义编辑器显示的效果4：js1：文件上传、（IO流2：数据的导入、导出（IO流4：数5：js123：系统（产生报告…，js三：项目第三天（数据字典2：hqlsqlStringStringhql="SELECTDISTINCTo.keywordFROMElecSystemDDLList<Object>list=StringStringhql="SELECTDISTINCTo.keyword,o.ddlNameFROMElecSystemDDLList<Object[]>list=StringStringhql="SELECTo,o.ddlNameFROMElecSystemDDLList<Object[]>list= Stringhql="SELECToFROMElecSystemDDL ecSystemDDL>list=（5）如果是hqlhqlFROMFROMElecSystemDDLecSystemDDL>list=3：页面使用select进行遍历 <option<s:iteratorvalue="#request.list"<optionvalue="<s:property<s:property<s:select<s:selectlist="#request.list"name="keyword"id="keyword"listKey="keyword"listValue="keyword"headerKey="jerrynew"headerValue=""cssClass="bg"cssStyle="width:180px"Jsfunctionfunctionvartb1=vartempRow$("#dictTbltr").size();//获取表格的行数var$tdNum=$("<tdalign='center'></td>");$tdNumvar$tdName=$("<td$tdName.html("<inputname=\"itemname\"type=\"text\"id=\""+tempRow+"\"size=\"45\"varvar$tdDel=$("<td$tdDelhtml("<ahref='javascript:delTableRow(\""+tempRow+"\")'><imgsrc=${pageContextreq ontextPath}/images/delete.gifwidth=15height=14border=0//创建tr，将3个td放置到trvar$tr=}functionvartb1=$("#dictTbl");vartempRow$("#dictTbltr").size();//获取表格的行数if(tempRow>rowNum){//获取删除行的id指定的对象，例如：<inputname=\"itemnametype=\"textid=\""+tempRow+"\"size=\"45\"maxlength=25>for(i=(parseInt(rowNum)+1);i<tempRow;i++){ $("#"+i).parent()next().html("<ahref='javascript:delTableRow(\""+(i-1)+"\")'><imgsrc=${pageContextreq ontextPath}/images/delete.gifwidth=15height=14border=0}}}Jspborder="1"style="BORDER-RIGHT:gray1pxsolid;BORDER-TOP:gray1pxsolid;BORDER-LEFT:gray1pxsolid;WIDTH:100%;WORD-BREAK:break-all;BORDER-BOTTOM:gray1pxsolid;BORDER-BACKGROUND-COLOR:#f5fafe;WORD-WRAP:break-<table cellpadding="1"rules="all"><tdclass="ta_01"align="center"width="20%"height=22 ontextPath}/images/tablehead.jpg"><tdclass="ta_01"align="center"width="60%"height=22 ontextPath/images/tablehead.jpg">名称<tdclass="ta_01"align="center"width="20%"height=22 ontextPath/images/tablehead.jpg">删除<tdclass="ta_01"align="center"<tdclass="ta_01"align="center"<inputname="itemname"type="text"size="45"<tdclass="ta_01"align="center"在使用 实现表格添加行和删除行的时候 获取页面填写的值，此时是一Ajax操作 对象：xmlreq=new ontextPath jsontextPathpub.jsvarvarreq=varhandlerFunction=Pub.getReadyStateHandler(req,req.onreadystatechange= req.open("POST",action, varstr=Pub.getParams2Str(sForm);}*创建ajax引*创建ajax引Pub.newXMLHttpRequest=functionnewXMLHttpRequest()varxmlreq=if(window.XMLHttpRequest){xmlreq=newXMLHttpRequest();}elseif(window.ActiveXObject)tryxmlreq=new}catch(e1)tryxmlreqxmlreq=new}catch(e2)}}}return}*@paramsForm：传递表单Form1*@paramsForm：传递表单Form1Pub.getParams2Str=functionvartryvar ifreturnvarfor(varfld=0;fld<objForm.elements.length;fld++){elt=objForm.elements[fld];strDiv=strDiv+strDiv=strDiv+}}catch(ex)return}return}*@paramreq:@parameleid：表单Form2@returnsPub.getReadyStateHandler=functiongetReadyStateHandler(req,eleid,responseXmlHandler){returnfunction() if(req.readyState==4) 果if(req.status==200) }elsealert("HTTPerror:return}}}方法五：将返回的结果dictionaryEdit.jsp，并放置到dictionaryIndex.jsp的Form2@paramdata@paramdata：服务器返回的结@parameleid：表单Form2Pub.handleResponse=functionvarele ele.innerHTML=data;}6：DOMfunctionfunction{var{if(str.charAt(i)!