SpringSecurity的入門

時間 2019-11-16

原文原文鏈接

SpringSecurity的簡介：html

Spring Security是一個可以爲基於Spring的企業應用系統提供聲明式的安全訪問控制解決方案的安全框架。它提供了一組能夠在Spring應用上下文中配置的Bean，充分利用了Spring IoC，DI（控制反轉Inversion of Control ,DI:Dependency Injection 依賴注入）和AOP（面向切面編程）功能，爲應用系統提供聲明式的安全訪問控制功能，減小了爲企業系統安全控制編寫大量重複代碼的工做。java

入門小案例：web

一、新建一個maven的web工程spring

新建一個maven的web工程，工程的名稱爲：springsecurity-demoexpress

二、在pom.xml中引入相關的座標apache

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<properties>編程

<spring.version>4.2.4.RELEASE</spring.version>
</properties>
<dependencies>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>${spring.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.security</groupId>
        <artifactId>spring-security-web</artifactId>
        <version>4.1.0.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.security</groupId>
        <artifactId>spring-security-config</artifactId>
        <version>4.1.0.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>servlet-api</artifactId>
        <version>2.5</version>
        <scope>provided</scope>
    </dependency>
</dependencies>
<build>
    <plugins>
        <!-- java編譯插件 -->
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.7.0</version>
            <configuration>
                <source>1.8</source>
                <target>1.8</target>
                <encoding>UTF-8</encoding>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.tomcat.maven</groupId>
            <artifactId>tomcat7-maven-plugin</artifactId>
            <configuration>
                <!-- 指定端口 -->
                <port>9090</port>
                <!-- 請求路徑 -->
                <path>/</path>
            </configuration>
        </plugin>
    </plugins>
</build>

三、在webapp目錄下新建測試靜態頁面api

登陸成功跳轉的頁面：index.htmltomcat

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<!DOCTYPE html>
<html lang="en">
<head>安全

<meta charset="UTF-8">
<title>首頁</title>

</head>
<body>

<h2>恭喜你登陸成功！</h2>

</body>
</html>

登陸頁面：login.html

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<!DOCTYPE html>
<html lang="en">
<head>

<meta charset="UTF-8">
<title>用戶登陸</title>

</head>
<body>

<form action='/login' method='POST'>
    <table>
        <tr>
            <td>用戶名:</td>
            <td><input type='text' name='username' value=''></td>
        </tr>
        <tr>
            <td>密碼:</td>
            <td><input type='password' name='password' /></td>
        </tr>
        <tr>
            <td colspan='2'><input name="submit" type="submit" value="登錄" /></td>
        </tr>
    </table>
</form>

</body>
</html>

登陸失敗跳轉的頁面：loginError.html

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<!DOCTYPE html>
<html lang="en">
<head>

<meta charset="UTF-8">
<title>用戶登陸</title>

</head>
<body>

<h1>登陸出錯</h1>
<form action='/login' method='POST'>
    <table>
        <tr>
            <td>用戶名:</td>
            <td><input type='text' name='username' value=''></td>
        </tr>
        <tr>
            <td>密碼:</td>
            <td><input type='password' name='password' /></td>
        </tr>
        <tr>
            <td colspan='2'><input name="submit" type="submit" value="登錄" /></td>
        </tr>
    </table>
</form>

</body>
</html>

四、在resources目錄下建立spring-security.xml

配置以下：
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<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/security"

xmlns:beans="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
                                            http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security.xsd">

<!--放行資源 -->
<http pattern="/login.html" security="none"></http>
<http pattern="/loginError.html" security="none"></http>

<!-- 頁面攔截規則 -->
<http use-expressions="false">
    <intercept-url pattern="/**" access="ROLE_USER" />
    <form-login login-page="/login.html" default-target-url="/index.html" authentication-failure-forward-url="/loginError.html"/>

    <csrf disabled="true"></csrf>
</http>

<!-- 認證管理器 -->
<authentication-manager>
    <authentication-provider>
        <user-service>
            <user name="admin" password="123456" authorities="ROLE_USER"/>
        </user-service>
    </authentication-provider>
</authentication-manager>

</beans:beans>

五、在web.xml配置攔截規則個監聽
配置以下：
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<?xml version="1.0" encoding="UTF-8"?>
<web-app 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"
     version="3.0">

<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:spring-security.xml</param-value>
</context-param>
<listener>
    <listener-class>
        org.springframework.web.context.ContextLoaderListener
    </listener-class>
</listener>
<filter>
    <filter-name>springSecurityFilterChain</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
    <filter-name>springSecurityFilterChain</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

</web-app>

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