enjoy 4.3 release ^_^

src/main/java/com/jfinal/template/expr/ast/FieldKit.java

@@ -140,6 +140,36 @@ public class FieldKit {
 	public static void clearCache() {
 		fieldGetterCache.clear();
 	}
+	
+	/**
+	 * 设置极速模式
+	 * 
+	 * 极速模式将生成代理对象来消除 java.lang.reflect.Method.invoke(...) 调用，
+	 * 性能提升 12.9%
+	 */
+	public static synchronized void setFastMode(boolean fastMode) {
+		if (fastMode) {
+			if ( !contains(FastFieldGetter.class) ) {
+				addFieldGetterToFirst(new FastFieldGetter());
+			}
+		} else {
+			if (contains(FastFieldGetter.class)) {
+				removeFieldGetter(FastFieldGetter.class);
+			}
+		}
+	}
+	
+	/**
+	 * 判断是否包含某个 FieldGetter
+	 */
+	public static boolean contains(Class<? extends FieldGetter> fieldGetterClass) {
+		for (FieldGetter fg : getters) {
+			if (fg.getClass() == fieldGetterClass) {
+				return true;
+			}
+		}
+		return false;
+	}
 }