=""&&str.charAt(i)!="}}return}function{var{if(str.charAt(i)!="}return}function{return} return}了解：springc3p0，大家只要会配置即可，进度条（百分比）四：项目第四天（用户管理3：jqueryajaxstrutsjson<packagename="system"namespace="/system"extends="json-<!--默认将栈顶的对象，转换成<!--默认将栈顶的对象，转换成json对象，如果栈顶是一个集合，转换成json数组<resultname="findJctUnit"functionfindJctUnit(o){varfunctionfindJctUnit(o){varjct=$("#jctUnitIDoption")remove();if(data!=null&&for(varvarddlCode=data[i].ddlCode;varddlName=data[i].ddlName;var$option=}}}ActionList集合放置到栈顶，struts2publicpublicStringStringjctID=elecUser.getJctID(); ecSystemDDL>listreturn}ListListjson化。Listjsonjson化<!--默认将栈顶的对象，转换成json对象，如果栈顶是一个集<!--默认将栈顶的对象，转换成json对象，如果栈顶是一个集合，转换成json数组<resultname="findJctUnit"<param4：jqueryajax<packagename="system"namespace="/system"extends="json-<result<resultname="checkUser"的数据结果<param对象中的某个属性被json<param<paramfunctioncheckUser(o){varlogonName=$(o).val();$("#check").html("<fontcolor='red'>登录名不能为空</font>");ofocus();}else$(o)[0]}}}第四步：在ActionStringmessagepublicpublicStringStringlogonName=elecUser.getLogonName(); Stringmessage=returnreturn}第五步：在ServicemessagepublicpublicStringcheckUserByLogonName(StringlogonName){Stringmessage="";Stringcondition="ando.logonName=?";Object[]params={logonName}; if(list!=null&&list.size()>0){findCollectionByCmessage="2";}message=}}message=}return} { returnfalse;}}Jsfunctionfunction{varpatternif(pattern.test(strNumber))returnreturnreturn} 文件下传publicpublicclassFileUploadUtils*完成文件上 开publicstaticStringfileUploadReturnPath(Fileupload,StringuploadFileName,Stringmodel){Stringbasepath=Stringdatepath=DateUtils.dateToString(newStringperfixStringStringfilename=StringmodelPath=basepath+datepath+model;FiledateFile=new}FiledestFile=newreturn"/upload"+}publicstaticvoidmain(String[]args)throwsException FilesrcFile=newFiledestFile=new//FileUtils.copyFile(srcFile,booleanflag=srcFile.renameTo(destFile);}}<form<form<sfilename="upload"id="upload"cssStyle="width:450px;"></s:file>privateprivateFile[]privateString[]privateString[]<sfilename="upload"id="upload"<sfilename="upload"id="upload"cssStyle="width:450px;"></s:file>struts2提供的文件ActionpublicpublicStringdownload()throwsStringid=elecUser.getFileID();ElecUserFileelecUserFile=Stringpath= StringStringname=//处理中文问题，或者使用：nameURLEncoder.encode(name,UTF-8");name=newString(name.getBytes("gbk"),"iso-8859-1"); InputStreamin=newFileInputStream(newOutputStreamout=for(intb=-1;(b=in.read())!=-1;){}return}struts2提供的文件InputStream类型的属性，用来存放文件的输入流struts.xmlinputName的值一致。publicStringdownload()throwspublicStringdownload()throwsException{Stringid=elecUser.getFileID();ElecUserFileelecUserFile=StringStringpath= Stringname=//处理中文问题，或者使用：nameURLEncoder.encode(name,UTF-8");name=newString(name.getBytes("gbk"),"iso-8859-1");request.setAttribute("filename",name);InputStreamin=newFileInputStream(newreturn"fileSuccess";}8：使用md5的加理用户第一步：导入工具类，放置到cn..elec.util包privateprivatevoidmd5Password(ElecUserelecUser)StringlogonPwd=Stringmd5LogonPwd=logonPwd="123";}Stringpassword= 与输入 ifif(StringUtils.isNotBlank(password)&&password.equals(logonPwd)){md5LogonPwd=logonPwd;} 