新增 邮件发送验证码模板

src/main/java/com/guaiguailang/harmony/utils/UtilEmailSent.java

@@ -16,10 +16,10 @@ import org.springframework.stereotype.Component;
 public class UtilEmailSent {
   @Autowired
   MailConfig mailConfig;
-    public void sendEmail(String to, String subject, String content){
+    public int sendEmail(String to, String subject, String content){
-        sendEmail(to,subject,content, mailConfig.getNickname());
+        return sendEmail(to,subject,content, mailConfig.getNickname());
     }
-    public void sendEmail(String to, String subject, String content,String nickname) {
+    public int sendEmail(String to, String subject, String content,String nickname) {
       JavaMailSender mailSender = mailConfig.getJavaMailSender();
       MimeMessage mimeMessage = mailSender.createMimeMessage();
       String from = mailConfig.getUsername();
@@ -36,6 +36,27 @@ public class UtilEmailSent {
           mailSender.send(mimeMessage);
       }catch (Exception e){
           log.error("（配置邮件失败）{}",e.getMessage());
+          return -1;
       }
+      return 1;
   }
+
+  public int sendCode(String to){
+      String code = VerificationCodeGenerator.generateFourDigitCode();
+
+      String title="【"+mailConfig.getNickname()+"】验证码 "+code;
+      String context="<div style=\"margin:10px auto;padding:2em;width:90%;min-height:480px;background-color:rgba(43,174,133,0.9);color:rgba(255,255,255,1);border-radius:5px;box-shadow:1px 0 10px 1px rgba(0,0,0,0.5)\">\n" +
+              "<h3>尊敬的用户：</h3>\n" +
+              "<p style=\"text-indent:2em;\">\n" +
+              "您正在乖乖狼科技旗下软件产品进行操作，您的验证码为\n" +
+              "<font color=\"yellow\" size=\"+2\">"+code+"</font>\n" +
+              ",有效期为十分钟，请及时填写验证码。\n" +
+              "</p>\n" +
+              "<p style=\"text-indent:2em;\">如果这不是您本人操作，请忽略此邮件</p>\n" +
+              "<p style=\"float:right\">乖乖狼科技&nbsp;&nbsp;&nbsp;&nbsp;</p>\n" +
+              "</div>";
+
+      return sendEmail(to,title,context);
+  }
+
 }

src/main/java/com/guaiguailang/harmony/utils/VerificationCodeGenerator.java

@@ -0,0 +1,27 @@
+package com.guaiguailang.harmony.utils;
+
+import java.util.Random;
+
+public class VerificationCodeGenerator {
+
+    public static void main(String[] args) {
+        String verificationCode = generateFourDigitCode();
+        System.out.println("Generated Verification Code: " + verificationCode);
+    }
+
+    /**
+     * 生成一个四位数的验证码  
+     * @return 四位数的验证码字符串
+     */
+    public static String generateFourDigitCode() {
+        Random random = new Random();
+        StringBuilder code = new StringBuilder(4);
+
+        for (int i = 0; i < 4; i++) {
+            int digit = random.nextInt(10); // 生成一个0到9之间的随机整数  
+            code.append(digit);
+        }
+
+        return code.toString();
+    }
+}

src/test/java/com/guaiguailang/harmony/HarmonyLifeServerApplicationTests.java

@@ -1,7 +1,4 @@
 package com.guaiguailang.harmony;
-
-import com.guaiguailang.harmony.config.MailConfig;
-import com.guaiguailang.harmony.service.EmailService;
 import com.guaiguailang.harmony.utils.UtilEmailSent;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -11,8 +8,8 @@ class HarmonyLifeServerApplicationTests {
 	@Autowired
 	UtilEmailSent utilEmailSent;
 	@Test
-	void contextLoads() {
+	void testEmailSentUtil() {
-		utilEmailSent.sendEmail("2952458479@qq.com","测试邮件标题","测试邮件内容");
+		utilEmailSent.sendCode("2952458479@qq.com");
 	}
 
 }