spring security 4 安全框架学习01

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1、新建项目目录 security01-jc

2、在 security01-jc 新建pom.xml文件

pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">  
  <modelVersion>4.0.0</modelVersion>  
  
  <groupId>com.okttl</groupId>  
  <artifactId>security</artifactId>  
  <version>0.0.1-SNAPSHOT</version>  
  <packaging>war</packaging>  
  <name>security</name>  
 <properties>  
        <!-- jdk 版本 -->  
        <jdk.version>1.7</jdk.version>  
        <!-- springframework （spring 框架）版本 -->  
        <springframework.version>4.1.6.RELEASE</springframework.version>  
        <!-- spring security （spring 安全框架）版本 -->  
        <security.version>4.0.1.RELEASE</security.version>  
        <servlet.version>3.1.0</servlet.version>  
        <jsp.version>2.3.2-b01</jsp.version>  
        <jstl.version>1.2</jstl.version>  
    </properties>  
      
    <dependencyManagement>  
        <dependencies>  
          <dependency>  
            <!-- 不需要再定义所有子模块版本  -->  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-framework-bom</artifactId>  
            <version>${springframework.version}</version>  
            <type>pom</type>  
            <scope>import</scope>  
          </dependency>  
        </dependencies>  
    </dependencyManagement>  
      
    <dependencies>  
        <!-- springframework 框架的引入 -->  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-core</artifactId>   
        </dependency>  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-context-support</artifactId>           
        </dependency>  
        <!-- spring mvc 的引用 -->  
        <dependency>  
            <groupId>org.springframework</groupId>  
            <artifactId>spring-webmvc</artifactId>  
        </dependency>  
          
        <!-- spring 安全框架  -->  
        <dependency>  
            <groupId>org.springframework.security</groupId>  
            <artifactId>spring-security-web</artifactId>  
            <version>${security.version}</version>  
        </dependency>  
        <dependency>  
            <groupId>org.springframework.security</groupId>  
            <artifactId>spring-security-config</artifactId>  
            <version>${security.version}</version>  
        </dependency>  
          
        <!-- Servlet 依赖 -->  
        <dependency>  
            <groupId>javax.servlet</groupId>  
            <artifactId>javax.servlet-api</artifactId>  
            <version>${servlet.version}</version>  
            <scope>provided</scope>  
        </dependency>  
        <dependency>  
            <groupId>javax.servlet.jsp</groupId>  
            <artifactId>javax.servlet.jsp-api</artifactId>  
            <version>${jsp.version}</version>  
            <scope>provided</scope>  
        </dependency>  
        <dependency>  
            <groupId>javax.servlet</groupId>  
            <artifactId>jstl</artifactId>  
            <version>${jstl.version}</version>  
        </dependency>  
    </dependencies>  
    <build>  
        <plugins>  
            <plugin>  
                <groupId>org.apache.maven.plugins</groupId>  
                <artifactId>maven-compiler-plugin</artifactId>  
                <version>3.3</version>  
                <configuration>  
                    <source>${jdk.version}</source>  
                    <target>${jdk.version}</target>  
                    <!-- java 的 Xlint 命令，all 启用所有告警-->  
                    <compilerArgument>-Xlint:all</compilerArgument>  
                    <showWarnings>true</showWarnings>  
                    <showDeprecation>true</showDeprecation>  
                </configuration>  
            </plugin>  
        </plugins>  
    </build>  
</project>  

3、在security01-jc 目录内新建 src/main/java 目录，在此目录下新建包(java 开发人员都知道也就是目录) 和类我的目录结构如下：

com.okttl.security

在此包下新建两个类SecurityConfig.java 和 SecurityWebApplicationInitializer.java

SecurityConfig.java 源码

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package com.okttl.security;  
  
import org.springframework.beans.factory.annotation.Autowired;  
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;  
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;  
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;  
  
@EnableWebSecurity  
public class SecurityConfig extends WebSecurityConfigurerAdapter {  
      
    @Autowired  
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {  
        auth.inMemoryAuthentication().withUser("user").password("password").roles("USER");  
    }  
}  

SecurityWebApplicationInitializer.java 源码

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package com.okttl.security;  
  
import org.springframework.security.web.context.AbstractSecurityWebApplicationInitializer;  
  
public class SecurityWebApplicationInitializer extends  
        AbstractSecurityWebApplicationInitializer {  
    public SecurityWebApplicationInitializer(){  
        super(SecurityConfig.class);  
    }  
}  

4、在security01-jc/src/main 目录内新建webapp目录。在此目录内新建index.jsp 文件

index.jsp 代码：

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<?xml version="1.0" encoding="UTF-8" ?>  
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"  
    xmlns:c="http://java.sun.com/jsp/jstl/core" version="2.0">  
  
  <jsp:directive.page contentType="text/html" pageEncoding="UTF-8" />  
  <jsp:output omit-xml-declaration="true" />  
  <jsp:output doctype-root-element="HTML"  
              doctype-system="about:legacy-compat" />  
<html>  
  <head>  
    <title>Hello Security</title>  
  
  </head>  
  
  <body>  
    <div class="container">  
      <h1>This is secured!</h1>  
      <p>  
        Hello <b><c:out value="${pageContext.request.remoteUser}"/></b>  
      </p>  
      
    </div>  
  </body>  
</html>  
</jsp:root>  

到此项目已经可以运行了。注意你的电脑上的jdk 要与 jdk.version 版本一致

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