package com.stylefeng.guns.modular.system.controller;
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import com.google.code.kaptcha.Constants;
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import com.google.code.kaptcha.Producer;
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import com.google.code.kaptcha.impl.DefaultKaptcha;
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import com.google.code.kaptcha.util.Config;
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import com.google.code.kaptcha.util.Configurable;
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import com.stylefeng.guns.config.properties.GunsProperties;
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import com.stylefeng.guns.core.util.FileUtil;
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import com.stylefeng.guns.modular.system.util.RedisUtil;
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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.PathVariable;
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import org.springframework.web.bind.annotation.RequestMapping;
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import javax.imageio.ImageIO;
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import javax.servlet.ServletOutputStream;
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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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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import java.util.Properties;
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/**
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* 验证码生成
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*
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* @author fengshuonan
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* @date 2017-05-05 23:10
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*/
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@Controller
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@RequestMapping("/base/kaptcha")
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public class KaptchaController {
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@Autowired
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private GunsProperties gunsProperties;
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@Autowired
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private Producer producer;
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@Autowired
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private RedisUtil redisUtil;
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/**
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* 生成验证码
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*/
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@RequestMapping("")
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public void index(HttpServletRequest request, HttpServletResponse response,String phone) {
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String substring = phone.substring(0, 1);
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if("0".equals(substring)){
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phone = "233" + phone.substring(1);
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}
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if(phone.indexOf("233") < 0){
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phone = "233" + phone;
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}
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HttpSession session = request.getSession();
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response.setDateHeader("Expires", 0);
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// Set standard HTTP/1.1 no-cache headers.
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response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
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// Set IE extended HTTP/1.1 no-cache headers (use addHeader).
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response.addHeader("Cache-Control", "post-check=0, pre-check=0");
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// Set standard HTTP/1.0 no-cache header.
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response.setHeader("Pragma", "no-cache");
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// return a jpeg
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response.setContentType("image/jpeg");
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// create the text for the image
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String capText = producer.createText();
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// store the text in the session
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session.setAttribute(Constants.KAPTCHA_SESSION_KEY, capText);
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redisUtil.setStrValue(phone+"_Code",capText);
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// create the image with the text
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Properties properties = new Properties();
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// 设置边框
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properties.setProperty("kaptcha.border", "no");
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// 设置颜色
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properties.setProperty("kaptcha.border.color", "105,179,90");
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// 设置字体颜色
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properties.setProperty("kaptcha.textproducer.font.color", "blue");
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// 设置宽度
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properties.setProperty("kaptcha.image.width", "125");
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// 高度
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properties.setProperty("kaptcha.image.height", "42");
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// 设置session.key
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properties.setProperty("kaptcha.session.key", "code");
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// 设置文本长度
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properties.setProperty("kaptcha.textproducer.char.length", "4");
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// 设置字体
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properties.setProperty("kaptcha.textproducer.font.names", "宋体,楷体,微软雅黑");
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//字体大小
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properties.setProperty("kaptcha.textproducer.font.size", "35");
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Config config = new Config(properties);
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DefaultKaptcha defaultKaptcha = new DefaultKaptcha();
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defaultKaptcha.setConfig(config);
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BufferedImage bi = defaultKaptcha.createImage(capText);
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ServletOutputStream out = null;
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try {
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out = response.getOutputStream();
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} catch (IOException e) {
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e.printStackTrace();
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}
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// write the data out
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try {
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ImageIO.write(bi, "jpg", out);
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} catch (IOException e) {
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e.printStackTrace();
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}
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try {
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try {
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out.flush();
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} catch (IOException e) {
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e.printStackTrace();
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}
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} finally {
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try {
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out.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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/**
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* 返回图片
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*
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* @author stylefeng
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* @Date 2017/5/24 23:00
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*/
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@RequestMapping("/{pictureId}")
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public void renderPicture(@PathVariable("pictureId") String pictureId, HttpServletResponse response) {
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String path = gunsProperties.getFileUploadPath() + pictureId;
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try {
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byte[] bytes = FileUtil.toByteArray(path);
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response.getOutputStream().write(bytes);
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} catch (Exception e) {
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//如果找不到图片就返回一个默认图片
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try {
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response.sendRedirect("/static/img/girl.gif");
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} catch (IOException e1) {
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e1.printStackTrace();
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}
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}
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}
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}
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