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修改验证码格式

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This commit is contained in:
landaiqing
2023-06-30 17:20:24 +08:00
parent 6a0842d09b
commit 4516d5f339
3 changed files with 8 additions and 16 deletions
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1
src/com/hellogithub/servlet/UserRegisterServlet.java
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@@ -46,7 +46,6 @@ public class UserRegisterServlet extends HttpServlet {
String userPwd = req.getParameter("password");
// 参数验证
if (StringUtils.isEmpty(userPwd)) {
//转发到错误页面
setResultError("密码不能够是为空", writer);
return;
}

14
src/com/hellogithub/servlet/VerifycodeServlet.java
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@@ -22,14 +22,14 @@ public class VerifycodeServlet extends HttpServlet {
response.setContentType("image/jpeg");//设置相应类型,告诉浏览器输出的内容为图片
response.setHeader("Pragma", "No-cache");//设置响应头信息，告诉浏览器不要缓存此内容
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=utf-8");
// request.setCharacterEncoding("UTF-8");
// response.setCharacterEncoding("UTF-8");
// response.setContentType("text/html; charset=utf-8");
// 设置响应头允许ajax跨域访问
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Headers", "token, Accept, Origin, X-Requested-With, Content-Type, Last-Modified");
// response.setHeader("Access-Control-Allow-Origin", "*");
// response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
// response.setHeader("Access-Control-Max-Age", "3600");
// response.setHeader("Access-Control-Allow-Headers", "token, Accept, Origin, X-Requested-With, Content-Type, Last-Modified");
//做浏览器兼容
response.setHeader("Cache-Control", "no-cache");

9
src/com/hellogithub/utils/RandomValidateCode.java
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@@ -16,7 +16,7 @@ public class RandomValidateCode {
public static final String RANDOMVALIDATECODE = "RandomValidateCode";// 放到session中的key
private Random random = new Random();
private String randString = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";//随机产生的字符串
private int width = 100;// 图片宽度
private int width = 80;// 图片宽度
private int height = 26;// 图片高度
private int lineSize = 40;// 干扰线数量
private int stringNum = 4;// 随机产生的字符数量
@@ -52,13 +52,6 @@ public class RandomValidateCode {
* @param response
*/
public void getRandcode(HttpServletRequest request, HttpServletResponse response) {
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html; charset=utf-8");
// 设置响应头允许ajax跨域访问
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Headers", "token, Accept, Origin, X-Requested-With, Content-Type, Last-Modified");
HttpSession session = request.getSession();
// BufferedImage类是具有缓冲区的Image类,Image类是用于描述图像信息的类
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_BGR);