多的不說,直接上代碼;struts.xml代碼:<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"> <struts><package name="login" namespace="/user" extends="struts-default"><action name="*_*" class="com.wepull.struts2.action.{1}Action"method="{2}"><result name="success">{1}_{2}.jsp</result><result name="input">User_toLogin.jsp</result></action> </package> </struts>第一種傳參方式:import com.opensymphony.xwork2.ActionSupport; /*** Struts2三種傳參方式(從jsp頁面?zhèn)鞯紸ction)** 方式一:直接在action中寫屬性，然后寫set、get方法* 1.在Action里添加屬性,屬性名要對應(yīng)jsp上的屬性名* 2.添加相應(yīng)的set方法**/ public class UserAction extends ActionSupport { private String name; private String pass; public String getName() {return name; } public void setName(String name) {this.name = name; } public String getPass() {return pass; } public void setPass(String pass) {this.pass = pass; }public String doLogin(){String forward="input";//System.out.println(name+" "+pass);if("wepull".equalsIgnoreCase(name)&&"123".equalsIgnoreCase(pass)){return SUCCESS; //登錄成功,返回成功頁面}else{return forward; //登錄失敗,返回重新登錄} }public String toLogin(){return SUCCESS; //進入登錄頁面 }}------------------------------------------------------------------------------------------------------------------------------User_toLogin.jsp頁面:<form action="user/User_doLogin"><table><tr><td>用戶名</td><td><input type="text" name="name"></td><td>?</td></tr><tr><td>密 碼</td><td><input type="text" name="pass"></td><td>?</td></tr><tr><td><input type="submit" value="sure" ></td><td><input type="reset" value="reset" ></td><td>?</td></tr></table></form>##########################################################################第二種傳參方式:import com.opensymphony.xwork2.ActionSupport; /** * Struts2三種傳參方式(從jsp頁面?zhèn)鞯紸ction) * * 方式二:把屬性封裝到dto中，傳值時以dto名字.其中屬性 * 1.在Action里添加屬性,屬性名要對應(yīng)jsp上的屬性名 * 2.添加相應(yīng)的set方法 * */ public class UserAction extends ActionSupport { private UserDTO user; public UserDTO getUser() {return user; } public void setUser(UserDTO user) {this.user = user; }public String doLogin(){String forward="input";//System.out.println(user.getName()+" "+user.getPass());if("wepull".equalsIgnoreCase(user.getName())&&"123".equalsIgnoreCase(user.getPass())){return SUCCESS; }else{return forward;} }public String toLogin(){return SUCCESS; } }------------------------------------------------------------------------------------------------------------------------------UserDTO.java代碼public class UserDTO { private String id; private String name; private String pass; public String getId() {return id; } public void setId(String id) {this.id = id; } public String getName() {return name; } public void setName(String name) {this.name = name; } public String getPass() {return pass; } public void setPass(String pass) {this.pass = pass; } }------------------------------------------------------------------------------------------------------------------------------User_toLogin.jsp頁面:<form action="user/User_doLogin"><table><tr><td>用戶名</td><td><input type="text" name="user.name"></td><td>?</td></tr><tr><td>密 碼</td><td><input type="text" name="user.pass"></td><td>?</td></tr><tr><td><input type="submit" value="sure" ></td><td><input type="reset" value="reset" ></td><td>?</td></tr></table></form>##########################################################################第三種傳參方式:import com.opensymphony.xwork2.ActionSupport; import com.opensymphony.xwork2.ModelDriven; /** * Struts2三種傳參方式(從jsp頁面?zhèn)鞯紸ction) * * 方式三:實現(xiàn)ModelDriven * 實現(xiàn)ModelDriven接口 * */ public class UserAction extends ActionSupport implements ModelDriven<UserDTO>{ private UserDTO user;public UserDTO getUser() {return user; } public void setUser(UserDTO user) {this.user = user; }public String doLogin(){String forward="input";//System.out.println(user.getName()+" "+user.getPass());if("wepull".equalsIgnoreCase(user.getName())&&"123".equalsIgnoreCase(user.getPass())){return SUCCESS; }else{return forward;} }public String toLogin(){return SUCCESS; } public UserDTO getModel() {if(user==null){user=new UserDTO();}return user; } }------------------------------------------------------------------------------------------------------------------------------User_toLogin.jsp頁面:<form action="user/User_doLogin"><table><tr><td>用戶名</td><td><input type="text" name="name"></td><td>?</td></tr><tr><td>密 碼</td><td><input type="text" name="pass"></td><td>?</td></tr><tr><td><input type="submit" value="sure" ></td><td><input type="reset" value="reset" ></td><td>?</td></tr></table></form>&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&另外,在介紹一種通過HttpServletRequest request 傳參方式import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpSession;import org.apache.struts2.ServletActionContext;import com.opensymphony.xwork2.ActionSupport; import com.opensymphony.xwork2.ModelDriven; /** * 獲取request參數(shù)的方式 *HttpServletRequest request 傳參方式 * */ public class UserAction extends ActionSupport{public String doLogin(){//獲取request對象HttpServletRequest request=ServletActionContext.getRequest();//獲取session對象//HttpSession session=request.getSession();String name=request.getParameter("name");String pass=request.getParameter("pass");String forward="input";if("wepull".equalsIgnoreCase(name)&&"123".equalsIgnoreCase(pass)){return SUCCESS; }else{return forward;} }public String toLogin(){return SUCCESS; }}

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