1 錛嶥ispatchAction extends BaseAction
涓鑸殑Action濡?action type="examples.UserAction" path="/createUser">錛屽湪榪欓噷UserAction鍙渶瑕佺戶鎵跨埗綾伙紙extends Action綾伙級錛岀劧鍚庨噸鍐欑埗綾葷殑execute鏂規(guī)硶錛屽湪execute涓疄鐜板叿浣撶殑鎺у埗杞悜銆?
瀵逛簬鍚屼竴涓猣ormbean涓婅繘琛岀殑鏂板銆佷慨鏀廣佸垹闄ょ瓑錛屾垜浠渶瑕佸垎鍙戜笉鍚岀殑Action錛岃繖閲屾湁涓ょ鍋氭硶銆?
鈶?涓縐嶆槸閫氳繃鍦╡xecute鏂規(guī)硶涓璱f鍒ゆ柇榪涜涓嶅悓鐨勮漿鍚戯細
銏?UserAction 綾葷殑execute鏂規(guī)硶涓?
String method = request.getParameter("method");
if (method.equals("create")) {
……
return mapping.findForward("createUser");
}
if (method.equals("save")) {
……
return mapping.findForward("saveUser");
}
銏?struts-config.xml 涓細
name="userForm"
scope="request">
name="userForm"
scope="request">
銏?鍙互鍦ㄩ〉闈腑瀹氫箟涓涓殣钘忓彉閲忔潵鎸囨槑鐩稿簲鐨勬搷浣?
// 榪欓噷鏈濂戒笉瑕佷嬌鐢?html:hidden property="method">
// 鍥犱負榪欑鍐欐硶闇瑕佸湪formbean涓畾涔夌浉搴旂殑property錛屾垜浠彲浠ラ噰鐢ㄦ櫘閫氶殣钘忓煙
鐒跺悗瀹氫箟涓涓猨avascript鍑芥暟錛屾垜浠彲浠ュ湪閫氳繃鐐瑰嚮鎻愪氦鎸夐挳鐨勬椂鍊欙紝鍦ㄥ嚱鏁頒腑淇敼瀹冪殑鍊箋?
鐐瑰嚮鎻愪氦鎸夐挳鏃訛紝閫氳繃set鏂規(guī)硶璁劇疆鎻愪氦鐨刴ethod灞炴у鹼細
鈶?絎簩灝辨槸浣縐serAction緇ф壙DispatchAction錛屼笉闇瑕侀噸鍐檈xecute鏂規(guī)硶:
public ActionForward create(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
// 閫茶涓浜沜reate鐨勯昏緫
// ……
return mapping.findForward("createUser");
}
public ActionForward save(ActionMapping mapping,
ActionForm form,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
// 閫茶涓浜泂ave鐨勯昏緫
// ……
return mapping.findForward("saveUser");
}
銏?DispatchAction 鍦ㄩ厤緗笂鍜屼竴鑸珹ction紼嶆湁涓嶅悓錛屽氨鏄鍦ˋction閰嶇疆涓涓涓猵arametr灞炴э紝榪欎釜灞炴у彲浠ユ寚瀹氭墽琛孌ispatchAction涓搴旂殑鏂規(guī)硶銆?
struts-config.xml 涓細
name="userForm"
scope="request"
parameter="method">
銏?鎴戜滑鍦ㄨ繖閲屾寚瀹氫簡parameter鐨勫間負method錛屽垯欏甸潰鎻愪氦鏃舵垜浠繀欏繪寚瀹氭彁浜ゆ椂action鐨刴ethod鍙傛暟鏉ョ‘瀹氬幓鎴戜滑鎯寵璋冪敤鍝釜Action鏂規(guī)硶銆?
鐐瑰嚮鎻愪氦鎸夐挳鏃訛紝閫氳繃submitForm鏂規(guī)硶璁劇疆鎻愪氦鏃禷ction鐨刴ethod鍙傛暟錛?
2 錛?LookupDispatchAction extends DispatchAction
LookupDispatchAction 緇ф壙DispatchAction, 鍦ㄤ笂闈㈢殑 鈶?銏?涓浜庡悓涓涓〉闈笂鐨勫涓猻ubmit鎸夐挳錛屼笉闇瑕侀偅涔堝澶嶆潅鐨刯s鍑芥暟鏉ユ寚瀹氭彁浜ゆ椂action鐨刴ethod鍙傛暟錛屽嵆涓婇潰鐨剆ubmitForm(operation)鏂規(guī)硶鍙互鐪佸幓錛孡ookupDispatchAction鍏剁敤娉曚負錛?
