springmvc的文件上传和JWT图形验证码

相关pom依赖

<dependency>

      <groupId>commons-fileupload</groupId>

      <artifactId>commons-fileupload</artifactId>

      <version>1.3.</version>

</dependency>

springmvc-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

       xmlns:context="http://www.springframework.org/schema/context"

       xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:aop="http://www.springframework.org/schema/aop"

       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

      http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">

    <!-- 通过context:component-scan元素扫描指定包下的控制器-->

    <!--) 扫描com.javaxl.zf及子子孙孙包下的控制器(扫描范围过大，耗时)-->

    <aop:aspectj-autoproxy/>

    <context:component-scan base-package="com.jt"/>

    <!--) 此标签默认注册DefaultAnnotationHandlerMapping和AnnotationMethodHandlerAdapter -->

    <!--两个bean，这两个bean是spring MVC为@Controllers分发请求所必须的。并提供了数据绑定支持，-->

    <!--@NumberFormatannotation支持，@DateTimeFormat支持，@Valid支持，读写XML的支持（JAXB），读写JSON的支持（Jackson）-->

    <mvc:annotation-driven></mvc:annotation-driven>

    <!--) ViewResolver -->

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <!-- viewClass需要在pom中引入两个包：standard.jar and jstl.jar -->

        <property name="viewClass"

                  value="org.springframework.web.servlet.view.JstlView"></property>

        <property name="prefix" value="/WEB-INF/"/>

        <property name="suffix" value=".jsp"/>

    </bean>

    <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

        <!-- 必须和用户JSP 的pageEncoding属性一致，以便正确解析表单的内容 -->

        <property name="defaultEncoding" value="UTF-8"></property>

        <!-- 文件最大大小(字节) **=50M-->

        <property name="maxUploadSize" value=""></property>

        <!--resolveLazily属性启用是为了推迟文件解析，以便捕获文件大小异常-->

        <property name="resolveLazily" value="true"/>

    </bean>

    <!--) 单独处理图片、样式、js等资源 -->

    <!--<mvc:resources location="/css/" mapping="/css/**"/>-->

        <!--<mvc:resources location="/images/" mapping="/images/**"/>-->

    <!--<mvc:resources location="/js/" mapping="/js/**"/>-->

    <mvc:resources location="/static/" mapping="/static/**"/>

</beans>

upload.jsp

<%--

  Created by IntelliJ IDEA.

  User: 蒋涛

  Date: //

  Time: :

  To change this template use File | Settings | File Templates.

--%>

<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<html>

<head>

    <title>springmvc文件上传</title>

</head>

<body>

<form action="${pageContext.request.contextPath}/book/upload" method="post" enctype="multipart/form-data">

    请选择文件：<input type="file" name="xxx">

    <input type="submit" value="OK">

</form>

</body>

</html>

BookController

@RequestMapping("/upload")

    public String upload(HttpServletRequest req, MultipartFile xxx){

        String fileName=xxx.getOriginalFilename();

        String contentType=xxx.getContentType();

        try {

            FileUtils.copyInputStreamToFile(xxx.getInputStream(),new File("F:/jtredis/mybatis04/src/main/webapp/static/img/"+fileName));

        } catch (IOException e) {

            e.printStackTrace();

        }

        return  "redirect:/book/list";

    }

JWT图形验证码

首先我们来导入POM依赖

<!--引入JWT依赖,由于是基于Java，所以需要的是java-jwt -->

        <dependency>

            <groupId>io.jsonwebtoken</groupId>

            <artifactId>jjwt</artifactId>

            <version>0.9.</version>

        </dependency>

        <dependency>

            <groupId>com.auth0</groupId>

            <artifactId>java-jwt</artifactId>

            <version>3.4.</version>

        </dependency>

先导入一下后端代码

User

package com.jt.model;

public class User {

    private String uname;

    private String pwd;

    public User(String uname, String pwd) {

        this.uname = uname;

        this.pwd = pwd;

    }

    public User() {

        super();

    }

    public String getUname() {

        return uname;

    }

    public void setUname(String uname) {

        this.uname = uname;

    }

    public String getPwd() {

        return pwd;

    }

    public void setPwd(String pwd) {

        this.pwd = pwd;

    }

}

UserMapper

package com.jt.mapper;

import com.jt.model.User;

import org.springframework.stereotype.Repository;

@Repository

public interface UserMapper {

    int deleteByPrimaryKey(String uname);

    int insert(User record);

    int insertSelective(User record);

    User selectByPrimaryKey(String uname);

    int updateByPrimaryKeySelective(User record);

    int updateByPrimaryKey(User record);

    User login(User user);

}

UserMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >

<mapper namespace="com.jt.mapper.UserMapper" >

 <!-- <cache type="org.mybatis.caches.ehcache.EhcacheCache"></cache>-->

  <!--<cache type="com.jt.util.RedisCache"></cache>-->

    <select id="login" resultType="com.jt.model.User" parameterType="com.jt.model.User">

        select

     *

        from t_vue_user

        where uname = #{uname} and pwd = #{pwd}

    </select>

</mapper>

CorsFilter

package com.jt.util;

import java.io.IOException;

import javax.servlet.Filter;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

/**

 * 配置tomcat允许跨域访问

 *

 * @author Administrator

 *

 */

public class CorsFilter implements Filter {

    @Override

    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override

    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)

            throws IOException, ServletException {

        HttpServletResponse resp = (HttpServletResponse) servletResponse;

        HttpServletRequest req = (HttpServletRequest) servletRequest;

        // Access-Control-Allow-Origin就是我们需要设置的域名

        // Access-Control-Allow-Headers跨域允许包含的头。

        // Access-Control-Allow-Methods是允许的请求方式

        resp.setHeader("Access-Control-Allow-Origin", "*");// *,任何域名

        resp.setHeader("Access-Control-Allow-Methods", "POST, GET, PUT, DELETE");

