(鏈緥浣跨敤鐨勬暟鎹簱鏄?MySql)
1.褰撲綘鐢ㄦ祦璇誨彇鏂囦歡鎴栬呬粠鏁版嵁搴撹鍙栨暟鎹椂,鍙栧緱鐨勫瓧絎︿覆鐨勭紪鐮佽涓庨〉闈㈢殑涓鑷?鍚﹀垯浼?xì)湄曠?/STRONG>
渚嬪:
public class FileOperation 
{
//path涓烘枃浠剁殑鍏ㄨ礬寰?/SPAN>
public static String readFile(String path){ String templateContent=""; try{ BufferedReader br=new BufferedReader(new FileReader(path)); String temp=null; while((temp=br.readLine())!=null){ templateContent=templateContent+temp+"\n";
} br.close(); } catch(Exception e){ System.out.println("璇誨彇鏂囦歡鍑洪敊"); e.printStackTrace(); } return templateContent; }
}(鍋囪欏甸潰鐨勭紪鐮佷負(fù)UTF-8)
璋冪敤浠ヤ笂鍑芥暟鍙渶瑕佷紶閫掍竴涓畬鏁寸殑鏂囦歡璺緞灝卞彲浠ヤ互瀛楃涓茬殑褰㈠紡璇誨彇鏂囦歡.
String str=FileOperation.readFile("d:\11.txt");
......
request.setAttribute("str",str);
......
鍒欓〉闈㈢敤requset.getAttribute("str")鍙栧緱鐨勪腑鏂囧瓧絎﹀皢浼?xì)鏄罐q爜.
瑙ｅ喅鏂規(guī):
灝嗕笂孌靛彇涓枃瀛楃涓茬殑浠ｇ爜鏀規(guī)垚:
String str=new String(FileOperation.readFile("d:\11.txt").getBytes("UTF-8"));request.setAttribute("str",str);]]>
Servlet鐨勬紨鍙橈細(xì)鍦ㄥ父瑙勭殑 JSP錛孲ervlet錛孞avaBean涓夊眰緇撴瀯涓紝JSP瀹炵幇View鐨勫姛鑳斤紝Servlet瀹炵幇Controller鐨勫姛鑳斤紝JavaBean瀹炵幇Model鐨勫疄鐜般?BR>
鍦⊿truts涓紝灝嗗父瑙勬儏鍐典笅鐨凷ervlet鎷嗗垎涓嶢ctionServlet銆丗ormBean銆丄ctionBean涓変釜閮ㄥ垎銆侫ctionServlet閰嶅悎Struts-config.xml錛屼笓鑱屽畬鎴愰〉闈㈠鑸紝鑰屼笉鍐嶈礋璐ｅ叿浣撶殑鏁版嵁鑾峰彇涓庣浉搴旈昏緫錛岃繖涓ら儴鍒嗗姛鑳界敱FormBean鍜孉ctionBean鏉ュ畬鎴愩?BR>
Struts鐨勬牳蹇?jī)鏄疌ontroller錛屽嵆ActionServlet錛岃孉ctionServlet鐨勬牳蹇?jī)灏辨槸Struts-config.xml錛孲truts-config.xml闆嗕腑浜?jiǎn)鎵鏈夐〉闈㈢殑瀵艱埅瀹氫箟銆傚浜庡ぇ鍨嬬殑WEB欏圭洰錛岄氳繃姝ら厤緗枃浠跺嵆鍙繀閫熸妸鎻″叾鑴夌粶錛岃繖涓嶇鏄浜庡墠鏈熺殑寮鍙戯紝榪樻槸鍚庢湡鐨勭淮鎶ゆ垨鍗囩駭閮芥槸澶ф湁瑁ㄧ泭鐨勩傛帉鎻truts-config.xml鏄帉鎻truts鐨勫叧閿墍鍦ㄣ?BR>
<struts-config>
<data-sources />
<form-beans >
<form-bean name="systemForm" type="com.gdglc.survey.form.SystemForm" />
<form-bean name="FindMemberForm" type="org.apache.struts.validator.DynaValidatorForm">
<form-property name="findName" type="java.lang.String"/>
</form-bean>
</form-beans>
<global-exceptions />
<global-forwards>
<forward name="showMsg" path="/msg.jsp" />
</global-forwards>
<action-mappings>
<action
path="/list"
type="com.gdglc.survey.action.ListAction">
<forward name="list" path="/list.jsp"/>
</action>
<action
attribute="systemForm"
input="/admin/System_Base_List.jsp"
name="systemForm"
path="/systemBaseModify"
type="com.gdglc.survey.action.SystemAction"
scope="request"
validate="false">
</action>
</action-mappings>
<message-resources parameter="com.gdglc.application" />
<plug-in className="org.apache.struts.validator.ValidatorPlugIn">
<set-property property="pathnames" value="/WEB-INF/validator-rules.xml,/WEB-INF/validation.xml"/>
</plug-in>
</struts-config>
姣忎竴涓狥ormBean 閮藉繀欏葷戶鎵緼ctionForm綾伙紝FormBean鏄欏甸潰璇鋒眰鐨勫皝瑁呫傚嵆鎶奌TTP request 灝佽鍦ㄤ竴涓璞′腑錛?STRONG>闇瑕佽鏄庣殑涓鐐瑰氨鏄涓狧TTP request鍙互鍏辯敤涓涓狥ormBean錛屼究浜庣淮鎶ゅ拰閲嶇敤銆?BR>
public final class RegUserForm extends ActionForm{
private String logname;
private String password;
private String email;
public RegUserForm(){
logname = null;
password = null;
email = null;
}
......
