证书图片本地启动没事,Linux服务器启动中文乱码解决

在本地启动没有中文乱码在Linux上发布服务出现中文乱码，中文乱码是因为Linux系统上没有安装响应的字体可以下载字体和Java文件一起打包上传

在resuorces下放置你需要的中文字体

下面是读取字体的工具类

package com.yszs.saxt.service.utils;
import java.awt.Font;
import java.awt.FontFormatException;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;/*** @author 克里斯·加德纳* @ClassName CyFont* @date 2020/12/22/022 14:47*/
public class CyFont {private Font definedFont = null;public Font getDefinedFont(int ft,float fs) {String fontUrl="";InputStream inputStream =null;switch (ft) {case 1:inputStream = CyFont.class.getClassLoader().getResourceAsStream("msyh.ttf");//微软雅黑 读取resource下的字体文件break;case 2:inputStream = CyFont.class.getClassLoader().getResourceAsStream("simsun.ttf");//宋体break;}if (definedFont == null) {InputStream is = null;BufferedInputStream bis = null;try {is =inputStream;bis = new BufferedInputStream(is);definedFont = Font.createFont(Font.TRUETYPE_FONT, is);//设置字体大小，float型definedFont = definedFont.deriveFont(fs);} catch (FontFormatException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} finally {try {if (null != bis) {bis.close();}if (null != is) {is.close();}} catch (IOException e) {e.printStackTrace();}}}return definedFont;}public static void main(String[] args) {// TODO Auto-generated method stubCyFont cf=new CyFont();cf.getDefinedFont(1, 50);}}

