{"id":5706,"date":"2017-03-16T14:04:35","date_gmt":"2017-03-16T06:04:35","guid":{"rendered":"https:\/\/sdeno.com\/?p=5706"},"modified":"2017-04-05T16:48:50","modified_gmt":"2017-04-05T08:48:50","slug":"meteor-js%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=5706","title":{"rendered":"meteor.js\u7b14\u8bb0"},"content":{"rendered":"

meteor.txt<\/a><\/p>\n

1\uff0clinux mac\u5b89\u88c5\u65b9\u6cd5<\/span>
\ncurl https:\/\/install.meteor.com\/ | sh
\n\u6839\u636e\u63d0\u793a\u521b\u5efa\u9879\u76ee\u76ee\u5f55\u548c\u5b89\u88c5\u6a21\u5757<\/p>\n

 <\/p>\n

2\uff0c\u76ee\u5f55\u4ecb\u7ecd<\/span>
\nclient\/main.html \/\/\u76f8\u5f53\u4e8eindex.html\uff0c\u6240\u6709\u7684\u6a21\u5757\u90fd\u63d2\u5165\u5230\u9875\u9762\u4e2d
\nclient\/main.js \/\/main.html\u7684\u4e00\u4e9b\u4e1a\u52a1\u903b\u8f91\u4ee3\u7801\u90fd\u5728\u8fd9\u91cc\u5199
\nclient\/main.css \/\/\u6dfb\u52a0\u6837\u5f0f
\nserver\/main.js \/\/\u5411\u670d\u52a1\u5668\u63d0\u4ea4\u6570\u636e<\/p>\n

\/\/\u5e0c\u671b\u52a0\u8f7d\u989d\u5916\u989d\u63d2\u4ef6
\n\u5728client\u76ee\u5f55\u4e0b\u624b\u52a8\u521b\u5efalib\u76ee\u5f55
\n\u4f8b\u5982\uff1aclient\/lib\/jquery.js \/\/\u8fd0\u884cmeteor\u5c31\u4f1a\u81ea\u52a8\u52a0\u8f7djquery
\n\u4f8b\u5982\uff1aclient\/lib\/css.css \/\/\u8fd0\u884cmeteor\u5c31\u4f1a\u81ea\u52a8\u52a0\u8f7dcss.css
\n\/\/\u5c06\u6570\u636e\u5e93\u4fe1\u606f\u63d2\u5165\u5230\u6a21\u677f\u4e2d\u3002\uff08meteor\u53ea\u652f\u6301mongodb\uff09
\n\u5728\u9879\u76ee\u7684\u6839\u76ee\u5f55\u4e2d\u624b\u52a8\u521b\u5efalib\/collection\u76ee\u5f55
\n\u4f8b\u5982\uff1alib\/collection\/users.js<\/p>\n

\u5185\u5bb9\uff1a
\n\/\/\u4e0d\u80fd\u52a0var\u4e0d\u7136\u5c31\u6210\u4e86\u5c40\u90e8\u53d8\u91cf\u4e86\uff0c\u8981\u5b9e\u73b0\u5168\u5c40\u53d8\u91cf\u8fd9\u6837\u4efb\u610f\u7684\u6a21\u5757\u90fd\u80fd\u8c03\u7528
\nUsers=new Mongo.Collection(‘users’);<\/p>\n

 <\/p>\n

3\uff0cBlaze\u6a21\u677f<\/span>
\n\u53ef\u4ee5\u5b9e\u73b0\u540e\u53f0\u6570\u636e\u6709\u53d8\u5316\u524d\u53f0\u9875\u9762\u4f1a\u5b9e\u73b0\u81ea\u52a8\u5237\u65b0\u8fd9\u5c31\u662f\u54cd\u5e94\u5f0f
\n\u53ea\u8981html\u3001js\u3001css\u6709\u53d8\u5316\u9875\u9762\u5c31\u4f1a\u81ea\u52a8\u5237\u65b0<\/p>\n

