概念:Javascript运行时平台,不是语言,也不是框架,是一个平台。
Hello.js
1.编写js文件
2.定位到目录
3.输入node xxx.js,解释执行
let str="hello world"
console.log(str)
console.log(window) //没有bom
console.log(document) //没有dom
多出来的功能:
//1.定义导入包
let fs=require('fs')
//2.读取hello.js
//参数:路径,匿名函数
fs.readFile('hello.js',function (error,data) {
console.log(data);//utf-8编码
console.log(data.toString()); //格式可以输出
})
输出的格式不是ASCI编码格式,注意!!!
关于参数的代码理解
//1.定义导入包
let fs=require('fs')
//2.读取hello.js
//参数:路径,匿名函数
fs.readFile('hello2.js',function (error,data) {
// if(error==null)
// console.log('没有错误')
if(error)
console.log('读取文件失败!')
else
console.log(data.toString());
})
//1.导入http包
let http=require('http')
//2.定义server变量,返回一个server实例;
let server=http.createServer()
//3.服务器的响应,接受request请求,产生会回调事件
server.on('request',function () {
console.log('接受来自客户端的请求....')
})
//4.绑定到响应的端口号;
server.listen(3000,function () {
console.log('服务器启动了,可以通过http://localhost:3000/来访问...')
})
//1.导入http包
let http=require('http')
//2.定义server变量,返回一个server实例;
let server=http.createServer()
//3.服务器的响应,接受request请求,产生会回调事件
//增加参数:request、response
server.on('request',function (request,response) {
console.log('接受来自客户端的请求....')
console.log('请求路径是:'+request.url)
//response:响应输出;服务器发送给客户端
response.write('你好')
response.write('test...aaa')
response.end()
})
//4.绑定到响应的端口号;
server.listen(3000,function () {
console.log('服务器启动了,可以通过http://localhost:3000/来访问...')
})
根据不同的url返回不同的服务
let url=request.url
url返回的是/之后的路径
//1.导入http包
let http=require('http')
//2.定义server变量,返回一个server实例;
let server=http.createServer()
//3.服务器的响应,接受request请求,产生会回调事件
//增加参数:request、response
server.on('request',function (request,response) {
console.log('接受来自客户端的请求....')
console.log('请求路径是:'+request.url)
//3.1获取请求的url路径信息;
let url=request.url
console.log('----'+url)
//接下来,根据url进行判断;
if(url=='/'){
response.end('index.html')
}else if(url=='/login'){
response.end('login.html')
}else if(url=='/products'){
let products=[
{name:'苹果',price:4.5},
{name:'香蕉',price:3.5},
{name:'橘子',price:2.5}]
response.end(JSON.stringify(products))
}
else{
response.end('404 Error')
}
//response:响应输出;服务器发送给客户端
// response.write('你好')
// response.write('test...aaa')
// response.end()
})
//4.绑定到响应的端口号;
server.listen(3000,function () {
console.log('服务器启动了,可以通过http://localhost:3000/来访问...')
})
模块分为三种:
之前代码require(‘fs’)就是引用的内置模块。Node为JS提供了很多服务器级别的API,这些API绝大多数都被包装到了一个有名字的核心模块。例如文件操作的fs模块。
使用格式:
let 变量名=require(‘模块名’) //fs:文件读写模块
let http=require(‘http’) //http:协议模块;
let path=require(‘path’) //路径处理模块
let os=require(‘os’)
let fs=require(‘fs’)
let fs = require("fs");
//创建文件夹
//fs.mkdir('./hello',(err,data)=>{
// console.log(err);
// console.log(data);
//});
//修改文件夹
//fs.rename('./hello','./testyyh',(err)=>{
// if(err){
// console.log("error");
// }else{
// console.log("ok");
// }
//});
//删除文件夹-->只能删除空文件夹
fs.rmdir('./testyyh',(err)=>{
if(err){
console.log('删除失败');
console.log(err);
}else{
