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test.html
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test.html
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<!doctype html>
<html>
<head>
<meta charset="gb2312">
<title>jtmpl前端编译模板</title>
</head>
<body>
<script>
(function(jtmpl, win){
win.jtmpl = jtmpl();
}(function(){
var jtmpl = {};
jtmpl.cache = {};
jtmpl.LEFT_DELIMITER = jtmpl.LEFT_DELIMITER || "<%";
jtmpl.RIGHT_DELIMITER = jtmpl.RIGHT_DELIMITER || "%>";
var Ler = jtmpl.LEFT_DELIMITER, Rer = jtmpl.RIGHT_DELIMITER;
if(!String.prototype.trim){
String.prototype.trim = function(){
return this.replace(/^[\s\xa0]+|[\s\xa0]+$/g, '');
}
}
var _type = function(obj){
return /\[object\s+(\w+)/.exec(Object.prototype.toString.call(obj).toLowerCase())[1];
}
var isObject = function(o){
var rst = Object.prototype.toString.call(o);
return rst == '[object Function]' || rst == '[object Object]';
}
// 编译模板并传递数据
jtmpl.template = function(tmpl, data){
if (!tmpl){
return;
}
var str = jtmpl.load(tmpl), rst = jtmpl.compile((str||'').trim(), data);
return rst;
}
// html过滤
jtmpl.encodeHTML = function(str){
var htmlCode = {
"'" : "'",
"\"" : """,
"&" : "&",
">" : ">",
"<" : "<",
"\\" : "\",
"/" : "/"
}
return String(str == null ? "" : str).replace(/['"<>&\/\\]/g, function($0){
return htmlCode[$0]||"";
});
}
// 正则编码
jtmpl.encodeRegExp = function(str){
return String(str).replace(/([.*+?^=!:${}()|[\]/\\])/g,'\\$1');
}
// 清除换行
jtmpl.encodeBr = function(str){
return String(str == null ? "" : str).replace(/[\t\n\r\v]/g, "");
}
// 清除注释
jtmpl.clearAnnotation = function (str){
return String(str)
.replace(new RegExp(Ler + "??\\s*?//.*?\\s*?" + Rer,"g"), "")
.replace(new RegExp("<!--.*?-->", "g"),"")
.replace(new RegExp(Ler+"\\*.*?\\*"+Rer, "g"),"");
}
// 模板编译
jtmpl.compile = function(str, data){
var _rst_fn;
// 缓存掉编译结果，省略掉了模板再次加载编译过程
if (jtmpl.cache[str]){
_rst_fn = jtmpl.cache[str];
}else {
var fbody = "var _fbody_arr = [];"
+ "\nvar _fn = (function(_data_obj){"
+ "\nwith(_data_obj){\n_fbody_arr.push('"
+ _javascript(str)
+ "');\n}\n}(data));"
+ "\nfn=null;\nreturn _fbody_arr.join('');";
_rst_fn = new Function('data', fbody);
jtmpl.cache[str] = _rst_fn;
}
// 如果传入数据，返回编辑完的html,否则返回模板编译函数
return /\[object\s+(?:Function|Object)\]/g.test(Object.prototype.toString.call(data)) ? _rst_fn(data) : _rst_fn;
}
// 处理子模板
jtmpl.include = function(str){
return String(str == null ? "" : str)
.replace(new RegExp(Ler + '\\s*?p(?:art)?\\s*?\\:\\s*?([\\w-]+)\\s*?' + Rer,'g'), function(str, id){
return jtmpl.load('#' + id);
});
}
// 组装
jtmpl.group = function(str){
return String(str == null ? "" : str)
.replace(new RegExp(Ler + '\\s*?g(?:roup)?\\s*?\\:\\s*?([\\w-,\\s]+)\\s*?' + Rer,'g'), function(str, groups){
var groups = groups.split(','), shtml='';
console.log(groups)
for (var i=0, len=groups.length; i<len; i++){
shtml += jtmpl.load('#' + groups[i].trim())
}
console.log(shtml)
return shtml;
});
}
// 加载模板格式
