Erlang学习：Django分格的模板引擎ErlyDTL

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于 2013-12-22 05:25:01 发布

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分类专栏： Erlang实践

本文链接：https://blog.youkuaiyun.com/kunshan_shenbin/article/details/17479405

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本文介绍了一个名为Erlydtl的Erlang模板引擎，并通过具体示例展示了如何使用该模板引擎来渲染HTML文件。示例包括了变量传递、列表渲染等功能。

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源代码GitHub：https://github.com/erlydtl/erlydtl

演示代码：

-module(welcome_template).

-export([start/0]).

start() ->
	erlydtl:compile("/Users/bin.shen/Public/welcome.html", welcome_template),
	welcome_template:render([
	    {name, "Johnny"},
	    {friends, [<<"Frankie Lee">>, <<"Judas Priest">>]},
	    {primes, [1, 2, "3", <<"5">>]}
	]).

welcome.html:

Welcome back, {{ name }}!

You have {{ friends|length }} friends: {{ friends|join:", " }}

Have some primes:
{# this is exciting #}
{% for i in primes %}
   {{ i }}
{% endfor %}

输出代码：

Eshell V5.10.3

(erlydtl@mbp-108-on-01)1> welcome_template:start().

{ok,[<<"Welcome back, ">>,"Johnny",<<"!\n\nYou have ">>,"2",

<<" friends: ">>,

[<<"Frankie Lee">>,<<", ">>,<<"Judas Priest">>],

<<"\n\nHave some primes:\n\n">>,

[[<<"\n ">>,"1",<<"\n">>],

[<<"\n ">>,"2",<<"\n">>],

[<<"\n ">>,"3",<<"\n">>],

[<<"\n ">>,<<"5">>,<<"\n">>]]]}