加MD5keyBeanmd5keyBean=newMD5keyBean();md5LogonPwd=md5keyBean.getkeyBeanofStr(logonPwd);}} <s:hiddenname="password"jquery的ajax完成业务操作，文件的上传和了解知识：md5的加密五：项目第五天（角色管理角色和权限的关系：不使用JsfunctioncheckAllOper(oper){}functiongoSelect(id){vararray===//}//}}}var$check=varflag=flag=true;returnfalse;}}}}}JspbgColor=bgColor="#f5fafe"border="0"<tdclass="ta_01"colspan=2align="left"width="100%"全选/全不选<inputtype="checkbox"<tablecellspacing="0"align="center"width="100%"cellpadding="1"rules="all"bordercolor="gray"border="1"style="BORDER-RIGHT:gray1pxsolid;BORDER-TOP:gray1pxsolid;BORDER-LEFT:gray1pxsolid;WORD-BREAK:break-all;BORDER-BOTTOM:gray1pxsolid;BORDER-COLLAPSE:collapse;BACKGROUND-COLOR:#f5fafe;WORD-WRAP:break-<s:iftest="#request.popedomList!=null&&<s:setvalue="%{'1'}"scope="request"<s:iteratorvalue="#request.popedomList"<s:if<s:if<s:setvalue="%{'1'}"scope="request"<tronmouseover="this.style.backgroundColor='white'"onmouseout="this.style.backgroundColor='#F5FAFE';"><tdclass="ta_01"align="left"width="18%"height="22"background="../images/tablehead.jpg"><s:if<inputtype="checkbox"name="selectoper"id="<s:propertyvalue="#popedom.mid"/>_<s:propertyvalue="#popedom.mid"/>"value="<s:propertyvalue="#popedom.pid"/>_<s:propertyvalue="#popedom.mid"/>"onClick='goSelect(this.id)'checked="checked"><inputtype="checkbox"name="selectoper"id="<s:propertyvalue="#popedom.mid"/>_<s:propertyvalue="#popedom.mid"/>"value="<s:propertyvalue="#popedom.pid"/>_<s:propertyvalue="#popedom.mid"/>"onClick='goSelect(this.id)'><s:property<s:if<tdclass="ta_01"align="left"width="82%"height="22">s:setvalue="%{'2'}"scope="request"var="flag"></s:set><s:if<inputtype="checkbox"name="selectoper"value=value="#popedom.pid"/>_<s:propertyvalue="#popedom.mid"/>"value="<s:propertyvalue="#popedom.pid"/>_<s:propertyvalue="#popedom.mid"/>"onClick='goSelect(this.id)'checked="checked"><inputtype="checkbox"name="selectoper"id="<s:propertyvalue="#popedom.pid"/>_<s:propertyvalue="#popedom.mid"/>"value="<s:propertyvalue="#popedom.pid"/>_<s:propertyvalue="#popedom.mid"/>"onClick='goSelect(this.id)'><s:property<inputtype="hidden"name="roleID"在使用<inputtype=”checkbox”>进行保存的时候，获取页面选中复选框value的属性值，此时是一个String类型的数组对象，可以采用遍历数组的方式，保存数据。<setname="elecRoles"<setname="elecRoles"table="elec_user_role"inverse="true"<column<column<many-to-many.ElecRole"elec_user_role的数据可以删除，但是角色表中数据也会被删除，这样显说明，由角色一端负责关联关系：也就是说角色可以操作用户，用户不能操作角色。重点：角色管理的开发，多和多的关联关系（hibernate，不使用六：项目第六天（系统登录1：struts2的validator校验（校验Js校验（前台校验Ajax校验 校验Struts2的validator校验 校验 校第一步：在Actionthis.addFieldError("error用户名输入有误！");return"error";}<action<actionAction_*"Action"<resultname="error">/WEB- /index.jsp中，定义：使用struts2的，输出错误信息：src2template/simplefielderror.ftl的文件放置到该文件夹下，此时启动的时候，就会覆盖struts包的下加载的内容<#list<#listeKeysas<#assigneValue=<#listeValueas<font<#if2：hibernatepublicpublicElecUserfindUserByLogonName(Stringname){Stringcondition="ando.logonName=?";Object[]params={name}; ecUser>list=elecUserDao.findCollectionByConditionNoPage(condition,params,null);ElecUserelecUser=null;if(list!=null&&list.size()>0){elecUser=}* returnelecUser;}方案二：在Service层的方法中（Session关闭之前publicpublicElecUserfindUserByLogonName(Stringname){Stringcondition="ando.logonName=?";Object[]params={name}; ecUser>list=elecUserDao.findCollectionByConditionNoPage(condition,params,null);ElecUserelecUser=null;if(list!