jtmpl.load = function(str, callback){
var refer, elem, html, cache = jtmpl.cache;
if (refer = (/f(?:ile)?\:([A-Za-z0-9\u4E00-\u9FA5/?&.:=""]+)/.exec(str)||[])[1]){
// 外部模板需要加载，异步执行回调
callback(refer);
}else if (refer = (/#([\w-$]+)/.exec(str)||[])[1]){
elem = document.getElementById(refer);
html = jtmpl.include(elem && elem.tagName && /input|textarea/ig.test(elem.tagName)
? elem.value : elem.innerHTML);
return html;
}else {
return jtmpl.group(str);
}
}
/**
* 直接渲染到容器
* @ str 模板id
* @ el目标容器
* @ data数据
* @ 其实处理方式，例如jq可以用回调处理
**/
jtmpl.render = function(tmpl, el, data, callback){
if (!tmpl || typeof(tmpl) != 'string' || !el || !data || !isObject(data)){
return;
}
var elem = typeof(el) == 'string' ? document.getElementById(el) : el;
// 如果是dom元素直接innerHTML,否则交给回调适情况处理
if (elem && elem.nodeName){
elem.innerHTML = jtmpl.compile(tmpl, data);
}else if (!!callback){
callback(elem, jtmpl.compile(tmpl, data));
}
}
var _javascript = function(str){
// 清除注释和换行
str = jtmpl.encodeBr(jtmpl.clearAnnotation(str));
str = str.replace(new RegExp("("+Ler+"\\s*?[html]*?\:??\\s*?\=\\s*?[^;|"+Rer+"]+?\\s*?)" + Rer, 'g'), "$1\;" + Rer)
.replace(new RegExp(Ler + '\\s*?h(?:tml)??\:\\s*?\=\\s*?([^;|'+Rer+']+?);?\\s*?' + Rer, 'g'), "',typeof($1) === 'undefined' ? '' : jtmpl.encodeHTML($1),'")
.replace(new RegExp(Ler + '\\s*?\=\\s*?([^;|'+Rer+']+?);\\s*?' + Rer, 'g'), "',typeof($1) === 'undefined' ? '' : $1,'");
return str.split(Ler).join("');").split(Rer).join("_fbody_arr.push('");
};
jtmpl._javascript = _javascript;
return jtmpl;
}, window));
</script>
<script id="friends" type="text/jtmpl">
<dl>
<%for (var f=0,flen=friends.length; f<flen; f++){%>
<dt><%=friends[f].name%></dt>
<dd><%=friends[f].age%></dd>
<%}%>
</dl>
</script>
<script id="header" type="text/jtmpl">
<hgroup>
<p>"dddd"</p>
<% for (var j=0,jlen=headers.length; j<jlen; j++) {%>
<h2><% h:=headers[j]%></h2>
<%}%>
</hgrop>
</script>
<script id="footer" type="text/jtmpl">
<!--dafafa fdr -->
<%*dfafafafdr%&$*%>
<footer><%=info;%></footer>
</script>
<script id="test" type="text/jtmpl">
<%part:header%>
<%
// fafafrrr
%>
<% // fafafa%%>
<ul>
<%for (var i=0, len = data.length; i<len; i++){%>
<li><%=data[i]%></li>
<%}%>
</ul>
<%p:footer%>
</script>
<script id="a" type="text/jtmpl">
<p><%=name%></p>
</script>
<script id="b" type="text/jtmpl">
<p><%=age%></p>
</script>
<script id="c" type="text/jtmpl">
<p><%=work%></p>
</script>
<script>
var html = jtmpl.template('#test', {
headers : ["标题一", "标题二"],
data : ["内容一", "内容二"],
info : "模板测试"
});
/*console.log(tmpl_fn({
headers : ["<i>标题一</i>", "标题2"],
data : ["内容一", "内容二"],
info : "模板测试"
}))*/
console.log(html)
document.body.innerHTML += html;
var fhtml = jtmpl.template('#friends', {
friends : [{name:'tom', age : 28}, {name : 'lucy', age : 29}]
});
console.log(jtmpl.template('<%html:=name%>', {name : '<i>lucy</i>'}));
console.log(jtmpl.template('<%group:a, b, c%>', {name : 'mongo', age : 26, work : 'famer'}));
</script>
</body>
</html>