Struts简单实例

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1.LoginActionForm

package com.struts.action;import org.apache.struts.action.ActionForm;/** * 登陆ActionForm， * 负责收集表单数据 * 表单的属性必须和ActionForm中的get和set的属性一致 * */public class LoginActionForm extends ActionForm {private static final long serialVersionUID = 1L;private String username;private String password;public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}}

2.LoginAction

package com.struts.action;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;/** * 登陆Action 负责去的表单数据， * 调用业务逻辑，返回转向信息 * */public class LoginAction extends Action {@Overridepublic ActionForward execute(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response)throws Exception {LoginActionForm laf = (LoginActionForm) form;// 强制转换String username = laf.getUsername();String password = laf.getPassword();if ("admin".equals(username) && "admin".equals(password)) {// 登陆成功return mapping.findForward("success");// 返回标识} else {// 登陆失败return mapping.findForward("error");}}}

3.struts-config.xml

<struts-config><form-beans><form-bean name="loginForm" type="com.struts.action.LoginActionForm" /></form-beans><action-mappings><action path="/login" type="com.struts.action.LoginAction"name="loginForm" scope="request"><forward name="success" path="/success.jsp"></forward><forward name="error" path="/error.jsp"></forward></action></action-mappings></struts-config>

4.web.xml

<welcome-file-list><welcome-file>index.jsp</welcome-file></welcome-file-list><servlet><servlet-name>action</servlet-name><servlet-class>org.apache.struts.action.ActionServlet</servlet-class><init-param><param-name>config</param-name><param-value>/WEB-INF/struts-config.xml</param-value></init-param><init-param><param-name>debug</param-name><param-value>2</param-value></init-param><init-param><param-name>detail</param-name><param-value>2</param-value></init-param><load-on-startup>2</load-on-startup></servlet><servlet-mapping><servlet-name>action</servlet-name><url-pattern>*.do</url-pattern></servlet-mapping>