        // resp.setHeader("Access-Control-Allow-Headers", "Origin,X-Requested-With,

        // Content-Type, Accept");

        // 允许客户端，发一个新的请求头jwt

        //允许客户端发送一个新的请求头

        resp.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, jwt, verificationJwt");

        //允许客户端处理一个新的响应头jwt

        resp.setHeader("Access-Control-Expose-Headers", "jwt");

        resp.setHeader("Access-Control-Expose-Headers", "verificationJwt");

        // String sss = resp.getHeader("Access-Control-Expose-Headers");

        // System.out.println("sss=" + sss);

        // 允许请求头Token

        // httpResponse.setHeader("Access-Control-Allow-Headers","Origin,X-Requested-With,

        // Content-Type, Accept, Token");

        // System.out.println("Token=" + req.getHeader("Token"));

        if ("OPTIONS".equals(req.getMethod())) {// axios的ajax会发两次请求，第一次提交方式为：option，直接返回即可

            return;

        }

        filterChain.doFilter(servletRequest, servletResponse);

    }

    @Override

    public void destroy() {

    }

}

ImageUtil

package com.jt.util;

import sun.misc.BASE64Encoder;

import javax.imageio.ImageIO;

import java.awt.*;

import java.awt.image.BufferedImage;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.util.Random;

public class ImageUtil {

    /**

     * 根据指定的随机数 生成验证码图片 转 base64

     * @param word 要生存的验证码随机字符串

     * @param width 图片宽度

     * @param height 图片高度

     * @return base64 格式生成的验证码图片

     * @throws IOException

     */

    public static String createImageWithVerifyCode(String word, int width, int height) throws IOException {

        String png_base64="";

        //绘制内存中的图片

        BufferedImage bufferedImage = new BufferedImage(width,height,BufferedImage.TYPE_INT_RGB);

        //得到画图对象

        Graphics graphics = bufferedImage.getGraphics();

        //绘制图片前指定一个颜色

        graphics.setColor(getRandColor(,));

        graphics.fillRect(,,width,height);

        //绘制边框

        graphics.setColor(Color.white);

        graphics.drawRect(, , width - , height - );

        // 步骤四 四个随机数字

        Graphics2D graphics2d = (Graphics2D) graphics;

        graphics2d.setFont(new Font("宋体", Font.BOLD, ));

        Random random = new Random();

        // 定义x坐标

        int x = ;

        for (int i = ; i < word.length(); i++) {

            // 随机颜色

            graphics2d.setColor(new Color( + random.nextInt(),  + random.nextInt(),  + random.nextInt()));

            // 旋转 -30 --- 30度

            int jiaodu = random.nextInt() - ;

            // 换算弧度

            double theta = jiaodu * Math.PI / ;

            // 获得字母数字

            char c = word.charAt(i);

            //将c 输出到图片

            graphics2d.rotate(theta, x, );

            graphics2d.drawString(String.valueOf(c), x, );

            graphics2d.rotate(-theta, x, );

            x += ;

        }

        // 绘制干扰线

        graphics.setColor(getRandColor(, ));

        int x1;

        int x2;

        int y1;

        int y2;

        for (int i = ; i < ; i++) {

            x1 = random.nextInt(width);

            x2 = random.nextInt();

            y1 = random.nextInt(height);

            y2 = random.nextInt();

            graphics.drawLine(x1, y1, x1 + x2, x2 + y2);

        }

        graphics.dispose();// 释放资源

        ByteArrayOutputStream baos = new ByteArrayOutputStream();//io流

        ImageIO.write(bufferedImage, "png", baos);//写入流中

        byte[] bytes = baos.toByteArray();//转换成字节

        BASE64Encoder encoder = new BASE64Encoder();

        png_base64 = encoder.encodeBuffer(bytes).trim();

        png_base64 = png_base64.replaceAll("\n", "").replaceAll("\r", "");//删除 \r\n

        return png_base64;

    }

    /**设置随机颜色*/

    private static Color getRandColor(int fc, int bc) {

        // 取其随机颜色

        Random random = new Random();

        if (fc > ) {

            fc = ;

        }

        if (bc > ) {

            bc = ;

        }

        int r = fc + random.nextInt(bc - fc);

        int g = fc + random.nextInt(bc - fc);

        int b = fc + random.nextInt(bc - fc);

        return new Color(r, g, b);

    }

}

JSONResult

package com.jt.util;

public class JSONResult {

    // 响应业务状态

    private Integer status;

    // 响应消息

    private String msg;

    // 响应中的数据

    private Object data;

    private String ok; // 不使用

    public static JSONResult build(Integer status, String msg, Object data) {

        return new JSONResult(status, msg, data);

    }

    public static JSONResult ok(Object data) {

        return new JSONResult(data);

    }

    public static JSONResult ok() {

        return new JSONResult(null);

    }

    public static JSONResult errorMsg(String msg) {

        return new JSONResult(, msg, null);

    }

    public static JSONResult errorMap(Object data) {

        return new JSONResult(, "error", data);

    }

    public static JSONResult errorTokenMsg(String msg) {

        return new JSONResult(, msg, null);

    }

    public static JSONResult errorException(String msg) {

        return new JSONResult(, msg, null);

    }

    public JSONResult() {

    }

    public JSONResult(Integer status, String msg, Object data) {

        this.status = status;

        this.msg = msg;

        this.data = data;

    }

    public JSONResult(Object data) {

        this.status = ;

        this.msg = "OK";

        this.data = data;

    }

    public Boolean isOK() {

        return this.status == ;

    }

    public Integer getStatus() {

        return status;

    }

    public void setStatus(Integer status) {

        this.status = status;

    }

    public String getMsg() {

        return msg;

    }

    public void setMsg(String msg) {

        this.msg = msg;

