新建

public/assets/libs/art-template/node/_node.js

@@ -0,0 +1,90 @@
+var fs = require('fs');
+var path = require('path');
+
+module.exports = function (template) {
+
+	var cacheStore = template.cache;
+	var defaults = template.defaults;
+	var rExtname;
+
+	// 提供新的配置字段
+	defaults.base = '';
+	defaults.extname = '.html';
+	defaults.encoding = 'utf-8';
+
+	function compileFromFS(filename) {
+		// 加载模板并编译
+		var source = readTemplate(filename);
+
+		if (typeof source === 'string') {
+			return template.compile(source, {
+				filename: filename
+			});
+		}
+	}
+
+	// 重写引擎编译结果获取方法
+	template.get = function (filename) {
+		
+	    var fn;
+
+
+	    if (cacheStore.hasOwnProperty(filename)) {
+	        // 使用内存缓存
+	        fn = cacheStore[filename];
+	    } else {
+			fn = compileFromFS(filename);
+	    }
+
+	    return fn;
+	};
+
+	
+	function readTemplate (id) {
+	    id = path.join(defaults.base, id + defaults.extname);
+	    
+	    if (id.indexOf(defaults.base) !== 0) {
+	        // 安全限制：禁止超出模板目录之外调用文件
+	        throw new Error('"' + id + '" is not in the template directory');
+	    } else {
+	        try {
+	            return fs.readFileSync(id, defaults.encoding);
+	        } catch (e) {}
+	    }
+	}
+
+
+	// 重写模板`include``语句实现方法，转换模板为绝对路径
+	template.utils.$include = function (filename, data, from) {
+	    
+	    from = path.dirname(from);
+	    filename = path.join(from, filename);
+	    
+	    return template.renderFile(filename, data);
+	}
+
+
+	// express support
+	template.__express = function (file, options, fn) {
+
+	    if (typeof options === 'function') {
+	        fn = options;
+	        options = {};
+	    }
+
+
+		if (!rExtname) {
+			// 去掉 express 传入的路径
+			rExtname = new RegExp((defaults.extname + '$').replace(/\./g, '\\.'));
+		}
+
+
+	    file = file.replace(rExtname, '');
+
+	    options.filename = file;
+	    fn(null, template.renderFile(file, options));
+	};
+
+
+	return template;
+}