From 38b3bbee1f3d63fbfb57410953835339d3a73f26 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BB=84=E6=B5=B7?= <10402852@qq.com>
Date: Fri, 21 Apr 2023 12:41:54 +0800
Subject: [PATCH] 'commit'

---
 .../dsideal/FengHuang/Util/Base64Util.java    | 56 +++++++++++++++++++
 .../FengHuang/Yp/Controller/YpController.java | 20 +++++--
 2 files changed, 70 insertions(+), 6 deletions(-)
 create mode 100644 src/main/java/com/dsideal/FengHuang/Util/Base64Util.java

diff --git a/src/main/java/com/dsideal/FengHuang/Util/Base64Util.java b/src/main/java/com/dsideal/FengHuang/Util/Base64Util.java
new file mode 100644
index 0000000..1f0eced
--- /dev/null
+++ b/src/main/java/com/dsideal/FengHuang/Util/Base64Util.java
@@ -0,0 +1,56 @@
+package com.dsideal.FengHuang.Util;
+
+import org.apache.commons.codec.binary.Base64;
+import sun.misc.BASE64Encoder;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+public class Base64Util {
+    public static String imageToBase64(BufferedImage bufferedImage) {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();//io流
+        try {
+            ImageIO.write(bufferedImage, "jpg", baos);//写入流中
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        byte[] bytes = baos.toByteArray();//转换成字节
+        BASE64Encoder encoder = new BASE64Encoder();
+        String png_base64 = encoder.encodeBuffer(bytes).trim();//转换成base64串
+        png_base64 = png_base64.replaceAll("\n", "").replaceAll("\r", "");//删除 \r\n
+        return "data:image/jpg;base64," + png_base64;
+    }
+    /**
+     * 文件File类型转BASE64
+     *
+     * @param file
+     * @return
+     */
+    public static String fileToBase64(File file) {
+        return "data:image/png;base64," + Base64.encodeBase64String(fileToByte(file));
+    }
+
+    /**
+     * 文件File类型转byte[]
+     *
+     * @param file
+     * @return
+     */
+    private static byte[] fileToByte(File file) {
+        byte[] fileBytes = null;
+        FileInputStream fis = null;
+        try {
+            fis = new FileInputStream(file);
+            fileBytes = new byte[(int) file.length()];
+            fis.read(fileBytes);
+            fis.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return fileBytes;
+    }
+}
diff --git a/src/main/java/com/dsideal/FengHuang/Yp/Controller/YpController.java b/src/main/java/com/dsideal/FengHuang/Yp/Controller/YpController.java
index 9890703..a210613 100644
--- a/src/main/java/com/dsideal/FengHuang/Yp/Controller/YpController.java
+++ b/src/main/java/com/dsideal/FengHuang/Yp/Controller/YpController.java
@@ -3,10 +3,7 @@ package com.dsideal.FengHuang.Yp.Controller;
 import com.alibaba.fastjson.JSONObject;
 import com.dsideal.FengHuang.ExcelImportTemplate.StudentImportExcelUtil;
 import com.dsideal.FengHuang.Interceptor.*;
-import com.dsideal.FengHuang.Util.CommonUtil;
-import com.dsideal.FengHuang.Util.ExcelExportUtil;
-import com.dsideal.FengHuang.Util.FileUtil;
-import com.dsideal.FengHuang.Util.IpUtil;
+import com.dsideal.FengHuang.Util.*;
 import com.dsideal.FengHuang.Yp.Model.YpModel;
 import com.jfinal.aop.Before;
 import com.jfinal.core.Controller;
@@ -20,8 +17,15 @@ import com.jfinal.kit.StrKit;
 import com.jfinal.plugin.activerecord.Page;
 import com.jfinal.plugin.activerecord.Record;
 import com.jfinal.upload.UploadFile;
+import org.apache.commons.codec.binary.Base64;
+import sun.misc.BASE64Encoder;
 
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
 import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -225,11 +229,15 @@ public class YpController extends Controller {
         if (!file.exists()) {
             file.mkdirs();// 创建文件夹
         }
-        picFile.getFile().renameTo(new File(PathKit.getWebRootPath() + "/upload/" + sfzh + ".jpg"));
-
+        String finalPic = PathKit.getWebRootPath() + "/upload/" + sfzh + ".jpg";
+        picFile.getFile().renameTo(new File(finalPic));
+        //输出base64编码的jpg文件
+        String base64 = Base64Util.fileToBase64(new File(finalPic));
         Kv kv = Kv.by("success", true);
         kv.set("message", "上传成功！");
+        kv.set("base64", base64);
         renderJson(kv);
         //path : /FengHuang/upload/sfzh+".jpg"
     }
+
 }
\ No newline at end of file