    }

    public Object getData() {

        return data;

    }

    public void setData(Object data) {

        this.data = data;

    }

    public String getOk() {

        return ok;

    }

    public void setOk(String ok) {

        this.ok = ok;

    }

}

JwtUtils

package com.jt.util;

import java.util.Date;

import java.util.Map;

import java.util.UUID;

import javax.crypto.SecretKey;

import javax.crypto.spec.SecretKeySpec;

import org.apache.commons.codec.binary.Base64;

import io.jsonwebtoken.Claims;

import io.jsonwebtoken.JwtBuilder;

import io.jsonwebtoken.Jwts;

import io.jsonwebtoken.SignatureAlgorithm;

/**

 * JWT验证过滤器：配置顺序 CorsFilte->JwtUtilsr-->StrutsPrepareAndExecuteFilter

 *

 */

public class JwtUtils {

    /**

     * JWT_WEB_TTL：WEBAPP应用中token的有效时间,默认30分钟

     */

    public static final long JWT_WEB_TTL =  *  * ;

    /**

     * 将jwt令牌保存到header中的key

     */

    public static final String JWT_HEADER_KEY = "jwt";

    public static final String JWT_VERIFICATION_KEY = "verificationJwt";

    // 指定签名的时候使用的签名算法，也就是header那部分，jjwt已经将这部分内容封装好了。

    private static final SignatureAlgorithm SIGNATURE_ALGORITHM = SignatureAlgorithm.HS256;

    private static final String JWT_SECRET = "f356cdce935c42328ad2001d7e9552a3";// JWT密匙

    private static final SecretKey JWT_KEY;// 使用JWT密匙生成的加密key

// private static final SecretKey JWT_VERIFICATION_KEY;// 使用JWT密匙生成的加密key

    static {

        byte[] encodedKey = Base64.decodeBase64(JWT_SECRET);

        JWT_KEY = new SecretKeySpec(encodedKey, , encodedKey.length, "AES");

//    这里我偷个懒，用户登录jwt密钥，与图形验证码jwt密钥搞成同一个

//    JWT_VERIFICATION_KEY = new SecretKeySpec(encodedKey, 0, encodedKey.length, "AES");

    }

    private JwtUtils() {

    }

    /**

     * 解密jwt，获得所有声明(包括标准和私有声明)

     *

     * @param jwt

     * @return

     * @throws Exception

     */

    public static Claims parseJwt(String jwt) {

        Claims claims = Jwts.parser().setSigningKey(JWT_KEY).parseClaimsJws(jwt).getBody();

        return claims;

    }

    /**

     * 创建JWT令牌，签发时间为当前时间

     *

     * @param claims

     *            创建payload的私有声明（根据特定的业务需要添加，如果要拿这个做验证，一般是需要和jwt的接收方提前沟通好验证方式的）

     * @param ttlMillis

     *            JWT的有效时间(单位毫秒)，当前时间+有效时间=过期时间

     * @return jwt令牌

     */

    public static String createJwt(Map<String, Object> claims, long ttlMillis) {

        // 生成JWT的时间，即签发时间

        long nowMillis = System.currentTimeMillis();

        // 下面就是在为payload添加各种标准声明和私有声明了

        // 这里其实就是new一个JwtBuilder，设置jwt的body

        JwtBuilder builder = Jwts.builder()

                // 如果有私有声明，一定要先设置这个自己创建的私有的声明，这个是给builder的claim赋值，一旦写在标准的声明赋值之后，就是覆盖了那些标准的声明的

                .setClaims(claims)

                // 设置jti(JWT ID)：是JWT的唯一标识，根据业务需要，这个可以设置为一个不重复的值，主要用来作为一次性token,从而回避重放攻击。

                // 可以在未登陆前作为身份标识使用

                .setId(UUID.randomUUID().toString().replace("-", ""))

                // iss(Issuser)签发者，写死

                // .setIssuer("zking")

                // iat: jwt的签发时间

                .setIssuedAt(new Date(nowMillis))

                // 代表这个JWT的主体，即它的所有人，这个是一个json格式的字符串，可放数据{"uid":"zs"}。此处没放

                // .setSubject("{}")

                // 设置签名使用的签名算法和签名使用的秘钥

                .signWith(SIGNATURE_ALGORITHM, JWT_KEY)

                // 设置JWT的过期时间

                .setExpiration(new Date(nowMillis + ttlMillis));

        return builder.compact();

    }

    /**

     * 复制jwt，并重新设置签发时间(为当前时间)和失效时间

     *

     * @param jwt

     *            被复制的jwt令牌

     * @param ttlMillis

     *            jwt的有效时间(单位毫秒)，当前时间+有效时间=过期时间

     * @return

     */

    public static String copyJwt(String jwt, Long ttlMillis) {

        Claims claims = parseJwt(jwt);

        // 生成JWT的时间，即签发时间

        long nowMillis = System.currentTimeMillis();

        // 下面就是在为payload添加各种标准声明和私有声明了

        // 这里其实就是new一个JwtBuilder，设置jwt的body

        JwtBuilder builder = Jwts.builder()

                // 如果有私有声明，一定要先设置这个自己创建的私有的声明，这个是给builder的claim赋值，一旦写在标准的声明赋值之后，就是覆盖了那些标准的声明的

                .setClaims(claims)

                // 设置jti(JWT ID)：是JWT的唯一标识，根据业务需要，这个可以设置为一个不重复的值，主要用来作为一次性token,从而回避重放攻击。

                // 可以在未登陆前作为身份标识使用

                //.setId(UUID.randomUUID().toString().replace("-", ""))

                // iss(Issuser)签发者，写死

                // .setIssuer("zking")

                // iat: jwt的签发时间

                .setIssuedAt(new Date(nowMillis))

                // 代表这个JWT的主体，即它的所有人，这个是一个json格式的字符串，可放数据{"uid":"zs"}。此处没放

                // .setSubject("{}")

