springboot-整合vue和图片验证码

落日映苍穹つ 2022-04-11 11:30 227阅读 0赞

# springboot-整合vue和图片验证码 #

### 文章目录 ###

*  springboot-整合vue和图片验证码
 *   *  1.配置
     *   *  1.1pom
         *  1.2Kaptcha的初始化
         *  1.3Kaptcha生产验证码
         *  1.4vue前端代码
     *  2.测试
     *   *  2.1本地web测试
         *  2.2验证码的刷新

完整代码下载链接：

[https://github.com/2010yhh/springBoot-demos/tree/master/springboot-shiro][https_github.com_2010yhh_springBoot-demos_tree_master_springboot-shiro]

**环境**

> idea2018，jdk1.8，
> 
> springboot版本：springboot1.5.9.RELEASE
> 
> chrome浏览器
> 
> Kaptcha2.3.2

## 1.配置 ##

### 1.1pom ###

>     
>         <repositories>
>             <repository>
>                 <id>sonatype-forge</id>
>                 <name>Sonatype Forge</name>
>                 <url>http://repository.sonatype.org/content/groups/forge/</url>
>                 <releases>
>                     <enabled>true</enabled>
>                 </releases>
>                 <snapshots>
>                     <enabled>false</enabled>
>                 </snapshots>
>             </repository>
>         </repositories>
>     
>         
>             <dependency>
>                 <groupId>com.github.penggle</groupId>
>                 <artifactId>kaptcha</artifactId>
>                 <version>2.3.2</version>
>             </dependency>

### 1.2Kaptcha的初始化 ###

>     @Component
>     public class KaptchaConfig {
>        @Bean
>        public DefaultKaptcha getDefaultKaptcha() {
>           DefaultKaptcha defaultKaptcha = new DefaultKaptcha();
>           Properties properties = new Properties();
>           // 图片宽
>           properties.setProperty("kaptcha.image.width", "180");
>           // 图片高
>           properties.setProperty("kaptcha.image.height", "50");
>           // 图片边框
>           properties.setProperty("kaptcha.border", "yes");
>           // 边框颜色
>           properties.setProperty("kaptcha.border.color", "105,179,90");
>           // 字体颜色
>           properties.setProperty("kaptcha.textproducer.font.color", "blue");
>           // 字体大小
>           properties.setProperty("kaptcha.textproducer.font.size", "40");
>           // session key
>           properties.setProperty("kaptcha.session.key", "code");
>           // 验证码长度
>           properties.setProperty("kaptcha.textproducer.char.length", "4");
>           // 字体
>           properties.setProperty("kaptcha.textproducer.font.names", "宋体,楷体,微软雅黑");
>           Config config = new Config(properties);
>           defaultKaptcha.setConfig(config);
>           return defaultKaptcha;
>        }
>     }

### 1.3Kaptcha生产验证码 ###

>     @RequestMapping("/createImageCode")
>     public void createImageCode(HttpServletRequest request, HttpServletResponse response)
>           throws Exception {
>        byte[] captchaChallengeAsJpeg = null;
>        ByteArrayOutputStream jpegOutputStream = new ByteArrayOutputStream();
>        try {
>           // 生产验证码字符串并保存到session中
>           String createText = defaultKaptcha.createText();
>           request.getSession().setAttribute("imageCode", createText);
>           // 使用生产的验证码字符串返回一个BufferedImage对象并转为byte写入到byte数组中
>           BufferedImage challenge = defaultKaptcha.createImage(createText);
>           ImageIO.write(challenge, "jpg", jpegOutputStream);
>           logger.info("createImageCode:{}",request.getSession().getAttribute("imageCode"));
>        } catch (IllegalArgumentException e) {
>           response.sendError(HttpServletResponse.SC_NOT_FOUND);
>           return;
>        }
>     
>        // 定义response输出类型为image/jpeg类型，使用response输出流输出图片的byte数组
>        captchaChallengeAsJpeg = jpegOutputStream.toByteArray();
>        response.setHeader("Cache-Control", "no-store");
>        response.setHeader("Pragma", "no-cache");
>        response.setDateHeader("Expires", 0);
>        response.setContentType("image/jpeg");
>        ServletOutputStream responseOutputStream = response.getOutputStream();
>        responseOutputStream.write(captchaChallengeAsJpeg);
>        responseOutputStream.flush();
>        responseOutputStream.close();
>     }