console.log('ok');
}
const fs = require('fs');
//创建文件,覆盖写入,正常的话则是追加
//fs.writeFile('test.txt','这是我的第一个文件',(err)=>{
// if(err){
// console.log('创建失败');
// console.log(err);
// }else{
//
// console.log('创建成功!');
// }
//
//});
//读取文件,在原来的基础上追加文件
//fs.appendFile('test.txt','韩梅梅你好',(err)=>{
// console.log(err);
//});
//读取文件这是第一种方式
//fs.readFile('test.txt',(err,msg)=>{
// console.log(err);
// console.log(msg.toString("utf8"));//在转化为字符串的时候指定编码方式
//});
//在参数中指定编码方式
//fs.readFile('test.txt','utf8',(err,msg)=>{
//
// console.log(err);
// console.log(msg);
//});
//删除文件
//fs.unlink('./test.txt',(err)=>{
// console.log(err);
//});
const fs = require('fs');
fs.readdir('./',(err,dirs)=>{
for(let index=0;index<dirs.length;index++){
console.log(dirs[index]);
}
});
fs.stat('./',(err,stats)=>{
if(stats.isFile()){
console.log('是一个文件');
}else{
console.log('是一个目录');
}
});
详细介绍自定义模块:
创建一个模块(一个js文件就是一个模块),这是test.js
let hellomodule={
sayhell(){
console.log("hello world");
}
}
module.exports=hellomodule
在另外一个文件进行调用
//1.导入文件;必须是./的模式,直接路径不可用;
let testModule=require('./module.js')
//2.直接使用;
console.log(testModule)
testModule.sayhell()
//1.引用os核心模块
let os=require('os')
//2.输出cpu的信息;
console.log(os.cpus())
//内存信息
console.log(os.totalmem())
console.log(os.type)
//.1.1引用path核心模块
let path=require('path')
//2.测试path;
path.extname('c:/soft/oop.java')
//ext:扩展名
console.log(path.extname('c:/soft/oop.java'))
//输出端口号;
console.log('请求端口号:'+request.socket.remotePort)
console.log('请求地址:'+request.socket.remoteAddress)
let http=require('http')
let server=http.createServer()
server.on('request',(req,resp)=>{
console.log('请求地址:'+req.url)
console.log('请求客户端地址信息:'+req.socket.remotePort,req.socket.remoteAddress)
resp.end('hello world.张晨光...')
})
server.listen(5000,()=>{
console.log('服务器启动可以访问了...')
})
可以启动多个服务,端口号不同就行!!!
let http=require('http')
let fs=require('fs')
let server=http.createServer()
server.on('request',(req,resp)=>{
let url=req.url
if(url==='/'){
fs.readFile('./hello.html',(err,data)=>{
if(err){
resp.setHeader('Content-Type','text/plain;charset=utf-8')
resp.end('文件读取失败!')
}else{
resp.setHeader('Content-Type','text/html;charset=utf-8')
resp.end(data)
}
})
}
})
server.listen(3000,()=>{
console.log('服务器启动可以访问了...')
})
可以读取图片的程序升级
let http=require('http')
let fs=require('fs')
let server=http.createServer()
server.on('request',(req,resp)=>{
let url=req.url
if(url==='/'){
fs.readFile('./hello.html',(err,data)=>{
if(err){
resp.setHeader('Content-Type','text/plain;charset=utf-8')
resp.end('文件读取失败!')
}else{
resp.setHeader('Content-Type','text/html;charset=utf-8')
resp.end(data)
}
})
}
else if(url==='/photo'){
fs.readFile('./resources/2a.jpg',(err,data)=>{
if(err){
resp.setHeader('Content-Type','text/plain;charset=utf-8')
resp.end('图片读取失败!')
}else{
resp.setHeader('Content-Type','image/jpeg')
resp.end(data)
}
})
}
})
server.listen(3000,()=>{
console.log('服务器启动可以访问了...')
