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webProject项目结构图：
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项目需要的jar包：
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web.xml配置：
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<display-name></display-name>
<welcome-file-list>
<welcome-file>register.jsp</welcome-file>
<welcome-file>login.jsp</welcome-file>
</welcome-file-list>
<!-- Struts核心过滤器 -->
<filter>
<filter-name>Struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>Struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
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login.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib uri="/struts-tags" prefix="s"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>注册</title>
<link rel="stylesheet" type="text/css" href="CSS/reset.css" />
<link rel="stylesheet" type="text/css" href="CSS/style.css" />
</head>
<body>
<div class="div2" style=" background:url('CSS/image/login.jpg')">
<h1>LOGIN</h1>
<div class="div1">
<s:form cssClass="form" action="User_login" method="post" namespace="/">
<table>
<tr>
<s:textfield name="user.phone" cssClass="input" placeholder="phone"
type="text"></s:textfield>
</tr>
<tr>
<s:password name="user.password" cssClass="input"
placeholder="password" type="password"></s:password>
</tr>
<tr>
<s:submit value="登录" type="submit" cssClass="input"></s:submit>
</tr>
</table>
</s:form>
<a href="register.jsp">注册账号</a>
</div>
</div>
</body>
</html>
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register.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib uri="/struts-tags" prefix="s"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>注册</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<link rel="stylesheet" type="text/css" href="CSS/reset.css" />
<link rel="stylesheet" type="text/css" href="CSS/style.css" />
</head>
<body>
<div class="div2" style=" background:url('CSS/image/login.jpg')">
<h1>Register</h1>
<div class="div1">
<s:form cssClass="form" action="User_register" namespace="/" method="post">
<table Class="table">
<tr>
<s:textfield cssClass="input" name="user.phone"
placeholder="phone" type="nunber"></s:textfield>
</tr>
<tr>
<s:textfield cssClass="input" name="user.username"
placeholder="username" type="text"></s:textfield>
</tr>
<tr>
<s:textfield cssClass="input" name="user.password"
placeholder="password" type="password">
</s:textfield>
</tr>
<tr>
<s:textfield cssClass="input" type="submit" value="提交"></s:textfield>
</tr>
</table>
</s:form>
<a href="login.jsp">我要登录</a>
</div>
</div>
</body>
</html>
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struts.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<package name="action" extends="struts-default" namespace="/">
<!-- action配置 -->
<!-- 登录 -->
<action name="User_login" class="action.StrutsAction" method="login">
<result name="input">login.jsp</result> <!-- 输入错误重新到登录页面 -->
<result name="success">index.jsp</result> <!-- 登录成功后到主页面 -->
<result name="error">login_fail.jsp</result> <!-- 登录失败后到登录失败页面 -->
<result name="inblacklist">login_inblacklist.jsp</result> <!-- 若用户在黑名单中就到黑名单页面 -->
</action>
<!-- 注册 -->
<action name="User_register" class="action.StrutsAction" method="register">
<result name="input">register.jsp</result> <!-- 输入错误重新到注册页面 -->
<result name="success" type="redirect">login.jsp</result> <!-- 注册成功后到登录页面 -->
<result name="error">register_fail.jsp</result> <!-- 注册失败到注册失败页面 -->
</action>
</package>
</struts>
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src.action包下的.StrutsAction.java
package action;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionSupport;
import domain.JDBC;
import domain.User;
public class StrutsAction extends ActionSupport {
private User user;
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
// 用户登录
public String login() throws SQLException {
System.out.println("login" + user);
System.out.println("login的phone" + user.getPhone());
boolean flag = false; // 登录成功与否的标准
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
try {
String phone = user.getPhone(); // 获取用户手机号
String password = user.getPassword(); // 获取用户密码
conn = JDBC.getConnection(); // 与数据库建立连接
String sql = "select * from user where phone='" + phone + "'"; // Sql查询语句，查询用户手机号是否存在
stmt = conn.createStatement();
rs = stmt.executeQuery(sql); // 进行查询
if (rs.next()) {
if (password.equals(rs.getString("password"))) { // 密码相同
User user = new User(); // 新建一个user对象
user.setUsername(rs.getString("username")); // 将用户的用户名存入
user.setPhone(rs.getString("phone")); // 将用户的手机号存入