### 1.4vue前端代码 ###

>     <el-form :model="form" label-width="120px" :rules="rules">
>                 <el-form-item label="用户名" required>
>                     <el-input v-model="form.userName" auto-complete="off" class="el-col-width" required></el-input>
>                 </el-form-item>
>                 <el-form-item label="密码" required>
>                     <el-input type="password" v-model="form.passWord" auto-complete="off" class="el-col-width" required></el-input>
>                 </el-form-item>
>                 
>                 <el-form-item label="输入验证码" required>
>                     <el-input v-model="form.inputImageCode" auto-complete="off" class="el-col-width"></el-input>
>                 </el-form-item>
>                 <el-form-item required>
>                     <img id="img" alt="验证码" onclick="this.src='/createImageCode?d='+new Date()*1" src="/createImageCode" />
>                 </el-form-item>
>                 <el-form-item>
>                     <el-button type="primary" @click="handleSubmit">登录</el-button>
>                 </el-form-item>
>             </el-form>

>     handleSubmit() {
>           var params = {}
>           params.userName = this.form.userName
>           params.passWord = this.form.passWord
>           params.rememberMe = this.form.rememberMe
>           params.inputImageCode = this.form.inputImageCode
>           HTTP.checkImageCode(params).then(r => {
>             //先校验输入的验证码
>             if (r.data.code === '200') {
>               HTTP.login(params).then(r => {
>                 //后台定义的状态码,登录成功后跳转
>                 if (r.data.code === '200') {
>                   this.$router.push({ name: 'home', params: { user: r.data.user } })
>                   this.$notify({
>                     title: 'success',
>                     message: '登录成功',
>                     type: 'success',
>                     position: 'bottom-right'
>                   })
>                 } else {
>                     document.getElementById("img").src="/createImageCode?d='+new Date()*1"; //这里的图片是更换后的图片
>                   this.$notify.error({
>                     title: 'error',
>                     message: '登录失败:' + r.data.msg,
>                     type: 'error',
>                     position: 'bottom-right'
>                   })
>                 }
>               })
>             } else {
>                 document.getElementById("img").src="/createImageCode?d='+new Date()*1"; //这里的图片是更换后的图片
>               this.$notify.error({
>                 title: 'error',
>                 message: '验证码错误',
>                 type: 'error',
>                 position: 'bottom-right'
>               })
>             }
>           })
>         }

## 2.测试 ##

### 2.1本地web测试 ###

：[http://localhost:8090][http_localhost_8090]  
**结果：输入正确信息可以正常登录**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3loaHloaHloaHloaA_size_16_color_FFFFFF_t_70]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3loaHloaHloaHloaA_size_16_color_FFFFFF_t_70 1]

### 2.2验证码的刷新 ###

验证码错误或者输入信息错误会或者点击了验证码：验证码会自动刷新  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3loaHloaHloaHloaA_size_16_color_FFFFFF_t_70 2]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3loaHloaHloaHloaA_size_16_color_FFFFFF_t_70 3]

[https_github.com_2010yhh_springBoot-demos_tree_master_springboot-shiro]: https://github.com/2010yhh/springBoot-demos/tree/master/springboot-shiro
[http_localhost_8090]: http://localhost:8090
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3loaHloaHloaHloaA_size_16_color_FFFFFF_t_70]: /images/20220411/7e5ac92cd64c49cc81dfa828fbccd6d7.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3loaHloaHloaHloaA_size_16_color_FFFFFF_t_70 1]: /images/20220411/aee14efdfccc46f59bb7d0008275423c.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3loaHloaHloaHloaA_size_16_color_FFFFFF_t_70 2]: /images/20220411/9baad15f98f7454fa3524674a72e3305.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3loaHloaHloaHloaA_size_16_color_FFFFFF_t_70 3]: /images/20220411/0536652a436442678919b6ed905e0529.png