=null&&list.size()>0){elecUser=}* returnelecUser;}}<setname="elecRoles"table="elec_user_role"<setname="elecRoles"table="elec_user_role"inverse="true"<column<many-to-many.ElecRole"建议项目开发中不要在.hbm.xmllazy=false，这样如果表关联比较多，不需要springOpenSessionInViewFilterweb容器中添加该过滤器web.xml中添加：的懒加载问题 1：事务提1：事务提交：spring提供 式事务控制，仍然在业务层的方法进行处理，方执行完毕后，事务会自动提交，如果出现异常，事务就会回滚。但是它延迟了执行完毕后，事务会自动提交，如果出现异常，事务就会回滚。但是它延迟了Session。OpenSessionInViewFilter，这样Session不关闭，另一个Session就无法，连接不第一步：index.jsp<tdwidth="100"><img ontextPath}/images/check.jpg"width="75"<inputtype="text"name="checkNumber"id="checkNumber"value=""maxlength="4"size="7"><imgsrc="${pageContext.req name="imageNumber"id="imageNumber"style="cursor:hand"title="点击可更换 height="20"onclick="checkNumberImage()"/>JsfunctionfunctionvarimageNumber imageNumber.srcimageNumber.src=}RandomRandomrandom=newRandom();StringsRand="";for(inti=0;i<4;i++)Stringrand=String.valueOf(random.nextInt(10));sRand+=rand;}将认证码存入tryImageIO.write(image,"JPEG",}catch(Exceptione)}第二步：在Action中进行校验，创建LoginUtilspublicpublicclassLogonUtilspublicstaticbooleancheckNumber(HttpServletRequestrequest)StringcheckNumber=returnfalse;} 的StringCHECK_NUMBER_KEY=returnfalse;}return}}第一步：index.sp<tdwidth="100"><imgontextPath}/images/remeber.jpg"<inputtype="checkbox"name="remeberMe"id="remeberMe"publicpublicclassLogonUtilspublicstaticvoidremeberMe(Stringname,Stringpassword,HttpServletRequestrequest,HttpServletResponseresponse){ = = StringremeberMe=if(remeberMe!=null&&remeberMe.equals("yes")){ } }}}Stringname="";Stringpassword="";Stringchecked=""; s= s!=null:name= checked="checked";} password= }}}index.jsp中的数据，jspjavajavajspjspjava代码，然后再执行。效率会降java代码抽取出去呢？publicpublicclassSystemFilterimplementsFilterpublicvoidinit(FilterConfigconfig)throwsServletException} publicvoiddoFilter(ServletRequestreq,ServletResponseres,FilterChainchain)throwsIOException,ServletException{HttpServletRequestrequest=(HttpServletRequest)HttpServletResponseresponse=(HttpServletResponse) Stringpath= chain.doFilter(request,}publicvoiddestroy()} privatevoidforwordIndexPage(Stringpath,HttpServletRequestrequest){if(path!=null&&path.equals("/index.jsp")){Stringname="";Stringpassword="";Stringchecked=""; s=request.get s!=null&& name= try{name=URLDecoder.decode(name,"UTF-}catch(UnsupportedEncodingExceptione){}checked=} password= }}}request.setAttribute("name",name);request.setAttribute("password",password);request.setAttribute("checked",checked);}}}}自定义过滤器，要求添加到struts2自定义过滤器，要求添加到struts2 测试后：发现问题：如果name中存在中文，此时中文字符是不能存放到对象中，使用HttpResponse对象添加会抛出异常。在过滤器SystemFiltername：tryname=在过滤器SystemFiltername：tryname=URLEncoder.encode(name,"UTF-}catch(UnsupportedEncodingExceptione){} = = name= tryname=URLDecoder.decode(name,"UTF-}catch(UnsupportedEncodingExceptione){}checked=}5：jqueryztree插件的使用（完成动态加载树型结构left.jsp<<scriptontextPath}/script/jquery-<scriptontextPath}/script/jquery-ztree-<script ontextPath <linktype="text/css"ontextPath.css"Left.jsp中使用<TABLE<TABLEborder=0<TDwidth=340pxalign=center<div<ul Tree"class="tree".js ={setting:{isSimpleData:true,treeNodeKey:"mid",treeNodeParentKey:"pid",showLine:true,root:isRoot:true,nodes:[]} .setting,}publicStringpublicStringStringpopedom=(String) ecPopedom>list=return }publicecPopedom>findPopedomListByUser(Stringpopedom)publicecPopedom>findPopedomListByUser(Stringpopedom)Stringcondition="ando.midIN('"+popedom.replace("@","','")+"')AND =?";Object[]params=Map<String,String>orderby=newLinkedHashMap<String,String>();orderby.put("o.mid","asc"); ecPopedom>list=elecPopedomDao.findCollectionByConditionNoPage(condition,params,orderby);return}将集合压入到栈顶，集合返回页面的时候，转换成json的形将集合压入到栈顶，集合返回页面的时候，转换成json的形式<result "精确到Session的权限控制（判断Session是否存在publicclassSystemFilterimplementsFilterpublicclassSystemFilterimplementsFilterList<StringlistnewArrayList<String>();publicvoidinit(FilterConfigconfig)throwsServletException } publicvoiddoFilter(ServletRequestreq,ServletResponseres,FilterChainchain)throwsIOException,ServletException{HttpServletRequestrequest=(HttpServletRequest)req;HttpServletResponseresponse=(HttpServletResponse)res; Stringpath= chain.doFilter(request,response);}ElecUserelecUser=chain.doFilter(request,response);}}publicvoiddestroy()}} privatevoidforwordIndexPage(Stringpath,HttpServletRequestrequest)if(path!=null&&path.equals("/index.jsp")){Stringname="";Stringpassword="";Stringchecked=""; s= s!=null:name tryname=URLDecoder.decode(name,"UTF-}catch(UnsupportedEncodingExceptione){}checked=} password= }}}request.setAttribute("name",name);request.setAttribute("password",password);request.setAttribute("checked",checked);}}}自定义过滤器，要求添加到struts2自定义过滤器，要求添加到struts2 问题：不够友好，，最好提示【操作，系统将会5秒后跳转到登录页面】init2 在doFilter的方法重定向到vari=6;vart;function要清除掉setInterval()ontextPathi=i-1//秒数减少timer层 =}}//showTimer()t=window.setInterval(showTimer,1000);注意：SessionSessionSession压力大，系10分钟如果不操作系统，将Session在过滤器中获取登录后存放的SessionSession不为空，则放行，即可以操作定义的业务功能，如果Session为空，则跳转到登录页面。控 的系统必须要存在添加异常处理，见【技术资料\自定义器（实现异常处理+细颗粒权限控制）\异常处理】中的《struts2的器实现异常处理.doc》使用struts2 ntercept()方法定义try…catch异result=actioninvocation.invoke();returnresult;resultreturn"errorMsg";跳转到错误页面。9：细颗粒权限控制（使用struts2的器中的《struts2的器实现细颗粒度权限控制.doc》struts2么不从Sessionmidmidstruts2么不从Sessionmidmid Session，使用struts2 pid（mid=””,pid=””在struts2 pid重点：登录操作，项目中校验和前台校验，hibernate的懒加载处理了解：，记住我1：使用webservice发布系统元数据，调用的过操作步骤【技术资料\webservice技术\axis的jar包中《axis发布， 第一步：使用服务器端提供的接口，生成.wsdl文件第二步：使用.wsdl文件，在电力系统中生成服务器端的代码第三步：使用.wsdl文件（（）webserviceweb容器启动的时候（ 使用的时候只需要从application对象中获取即可 2：hibernate的二级缓存 hibernate的二级缓存优化。需要引入三个jar包在hibernate需要引入三个jar包在hibernate下能找到在 下能找 <?xml<?xmlversion="1.0"encoding="UTF-<!DOCTYPEhibernate-configuration"-//Hibernate/HibernateConfigurationDTD3.0//EN"开启二级缓存提供二级缓存的供应商启用查询缓存<property<!--<!--加 文件-- <class-cacheusage="read-write" 第三步：在DAOhqlsetCacheable(true)publicpublicList<T>findCollectionByConditionNoPageWithCache(StringfinalObject[]params,Map<String,String>orderby)Stringhql="SELECToFROM"+entityClass.getSimpleName()+"oWHERE1=1";StringorderByHql=this.initOrderByHql(orderby);finalStringfinalHql=hql+condition+List<T>list=HibernateCallback()publicnHibernate(SessionthrowsHibernateException,SQLException{Queryquery=session.createQuery(finalHql);if(params!=null&¶ms.length>0){for(inti=0;i<params.length;i++){query.setParameter(i,params[i]);}}returnquer