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smartymonkey

v1.0.0

Published

compile smarty template with js

Downloads

6

Readme

smartyMonkey

用js解析smarty语法的模板,达到服务端smarty与客户端共享同一套模板的目的 analysis smarty's grammar with js, then you can use smarty both on server and client 非常感谢DOT引擎,其实smartyMonkey的思路和很多写法都借鉴了DOT。 当前版本1.0

如何使用(how to use):

在服务端(node环境下)我们可以直接引用smartyMonkey模块,require('src/smartyMonkey'); 该模块的导出,是一个create方法,可以创建smartyMonkey的实例 如: var smartyMonkey = require('smartyMonkey'); var sm = smartyMonkey.create(); var tpl_fn = sm.compile(data); var out = tpl_fn('monkey'); 在客户端(浏览器环境下),smartyMonkey会暴露一个smartyMonkey对象到执行js的上下文中,一般是window,这个对象同样有一个create方法: <script src="./smartyMonkey.js"></script> <script> var smartyMonkey = window.smartyMonkey var sm = smartyMonkey.create(); var tpl_fn = sm.compile(data); var out = tpl_fn('monkey'); </script> 小贴士(Tips):  在实际使用过程中,如果是在客户端编译的话,那么我们肯定要把模板的源代码传到客户端,但是我们写的模板代码,会在服务端被smarty解析掉,所以,为了把模板源代码传送到客户端,我们可以使用smarty的literal标签,防止自己的smarty模板在服务端被解析掉。

目前支持的smarty语法(current support grammer):

###① 输出(print)

  1. 首先,我们要写一个模板(hello.tpl): hello {%*test*%}{%$it%}

  2. 然后,我们调用smatyMonkey对模板进行编译,及使用: var smartyMonkey = require('../../src/smartyMonkey'); var fs = require('fs'); fs.readFile(  './back.tpl',  'utf-8',  function (err, data) {   var sm = smartyMonkey.create();   var tpl_fn = sm.compile(data);   var out = tpl_fn('monkey');   console.log(out);  } );

  3. 输出: hello monkey

###② 循环(loop)

  1. 首先,我们要写一个模板(loop.tpl): {%foreach $loop1 as $key => $value%}  <div>key is: {%$key%}</div>  <div>val is: {%$value%}</div> {%/foreach%}

  2. 接着我们编译一下含有foreach循环的模板(index.js): var smartyMonkey = require('../../src/smartyMonkey'); var fs = require('fs'); fs.readFile(  './loop.tpl',  'utf-8',  function (err, data) {   sm = smartyMonkey.create();   var tpl_fn = sm.compile(data, {varnames: ['loop1']});   var out = tpl_fn(['h', 'e', 'l', 'l', 'o']);   console.log(out);  } );

  3. 输出: <div>key is: 0</div> <div>val is: h</div> <div>key is: 1</div> <div>val is: e</div> <div>key is: 2</div> <div>val is: l</div> <div>key is: 3</div> <div>val is: l</div> <div>key is: 4</div> <div>val is: o</div>

###③ 条件语句(condition)

  1. 模板中的代码(code in template): {%if $a%} this is a:{%$a%} {%else%} there is no a {%/if%}

  2. 调用: ..... var tpl_fn = sm.compile(data, {varnames: ['a']}); var out = tpl_fn('aval'); console.log('has a:', out); var out = tpl_fn(); console.log('no a:', out); .....

  3. 输出: has a: this is a:aval no a: there is no a

###④ 赋值(interpolate)

  1. 模板(interpolate.tpl): {%$b = 'test'%} b is :{%$b%}
  1. 调用: ..... var tpl_fn = sm.compile(data, {varnames: ['c']}); var out = tpl_fn('cval'); console.log(out); .....
  2. 输出: b is :test a is :test new a is: cval

###⑤ 多个参数(multiple parameters) smartyMonkey支持传入多个参数,只要compile的时候,指定第二个参数即可:

  1. 模板: a is {%$a%} b is {%$b%} c is {%$c%}

###⑥ 过滤器(filter) 可以在模板中增加过滤器与过滤器所对应的函数,或语句。内置解析过滤器的只有一个count,被解析为js的.length

  1. 模板: a's length is: {%$a|count%} 2.调用: ..... var tpl_fn = sm.compile(data, {varnames: ['a']}); var out = tpl_fn('aval'); console.log(out); .....
  2. 输出: a's length is: 4

注:我们可以通过扩展filter,来增加模板的功能 例:

  1. 模板: {%$a|encodeURIComponent%} 2.调用: var sm = smartyMonkey.create({  filterMap: {   encodeURIComponent: function (code) {    return 'encodeURIComponent(a)';   }  } });
  2. 输出: http%3A%2F%2Fwww.baidu.com%2Fs%3Fwd%3DsmartyMonkey

扩展(extend):

smartyMonkey支持扩展语法与处理器,也可以覆盖默认的语法和处理器。

我们通过在create的时候添加regxs与execFns,来增加/替换 替换规则与替换函数。可以达到对语法的扩充。

例: var smartyMonkey = require('../../src/smartyMonkey'); var fs = require('fs'); fs.readFile(  './extend.tpl',  utf-8',  function (err, data) {   var sm = smartyMonkey.create({    regxs: {     smComments: /{%*[\s\S]*?*%}/g    },    execFns: {     smComments: function () {      return '-----注释替换-----';     }    }   });   var tpl_fn = sm.compile(data, {varnames: ['loop1', 'a']});   var out = tpl_fn(['h', 'e', 'l', 'l', 'o'], '19');   console.log(out);  } );

输入(extend.tpl): {%test test%}

输出: -----注释替换-----