\uff081\uff09\u5728client\u76ee\u5f55\u4e0b\u521b\u5efauser.html<\/p>\n

 \u5185\u5bb9\uff1a\r\n<template name=\"user_list\"> <!--\u6a21\u677f\u547d\u540d\uff0c\u540d\u5b57\u5fc5\u987b\u662f\u552f\u4e00\u7684user_list-->\r\n <p>{{xx}}<\/p> <!--xx\u662f\u8981\u4ece\u4e1a\u52a1\u903b\u8f91\u4ee3\u7801\u4e2d\u8c03\u7528\u51fa\u6765\u7684\u6570\u636e-->\r\n <ul>\r\n {{#each users }}\r\n   <li>\r\n     name:{{name}}----age:{{age}}\r\n   <\/li>\r\n {{\/each}}\r\n <\/ul>\r\n<\/template><\/pre>\n
 <\/p>\n
\uff082\uff09\u5728client\u76ee\u5f55\u4e0b\u521b\u5efauser.js<\/p>\n
import { Template } from 'meteor\/templating';\r\nTemplate.user_list.helpers({\r\n xx:\"xxx1\",\r\n users:function () {\r\n   return Users.find() \/\/Users.find()\u662f\u4ecemongodb\u6570\u636e\u4e2d\u83b7\u53d6\u6570\u636e\r\n }\r\n});<\/pre>\n
 <\/p>\n
\uff083\uff09\u521b\u5efa\u76ee\u5f55\u548cjs\uff0clib\/collection\/users.js<\/p>\n
Users=new Mongo.Collection('users');<\/pre>\n
 <\/p>\n
\uff084\uff09\u7f16\u8f91client\/main.html<\/p>\n
\u5728main.html\u9875\u9762\u9700\u8981\u63d2\u5165\u6253\u5730\u65b9\uff0c\u52a0\u5165<\/p>\n
{{> user_list}}<\/pre>\n
——————-\u4ee5\u4e0a\u5927\u6982\u4ecb\u7ecd\u4e86meteor\u4e0e\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u6d41\u7a0b—————————<\/p>\n
\u4e0b\u9762\u4ecb\u7ecdBlaze\u6a21\u677f\u57fa\u7840\u7528\u6cd5\uff1a<\/p>\n
{{name}} \/\/\u4e0d\u89e3\u6790html\u4ee3\u7801\uff0c\u5199\u4ec0\u4e48\u4ee3\u7801\u76f4\u63a5\u663e\u793a\u51fa\u6765
\n{{{name}}} \/\/\u89e3\u6790html\u4ee3\u7801<\/p>\n
 <\/p>\n
\/\/\u5b9a\u4e49\u4e00\u4e2a\u6a21\u677f<\/p>\n
<template name=\"xx1\"> \/\/xx\u547d\u540d\u5fc5\u987b\u8981\u552f\u4e00\r\n ...\r\n<\/template><\/pre>\n
 <\/p>\n
 <\/p>\n
\/\/\u5f15\u7528\u4e00\u4e2a\u6a21\u677f<\/p>\n
{{> xx1}}<\/pre>\n
 <\/p>\n
\/\/\u76f8\u4e92\u5d4c\u5957<\/p>\n
<template name=\"xx1\"> \/\/xx\u547d\u540d\u5fc5\u987b\u8981\u552f\u4e00\r\n {{> xx2}}\r\n<\/template><\/pre>\n
 <\/p>\n
\/\/\u6761\u4ef6<\/p>\n
 {{#if true}}\r\n    <p>\u771f<\/p>\r\n {{else}}\r\n    <p>\u5047<\/p>\r\n {{\/if}}<\/pre>\n
 <\/p>\n
<template name=\"ifelse\">\r\n  {{#if panduan canshu}}\r\n    {{> test}}\r\n  {{else}}\r\n <p>\u6ca1\u6709<\/p>\r\n {{\/if}}\r\n<\/template>\r\n\r\n Template.ifelse.helpers({\r\n   canshu:'11111',\r\n   panduan:function (canshu) {\r\n      return !!canshu && canshu.length>5;\r\n   }\r\n });<\/pre>\n
 <\/p>\n
{{#unless false}} \/\/\u4e0eif\u76f8\u53cd\r\n <p>\u771f<\/p>\r\n {{else}}\r\n <p>\u5047<\/p>\r\n{{\/unless}}<\/pre>\n
 <\/p>\n
\/\/\u904d\u5386<\/p>\n
 {{#each arry}}\r\n   <p>{{name}}---{{age}}<\/p>\r\n {{\/each}}\r\n\r\n\r\narry:function () {\r\n return [{name:'11'},{age:22},{name:'11'},{age:22}]\r\n}<\/pre>\n
