http://www.javaeye.com/topic/232685
Ajax,瀹冧嬌嫻忚鍣ㄥ彲浠ヤ負鐢ㄦ埛鎻愪緵鏇翠負鑷劧鐨勬祻瑙堜綋楠?瀵逛簬j2EE WEB寮鍙戜漢鍛樻潵璇?浣跨敤DWR妗嗘灦鍙互寰堢畝鍗曠殑浣跨敤Ajax鎶鏈?
鏈枃浠ヤ竴涓?span class="hilite1">DWR+SPRING鐨勫疄渚嬫潵璇存槑DWR鐨勪嬌鐢?br /> 1銆佸皢dwr.jar鏀懼埌搴旂敤鐨?WEB-INF/lib鐩綍涓?br /> 2銆侀厤緗畐eb.xml,澧炲姞濡備笅浠ｇ爜:
<!--鍒濆鍖朩ebApplicationContext--> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/applicationContext.xml,/WEB-INF/action-servlet.xml</param-value> </context-param> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> <!--閰嶇疆DWR鎷︽埅鍣?/span>--> <servlet> <servlet-name>dwr-invoker</servlet-name> <servlet-class>uk.ltd.getahead.dwr.DWRServlet</servlet-class> <init-param> <param-name>debug</param-name> <param-value>true</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>dwr-invoker</servlet-name> <url-pattern>/dwr/*</url-pattern> </servlet-mapping> 3銆佸涓?span class="hilite1">dwr.xml鏂囦歡
鏂囦歡鍐呭錛?
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE dwr PUBLIC "-//GetAhead Limited//DTD Direct Web Remoting 1.0//EN" "http://www.getahead.ltd.uk/dwr/dwr10.dtd"> <dwr> <allow> <create creator="spring" javascript="DWRUser"> <param name="beanName" value="DWRUser"/> </create> </allow> </dwr> 浠ｇ爜:
package com.note.dwr; import com.note.bussies.service.IUserService; 
public class User { 
private IUserService ius; 
public IUserService getIus() { 
return ius; 
} public void setIus(IUserService ius) { this.ius = ius; } public User(){ } public boolean isExist(String username) { Users user = this.ius.getUserByName(username); return (null == user) ? false : true; } 
} 5銆佸湪applicationContext.xml涓厤緗4姝ュ啓鐨刡ean
<bean id="DWRUser" class="com.note.dwr.User"> <property name="ius"> <ref bean="UserService" /> </property> </bean> <script type='text/javascript' src='../../dwr/interface/DWRUser.js'></script> <script type='text/javascript' src='../../dwr/engine.js'></script> <script type='text/javascript' src='../../dwr/util.js'></script> 鍏蜂綋璋冪敤錛?br />
<script type='text/javascript'> function regUserChked(){ var username=$("username").value; DWRUser.isExist(username,showData);//showData鍥炶皟鍑芥暟 } function showData(data){ if(data){ DWRUtil.setValue("userMsg","璇ョ敤鎴峰悕宸茬粡琚敞鍐岋紝璇鋒洿鎹㈡偍鐨勭敤鎴峰悕錛?/span>"); }else{ DWRUtil.setValue("userMsg","鎭枩鎮紝璇ョ敤鎴峰悕灝氭湭琚敞鍐岋紒"); } } </script> input type="text" name="username" value="" onblur="regUserChked()" /><div id="userMsg"></div> ]]>
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