public void reset(ActionMapping mapping, HttpServletRequest request)
{
logname = null;
password = null;
email = null;
}
public ActionErrors validate(ActionMapping mapping,HttpServletRequest request)
{
ActionErrors errors=new ActionErrors();
if(this.password==null)
errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("password is null!!"));
......
return errors;
}
}
FormBean鐨勪駭鐢熸槸涓轟簡(jiǎn)鎻愪緵鏁版嵁緇橝ctionBean錛屽湪ActionBean涓彲浠ュ彇寰桭ormBean涓皝瑁呯殑鏁版嵁錛岀粡鐩稿簲鐨勯昏緫澶勭悊鍚庯紝璋冪敤涓氬姟鏂規(guī)硶瀹屾垚鐩稿簲涓氬姟瑕佹眰銆?BR>
public final class RegUserAction extends Action
{
public ActionForward execute(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
{
......
if(true)
return mapping.findForwad("list");
else {
ActionErrors errors=new ActionErrors();
errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("...."));
this.saveErrors(request,errors);
return new ActionForward(mapping.getInput());
}
}
}
Struts浼樼己鐐?BR>浼樼偣錛?/STRONG>
Struts璺烼omcat銆乀urbine絳夎澶欰pache欏圭洰涓鏍鳳紝鏄紑婧愯蔣浠訛紝榪欐槸瀹冪殑涓澶т紭鐐廣備嬌寮鍙戣呰兘鏇存繁鍏ョ殑浜?jiǎn)瑙ｅ叾鍐呴儴瀹炵幇鏈哄埗銆?BR>
闄ゆ涔嬪錛?STRONG>Struts鐨勪紭鐐逛富瑕侀泦涓綋鐜板湪涓や釜鏂歸潰錛歍aglib鍜岄〉闈㈠鑸?/STRONG>Taglib鏄疭truts鐨勬爣璁板簱錛岀伒媧誨姩鐢紝鑳藉ぇ澶ф彁楂樺紑鍙戞晥鐜囥傚彟澶栵紝灝辯洰鍓嶅浗鍐呯殑JSP寮鍙戣呰岃█錛岄櫎浜?jiǎn)鋴社敤JSP鑷甫鐨勫父鐢ㄦ爣璁板錛屽緢灝戝紑鍙戣嚜宸辯殑鏍囪錛屾垨璁窼truts鏄竴涓緢濂界殑璧風(fēng)偣銆?BR>