                // 设置签名使用的签名算法和签名使用的秘钥

                .signWith(SIGNATURE_ALGORITHM, JWT_KEY)

                // 设置JWT的过期时间

                .setExpiration(new Date(nowMillis + ttlMillis));

        return builder.compact();

    }

    public static Claims validateJwtToken(String jwt) {

        Claims claims = null;

        try {

            if (null != jwt) {

                claims = JwtUtils.parseJwt(jwt);

            }

        } catch (Exception e) {

            e.printStackTrace();

        }

        return claims;

    }

}

VerifyCodeUtil

package com.jt.util;

import java.util.Random;

public class VerifyCodeUtil {

    /**生成N位数字和字母混合的验证码

     * @param  num 验证码位数

     * @return code 生成的验证码字符串*/

    public static String produceNumAndChar(int num){

        Random random = new Random();

        String code = "";

        String ch = "ABCDEFGHIJKLMNPQRSTUVWXYZ";

        String n = "";

        for(int i=;i<num;i++){

            int flag = random.nextInt();

            if(flag==){//数字

                code+=n.charAt(random.nextInt(n.length()));

            }else{//字母

                code+=ch.charAt(random.nextInt(ch.length()));

            }

        }

        return code;

    }

}

Service层

package com.jt.service;

import com.jt.model.User;

public interface UserService {

    public User login(User user);

}

UserServiceImpl

package com.jt.service.impl;

import com.jt.mapper.UserMapper;

import com.jt.model.User;

import com.jt.service.UserService;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

@Service

public class UserServiceImpl implements UserService {

    @Autowired

    private UserMapper userMapper;

    @Override

    public User login(User user) {

        return userMapper.login(user);

    }

}

UserController.java

package com.jt.controller;

import com.jt.model.User;

import com.jt.service.UserService;

import com.jt.util.ImageUtil;

import com.jt.util.JSONResult;

import com.jt.util.JwtUtils;

import com.jt.util.VerifyCodeUtil;

import io.jsonwebtoken.Claims;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.data.redis.core.RedisTemplate;

import org.springframework.stereotype.Controller;

import org.springframework.util.StringUtils;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.IOException;

import java.util.HashMap;

import java.util.Map;

import java.util.concurrent.TimeUnit;

@Controller

@RequestMapping("/vue/user")

public class UserController {

    private static final String VERIFICATION_CODE = "verificationCode_";

    @Autowired

    private UserService userService;

    @Autowired

    private RedisTemplate redisTemplate;

    @RequestMapping("/login")

    @ResponseBody

    public JSONResult login(User u, HttpServletRequest request, HttpServletResponse response){

        //获取用户输入的验证码

        String userVerificationCode = request.getParameter("verificationCode");

        //获取验证码jwt令牌

        String userJwt = request.getHeader(JwtUtils.JWT_VERIFICATION_KEY);

        //获取到保存在redis中的验证码

        Object redisVerificationCode =  redisTemplate.opsForValue().get(VERIFICATION_CODE + userJwt) ;

//        这里存在两种情况：1、令牌超时   2、验证码超时

        if(StringUtils.isEmpty(redisVerificationCode)){

            return JSONResult.errorMsg("你的验证码已超时");

        }

        if(!redisVerificationCode.toString().equalsIgnoreCase(userVerificationCode)){

            return JSONResult.errorMsg("验证码错误");

        }

        User user = userService.login(u);

        //判断是否登录成功

        if(user != null){

            Map<String,Object> map=new HashMap<String, Object>();

            map.put("User", user);

            //这是颁发用户登录成功的jwt令牌

            String jwt= JwtUtils.createJwt(map, JwtUtils.JWT_WEB_TTL);

            response.setHeader(JwtUtils.JWT_HEADER_KEY, jwt);

            return JSONResult.ok(user);

        }else {

            return JSONResult.errorMsg("密码或账户错误");

        }

    }

    /**生成图片验证码*/

    @RequestMapping("/verificationCode")

    @ResponseBody

    public String verificationCode(HttpServletRequest req, HttpServletResponse resp) throws IOException {

        System.out.println("验证码");

        //生成验证码随机数

        String word = VerifyCodeUtil.produceNumAndChar();

//        获取用户的jwt令牌

        String userVerificationJwt = req.getHeader(JwtUtils.JWT_VERIFICATION_KEY);

        //验证码令牌

        Claims claims = JwtUtils.validateJwtToken(userVerificationJwt);

        if(claims == null){

            //如果用户令牌过期那么对应存放在redis中的数据也要清空

            if(!StringUtils.isEmpty(userVerificationJwt)){

                redisTemplate.expire(VERIFICATION_CODE + userVerificationJwt, , TimeUnit.DAYS);

            }

            userVerificationJwt =  JwtUtils.createJwt(new HashMap<String, Object>() ,JwtUtils.JWT_WEB_TTL);

            //将jwt令牌放入 response head中

            resp.setHeader(JwtUtils.JWT_VERIFICATION_KEY, userVerificationJwt);

        }

        //刷新缓存，更新验证码

        redisTemplate.opsForValue().set(VERIFICATION_CODE + userVerificationJwt , word,, TimeUnit.SECONDS);

        //生成图片

        String code = "data:image/png;base64," + ImageUtil.createImageWithVerifyCode(word, ,);;

        return code;

