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laziest

v1.0.1

Published

a template engine for es6

Downloads

2

Readme

Laziest

一个利用es6的模板字符串功能封装实现的模板引擎

安装方法

npm i laziest

使用方法

//引入laziest模块
const laziest = require('laziest');
//使用compile方法编译模板
var view = laziest.compile(templatePath);
//引入数据内容
var data = require(dataPath);
//生成内容
var output = view(data);
//将内容写入文件
const fs = require('fs');
fs.writeFileSync(filePath,output);

模板语法

<% javascript 代码 %>  //插入javascript代码
#{ 变量名称 }  //插入变量值

例子详解

零、已拥有数据文件studentList.json,内容如下:

[
    {
        "name": "Jack",
        "sex": "male",
        "age": 12
    },
    {
        "name": "Rose",
        "sex": "female",
        "age": 13
    },
    {
        "name": "Kate",
        "sex": "female",
        "age": 11
    }
]

一、希望生成output.json文件,内容如下:

[
    {
        "index":1,
        "introduction":"my name is Jack,my sex is male and my age is 12"
    },
    {
        "index":2,
        "introduction":"my name is Rose,my sex is female and my age is 13"
    },
    {
        "index":3,
        "introduction":"my name is Kate,my sex is female and my age is 11"
    }
]

二、编写模板代码过程如下: (1)先观察生成文件结构,知道是循环输出,然后开始新建模板。 新建一个模板template.laz(注意后缀名称是laz),忽略变量和循环,初步框架内容如下:

[
    {
        "index":,
        "introduction":"my name is ,my sex is  and my age is "
    }
]

(2)然后开始通过 #{ } 符号添加常规变量:

[
    {
        "index":,
        "introduction":"my name is #{ele.name},my sex is #{ele.sex} and my age is #{ele.age}"
    }
]

(3)最后再通过 <% %> 符号插入含有逻辑的js代码,用法类似js代码中插入php代码,注意中间输出部分不能放置在 <% %> 中,如中间有输出,则需要将js代码前半部分用 %> 闭合,中间填写输出内容(可用 #{ } 对变量取值),再用 <% 开始后半部分,如下:

[<%data.forEach((ele,index)=>{%>
    {
        "index":#{index+1},
        "introduction":"my name is #{ele.name},my sex is #{ele.sex} and my age is #{ele.age}"
    }<%if(index < data.length-1 ){%>,<%}else%><%})%>
]

三、最后,在generate.js文件中编写生成代码如下:

//引入laziest模块
const laziest = require('laziest');
//使用compile方法编译模板
var view = laziest.compile('./template.laz');
//引入数据内容
var data = require('./studentList.json');
//生成内容
var output = view(data);
//将内容写入文件
const fs = require('fs');
fs.writeFileSync('output.json',output);

License

MIT License