Enjoy 3.2 release ^_^

src/main/java/com/jfinal/template/Template.java

@@ -0,0 +1,92 @@
+/**
+ * Copyright (c) 2011-2017, James Zhan 詹波 (jfinal@126.com).
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.jfinal.template;
+
+import java.io.Writer;
+import java.util.Map;
+import com.jfinal.template.stat.Scope;
+import com.jfinal.template.stat.ast.Stat;
+
+/**
+ * Template
+ * 
+ * 用法：
+ * Template template = Engine.use().getTemplate(...);
+ * template.render(data, writer);
+ * template.renderToString(data);
+ */
+public class Template {
+	
+	private Env env;
+	private Stat ast;
+	
+	public Template(Env env, Stat ast) {
+		if (env == null || ast == null) {
+			throw new IllegalArgumentException("env and ast can not be null");
+		}
+		this.env = env;
+		this.ast = ast;
+	}
+	
+	/**
+	 * 渲染到 Writer 中去
+	 */
+	public void render(Map<?, ?> data, Writer writer) {
+		ast.exec(env, new Scope(data, env.engineConfig.sharedObjectMap), writer);
+	}
+	
+	/**
+	 * 支持无 data 参数，渲染到 Writer 中去 <br>
+	 * 适用于数据在模板中通过表达式和语句直接计算得出等等应用场景<br>
+	 * 此外，其它所有 render 方法也支持传入 null 值 data 参数
+	 */
+	public void render(Writer writer) {
+		ast.exec(env, new Scope(null, env.engineConfig.sharedObjectMap), writer);
+	}
+	
+	/**
+	 * 渲染到 FastStringWriter 中去
+	 */
+	public void render(Map<?, ?> data, FastStringWriter fastStringWriter) {
+		ast.exec(env, new Scope(data, env.engineConfig.sharedObjectMap), fastStringWriter);
+	}
+	
+	/**
+	 * 渲染到 StringBuilder 中去
+	 */
+	public StringBuilder renderToStringBuilder(Map<?, ?> data) {
+		FastStringWriter fsw = new FastStringWriter();
+		render(data, fsw);
+		return fsw.getBuffer();
+	}
+	
+	/**
+	 * 渲染到 String 中去
+	 */
+	public String renderToString(Map<?, ?> data) {
+		return renderToStringBuilder(data).toString();
+	}
+	
+	public boolean isModified() {
+		return env.isSourceListModified();
+	}
+}
+
+
+
+
+