FreeMarker模板

src/main/resources/modules/SpringBoot/java/frame/mail/WMailSender.java

@@ -1,11 +1,11 @@
-package com.example.frame.mail;
+package ${domain}.frame.mail;
 
-import com.example.frame.auth.LocalData;
-import com.example.frame.mail.message.WFileMessage;
-import com.example.frame.mail.message.WHtmlMessage;
-import com.example.frame.mail.message.WInlineMessage;
-import com.example.frame.mail.message.WMessage;
-import com.example.frame.mail.message.WTextMessage;
+import ${domain}.frame.auth.LocalData;
+import ${domain}.frame.mail.message.WFileMessage;
+import ${domain}.frame.mail.message.WHtmlMessage;
+import ${domain}.frame.mail.message.WInlineMessage;
+import ${domain}.frame.mail.message.WMessage;
+import ${domain}.frame.mail.message.WTextMessage;
 import org.springframework.core.io.FileSystemResource;
 import org.springframework.mail.javamail.JavaMailSender;
 import org.springframework.mail.javamail.JavaMailSenderImpl;

src/main/resources/modules/SpringBoot/java/frame/mail/message/WFileMessage.java

@@ -1,4 +1,4 @@
-package com.example.frame.mail.message;
+package ${domain}.frame.mail.message;
 
 import java.io.File;
 import java.util.ArrayList;

src/main/resources/modules/SpringBoot/java/frame/mail/message/WHtmlMessage.java

@@ -1,4 +1,4 @@
-package com.example.frame.mail.message;
+package ${domain}.frame.mail.message;
 
 /**
  * 发送Html邮件

src/main/resources/modules/SpringBoot/java/frame/mail/message/WInlineMessage.java

@@ -1,4 +1,4 @@
-package com.example.frame.mail.message;
+package ${domain}.frame.mail.message;
 
 import java.io.File;
 import java.util.HashMap;

src/main/resources/modules/SpringBoot/java/frame/mail/message/WMessage.java

@@ -1,4 +1,4 @@
-package com.example.frame.mail.message;
+package ${domain}.frame.mail.message;
 
 /**
  * 抽象的邮件发送对象

src/main/resources/modules/SpringBoot/java/frame/mail/message/WTextMessage.java

@@ -1,4 +1,4 @@
-package com.example.frame.mail.message;
+package ${domain}.frame.mail.message;
 
 /**
  * 发送简单文本邮件

src/main/resources/modules/SpringBoot/java/frame/utils/FreeMarkerUtil.java

@@ -1,6 +1,6 @@
-package com.example.frame.utils;
+package ${domain}.frame.utils;
 
-import com.example.frame.auth.LocalData;
+import ${domain}.frame.auth.LocalData;
 import freemarker.template.Configuration;
 import freemarker.template.Template;
 import freemarker.template.TemplateException;
@@ -13,34 +13,51 @@ import java.io.OutputStreamWriter;
 import java.io.Writer;
 
 public class FreeMarkerUtil {
+
+    /**
+     * 获取自动装配的Configuration，配置涉及视图层，谨慎修改！！！
+     *
+     * @return 配置
+     */
     public static Configuration getDefaultConfiguration() {
         return LocalData.getBean(Configuration.class);
     }
 
+    /**
+     * 获取自动装配配置工厂，一般用于创建独立Configuration，且复用配置
+     * 支持修改默认配置，并且不会影响视图层
+     *
+     * @return 配置工厂
+     */
     public static FreeMarkerConfigurer getDefaultConfigurer() {
         return LocalData.getBean(FreeMarkerConfigurer.class);
     }
 
-    public static FreeMarkerConfigurer getNewConfigurer(String basePackagePath) {
-        FreeMarkerConfigurer freeMarkerConfigurer = new FreeMarkerConfigurer();
-        // 初始化一些配置
-        Configuration cfg = new Configuration(Configuration.VERSION_2_3_28);
-        cfg.setClassForTemplateLoading(FreeMarkerUtil.class, basePackagePath);
-        freeMarkerConfigurer.setConfiguration(cfg);
-        return freeMarkerConfigurer;
-    }
-
-    public static Configuration getNewConfiguration() {
-        return getNewConfiguration("/");
-    }
-
+    /**
+     * 获取复用系统配置的新配置对象
+     *
+     * @param basePackagePath 模板路径
+     * @return 配置
+     */
     public static Configuration getNewConfiguration(String basePackagePath) {
-        FreeMarkerConfigurer newConfigurer = getNewConfigurer(basePackagePath);
-        return getNewConfiguration(newConfigurer);
+        Configuration newConfiguration = getNewConfiguration();
+        newConfiguration.setClassForTemplateLoading(FreeMarkerUtil.class, basePackagePath);
+        return newConfiguration;
     }
 