    }

}

web.xml

  <servlet>

    <servlet-name>SpringMVC</servlet-name>

    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

    <!--此参数可以不配置，默认值为：/WEB-INF/springmvc-servlet.xml-->

    <init-param>

      <param-name>contextConfigLocation</param-name>

      <param-value>/WEB-INF/springmvc-servlet.xml</param-value>

    </init-param>

    <load-on-startup></load-on-startup>

    <!--web.xml .0的新特性，是否支持异步-->

    <async-supported>true</async-supported>

  </servlet>

  <servlet-mapping>

    <servlet-name>SpringMVC</servlet-name>

    <url-pattern>/</url-pattern>

  </servlet-mapping>

前端

State.js

export default{

    resturantName: '飞歌餐馆',

    jwt:'',

    options: [],//存放tab页的容器

    activeIndex: '',//激活的tab页路由路径

    showName:'show',//tab页的标题

    role:"",//用来区分是否是因为左侧菜单被点击造成的路由路径发生改变，是：pass；不是：nopass

    verificationJwt:null, //这是用来保存用户等登录验证码jwt身份识别的

}

Mutations.js

export default {

    setResturantName: (state, payload) => {

        state.resturantName = payload.resturantName;

    },

    setJwt: (state, payload) => {

        state.jwt = payload.jwt;

    },

    // 添加tabs（data包含了路由路径跟tab页名字）

    add_tabs(state, data) {

        this.state.options.push(data);

    },

    // 删除tabs    （route是路由路径）

    delete_tabs(state, route) {

        let index = ;

        for (let option of state.options) {

            if (option.route === route) {

                break;

            }

            index++;

        }

        this.state.options.splice(index, ); //删除options里面下标为Index的一个数

    },

    // 设置当前激活的tab

    set_active_index(state, index) {

        this.state.activeIndex = index;

    },

    //设置tab页显示标题

    set_showName(state, name) {

        this.state.showName = name;

    },

    set_role(state, role) {

        this.state.role = role;

    },

    setVerificationJwt: (state, payload) => {

        state.verificationJwt = payload.verificationJwt;

    }

}

Getters.js

export default{

    getResturantName:(state)=>{

        return state.resturantName;

    },

    getJwt:(state)=>{

        return state.jwt;

    },

    getResturantName: (state) => {

        return state.resturantName;

    },

    getJwt: (state) => {

        return state.jwt;

    },

    getShowName:(state) => {

        return state.showName;

    },

    getOptions:(state) => {

        return state.options;

    },

    getRole:(state) =>{

        return state.role;

    },

    getVerificationJwt:(state) =>{

        return state.verificationJwt;

    }

}

action.js

/**

 * 对后台请求的地址的封装，URL格式如下：

 * 模块名_实体名_操作

 */

export default {

    // 'SERVER': 'http://localhost:8080/T216_SSH', //服务器

    'SERVER': 'http://localhost:8080', //服务器

    // 'SYSTEM_USER_DOLOGIN': '/vue/userAction_login.action', //用户登陆

    'SYSTEM_USER_DOLOGIN': '/vue/user/login', //用户登陆

    'VERIFICATION': '/vue/user/verificationCode', //用户登陆

    'SYSTEM_USER_DOREG': '/vue/userAction_reg.action', //用户注册

    'SYSTEM_MENU_TREE': '/vue/treeNodeAction.action', //左侧树形菜单加载

    'SYSTEM_ARTICLE_LIST': '/vue/articleAction_list.action', //文章列表

    'SYSTEM_ARTICLE_ADD': '/vue/articleAction_add.action', //文章新增

    'SYSTEM_ARTICLE_EDIT': '/vue/articleAction_edit.action', //文章修改

    'SYSTEM_ARTICLE_DEL': '/vue/articleAction_del.action', //文章删除

    'SYSTEM_USER_GETASYNCDATA': '/vue/userAction_getAsyncData.action', //vuex中的异步加载数据

    'getFullPath': k => { //获得请求的完整地址，用于mockjs测试时使用

        return this.SERVER + this[k];

    }

}

http.js

// 请求拦截器

axios.interceptors.request.use(function(config) {

    //设置验证码jwt令牌

    let verificationJwt = window.vm.$store.getters.getVerificationJwt;

    if (verificationJwt) {

        config.headers['verificationJwt'] = verificationJwt;

    }

    var jwt = window.vm.$store.getters.getJwt;

    config.headers['jwt'] = jwt;

    return config;

}, function(error) {

    return Promise.reject(error);

});

// 响应拦截器

axios.interceptors.response.use(function(response) {

    // debugger;

    //保存验证码jwt令牌

    let verificationjwt = response.headers['verificationjwt'];

    if (verificationjwt) {

        window.vm.$store.commit('setVerificationJwt', {

            verificationJwt: verificationjwt

        });

    }

    var jwt = response.headers['jwt'];

    if (jwt) {

        window.vm.$store.commit('setJwt', {

            jwt: jwt

        });

    }

    return response;

}, function(error) {

    return Promise.reject(error);

});

<template>

  <div class="login-wrap">

    <el-form class="login-container">

      <h1 class="title">用户登录</h1>

      <el-form-item label="">

        <el-input type="text" v-model="userName" placeholder="请输入登录账号" autocomplete="off"></el-input>

      </el-form-item>

      <el-form-item label="">

        <el-input type="password" v-model="userPwd" placeholder="请输入登录密码" autocomplete="off"></el-input>

      </el-form-item>

      <el-form-item label="">

        <el-row>

          <el-col :span="">

            <el-input type="text" v-model="verificationCode" placeholder="请输入验证码" autocomplete="off"></el-input>

          </el-col>

          <el-col :span="">

            <img id="img" :src="verificationCodeSrc" width="116px" height="40px" @click="changeVerificationCode" >

          </el-col>

        </el-row>

      </el-form-item>

      <el-form-item>

        <el-button type="primary" style="width: 100%;" @click="doSubmit">登  录</el-button>

      </el-form-item>

      <el-row style="text-align: center; margin-top: -15;">

        <el-link type="primary">忘记密码</el-link>

        <el-link type="primary" @click="gotoRegister">用户注册</el-link>

      </el-row>

    </el-form>

  </div>

</template>

<script>

    export default {

        name: 'Login',

        data: function() {

            return {

                userName: null,

                userPwd: null,

                verificationCode:null,

                verificationCodeSrc:null

            }

        },

        methods: {

            gotoRegister:function(){

                this.$router.push('/Register');