 <\/p>\n
 <\/p>\n
{{#each arry}}\r\n <p>{{this}}<\/p>\r\n {{\/each}}\r\n\r\narry:function () {\r\n return ['123','456']\r\n}<\/pre>\n
 <\/p>\n
\/\/\u4e0a\u4e0b\u6587
\n{{#with}}
\n\u6a21\u677f\u52a8\u6001\u6570\u636e\u4e1a\u52a1\u903b\u8f91helpers\uff0c\u6709\u5173\u4e00\u4e9b\u52a8\u6001\u6570\u636e\u7684\u5224\u65ad\u90fd\u5199\u5728helpers\u5bf9\u8c61\u4e2d
\n\u4f7f\u7528\u4e4b\u524d\u5148\u5f15\u5165import { Template } from ‘meteor\/templating’;<\/p>\n
\u5c40\u90e8\uff1a\u4ec5\u4ec5\u5728xxx\u6a21\u677f\u4e2d\u8d77\u4f5c\u7528<\/p>\n
Template.xxx.helpers({\r\n ...\r\n});<\/pre>\n
 <\/p>\n
\u5168\u5c40\uff1a\u4efb\u610f\u6a21\u677f\u4e2d\u90fd\u53ef\u4ee5\u8c03\u7528\u8be5\u53d8\u91cf<\/p>\n
Template.registerHelper('\u53d8\u91cf\u540d',(a,b)=>{\r\n  return a===b;\r\n});\r\n\r\n\u67d0\u6a21\u677f\u5185\uff1a\r\n<input type=\"checkbox\" checked={{\u53d8\u91cf\u540d select 'yes'}}>\r\nTemplate.xxx.helpers({\r\n  select:'yes'\r\n});<\/pre>\n
 <\/p>\n
\u4e8b\u4ef6\u7ed1\u5b9a
\n\u6a21\u677f\u5185\u7f6e\u4e86jQuery\uff0c\u4e5f\u5c31\u662f\u8bf4\u5e73\u65f6\u6211\u4eec\u5728\u524d\u53f0\u64cd\u4f5c\u7684dom\uff0c\u8f6c\u5728\u4e86\u540e\u53f0\u5199\u3002
\nclick
\ndbclick
\nfocus
\nblur
\nchange
\nmouseenter\/mouseleave
\nmousedown\/mouseup
\nkeydown\/keypress\/keyup<\/p>\n
\u6848\u4f8b\uff1a<\/p>\n
Template.xx.events({\r\n  \"click button\":function(event,template){\r\n      ...\r\n  },\r\n  \"mouseenter #myid\":function(event,template){\r\n      ...\r\n  }\r\n});<\/pre>\n
\/\/\u963b\u6b62\u5192\u6ce1
\nevent.stopImmediatePropagation();<\/p>\n
\/\/\u963b\u6b62\u9ed8\u8ba4\u884c\u4e3a
\nevent.preventDefault();<\/p>\n
 <\/p>\n
\u6a21\u677f\u7684\u751f\u547d\u5468\u671f\uff1a(\u8bf4\u767d\u4e86\u5c31\u662f\u6a21\u677f\u5728\u4e0d\u540c\u65f6\u671f\u7684\u56de\u8c03\u51fd\u6570)<\/p>\n
Template.xxx.onCreated(function(){\r\n  \/\/\u6a21\u677f\u7684\u5b9e\u4f8b\u5316\u5b8c\u6210\uff0c\u4f46\u662f\u8fd8\u770b\u89c1\uff0c\u9002\u5408\u8bbe\u7f6e\u521d\u59cb\u5316\u7684\u53d8\u91cf\r\n  this.haha='123'; \/\/\u8bbe\u7f6e\u521d\u59cb\u5316\u53d8\u91cf \uff0c\u60f3\u5728helpers\u548cevents\u51fd\u6570\u4e2d\u83b7\u53d6\u5230\u6b64\u53d8\u91cf\u4f7f\u7528Template.instance().haha;\r\n});<\/pre>\n
 <\/p>\n
Template.xxx.onRendered(function () {\r\n  \/\/dom\u5df2\u7ecf\u5728\u9875\u9762\u5b58\u5728\uff0c\u7528\u6237\u53ef\u4ee5\u770b\u89c1\u4e86\uff0c\u9700\u8981\u7528js\u64cd\u4f5cdom\u5c31\u5728\u6b64\u6b65\u8fdb\u884c\u64cd\u4f5c\r\n});<\/pre>\n
 <\/p>\n
Template.xxx.onDestroyed(function () {\r\n  \/\/\u6a21\u677f\u88ab\u9500\u6bc1\u65f6\u5019\u56de\u8c03\r\n});<\/pre>\n
 <\/p>\n
——————————————-
\n\u4e0emongodb\u6570\u636e\u5e93\u4ea4\u4e92