})
Http Mime Type
文件扩展名 | Content-Type(Mime-Type) | 文件扩展名 | Content-Type(Mime-Type) |
---|---|---|---|
.*( 二进制流,不知道下载文件类型) | application/octet-stream | .tif | image/tiff |
.001 | application/x-001 | .301 | application/x-301 |
.323 | text/h323 | .906 | application/x-906 |
.907 | drawing/907 | .a11 | application/x-a11 |
.acp | audio/x-mei-aac | .ai | application/postscript |
.aif | audio/aiff | .aifc | audio/aiff |
.aiff | audio/aiff | .anv | application/x-anv |
.asa | text/asa | .asf | video/x-ms-asf |
.asp | text/asp | .asx | video/x-ms-asf |
.au | audio/basic | .avi | video/avi |
.awf | application/vnd.adobe.workflow | .biz | text/xml |
.bmp | application/x-bmp | .bot | application/x-bot |
.c4t | application/x-c4t | .c90 | application/x-c90 |
.cal | application/x-cals | .cat | application/vnd.ms-pki.seccat |
.cdf | application/x-netcdf | .cdr | application/x-cdr |
.cel | application/x-cel | .cer | application/x-x509-ca-cert |
.cg4 | application/x-g4 | .cgm | application/x-cgm |
.cit | application/x-cit | .class | java/* |
.cml | text/xml | .cmp | application/x-cmp |
.cmx | application/x-cmx | .cot | application/x-cot |
.crl | application/pkix-crl | .crt | application/x-x509-ca-cert |
.csi | application/x-csi | .css | text/css |
.cut | application/x-cut | .dbf | application/x-dbf |
.dbm | application/x-dbm | .dbx | application/x-dbx |
.dcd | text/xml | .dcx | application/x-dcx |
.der | application/x-x509-ca-cert | .dgn | application/x-dgn |
.dib | application/x-dib | .dll | application/x-msdownload |
.doc | application/msword | .dot | application/msword |
.drw | application/x-drw | .dtd | text/xml |
.dwf | Model/vnd.dwf | .dwf | application/x-dwf |
.dwg | application/x-dwg | .dxb | application/x-dxb |
.dxf | application/x-dxf | .edn | application/vnd.adobe.edn |
.emf | application/x-emf | .eml | message/rfc822 |
.ent | text/xml | .epi | application/x-epi |
.eps | application/x-ps | .eps | application/postscript |
.etd | application/x-ebx | .exe | application/x-msdownload |
.fax | image/fax | .fdf | application/vnd.fdf |
.fif | application/fractals | .fo | text/xml |
.frm | application/x-frm | .g4 | application/x-g4 |
.gbr | application/x-gbr | . | application/x- |
.gif | image/gif | .gl2 | application/x-gl2 |
.gp4 | application/x-gp4 | .hgl | application/x-hgl |
.hmr | application/x-hmr | .hpg | application/x-hpgl |
.hpl | application/x-hpl | .hqx | application/mac-binhex40 |
.hrf | application/x-hrf | .hta | application/hta |
.htc | text/x-component | .htm | text/html |
.html | text/html | .htt | text/webviewhtml |
.htx | text/html | .icb | application/x-icb |
.ico | image/x-icon | .ico | application/x-ico |
.iff | application/x-iff | .ig4 | application/x-g4 |
.igs | application/x-igs | .iii | application/x-iphone |
.img | application/x-img | .ins | application/x-internet-signup |
.isp | application/x-internet-signup | .IVF | video/x-ivf |
.java | java/* | .jfif | image/jpeg |
.jpe | image/jpeg | .jpe | application/x-jpe |
.jpeg | image/jpeg | .jpg | image/jpeg |
.jpg | application/x-jpg | .js | application/x-javascript |
.jsp | text/html | .la1 | audio/x-liquid-file |
.lar | application/x-laplayer-reg | .latex | application/x-latex |
.lavs | audio/x-liquid-secure | .lbm | application/x-lbm |
.lmsff | audio/x-la-lms | .ls | application/x-javascript |
.ltr | application/x-ltr | .m1v | video/x-mpeg |
.m2v | video/x-mpeg | .m3u | audio/mpegurl |
.m4e | video/mpeg4 | .mac | application/x-mac |
.man | application/x-troff-man | .math | text/xml |
