geminiwen/simple-template-engine.js

## simple-template-engine.js
var fs = require("fs");
var fd = fs.openSync("template.html","r");
fs.readFile("template.html", {encoding:"utf-8"},function(err,data){
    if(err) {
        console.err("error in open file with:" + err);
        return;
    }
    data = data.replace(/\n/g, '\\n')
               .replace(/<%=([\s\S]+?)%>/,function(match,code){
                    return "' + " + code + " + '";
               });

    var tpl = "tpl ='" + data +"'";
    tpl = 'var tpl="";\nwith(obj){ ' + tpl + ' }\nreturn tpl;';
    var compile = new Function('obj',tpl);

    console.log(compile({name:"GeminiWen"}));
});

/***
 *
 * output:
 *<!DOCType html>
 *<html>
 *   <head>
 *      <meta charset="utf-8" />
 *       <title>我是来测试的</title>
 *    </head>
 *   <body>
 *        Hello GeminiWen
 *    </body>
 *</html>
 *
 ***/
	var fs = require("fs");
	var fd = fs.openSync("template.html","r");
	fs.readFile("template.html", {encoding:"utf-8"},function(err,data){
	if(err) {
	console.err("error in open file with:" + err);
	return;
	}
	data = data.replace(/\n/g, '\\n')
	.replace(/<%=([\s\S]+?)%>/,function(match,code){
	return "' + " + code + " + '";
	});

	var tpl = "tpl ='" + data +"'";
	tpl = 'var tpl="";\nwith(obj){ ' + tpl + ' }\nreturn tpl;';
	var compile = new Function('obj',tpl);

	console.log(compile({name:"GeminiWen"}));
	});

	/***
	*
	* output:
	*<!DOCType html>
	*<html>
	* <head>
	* <meta charset="utf-8" />
	* <title>我是来测试的</title>
	* </head>
	* <body>
	* Hello GeminiWen
	* </body>
	*</html>
	*
	***/