1回答

翔仔

2018-09-22

同学好，这个感觉还是跟你配置有关，你直接把我的kaptcha复制粘贴过去，然后调试看看能否传到后台，

web.xml

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
                      http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
	version="3.1" metadata-complete="true">
	<display-name>Archetype Created Web Application</display-name>
	<welcome-file-list>
		<welcome-file>aaa.jsp</welcome-file>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
	<servlet>
		<servlet-name>Kaptcha</servlet-name>
		<servlet-class>com.google.code.kaptcha.servlet.KaptchaServlet</servlet-class>
		<!-- 是否有边框 -->
		<init-param>
			<param-name>kaptcha.border</param-name>
			<param-value>no</param-value>
		</init-param>
		<!-- 字体颜色 -->
		<init-param>
			<param-name>kaptcha.textproducer.font.color</param-name>
			<param-value>red</param-value>
		</init-param>
		<!-- 图片宽度 -->
		<init-param>
			<param-name>kaptcha.image.width</param-name>
			<param-value>135</param-value>
		</init-param>
		<!-- 使用哪些字符生成验证码 -->
		<init-param>
			<param-name>kaptcha.textproducer.char.string</param-name>
			<param-value>ACDEFHKPRSTWX345679</param-value>
		</init-param>
		<!-- 图片高度 -->
		<init-param>
			<param-name>kaptcha.image.height</param-name>
			<param-value>50</param-value>
		</init-param>
		<!-- 字体大小 -->
		<init-param>
			<param-name>kaptcha.textproducer.font.size</param-name>
			<param-value>43</param-value>
		</init-param>		
		<!-- 干扰线的颜色 -->
		<init-param>
			<param-name>kaptcha.noise.color</param-name>
			<param-value>black</param-value>
		</init-param>
		<!-- 字符个数 -->
		<init-param>
			<param-name>kaptcha.textproducer.char.length</param-name>
			<param-value>4</param-value>
		</init-param>		
		<!-- 字体 -->
		<init-param>
			<param-name>kaptcha.textproducer.font.names</param-name>
			<param-value>Arial</param-value>
		</init-param>					
	</servlet>
	<servlet-mapping>
		<servlet-name>Kaptcha</servlet-name>
		<url-pattern>/Kaptcha</url-pattern>
	</servlet-mapping>
	<servlet>
		<servlet-name>spring-dispatcher</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:spring/spring-*.xml</param-value>
		</init-param>
	</servlet>
	<servlet-mapping>
		<servlet-name>spring-dispatcher</servlet-name>
		<!-- 默认匹配所有的请求 -->
		<url-pattern>/</url-pattern>
	</servlet-mapping>
</web-app>

	public static boolean checkVerifyCode(HttpServletRequest request) {
		String verifyCodeExpected = (String) request.getSession()
				.getAttribute(com.google.code.kaptcha.Constants.KAPTCHA_SESSION_KEY);
		String verifyCodeActual = HttpServletRequestUtil.getString(request, "verifyCodeActual");
		if (verifyCodeActual == null || !verifyCodeActual.equals(verifyCodeExpected)) {
			return false;
		}
		return true;
	}

0

2

tataxqy

回复

贾德雄

同学你还记得怎么解决的吗，我也是期望的验证码是空的

2019-04-09

共2条回复