.mdb | application/msaccess | .mdb | application/x-mdb |
.mfp | application/x-shockwave-flash | .mht | message/rfc822 |
.mhtml | message/rfc822 | .mi | application/x-mi |
.mid | audio/mid | .midi | audio/mid |
.mil | application/x-mil | .mml | text/xml |
.mnd | audio/x-musicnet-download | .mns | audio/x-musicnet-stream |
.mocha | application/x-javascript | .movie | video/x-sgi-movie |
.mp1 | audio/mp1 | .mp2 | audio/mp2 |
.mp2v | video/mpeg | .mp3 | audio/mp3 |
.mp4 | video/mpeg4 | .mpa | video/x-mpg |
.mpd | application/vnd.ms-project | .mpe | video/x-mpeg |
.mpeg | video/mpg | .mpg | video/mpg |
.mpga | audio/rn-mpeg | .mpp | application/vnd.ms-project |
.mps | video/x-mpeg | .mpt | application/vnd.ms-project |
.mpv | video/mpg | .mpv2 | video/mpeg |
.mpw | application/vnd.ms-project | .mpx | application/vnd.ms-project |
.mtx | text/xml | .mxp | application/x-mmxp |
.net | image/pnetvue | .nrf | application/x-nrf |
.nws | message/rfc822 | .odc | text/x-ms-odc |
.out | application/x-out | .p10 | application/pkcs10 |
.p12 | application/x-pkcs12 | .p7b | application/x-pkcs7-certificates |
.p7c | application/pkcs7-mime | .p7m | application/pkcs7-mime |
.p7r | application/x-pkcs7-certreqresp | .p7s | application/pkcs7-signature |
.pc5 | application/x-pc5 | .pci | application/x-pci |
.pcl | application/x-pcl | .pcx | application/x-pcx |
application/pdf | application/pdf | ||
.pdx | application/vnd.adobe.pdx | .pfx | application/x-pkcs12 |
.pgl | application/x-pgl | .pic | application/x-pic |
.pko | application/vnd.ms-pki.pko | .pl | application/x-perl |
.plg | text/html | .pls | audio/scpls |
.plt | application/x-plt | .png | image/png |
.png | application/x-png | .pot | application/vnd.ms-powerpoint |
.ppa | application/vnd.ms-powerpoint | .ppm | application/x-ppm |
.pps | application/vnd.ms-powerpoint | .ppt | application/vnd.ms-powerpoint |
.ppt | application/x-ppt | .pr | application/x-pr |
.prf | application/pics-rules | .prn | application/x-prn |
.prt | application/x-prt | .ps | application/x-ps |
.ps | application/postscript | .ptn | application/x-ptn |
.pwz | application/vnd.ms-powerpoint | .r3t | text/vnd.rn-realtext3d |
.ra | audio/vnd.rn-realaudio | .ram | audio/x-pn-realaudio |
.ras | application/x-ras | .rat | application/rat-file |
.rdf | text/xml | .rec | application/vnd.rn-recording |
.red | application/x-red | .rgb | application/x-rgb |
.rjs | application/vnd.rn-realsystem-rjs | .rjt | application/vnd.rn-realsystem-rjt |
.rlc | application/x-rlc | .rle | application/x-rle |
.rm | application/vnd.rn-realmedia | .rmf | application/vnd.adobe.rmf |
.rmi | audio/mid | .rmj | application/vnd.rn-realsystem-rmj |
.rmm | audio/x-pn-realaudio | .rmp | application/vnd.rn-rn_music_package |
.rms | application/vnd.rn-realmedia-secure | .rmvb | application/vnd.rn-realmedia-vbr |
.rmx | application/vnd.rn-realsystem-rmx | .rnx | application/vnd.rn-realplayer |
.rp | image/vnd.rn-realpix | .rpm | audio/x-pn-realaudio-plugin |
.rsml | application/vnd.rn-rsml | .rt | text/vnd.rn-realtext |
.rtf | application/msword | .rtf | application/x-rtf |
.rv | video/vnd.rn-realvideo | .sam | application/x-sam |
.sat | application/x-sat | .sdp | application/sdp |
.sdw | application/x-sdw | .sit | application/x-stuffit |
.slb | application/x-slb | .sld | application/x-sld |
.slk | drawing/x-slk | .smi | application/smil |
.smil | application/smil | .smk | application/x-smk |
.snd | audio/basic | .sol | text/plain |
.sor | text/plain | .spc | application/x-pkcs7-certificates |