下面是生成证书图片的代码

package com.yszs.saxt.service.utils;import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.font.FontRenderContext;
import java.awt.geom.AffineTransform;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;import javax.imageio.ImageIO;public class PictureSynthesisUtils {private Graphics2D graphics2 = null;private static final int width = 414;private static final int height = 583;/*** 导入本地图片到缓冲区*/public BufferedImage loadImageLocal(String imgName) {try {return ImageIO.read(new File(imgName));} catch (IOException e) {System.out.println(e.getMessage());}return null;}/*** * @param qrcode     二维码图�?* @param background 模板背景�?* @param title      标题* @param content    信息* @param color      字体颜色* @return*/public BufferedImage modifyImagetogeter(BufferedImage qrcode, BufferedImage background, String title,String content, Color color) {try {int qrcodeWidth = qrcode.getWidth();int qrcodeHeight = qrcode.getHeight();graphics2 = background.createGraphics();graphics2.drawImage(qrcode, 106, 192, qrcodeWidth, qrcodeHeight, null);CyFont cyFont = new CyFont();Font font = cyFont.getDefinedFont(1, 18);BufferedImage bufferedImage = new BufferedImage(21, 24, BufferedImage.TYPE_INT_RGB);graphics2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);graphics2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));// 设置背影为白�?graphics2.setColor(Color.WHITE);graphics2.fillRect(1, 1, bufferedImage.getWidth(), bufferedImage.getHeight());graphics2.setFont(font);graphics2.setColor(Color.BLACK);// 字体颜色graphics2.setPaint(color);graphics2.drawString(title, count(title, 18), 83);// 图片上写文字//Font font2 = new Font("微软雅黑", Font.BOLD, 16);Font font2 = cyFont.getDefinedFont(1, 16);graphics2.setFont(font2);graphics2.drawString(content, count(content, 16), 171);// 图片上写文字graphics2.setColor(new Color(255, 255, 255, 0));// 透明graphics2.dispose();} catch (Exception e) {System.out.println(e.getMessage());}return background;}/*** 剧中计算* * @param msg* @return*/public int count(String msg, int fonsize) {char[] chararray = msg.toCharArray();int max = chararray.length * (fonsize);int x;if (max > width) {x = 0;return x;}x = (width / 2) - (max / 2);return x;}/*** 生成新图片到本地*/public void writeImageLocal(String newImage, BufferedImage img) {if (newImage != null && img != null) {try {File outputfile = new File(newImage);ImageIO.write(img, "png", outputfile);} catch (IOException e) {System.out.println(e.getMessage());}}}private int getFontSizeByFontNum1(int fontNum) {int fontSize = 20;if (fontNum > 85) {fontSize = 55;} else if (fontNum > 60) {fontSize = 45;} else if (fontNum > 40) {fontSize = 35;} else if (fontNum > 18) {fontSize = 25;} else {fontSize = 25;}return fontSize;}//  public BufferedImage generateCertificatePhoto(BufferedImage cirle, BufferedImage zhang, String title,
//          String content, String credentialCode, String certifying, String userLife) {/*** 生成证书* * @param cirle     二维码图�?* @param zhang 模板背景�?* @param title      标题* @param content    信息* @param title      字体颜色* @return*/public BufferedImage generateCertificatePhoto(BufferedImage cirle, BufferedImage zhang, String title,String content, String credentialCode, String certifying, String userName, String dateStr) {try {/** int cirleWidth = cirle.getWidth()*4; int cirleHeight = cirle.getHeight()*4;* if(cirleWidth>436) { cirleWidth=436; } if(cirleHeight>436) { cirleHeight=436;* }*/int zhangWidth = zhang.getWidth();int zhangHeight = zhang.getHeight();graphics2 = zhang.createGraphics();// graphics2.drawImage(cirle,// zhangWidth-cirleWidth-400,zhangHeight-cirleHeight-300, cirleWidth,// cirleHeight, null);graphics2.setPaint(Color.BLACK);// 字体大小int planNum = title.length();System.out.println(planNum);int fontSize_1 = getFontSizeByFontNum1(planNum);CyFont cyFont = new CyFont();Font font1 = cyFont.getDefinedFont(1, fontSize_1);//Font font1 = new Font("微软雅黑", Font.BOLD, fontSize_1);// 获取截断的字数// 左右两边的间距int beginwidth = 40;int beginHeight = zhangHeight / 4;// 每次截取长度int subNum = sublitContent(zhangWidth, fontSize_1, beginwidth);int m = title.toCharArray().length / subNum;// content=begin+content;// 开始截取字数int subBegin = 0;String b = "";graphics2.setFont(font1);for (int j = 0; j <= m; j++) {if (title.length() < subBegin) {break;} else if (title.length() > subBegin + subNum) {b = title.substring(subBegin, subBegin + subNum);} else {b = title.substring(subBegin);}subBegin = subBegin + subNum;graphics2.drawString(b, zhangWidth / 2 - b.toCharArray().length * fontSize_1 / 2, beginHeight);// 图片上写文字beginHeight = beginHeight + fontSize_1 + 10;}//CyFont cyFont = new CyFont();Font font2 = cyFont.getDefinedFont(1, fontSize_1-5);//Font font2 = new Font("微软雅黑", Font.BOLD, fontSize_1 - 5);// String begin=" 张贺然 于 2019 年 02 月 02 日";// 获取截断的字数int i = sublitContent(zhangWidth, fontSize_1 - 5, 30);int n = content.toCharArray().length / i;// content=begin+content;int begin1 = 0;String c = "";int chight = 200;graphics2.setFont(font2);int start = 0;// 截取的结束位置int beginPoint = 90;// 开始位置for (int j = 0; j <= n; j++) {if (content.length() < begin1) {break;}start = begin1 + i;if (j == 0) {//                  start = start - 2;} else {beginPoint = 50;}int end = getSubInt(content, begin1, start);if (content.length() > end) {c = content.substring(begin1, end - 4);if (j > 0) {c = content.substring(begin1, end - 2);}} else {c = content.substring(begin1);}if (j == 0) {begin1 = end - 4;} else {begin1 = end - 2;}graphics2.drawString(c, beginPoint, chight);// 图片上写文字chight = chight + 30;}// 设置用户姓名//Font font3 = new Font("微软雅黑", Font.BOLD, fontSize_1 - 5);//CyFont cyFont = new CyFont();Font font3 = cyFont.getDefinedFont(1, fontSize_1-5);credentialCode = userName;graphics2.setFont(font3);graphics2.setPaint(Color.BLACK);graphics2.drawString(credentialCode, zhangWidth / 2 - 30, zhangHeight / 3 + 15);// 设置日期//Font font4 = new Font("微软雅黑", Font.BOLD, fontSize_1);String createDate = "日期：" + dateStr;graphics2.setFont(font3);graphics2.setPaint(Color.BLACK);graphics2.drawString(createDate, zhangWidth - 300, zhangHeight - 100);// 画合格章startGraphics2D(graphics2, certifying, zhangWidth - 150, zhangHeight - 130);/** Font font4 = new Font("微软雅黑", Font.BOLD, 40); certifying="郑州市食品药品网络宣";* graphics2.setFont(font4); graphics2.drawString(certifying,* zhangWidth-600-center(certifying, 40), zhangHeight-600); Font font5 = new* Font("微软雅黑", Font.BOLD, 45); userLife="有效期： "+userLife;* graphics2.setFont(font5); graphics2.drawString(userLife,* zhangWidth-400-cirleWidth/2-300, zhangHeight-400);*/// graphics2.setColor(new Color(255, 255, 255,0));//透明graphics2.dispose();} catch (Exception e) {System.out.println(e.getMessage());}return zhang;}// 判断截取的字符串中数字和空格和字母的个数。以确定截取的位置private int getSubInt(String str, int beginSubInt, int endSubInt) {int i = 0;if (str.length() >= endSubInt) {char[] c = str.substring(beginSubInt, endSubInt).toCharArray();for (int d : c) {if ((d >= 65 && d <= 90) || (d >= 97 && d <= 122) || (d >= 48 && d <= 57) || d == 32) {i++;}}if (i < 2) {return endSubInt;} else {int a = i / 2 + endSubInt;int d = getSubInt(str, endSubInt, a);return d;}} else {return endSubInt;}}public static void startGraphics2D(Graphics2D g, String message, int zhangWidth, int zhangHight) {g.setColor(Color.RED);// 设置锯齿圆滑g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);// 绘制圆int radius = 80;// 周半径int CENTERX = zhangWidth;// 画图所出位置int CENTERY = zhangHight;// 画图所处位置Ellipse2D circle = new Ellipse2D.Float();circle.setFrameFromCenter(CENTERX, CENTERY, CENTERX + radius, CENTERY + radius);// circle.setGraphics2D g2d = (Graphics2D) g;g2d.setStroke(new BasicStroke(5));g2d.draw(circle);//new Font("宋体", Font.BOLD, 30)// 绘制中间的五角星CyFont cyFont = new CyFont();g.setFont(cyFont.getDefinedFont(2,30));g.drawString("合  格", CENTERX - 50, CENTERY + 60);// 设置字体属性int fontsize = 25;//"宋体", Font.BOLD, fontsize//Font f = new Font();Font f = cyFont.getDefinedFont(2, fontsize);// 根据输入字符串得到字符数组if (message.length() > 20) {message = message.substring(0, 20);}FontRenderContext context = g.getFontRenderContext();Rectangle2D bounds = f.getStringBounds(message, context);String[] messages = message.split("", 0);// 输入的字数int ilength = messages.length;// 字符宽度＝字符串长度/字符数double char_interval = (bounds.getWidth() / ilength);// 上坡度double ascent = -bounds.getY() + 5;int first = 0, second = 0;boolean odd = false;if (ilength % 2 == 1) {first = (ilength - 1) / 2;odd = true;} else {first = (ilength) / 2 - 1;second = (ilength) / 2;odd = false;}double radius2 = radius - ascent;double x0 = CENTERX;double y0 = CENTERY - radius + ascent;// 旋转角度double a = 2 * Math.asin(char_interval / (2 * radius2));if (odd) {// 单数g.setFont(f);g.drawString(messages[first], (float) (x0 - char_interval / 2), (float) y0);// 中心点的右边for (int i = first + 1; i < ilength; i++) {double aa = (i - first) * a;double ax = radius2 * Math.sin(aa);double ay = radius2 - radius2 * Math.cos(aa);AffineTransform transform = AffineTransform.getRotateInstance(aa);// ,x0 + ax, y0 + ay);Font f2 = f.deriveFont(transform);g.setFont(f2);g.drawString(messages[i], (float) (x0 + ax - char_interval / 2 * Math.cos(aa)),(float) (y0 + ay - char_interval / 2 * Math.sin(aa)));}// 中心点的左边for (int i = first - 1; i > -1; i--) {double aa = (first - i) * a;double ax = radius2 * Math.sin(aa);double ay = radius2 - radius2 * Math.cos(aa);AffineTransform transform = AffineTransform.getRotateInstance(-aa);// ,x0 + ax, y0 + ay);Font f2 = f.deriveFont(transform);g.setFont(f2);g.drawString(messages[i], (float) (x0 - ax - char_interval / 2 * Math.cos(aa)),(float) (y0 + ay + char_interval / 2 * Math.sin(aa)));}} else {// 中心点的右边for (int i = second; i < ilength; i++) {double aa = (i - second + 0.5) * a;double ax = radius2 * Math.sin(aa);double ay = radius2 - radius2 * Math.cos(aa);AffineTransform transform = AffineTransform.getRotateInstance(aa);// ,x0 + ax, y0 + ay);Font f2 = f.deriveFont(transform);g.setFont(f2);g.drawString(messages[i], (float) (x0 + ax - char_interval / 2 * Math.cos(aa)),(float) (y0 + ay - char_interval / 2 * Math.sin(aa)));}// 中心点的左边for (int i = first; i > -1; i--) {double aa = (first - i + 0.5) * a;double ax = radius2 * Math.sin(aa);double ay = radius2 - radius2 * Math.cos(aa);AffineTransform transform = AffineTransform.getRotateInstance(-aa);// ,x0 + ax, y0 + ay);Font f2 = f.deriveFont(transform);g.setFont(f2);g.drawString(messages[i], (float) (x0 - ax - char_interval / 2 * Math.cos(aa)),(float) (y0 + ay + char_interval / 2 * Math.sin(aa)));}}}/*** 生成成绩单* * @param beijing     二维码图�?* @param  �?* @param name      标题* @param* @param   socre   字体颜色* @return*/public BufferedImage generateChengJiDanPhoto(BufferedImage beijing, String name, String socre, String planName,String time, String signOrganizationName) {try {int zhangWidth = beijing.getWidth();int zhangHeight = beijing.getHeight();graphics2 = beijing.createGraphics();graphics2.setColor(Color.BLACK);// 字体大小planName = "您参与的由 " + signOrganizationName + " (部门或居委会)发起的" + planName + "培训学习计划，于" + time + "进行正式考试，成绩如下：";int planNum = planName.length();int fontSize_1 = getFontSizeByFontNum(planNum);CyFont cyFont = new CyFont();Font font1 = cyFont.getDefinedFont(1, 18);// 获取截断的字数// 左右两边的间距int beginwidth = zhangWidth / 2 - 300;int beginHeight = zhangHeight / 3 + 100;// 获取截断的字数
//          int i = sublitContent(zhangWidth, 60, 300);int i = sublitContent(zhangWidth, fontSize_1, zhangWidth / 10);int n = planName.toCharArray().length / i;// content=begin+content;int begin1 = 0;String c = "";int chight = zhangHeight / 2;graphics2.setFont(font1);int start = 0;// 截取的结束位置int beginPoint = 100;// 开始位置for (int j = 0; j <= n; j++) {if (planName.length() < begin1) {break;}start = begin1 + i;if (j == 0) {//                  start = start - 2;} else {beginPoint = 60;}int end = getSubInt(planName, begin1, start);if (planName.length() > end) {c = planName.substring(begin1, end);} else {c = planName.substring(begin1);}begin1 = end;graphics2.drawString(c, beginPoint, chight - 170);// 图片上写文字chight = chight + 50;}int fontSize_2 = fontSize_1;//Font font = new Font("微软雅黑", Font.BOLD, fontSize_2);Font font = cyFont.getDefinedFont(1, fontSize_2);graphics2.setFont(font);beginHeight = zhangHeight / 2;graphics2.drawString(name, zhangWidth / 2 - name.toCharArray().length * fontSize_2 / 2, 1000);beginHeight = beginHeight + fontSize_2 * 3;String a = "得分 : " + socre + "分";graphics2.drawString(a, zhangWidth / 2 - 80, zhangHeight / 2 + 80);//Font font5 = new Font("微软雅黑", Font.BOLD, fontSize_1);Font font5 = cyFont.getDefinedFont(1, fontSize_1);time = "考试日期：" + time;graphics2.setFont(font5);graphics2.drawString(time, zhangWidth - 450, zhangHeight - 210);graphics2.dispose();} catch (Exception e) {System.out.println(e.getMessage());}return beijing;}private int getFontSizeByFontNum(int fontNum) {int fontSize = 40;if (fontNum > 75) {fontSize = 40;} else if (fontNum > 59) {fontSize = 30;} else if (fontNum > 44) {fontSize = 20;} else if (fontNum > 35) {fontSize = 10;} else if (fontNum > 24) {fontSize = 15;} else {fontSize = 40;}return fontSize;}/*** 剧中计算* * @param msg* @return*/public int center(String msg, int fonsize) {char[] chararray = msg.toCharArray();int max = chararray.length * (fonsize);return max / 2;}/*** * @param width    北京宽度* @param fontsize 文字大小* @param offect   一边的间距* @return 一行显示的文字数目*/public int sublitContent(int width, int fontsize, int offect) {return (width - offect * 2) / fontsize;}}

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证书图片本地启动没事,Linux服务器启动中文乱码解决

在resuorces下放置你需要的中文字体

下面是读取字体的工具类

下面是生成证书图片的代码

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