// 将这个用户存入seesion中
ServletActionContext.getRequest().getSession().setAttribute("user", user);
flag = true; // 该用户存在;
}
}
} catch (SQLException e) {
e.printStackTrace();
} finally {
rs.close();
stmt.close();
conn.close();
System.out.println("mysql close");
}
if (flag == true)
return SUCCESS;
else
return ERROR;
}
// 用户注册
public String register() throws SQLException {
int flag = 0;
System.out.println("register" + user);
Connection conn = null;
Statement stmt = null;
try {
String phone = user.getPhone();
String password = user.getPassword();
String username = user.getUsername();
int isblacklist = 0; // 黑名单初始化为0
conn = JDBC.getConnection();
String sql = "insert into user(phone,password,username,inblacklist)values('" + phone + "','" + password
+ "','" + username + "','" + isblacklist + "')";
stmt = conn.createStatement();
flag = stmt.executeUpdate(sql);
} catch (SQLException e) {
e.printStackTrace();
} finally {
stmt.close();
conn.close();
}
if (flag == 0)
return ERROR;
return SUCCESS;
}
}
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src.domain包下的JDBC.java
package domain;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
public class JDBC
{
public static Connection getConnection()
{
//加载数据库驱动 com.mysql.jdbc.Driver
String driver = "com.mysql.cj.jdbc.Driver";
//获取mysql连接地址ַ
String url = "jdbc:mysql://localhost:3306/Struts2?" +
"useUnicode=true&characterEncoding=utf8&" +
"useSSL=false&serverTimezone=UTC";
//数据名称
String username = "root";
//数据库密码
String password = "258000";
//获取一个数据的连接
Connection conn = null;
//获取连接的一个状态
try{
Class.forName(driver);
//getConnection()方法，连接MySQL数据库！
conn=DriverManager.getConnection(url,username,password);
if(conn!=null)
System.out.println("mysql ok");
// conn.close();
}
catch(ClassNotFoundException e)//数据库驱动类异常处理
{
System.out.println("数据库驱动加载失败！");
e.printStackTrace();
}
catch(SQLException e1) //数据库连接失败异常处理
{
System.out.println("数据库连接异常1！");
e1.printStackTrace();
}
catch(Exception e2)
{
System.out.println("数据库连接异常2！");
e2.printStackTrace();
}
finally
{
System.out.println("finally mysql ");
}
return conn;
}
}
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src.domain包下的User.java
package domain;
public class User
{
private String phone;
private String username;
private String password;
private int isblacklist;
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
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;
}
public int getIsblacklist() {
return isblacklist;
}
public void setIsblacklist(int isblacklist) {
this.isblacklist = isblacklist;
}
@Override
public String toString() {
return "User [phone=" + phone + ", username=" + username + ", password=" + password + ", isblacklist="
+ isblacklist + "]";
}
}
以上的部分实现了注册和登录功能：
添加两个配置文件就可以实现框架校验！
StrutsAction-User_login-validation.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC
"-//Apache Struts//XWork Validator 1.0.3//EN"
"http://struts.apache.org/dtds/xwork-validator-1.0.3.dtd">
<validators>
<field name="user.phone">
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>手机号不能为空!</message>
</field-validator>
<field-validator type="regex">
<param name="regex"><![CDATA[^(13[0-9]|15[0|3|6|7|8|9]|18[8|9])\d{8}$]]></param>
<message>请输入正确的手机号</message>
</field-validator>
</field>
<field name="user.password">
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>密码不能为空</message>
</field-validator>
<field-validator type="stringlength">
<param name="minLength">6</param>
<param name="maxLength">20</param>
<message>密码长度必须在6到20位之间</message>
</field-validator>
</field>
</validators>
StrutsAction-User_register-validation.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC
"-//Apache Struts//XWork Validator 1.0.3//EN"
"http://struts.apache.org/dtds/xwork-validator-1.0.3.dtd">
<validators>
<field name="user.phone">
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>手机号不能为空!</message>
</field-validator>
<field-validator type="regex">
<param name="regex"><![CDATA[^(13[0-9]|15[0|3|6|7|8|9]|18[8|9])\d{8}$]]></param>
<message>请输入正确的手机号</message>
</field-validator>
</field>
<field name="user.username">
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>用户名不能为空!</message>
</field-validator>
</field>
<field name="user.password">
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>密码不能为空</message>
</field-validator>
<field-validator type="stringlength">
<param name="minLength">6</param>
<param name="maxLength">20</param>
<message>密码长度必须在6到20位之间</message>
</field-validator>
</field>
</validators>
以上实现登录+注册+Struts2框架校验