鍏充簬欏甸潰瀵艱埅錛屾垜璁や負(fù)閭ｅ皢鏄粖鍚庣殑涓涓彂灞曟柟鍚戯紝浜嬪疄涓婏紝榪欐牱鍋氾紝浣跨郴緇熺殑鑴夌粶鏇村姞娓呮櫚銆傞氳繃涓涓厤緗枃浠訛紝鍗沖彲鎶婃彙鏁翠釜緋葷粺鍚勯儴鍒嗕箣闂寸殑鑱旂郴錛岃繖瀵逛簬鍚庢湡鐨勭淮鎶ゆ湁鐫鑾ぇ鐨勫ソ澶勩傚挨鍏舵槸褰撳彟涓鎵瑰紑鍙戣呮帴鎵嬭繖涓」鐩椂錛岃繖縐嶄紭鍔夸綋鐜板緱鏇村姞鏄庢樉銆?BR>
緙虹偣錛?/B>
Taglib鏄疭truts鐨勪竴澶т紭鍔匡紝浣嗗浜庡垵瀛﹁呰岃█錛屽嵈闇瑕佷竴涓寔緇涔?fàn)鐨剺q囩▼錛岀敋鑷寵繕?shù)細(xì)鎵撲棺兘牼|戦〉緙栧啓鐨勪範(fàn)鎯紝浣嗘槸錛屽綋浣犱範(fàn)鎯簡(jiǎn)瀹冩椂錛屼綘浼?xì)瑙夊緱瀹冪湡鐨勫緢妫掋?BR>
Struts灝哅VC鐨凜ontroller涓鍒嗕負(fù)涓夛紝鍦ㄨ幏寰楃粨鏋勬洿鍔犳竻鏅扮殑鍚屾椂錛屼篃澧炲姞浜?jiǎn)绯痪l熺殑澶嶆潅搴︺?BR>
Struts浠庝駭鐢熷埌鐜板湪榪樹(shù)笉鍒板崐騫達(dá)紝浣嗗凡閫愭瓚婃潵瓚婂榪愮敤浜庡晢涓氳蔣浠躲傝櫧鐒跺畠鐜板湪榪樻湁涓嶅皯緙虹偣錛屼絾瀹冩槸涓縐嶉潪甯鎬紭縐鐨凧2EE MVC瀹炵幇鏂瑰紡錛屽鏋滀綘鐨勭郴緇熷噯澶囬噰鐢↗2EE MVC鏋舵瀯錛岄偅涔堬紝涓嶅Θ鑰冭檻涓涓婼truts銆?BR>
Struts瀹炴柦緇忛獙錛?BR>
1)銆佸熀浜嶴truts鏋舵瀯鐨勯」鐩紑鍙戯紝棣栧厛闇瑕佹湁涓涓緢濂界殑鏁翠綋瑙勫垝錛屾暣涓郴緇熶腑鍖呮嫭鍝嚑涓ā鍧楋紝姣忎釜妯″潡鍚勯渶瑕佸灝慒ormBean鍜孉ctionBean絳夛紝鑰屼笖鏈濂芥湁涓撲漢璐熻矗Struts-config.xml鐨勭鐞嗐傚紑鍙戝熀浜嶴truts鐨勯」鐩殑闅劇偣鍦ㄤ簬閰嶇疆綆＄悊錛屽挨鍏舵槸瀵筍truts-config.xml鐨勭鐞嗐?BR>
2)銆佸鏋滀綘鐨勯」鐩潪甯哥揣錛屽茍涓旈」鐩粍涓張娌℃湁瀵屾湁緇忛獙鐨凷truts寮鍙戜漢鍛橈紝寤鴻涓嶈鍐掔劧閲囩敤Struts銆係truts鐨勬帉鎻￠渶瑕佷竴涓繃紼嬶紝瀵逛簬涓涓啛緇冪殑JSP紼嬪簭鍛橈紝鑷澶ф闇瑕佸崐涓湀宸﹀彸鐨勬椂闂淬傚鏋滅粨鍚坱itls錛屽垯闇瑕佹洿闀跨殑鏃墮棿銆?BR>
3)銆佸鏋滀綘鍦ㄧ綉欏典腑澶ч噺榪愮敤taglib錛岄偅涔堜綘鐨勭編宸ュ皢鍋氬嚭閮ㄥ垎鐗虹壊銆傚綋浣犵粨鍚圱iles錛屽姛鑳藉寮虹殑鍚屾椂錛岃繖縐嶇壓鐗插挨涓烘槑鏄俱傚綋鐒?dòng)灱屼綘瀵瑰姛鑳藉拰缇庤鐨勫彇鑸嶇斪兘犺嚜宸卞啗_畾銆?BR>
4)銆乀aglib鏄竴涓ソ涓滆タ錛屼絾鐏墊椿榪愮敤瀹冨嵈闇瑕佷竴涓繃紼嬶紝濡傛灉浣犱笉鎯沖湪Taglib涓婅姳澶鐨勬椂闂達(dá)紝閭ｄ箞鍙渶鐞嗚В涓嶧ORM鏈夊叧鐨勫嚑涓爣璁幫紝鍏跺畠鐨勬爣璁板氨鏀劇潃鍚э紝浠ュ悗鍐嶇湅錛屽厛鍘葷爺絀禔ctionServlet鍜孲truts-config.xml錛屼綘浼?xì)瑙夊緱寰堟湁鎴悶鎰熴?BR>
5)銆丼truts鏄惁鍙傚悎浜庡ぇ鍨嬮」鐩憿錛烴o錛丼truts閫傚悎浜庡悇縐嶅ぇ灝忕殑欏圭洰錛屽綋鐒?dòng)灱屽浜庡ぇ鍨嫏骞鐩Q屽畠鎵浣撶幇鍑烘潵鐨勪紭鍔挎洿鍔犳槑鏄俱?
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