48 lines
1.8 KiB
Java
48 lines
1.8 KiB
Java
package com.szxgl.vote2021.controller;
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import com.szxgl.vote2021.utils.RedisUtil;
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import com.szxgl.vote2021.utils.VerifyUtil;
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import lombok.extern.java.Log;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RestController;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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@Slf4j
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@RestController
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@RequestMapping("/code")
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public class VerificationCodeController {
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public static final String RANDOMCODEKEY= "RANDOMREDISKEY";//放到session中的key
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@Autowired
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private RedisUtil redisUtil;
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/**
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* @author XXXXXX
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* @date 2018年7月11日
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* @desc 图形验证码生成
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*/
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@RequestMapping("/createImg")
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public void createImg(HttpServletRequest request, HttpServletResponse response) throws Exception {
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try {
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response.setContentType("image/jpeg");//设置相应类型,告诉浏览器输出的内容为图片
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response.setHeader("Pragma", "No-cache");//设置响应头信息，告诉浏览器不要缓存此内容
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response.setHeader("Cache-Control", "no-cache");
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response.setDateHeader("Expire", 0);
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VerifyUtil randomValidateCode = new VerifyUtil();
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randomValidateCode.getRandcode(request, response);//输出验证码图片
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//将生成的随机验证码存放到redis中
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redisUtil.set(RANDOMCODEKEY,request.getSession().getAttribute(RANDOMCODEKEY),Long.parseLong("60"));
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}catch (Exception e){
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log.error("获取验证码异常：", e);
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}
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}
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}
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