.spl | application/futuresplash | .spp | text/xml |
.ssm | application/streamingmedia | .sst | application/vnd.ms-pki.certstore |
.stl | application/vnd.ms-pki.stl | .stm | text/html |
.sty | application/x-sty | .svg | text/xml |
.swf | application/x-shockwave-flash | .tdf | application/x-tdf |
.tg4 | application/x-tg4 | .tga | application/x-tga |
.tif | image/tiff | .tif | application/x-tif |
.tiff | image/tiff | .tld | text/xml |
.top | drawing/x-top | .torrent | application/x-bittorrent |
.tsd | text/xml | .txt | text/plain |
.uin | application/x-icq | .uls | text/iuls |
.vcf | text/x-vcard | .vda | application/x-vda |
.vdx | application/vnd.visio | .vml | text/xml |
.vpg | application/x-vpeg005 | .vsd | application/vnd.visio |
.vsd | application/x-vsd | .vss | application/vnd.visio |
.vst | application/vnd.visio | .vst | application/x-vst |
.vsw | application/vnd.visio | .vsx | application/vnd.visio |
.vtx | application/vnd.visio | .vxml | text/xml |
.wav | audio/wav | .wax | audio/x-ms-wax |
.wb1 | application/x-wb1 | .wb2 | application/x-wb2 |
.wb3 | application/x-wb3 | .wbmp | image/vnd.wap.wbmp |
.wiz | application/msword | .wk3 | application/x-wk3 |
.wk4 | application/x-wk4 | .wkq | application/x-wkq |
.wks | application/x-wks | .wm | video/x-ms-wm |
.wma | audio/x-ms-wma | .wmd | application/x-ms-wmd |
.wmf | application/x-wmf | .wml | text/vnd.wap.wml |
.wmv | video/x-ms-wmv | .wmx | video/x-ms-wmx |
.wmz | application/x-ms-wmz | .wp6 | application/x-wp6 |
.wpd | application/x-wpd | .wpg | application/x-wpg |
.wpl | application/vnd.ms-wpl | .wq1 | application/x-wq1 |
.wr1 | application/x-wr1 | .wri | application/x-wri |
.wrk | application/x-wrk | .ws | application/x-ws |
.ws2 | application/x-ws | .wsc | text/scriptlet |
.wsdl | text/xml | .wvx | video/x-ms-wvx |
.xdp | application/vnd.adobe.xdp | .xdr | text/xml |
.xfd | application/vnd.adobe.xfd | .xfdf | application/vnd.adobe.xfdf |
.xhtml | text/html | .xls | application/vnd.ms-excel |
.xls | application/x-xls | .xlw | application/x-xlw |
.xml | text/xml | .xpl | audio/scpls |
.xq | text/xml | .xql | text/xml |
.xquery | text/xml | .xsd | text/xml |
.xsl | text/xml | .xslt | text/xml |
.xwd | application/x-xwd | .x_b | application/x-x_b |
.sis | application/vnd.symbian.install | .sisx | application/vnd.symbian.install |
.x_t | application/x-x_t | .ipa | application/vnd.iphone |
.apk | application/vnd.android.package-archive | .xap | application/x-silverlight-app |
art-template
vue
必须通过npm 安装
文件作用域
通信规则
模块作用域
使用require来加载模块
语法:var|let 变量名=require(‘模块’)
作用:执行被加载模块中的代码;得到被加载模块中的exports导出接口对象
使用exports接口对象来导出模块中的成员
node是模块作用域,所有成员再当前模块有效;
module.exports=‘字符串’
module.exports=function(){}
后面会覆盖前面的值;
注意:exports是module.exports的一个引用,不能直接赋值。
//路径形式的模块
// ./
// ../
// /xxx 一般不用
// / 标识当前模块系统所属的磁盘根路径
// .js 后缀名可以省略
// require(./foo.js)
//核心模块实际上也是文件,核心模块文件已经编译到node.exe了
//github.com-->node查看源码可以看到fs.js os.js
//https://github.com/nodejs/node
//https://github.com/nodejs/node/tree/master/lib
//第三方模块:本质上也是文件,需要通过npm下载,使用的时候仍然通过require('包名')来加载使用
//不可能由任何一个第三方模块和核心模块文件名一致
//既不是核心模块,也不是核心路径的模块,先找到node-modules目录,其次找其中的art-template
// node_modules/art-template
// node_modules/art-template/package.json文件
// node_modules/art-template/package.json中的main属性
// main属性中记录了art-template的入口模块,加载第三方包(包名),实际最终加载的还是文件
// 模拟实现
// let template=require('art-template')
// 模拟一下
require('a')
测试第三方模块,在node_modules下新建一个a目录,创建package.json的文件
{
"main":"foo.js"
}
foo.js
console.log('a中的foo.js被加载了...')
module.exports=()=>{
console.log('fooooooo....')