            },

            doSubmit: function() {

                let params = {

                    uname: this.userName,

                    pwd: this.userPwd,

                    verificationCode: this.verificationCode

                };

                let url = this.axios.urls.SYSTEM_USER_DOLOGIN;

                this.axios.post(url, params).then(resp => {

                    if(resp.data.status==) {

                        //提示登录成功

                        this.$message({

                            message: resp.data.msg,

                            type: 'success'

                        });

                        //跳转路由

                        this.$router.push({

                            path:'/Main'

                        })

                        //这是将用户信息保持下来

//                         let user=resp.data.data

//                         this.$store.dispatch('setUserAsync',{

//                             user:user

//                         });

                    }else{

                        this.$message({

                            message: resp.data.msg,

                            type: 'error'

                        });

                    }

                }).catch(resp => {

                    this.$message({

                        message: "请求异常",

                        type: 'error'

                    });

                });

            },

            //更新验证码

            changeVerificationCode(){

                let url = this.axios.urls.VERIFICATION;

                this.axios.post(url, {}).then(resp => {

                    this.verificationCodeSrc = resp.data;

                }).catch(resp => {

                    console.log(resp);

                });

            }

        }

        ,

        created() {

            let url = this.axios.urls.VERIFICATION;

            this.axios.post(url, {}).then(resp => {

                this.verificationCodeSrc = resp.data;

            }).catch(resp => {

                console.log(resp);

            });

        }

    }

</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->

<style scoped>

  .login-wrap {

    box-sizing: border-box;

    width: %;

    height: %;

    padding-top: %;