-    public static Configuration getNewConfiguration(FreeMarkerConfigurer configurer) {
-        return configurer.getConfiguration();
+    /**
+     * 获取复用系统配置的新配置对象
+     *
+     * @return 配置
+     */
+    public static Configuration getNewConfiguration() {
+        Configuration configuration;
+        try {
+            configuration = getDefaultConfigurer().createConfiguration();
+        } catch (IOException | TemplateException e) {
+            configuration = new Configuration(Configuration.VERSION_2_3_28);
+        }
+        return configuration;
     }
 
     /**
@@ -50,7 +67,7 @@ public class FreeMarkerUtil {
      * @param outputStream 输出流
      * @param model        数据模型
      */
-    public static void render(Template template, OutputStream outputStream, Object model) {
+    public static boolean render(Template template, OutputStream outputStream, Object model) {
         try {
             // 创建字符流
             Writer wr = new OutputStreamWriter(outputStream, "UTF-8");
@@ -58,15 +75,13 @@ public class FreeMarkerUtil {
             template.process(model, wr);
             // 关闭流
             wr.close();
+            return true;
         } catch (IOException | TemplateException e) {
             e.printStackTrace();
+            return false;
         }
     }
 
-    public static void renderByResources(String resources, OutputStream outputStream, Object model) {
-        renderByResources(resources, true, outputStream, model);
-    }
-
     /**
      * 通过模板资源渲染
      *
@@ -74,14 +89,28 @@ public class FreeMarkerUtil {
      * @param outputStream 输出流
      * @param model        数据模型
      */
-    public static void renderByResources(String resources, boolean defaultConfigurer, OutputStream outputStream, Object model) {
-        Configuration newConfiguration = defaultConfigurer ? getDefaultConfiguration() : getNewConfiguration();
+    public static boolean renderByResources(String resources, OutputStream outputStream, Object model) {
+        return renderByResources(resources, true, outputStream, model);
+    }
+
+    /**
+     * 通过模板资源渲染
+     *
+     * @param resources            模板资源
+     * @param defaultConfiguration 是否使用默认配置，与视图模板同目录同配置
+     * @param outputStream         输出流
+     * @param model                数据模型
+     */
+    public static boolean renderByResources(String resources, boolean defaultConfiguration, OutputStream outputStream, Object model) {
+        Configuration newConfiguration = defaultConfiguration ? getDefaultConfiguration() : getNewConfiguration();
         try {
             // 构建模板
             Template template = newConfiguration.getTemplate(resources);
-            render(template, outputStream, model);
+            // 渲染模板
+            return render(template, outputStream, model);
         } catch (IOException e) {
             e.printStackTrace();
+            return false;
         }
     }
 
@@ -92,13 +121,15 @@ public class FreeMarkerUtil {
      * @param outputStream 输出流
      * @param model        数据模型
      */
-    public static void renderByFile(File file, OutputStream outputStream, Object model) {
+    public static boolean renderByFile(File file, OutputStream outputStream, Object model) {
         try {
             // 构建模板
             Template template = new Template(file.getName(), FileUtil.readFileToString(file), getDefaultConfiguration());
-            render(template, outputStream, model);
+            // 渲染模板
+            return render(template, outputStream, model);
         } catch (IOException e) {
             e.printStackTrace();
+            return false;
         }
     }
 
@@ -109,13 +140,15 @@ public class FreeMarkerUtil {
      * @param outputStream 输出流
      * @param model        数据模型
      */
-    public static void renderByString(String source, OutputStream outputStream, Object model) {
+    public static boolean renderByString(String source, OutputStream outputStream, Object model) {
         try {
-            // 获取模板
+            // 构建模板
             Template template = new Template(MD5Util.encode(source), source, getDefaultConfiguration());
-            render(template, outputStream, model);
+            // 渲染模板
+            return render(template, outputStream, model);
         } catch (IOException e) {
             e.printStackTrace();
+            return false;
         }
     }
 }