}
//如果package.json不存在或者main指定的入口模块也没有,则node会自动查找该目录下的index.js
//即index.js会作为一个默认备选项。如果上述条件不成立,则去上级目录去寻找node_modules的目录,没有继续往
//上级寻找,在a目录下创建index.js
console.log('a--->index')
如果继续往上一级查找node_modules,还没有找到,则显示:
Error: Cannot find module ‘vue’
注意:我们的一个项目有且只有一个node_modules,这样项目都可以加载到第三方模块包,不会出现多个。
apache软件默认有一个www目录,此目录下的html文件都可以通过node。案例模拟实现apache项目在浏览器的效果。
读取node下的www目录文件的代码
let http=require('http')
let fs=require('fs')
//2.开始设置服务;
let server=http.createServer()
server.on('request',(req,resp)=>{
let url=req.url
//如果是这个方式的话,去某个地方
/*
* / index.html
* /a.txt +/a.txt
* /mi/login.html
* /img/bg.jpg wwwdir+/img/bg.jpg
* */
let wwwDir='D:/aaa/node/www'
let filePath='/index.html'
if(url!=='/'){
filePath=url
}
console.log(wwwDir+filePath)
fs.readFile(wwwDir+filePath,(err,data)=>{
if(err){
console.log('404 Not Found!')
}
resp.end(data)
})
})
//3.绑定机制;
server.listen(3000,()=>{
console.log('启动了...')
})
模板引擎不关心内容,只关心自己能认识的模板标记语法。Mustache是一个logic-less(轻逻辑)模板解析引擎,
它是为了使用户界面与业务数据(内容)分离而产生的,
它可以生成特定格式的文档,通常是标准的HTML文档。
比如小程序的wxml中的代码
{{userInfo.nickName}},这里的{{ }}就是Mustache的语法。
art-template 是一个简约、超快的模板引擎。
它采用作用域预声明的技术来优化模板渲染速度,从而获得接近 JavaScript 极限的运行性能,并且同时支持 NodeJS 和浏览器。
art-template 同时支持两种模板语法。标准语法可以让模板更容易读写;原始语法具有强大的逻辑处理能力。
{{if user}}
<h2>{{user.name}}</h2>
{{/if}}
<% if (user) { %>
<h2><%= user.name %></h2>
<% } %>
使用步骤:
1.安装
npm install art-template
2.在需要使用的文件中加载art-template
let temp=require(‘art-template’)
3.查文档,使用art-template的API
在node-modules下的模板文件
<!DOCTYPE html>
<html style="height: 100%">
<head>
<meta charset="utf-8">
<!--<title>{{ title }}</title>-->
<title><%=title%></title>
</head>
<body>
<script src="../node_modules/art-template/lib/template-web.js"></script>
<script type="text/template" id="tp1">
hello{{name}}
年龄:{{age}}
地址:{{address}}
爱好:{{each hobbies}}{{$value}}{{/each}}
</script>
<!--测试-->
<script>
var ret=template('tp1',{name:'jack ma',
age:22,
address:'河南省郑州市',
hobbies:['吃好饭','唱好歌','开好车']
})
console.log(ret)
</script>
</body>
</html>
node.js使用art-template
let template=require('art-template')
//template('script标签id',{对象})
let result=template.render('Hello:{{name}}',{name:'张晨光'})
console.log(result)
结合模板来使用
let template=require('art-template')
let tempstr=`<!DOCTYPE html>
<html style="height: 100%">
<head>
<meta charset="utf-8">
<title><%=title%></title>
</head>
<body>
hello{{name}}
年龄:{{age}}
地址:{{address}}
爱好:{{each hobbies}}{{$value}}{{/each}}
</body>
</html>`
//template('script标签id',{对象})
let result=template.render(tempstr,{name:'jack ma',
age:22,
address:'河南省郑州市',
hobbies:['吃好饭','唱好歌','开好车']
})
console.log(result)
不能使用这种方式,需要使用文件来读写
模板页面:
<!DOCTYPE html>
<html style="height: 100%">
<head>
<meta charset="utf-8">
<title><%=title%></title>
</head>
<body>
hello{{name}}
年龄:{{age}}
地址:{{address}}
爱好:{{each hobbies}}{{$value}}{{/each}}
</body>
</html>
<!--测试-->
<script>
var ret=template('tp1',{name:'jack ma',
age:22,
address:'河南省郑州市',
hobbies:['吃好饭','唱好歌','开好车']
})
console.log(ret)
</script>
node.js代码;
let template=require('art-template')
let fs=require('fs')
fs.readFile('./template.html',(err,data)=>{
if(err){
return console.log('读取文件有误...')
}
//没有问题,则这样;
//template('script标签id',{对象})
let result=template.render(data.toString(),{name:'jack ma',
age:22,
address:'河南省郑州市',
hobbies:['吃好饭','唱好歌','开好车']
})
console.log(result)
})