    background-image: url(data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="1361px" height="609px" viewBox="0 0 1361 609" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
    <!-- Generator: Sketch 46.2 (44496) - http://www.bohemiancoding.com/sketch -->
    <title>Group 21</title>
    <desc>Created with Sketch.</desc>
    <defs></defs>
    <g id="Ant-Design-Pro-3.0" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
        <g id="账户密码登录-校验" transform="translate(-79.000000, -82.000000)">
            <g id="Group-21" transform="translate(77.000000, 73.000000)">
                <g id="Group-18" opacity="0.8" transform="translate(74.901416, 569.699158) rotate(-7.000000) translate(-74.901416, -569.699158) translate(4.901416, 525.199158)">
                    <ellipse id="Oval-11" fill="#CFDAE6" opacity="0.25" cx="63.5748792" cy="32.468367" rx="21.7830479" ry="21.766008"></ellipse>
                    <ellipse id="Oval-3" fill="#CFDAE6" opacity="0.599999964" cx="5.98746479" cy="13.8668601" rx="5.2173913" ry="5.21330997"></ellipse>
                    <path d="M38.1354514,88.3520215 C43.8984227,88.3520215 48.570234,83.6838647 48.570234,77.9254015 C48.570234,72.1669383 43.8984227,67.4987816 38.1354514,67.4987816 C32.3724801,67.4987816 27.7006688,72.1669383 27.7006688,77.9254015 C27.7006688,83.6838647 32.3724801,88.3520215 38.1354514,88.3520215 Z" id="Oval-3-Copy" fill="#CFDAE6" opacity="0.45"></path>
                    <path d="M64.2775582,33.1704963 L119.185836,16.5654915" id="Path-12" stroke="#CFDAE6" stroke-width="1.73913043" stroke-linecap="round" stroke-linejoin="round"></path>
                    <path d="M42.1431708,26.5002681 L7.71190162,14.5640702" id="Path-16" stroke="#E0B4B7" stroke-width="0.702678964" opacity="0.7" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
                    <path d="M63.9262187,33.521561 L43.6721326,69.3250951" id="Path-15" stroke="#BACAD9" stroke-width="0.702678964" stroke-linecap="round" stroke-linejoin="round" stroke-dasharray="1.405357899873153,2.108036953469981"></path>
                    <g id="Group-17" transform="translate(126.850922, 13.543654) rotate(30.000000) translate(-126.850922, -13.543654) translate(117.285705, 4.381889)" fill="#CFDAE6">
                        <ellipse id="Oval-4" opacity="0.45" cx="9.13482653" cy="9.12768076" rx="9.13482653" ry="9.12768076"></ellipse>
                        <path d="M18.2696531,18.2553615 C18.2696531,13.2142826 14.1798519,9.12768076 9.13482653,9.12768076 C4.08980114,9.12768076 0,13.2142826 0,18.2553615 L18.2696531,18.2553615 Z" id="Oval-4" transform="translate(9.134827, 13.691521) scale(-1, -1) translate(-9.134827, -13.691521) "></path>
                    </g>
                </g>
                <g id="Group-14" transform="translate(216.294700, 123.725600) rotate(-5.000000) translate(-216.294700, -123.725600) translate(106.294700, 35.225600)">
                    <ellipse id="Oval-2" fill="#CFDAE6" opacity="0.25" cx="29.1176471" cy="29.1402439" rx="29.1176471" ry="29.1402439"></ellipse>
                    <ellipse id="Oval-2" fill="#CFDAE6" opacity="0.3" cx="29.1176471" cy="29.1402439" rx="21.5686275" ry="21.5853659"></ellipse>
                    <ellipse id="Oval-2-Copy" stroke="#CFDAE6" opacity="0.4" cx="179.019608" cy="138.146341" rx="23.7254902" ry="23.7439024"></ellipse>
                    <ellipse id="Oval-2" fill="#BACAD9" opacity="0.5" cx="29.1176471" cy="29.1402439" rx="10.7843137" ry="10.7926829"></ellipse>
                    <path d="M29.1176471,39.9329268 L29.1176471,18.347561 C23.1616351,18.347561 18.3333333,23.1796097 18.3333333,29.1402439 C18.3333333,35.1008781 23.1616351,39.9329268 29.1176471,39.9329268 Z" id="Oval-2" fill="#BACAD9"></path>
                    <g id="Group-9" opacity="0.45" transform="translate(172.000000, 131.000000)" fill="#E6A1A6">
                        <ellipse id="Oval-2-Copy-2" cx="7.01960784" cy="7.14634146" rx="6.47058824" ry="6.47560976"></ellipse>
                        <path d="M0.549019608,13.6219512 C4.12262681,13.6219512 7.01960784,10.722722 7.01960784,7.14634146 C7.01960784,3.56996095 4.12262681,0.670731707 0.549019608,0.670731707 L0.549019608,13.6219512 Z" id="Oval-2-Copy-2" transform="translate(3.784314, 7.146341) scale(-1, 1) translate(-3.784314, -7.146341) "></path>
                    </g>
                    <ellipse id="Oval-10" fill="#CFDAE6" cx="218.382353" cy="138.685976" rx="1.61764706" ry="1.61890244"></ellipse>
                    <ellipse id="Oval-10-Copy-2" fill="#E0B4B7" opacity="0.35" cx="179.558824" cy="175.381098" rx="1.61764706" ry="1.61890244"></ellipse>
                    <ellipse id="Oval-10-Copy" fill="#E0B4B7" opacity="0.35" cx="180.098039" cy="102.530488" rx="2.15686275" ry="2.15853659"></ellipse>
                    <path d="M28.9985381,29.9671598 L171.151018,132.876024" id="Path-11" stroke="#CFDAE6" opacity="0.8"></path>
                </g>
                <g id="Group-10" opacity="0.799999952" transform="translate(1054.100635, 36.659317) rotate(-11.000000) translate(-1054.100635, -36.659317) translate(1026.600635, 4.659317)">
                    <ellipse id="Oval-7" stroke="#CFDAE6" stroke-width="0.941176471" cx="43.8135593" cy="32" rx="11.1864407" ry="11.2941176"></ellipse>
                    <g id="Group-12" transform="translate(34.596774, 23.111111)" fill="#BACAD9">
                        <ellipse id="Oval-7" opacity="0.45" cx="9.18534718" cy="8.88888889" rx="8.47457627" ry="8.55614973"></ellipse>
                        <path d="M9.18534718,17.4450386 C13.8657264,17.4450386 17.6599235,13.6143199 17.6599235,8.88888889 C17.6599235,4.16345787 13.8657264,0.332739156 9.18534718,0.332739156 L9.18534718,17.4450386 Z" id="Oval-7"></path>
                    </g>
                    <path d="M34.6597385,24.809694 L5.71666084,4.76878945" id="Path-2" stroke="#CFDAE6" stroke-width="0.941176471"></path>
                    <ellipse id="Oval" stroke="#CFDAE6" stroke-width="0.941176471" cx="3.26271186" cy="3.29411765" rx="3.26271186" ry="3.29411765"></ellipse>
                    <ellipse id="Oval-Copy" fill="#F7E1AD" cx="2.79661017" cy="61.1764706" rx="2.79661017" ry="2.82352941"></ellipse>
                    <path d="M34.6312443,39.2922712 L5.06366663,59.785082" id="Path-10" stroke="#CFDAE6" stroke-width="0.941176471"></path>
                </g>
                <g id="Group-19" opacity="0.33" transform="translate(1282.537219, 446.502867) rotate(-10.000000) translate(-1282.537219, -446.502867) translate(1142.537219, 327.502867)">
                    <g id="Group-17" transform="translate(141.333539, 104.502742) rotate(275.000000) translate(-141.333539, -104.502742) translate(129.333539, 92.502742)" fill="#BACAD9">
                        <circle id="Oval-4" opacity="0.45" cx="11.6666667" cy="11.6666667" r="11.6666667"></circle>
                        <path d="M23.3333333,23.3333333 C23.3333333,16.8900113 18.1099887,11.6666667 11.6666667,11.6666667 C5.22334459,11.6666667 0,16.8900113 0,23.3333333 L23.3333333,23.3333333 Z" id="Oval-4" transform="translate(11.666667, 17.500000) scale(-1, -1) translate(-11.666667, -17.500000) "></path>
                    </g>
                    <circle id="Oval-5-Copy-6" fill="#CFDAE6" cx="201.833333" cy="87.5" r="5.83333333"></circle>
                    <path d="M143.5,88.8126685 L155.070501,17.6038544" id="Path-17" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <path d="M17.5,37.3333333 L127.466252,97.6449735" id="Path-18" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <polyline id="Path-19" stroke="#CFDAE6" stroke-width="1.16666667" points="143.902597 120.302281 174.935455 231.571342 38.5 147.510847 126.366941 110.833333"></polyline>
                    <path d="M159.833333,99.7453842 L195.416667,89.25" id="Path-20" stroke="#E0B4B7" stroke-width="1.16666667" opacity="0.6"></path>
                    <path d="M205.333333,82.1372105 L238.719406,36.1666667" id="Path-24" stroke="#BACAD9" stroke-width="1.16666667"></path>
                    <path d="M266.723424,132.231988 L207.083333,90.4166667" id="Path-25" stroke="#CFDAE6" stroke-width="1.16666667"></path>
                    <circle id="Oval-5" fill="#C1D1E0" cx="156.916667" cy="8.75" r="8.75"></circle>
                    <circle id="Oval-5-Copy-3" fill="#C1D1E0" cx="39.0833333" cy="148.75" r="5.25"></circle>
                    <circle id="Oval-5-Copy-2" fill-opacity="0.6" fill="#D1DEED" cx="8.75" cy="33.25" r="8.75"></circle>
                    <circle id="Oval-5-Copy-4" fill-opacity="0.6" fill="#D1DEED" cx="243.833333" cy="30.3333333" r="5.83333333"></circle>
                    <circle id="Oval-5-Copy-5" fill="#E0B4B7" cx="175.583333" cy="232.75" r="5.25"></circle>
                </g>
            </g>
        </g>
    </g>
</svg>);

