!93 生成静态 html功能的StaticHtmlRender代码补齐

Merge pull request !93 from 杜福忠/master

src/main/java/com/jfinal/ext/render/StaticHtmlRender.java

@@ -16,15 +16,66 @@
 
 package com.jfinal.ext.render;
 
-import com.jfinal.render.Render;
+import com.jfinal.render.RenderException;
+import com.jfinal.render.TemplateRender;
+import com.jfinal.template.Template;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
 
 /**
  * 生成静态 html
  */
-public class StaticHtmlRender extends Render {
-	
+public class StaticHtmlRender extends TemplateRender {
+	protected File file;
+
+	/**
+	 * @param view 模板路径
+	 * @param file 生成的静态html文件路径
+	 */
+	public StaticHtmlRender(String view, File file) {
+		super(view);
+		this.file = file;
+	}
+
+	@Override
 	public void render() {
-		throw new RuntimeException("Not finish!!!");
+		response.setContentType(getContentType());
+
+		Map<Object, Object> data = new HashMap<>();
+		for (Enumeration<String> attrs = request.getAttributeNames(); attrs.hasMoreElements();) {
+			String attrName = attrs.nextElement();
+			data.put(attrName, request.getAttribute(attrName));
+		}
+
+		try {
+			Template template = engine.getTemplate(view);
+
+			OutputStream os = response.getOutputStream();
+			template.render(data, os);
+			os.flush();
+
+			File parentFile = file.getParentFile();
+			if (! parentFile.exists()) parentFile.mkdirs();
+			template.render(data, file);
+
+		} catch (RuntimeException e) {	// 捕获 ByteWriter.close() 抛出的 RuntimeException
+			Throwable cause = e.getCause();
+			if (cause instanceof IOException) {	// ClientAbortException、EofException 直接或间接继承自 IOException
+				String name = cause.getClass().getSimpleName();
+				if ("ClientAbortException".equals(name) || "EofException".equals(name)) {
+					return ;
+				}
+			}
+
+			throw e;
+		} catch (IOException e) {
+			throw new RenderException(e);
+		}
 	}
 }