39 lines
1.0 KiB
Java
39 lines
1.0 KiB
Java
package com.wf.captcha.servlet;
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import java.io.IOException;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import com.wf.captcha.utils.CaptchaUtil;
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/**
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* 验证码servlet
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*
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* @author wangfan
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* @date 2018-5-14 上午9:53:01
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*/
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public class CaptchaServlet extends HttpServlet {
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private static final long serialVersionUID = -90304944339413093L;
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public void doGet(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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// 是否有key决定是存在session中还是servletContext中
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String key = request.getParameter("key");
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CaptchaUtil cu = new CaptchaUtil();
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if (key != null && !key.trim().isEmpty()) {
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cu.out(key, request, response);
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} else {
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cu.out(request, response);
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}
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}
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public void doPost(HttpServletRequest request, HttpServletResponse response)
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throws ServletException, IOException {
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doGet(request, response);
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}
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}
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