    /* background-color: #112346; */

    background-repeat: no-repeat;

    background-position: center right;

    background-size: %;

  }

  .login-container {

    border-radius: 10px;

    margin: 0px auto;

    width: 350px;

    padding: 30px 35px 15px 35px;

    background: #fff;

    border: 1px solid #eaeaea;

    text-align: left;

    box-shadow:   20px 2px rgba(, , , 0.1);

  }

  .title {

    margin: 0px auto 40px auto;

    text-align: center;

    color: #;

  }

</style>

到这里结束了

springmvc的文件上传和JWT图形验证码的更多相关文章

springmvc图片文件上传接口
springmvc图片文件上传用MultipartFile文件方式传输 Controller package com.controller; import java.awt.image.Buffer ...
SpringMVC学习--文件上传
简介文件上传是web开发中常见的需求之一,springMVC将文件上传进行了集成,可以方便快捷的进行开发. springmvc中对多部件类型解析在页面form中提交enctype="m ...
Spring +SpringMVC 实现文件上传功能。。。
要实现Spring +SpringMVC 实现文件上传功能. 第一步:下载第二步: 新建一个web项目导入Spring 和SpringMVC的jar包(在MyEclipse里有自动生成spring ...
SpringMVC之文件上传异常处理
一般情况下,对上传的文件会进行大小的限制.如果超过指定大小时会抛出异常,一般会对异常进行捕获并友好的显示出来.以下用SpringMVC之文件上传进行完善. 首先配置CommonsMultipartRe ...
springmvc实现文件上传
springmvc实现文件上传多数文件上传都是通过表单形式提交给后台服务器的,因此,要实现文件上传功能,就需要提供一个文件上传的表单,而该表单就要满足以下3个条件 (1)form表彰的method属 ...
【SpringMVC】文件上传Expected MultipartHttpServletRequest: is a MultipartResolver错误解决
本文转载自:https://blog.csdn.net/lzgs_4/article/details/50465617 使用SpringMVC实现文件上传时,后台使用了 MultipartFile类, ...
关于SpringMVC的文件上传
关于文件的上传,之前写过2篇文章,基于Struts2框架,下面给出文章链接: <关于Struts2的文件上传>:http://www.cnblogs.com/lichenwei/p/392 ...
一起学SpringMVC之文件上传
概述在Web系统开发过程中,文件上传是普遍的功能,本文主要以一个简单的小例子,讲解SpringMVC中文件上传的使用方法,仅供学习分享使用,如有不足之处,还请指正. 文件上传依赖包如下所示,文件上 ...
SpringMVC+ajax文件上传实例教程
原文地址:https://blog.csdn.net/weixin_41092717/article/details/81080152 文件上传文件上传是项目开发中最常见的功能.为了能上传文件,必须将 ...

随机推荐

破解另一家网站的反爬机制 & HMAC 算法
零.写在前面本文涉及的反爬技术,仅供个人技术学习,禁止并做到: 干扰被访问网站的正常运行抓取受到法律保护的特定类型的数据或信息搜集到的数据禁止传播.交给第三方使用.或者牟利如有可能,在爬到数据 ...
操作系统——输入输出(I/O)管理
目录一.I/O 管理概述 1.1 I/O 控制方式 1.2 I/O 软件层次结构二.I/O 核心子系统 2.1 I/O 调度概念 2.2高速缓存与缓冲区 2.3设备分配与回收 2.4假脱机技术(S ...
图片切换器（ImageSwitcher）的功能与用法
ImageSwitcher继承了ViewSwitcher,因此它具有与ViewSwitcher相同的特征:可以在切换View组件时使用动画效果.ImageSwitcher继承了ViewSwitcher ...
【Cocos谁学谁会】制作会跑动的地板
版权申明: 本文原创首发于以下网站,您可以自由转载,但必须加入完整的版权声明博客园:https://www.cnblogs.com/MogooStudio/ csdn博客:https://blog. ...
Harbor 清理镜像(此方法比较粗暴，但是有效)
0x00 事件 Harbor 私有仓库中占有的存储慢慢越来越大,使用官方的清理工具以及 UI 上的垃圾清理,都似乎也不能清理掉-- 后来吾用了一种简单粗暴的方法清理镜像--删除 harbor regi ...
基于Redis扩展模块的布隆过滤器使用
什么是布隆过滤器?它实际上是一个很长的二进制向量和一系列随机映射函数.把一个目标元素通过多个hash函数的计算,将多个随机计算出的结果映射到不同的二进制向量的位中,以此来间接标记一个元素是否存在于一个 ...
web项目的初始搭建和intellij的tomcat的配置
点击web application
EasyExcel示例（阿里巴巴）基于Maven
首先感谢阿里巴巴提供了easyexcel工具类,github地址:https://github.com/alibaba/easyexcel 注意!!这里只是一个简单的示例,VC大法即可使用,对于复杂的 ...
Tornado—接口调用时方法执行顺序
import tornado.web # web服务 import tornado.ioloop # I/O 时间循环 class MainHandler(tornado.web.RequestHan ...
华为eNSP路由交换实验-生成树之RSTP
RSTP基础配置实验拓扑图实验步骤 1.基本配置根据实验编址表进行相应的基本IP配置. 2.配置RSTP基本功能. (1)把生成树模式由默认的MSTP(华为交换机默认开启)改为RSTP. [FW ...

springmvc的文件上传和JWT图形验证码

springmvc的文件上传和JWT图形验证码的更多相关文章

随机推荐

热门专题