鈶?鐢∕essageResource灝嗘寜閽殑鏂囨湰鍜孯esKey鐩稿叧鑱旓紝渚嬪button.save=淇濆瓨錛?鈶?銏?涓敤LookupDispatchAction浠ｆ浛灝辨槸:
鈶?鍦ˋction閰嶇疆涓涓涓猵arametr灞炴э紝灞炴у間笌submit鎸夐挳鐨刾roperty灞炴у肩浉鍚岋紝榪欎釜灞炴у彲浠ユ寚瀹氭墽琛孡ookupDispatchAction涓搴旂殑鏂規(guī)硶銆?
struts-config.xml 涓細
name="userForm"
scope="request"
parameter=" method ">
鈶?
浣縐serAction緇ф壙LookupDispatchAction錛岄噸鍐檊etKeyMethodMap()鏂規(guī)硶, 灝哛esKey鍜孧ethodName瀵瑰簲璧鋒潵, 濡備笅錛?
protected Map getKeyMethodMap() {
Map map = new HashMap();
map.put("button.create", "create");
map.put("button.save", "save");
return map;
}
娉細 DispatchAction 綾諱嬌鐢ㄨ姹傚弬鏁扮殑鍊肩‘瀹氳皟鐢ㄥ摢縐嶆柟娉曪紝鑰孡ookupDispatchAction綾誨埄鐢ㄨ姹傚弬鏁板鹼紝鍙嶅悜鏌ヨ璧勬簮緇戝畾錛屽茍灝嗗畠涓庣被涓殑涓縐嶆柟娉曞尮閰嶏紝瀹為檯涓婅繖涓ょ鏂規(guī)硶鏈夊紓鏇插悓宸ヤ箣澶勩?
3 錛?MappingDispatchAction extends DispatchAction
DispatchAction 鎸囧畾浜唒arameter鐨勫間負method錛屽垯欏甸潰鎻愪氦鏃舵垜浠繀欏繪寚瀹氭彁浜ゆ椂action鐨刴ethod鍙傛暟鏉ョ‘瀹氬幓鎴戜滑鎯寵璋冪敤鍝釜Action鏂規(guī)硶,鑰孧appingDispatchAction鐩存帴閫氳繃struts-config.xml灝嗗涓猘ction-mapping鏄犲皠鍒板悓涓涓狝ction綾葷殑涓嶅悓鏂規(guī)硶:
name="userForm"
scope="request"
parameter="create">
name="userForm"
scope="request"
parameter="save">
鐒跺悗UserAction緇ф壙MappingDispatchAction鍗沖彲錛?
public ActionForward save(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception
public ActionForward edit(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception
娉細 鏌ョ湅MappingDispatchAction鐨勬簮鐮侊細
protected String getMethodName(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response,
String parameter) throws Exception {
// Return the unresolved mapping parameter.
return parameter;
}
鍙互鐪嬪埌瀹冭皟鐢ㄧ殑鏂規(guī)硶鏄洿鎺ヨ繑鍥瀞truts-config.xml涓璸arameter鐨勫箋?
4 錛?ForwardAction extends BaseAction
鐩稿綋浜?jsp:forward>鍔熻兘錛屼笉闇瑕侀厤緗甪ormbean鍜宎ction錛屽彲浠ョ洿鎺ヨ繘琛岃煩杞紝鍙渶瑕佸湪struts-config.xml涓厤緗細
type="org.apache.struts.actions.ForwardAction"
scope="request"
parameter="/pages/listUser.jsp">
parameter 灞炴х敤浜庢寚瀹歠orward鍒板摢涓〉闈紝path銆乼ype銆乸arameter涓変釜灞炴т負蹇呴』錛屽叾浠栧彲鐪佺暐銆?
5 錛?IncludeAction extends BaseAction
鐩稿綋浜?jsp:include>鍔熻兘錛岄渶瑕佸湪struts-config.xml涓厤緗細
name="userForm"
scope="request"
parameter="/pages/includepage.jsp">
]]>