\n——————————————-<\/p>\n
\u7528mysql\u7684\u6982\u5ff5\u6765\u7406\u89e3mongodb<\/p>\n
\u5e93—\u96c6\u5408
\n\u8868—\u6587\u6863
\n\u5b57\u6bb5—\u952e\u503c\u5bf9<\/p>\n
1\uff0c\u8fdb\u5165mongodb
\nmeteor mongo<\/p>\n
\u589e\u5220\u6539\u67e5\uff1ahttps:\/\/sdeno.com\/?p=5397
\n2\uff0cmeteor\u8fde\u63a5mongodb<\/p>\n
lib\/collection\/Users.js
\nUsers=new Mongo.Collection(‘users’); \/\/\u8fde\u63a5\u5e76\u83b7\u53d6\u5230users\u96c6\u5408\uff0c\u4e0d\u9700\u8981\u8d26\u53f7\u5bc6\u7801\uff08\u4f46\u662f\u8fd9\u6837\u4e0d\u5b89\u5168\uff09
\nclient\/user.js
\nUsers.find(); \/\/\u67e5\u8be2users\u96c6\u5408\u7684\u6240\u6709\u6587\u6863<\/p>\n
 <\/p>\n
——————————————-
\nsession
\n——————————————-
\n\u5728shell\u4e2d\u5207\u6362\u5230meteor\u76ee\u5f55
\n\u4e0b\u8f7d\u6a21\u5757\uff1ameteor add session<\/p>\n
\u5f15\u5165\uff1aimport { Session } from ‘meteor\/session’;<\/p>\n
\u83b7\u53d6\uff1aSession.get(‘name’);
\n\u8bbe\u7f6e\uff1aSession.set(‘name’,value);
\n——————————————-
\n\u8def\u7531\uff08\u63a8\u8350\u4f7f\u7528\uff09
\n——————————————-
\n\u5982\u679c\u4f7f\u7528\u8fc7express\u3001koa\u7c7b\u4f3c\u7684\u6846\u67b6\u5b83\u4eec\u90fd\u5185\u7f6e\u4e86\u8def\u7531\u529f\u80fd\uff0c\u800cmeteor\u5185\u7f6e\u6ca1\u6709\u8def\u7531\u529f\u80fd\uff0c\u9700\u8981\u989d\u5916\u5b89\u88c5
\n\u5b89\u88c5\uff1ameteor add iron:router
\n\u5b98\u7f51\uff1ahttp:\/\/iron-meteor.github.io\/iron-router\/<\/p>\n
 <\/p>\n
\u5bfc\u822a\uff1a
\nclient\/nav.html
\n<template name=”nav”>
\n<ul>
\n<a href=”\/”>\u9996\u9875<\/a>
\n<a href=”\/aboutus”>\u5173\u4e8e<\/a>
\n<\/ul>
\n<\/template><\/p>\n
 <\/p>\n
\u9996\u9875\uff1a
\nclient\/home.html<\/p>\n
<template name=”home”>
\n{{> nav}}
\n<p>\u8fd9\u91cc\u662f\u9996\u9875<\/p>
\n<\/template>
\n\u4e3a\u9996\u9875\u521b\u5efa\u8def\u7531,\u5e76\u6e32\u67d3\u5426\u5219\u9875\u9762\u65e0\u6cd5\u663e\u793a
\nlib\/router.js<\/p>\n
import { Router } from ‘meteor\/iron:router’;<\/p>\n
Router.route(‘\/’,function () {
\nthis.render(‘home’); \/\/\u8fd9\u91cc\u7684home\u662f template\u7684\u6a21\u677f\u540d\u79f0home
\n});
\n\u6a21\u677f\u548c\u8def\u7531\u90fd\u521b\u5efa\u597d\uff0c\u53ea\u8981\u8bbf\u95eeurl\u5c31\u81ea\u52a8\u5728main.html\u7684body\u6807\u7b7e\u91cc\u9762\u63d2\u5165\u5185\u5bb9\u3002
\n\u4ee5\u4e0a\u662f\u7b80\u5355\u57fa\u7840\u7684\u7528\u6cd5\uff0c\u4f46\u5982\u679c10\u4e2a\u9875\u9762\u8ddfhome\u6a21\u677f\u4e00\u6837\u90fd\u5f15\u5165\u4e86{{> nav}}\uff0c\u4e4b\u540e\u53c8\u4e0d\u9700\u8981\u7684\u8bdd\uff0c\u5c31\u9700\u8981\u4e00\u4e2a\u4e2a\u5220\u9664\u8fd9\u6837\u4f1a\u6bd4\u8f83\u9ebb\u70e6\u3002
\n\u8fd9\u4e86\u9700\u8981\u4e86\u89e3{{yield}}\u7684\u7528\u6cd5<\/p>\n
\u516c\u5171\u6a21\u677f\uff1a
\nclient\/public.html<\/p>\n
<template name=”public”>
\n{{> nav}}
\n{{> yield}}
\n<\/template>
\n\u9996\u9875
\nclient\/home.html<\/p>\n
<template name=”home”>
\n<!–\u8ddf\u4e4b\u524d\u76f8\u6bd4\u8fd9\u91cc\u53ef\u4ee5\u4e0d\u9700\u8981{{> nav}}\u4e86–>
\n<p>\u8fd9\u91cc\u662f\u9996\u9875<\/p>
\n<\/template>
\n\u8def\u7531\uff1a
\nlib\/router.js<\/p>\n
import { Router } from ‘meteor\/iron:router’;
\nRouter.configure({layoutTemplate:’public’}); \/\/\u8fd9\u4ee3\u7801\u8bf4\u660e\uff0c\u9ed8\u8ba4\u6e32\u67d3\u51fa\u6765\u7684\u9875\u9762\u90fd\u9ed8\u8ba4\u5d4c\u5957\u5230public.html\u9875\u9762\u7684{{> yield}}\u4e2d<\/p>\n
Router.route(‘\/’,function () {
\nthis.render(‘home’);
\n});<\/p>\n
\/\/\u56e0\u4e3a\u9ed8\u8ba4\u90fd\u4f1a\u52a0\u8f7d\u4e86\u5bfc\u822a\uff0c\u4f46\u662f\u6709\u65f6\u5019\u6211\u4eec\u4e0d\u9700\u8981\u5462\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
Router.route(‘\/aboutus’,function () {
\nthis.layout(‘aboutus’); \/\/\u4f7f\u7528this.layout() \u8bf4\u660e\u5c31\u4e0d\u9700\u8981\u5d4c\u5957\u5230public.html\u6a21\u677f\u4e2d\uff0c\u800c\u662f\u72ec\u7acb\u4f7f\u7528\u81ea\u5df1\u7684aboutus.html\u6a21\u677f
\n});
\n——————————————-
\n\u8def\u7531\u4e0e\u6570\u636e\u4ea4\u4e92
\n——————————————-<\/p>\n
\u5f00\u542fmeteor\u81ea\u5e26\u6570\u636e\u5e93mogodb\uff1a
\nmeteor mongo<\/p>\n
1\uff0c\u5047\u8bbe\u7528Users.find()\u80fd\u67e5\u8be2\u5230\u6570\u636e<\/p>\n
2\uff0c\u4ece\u6570\u636e\u5e93\u83b7\u53d6\u6570\u636e
\nlib\/collection\/User.js
\nUsers=new Mongo.Collection(‘users’); \/\/users\u662fmongodb\u6570\u636e\u96c6\u5408<\/p>\n
3\uff0c\u5c06\u6570\u636e\u96c6\u5408\u4f20\u5165\u5230\u8def\u7531\u4e2d
\nRouter.route(‘\/’,function () {
\nthis.render(‘home’,{
\ndata:function () {
\nreturn {users:Users.find()} \/\/\u8fd9\u91cc\u7684users\uff0c\u5c31\u662f\u8981\u4f20\u5230\u524d\u53f0\u7684\u53d8\u91cf
\n}
\n});
\n});
\n4\uff0c\u524d\u53f0\u663e\u793a\u6570\u636e
\n{{#each users}}
\n<li>_id:{{_id}}—-{{name}}—-{{age}}<\/li>
\n{{\/each}}<\/p>\n
 <\/p>\n
 <\/p>\n
——————————————-
\n\u8def\u7531\u7684\u751f\u547d\u5468\u671f
\n——————————————-<\/p>\n
action: function () {
\nconsole.log(‘3’);
\nthis.render();
\n},
\nonRun: function () {console.log(‘1’);this.next()},
\nonRerun: function () {console.log(‘\u6267\u884c\u7b2c\u4e8c\u6b21\u65f6\u624d\u88ab\u6267\u884c’);},
\nonBeforeAction: function () {console.log(‘2’);this.next()},
\nonAfterAction: function () {console.log(‘4’);},
\nonStop: function () {console.log(‘\u8def\u7531\u88ab\u9500\u6bc1\u65f6\u6267\u884c’)}<\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
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