seajsµÄ³£ÓÃapi¼òÒ×Îĵµ

µ¼Óï ĿǰʹÓÃsea jsµÄ¹«Ë¾Ô½À´Ô½¶à£¬ ±ÈÈçÅóÓÑÍø£¬°¢Àï°Í°Í£¬ÌÔ±¦Íø£¬°ÙÐÕÍø£¬Ö§¸¶±¦£¬ÓеÀÔƱʼǵȡ£Ä£¿é»¯µÄjavascript¿ª·¢´øÀ´ÁË¿Éά»¤£¬¿ÉÀ©Õ¹ÐÔ£¬ÓÈÆäÔÚ¶àÈËЭ×÷¿ª·¢µÄʱºò²»ÓÃÔÙµ£ÐÄÎļþÒÀÀµºÍº¯ÊýÃüÃû³åÍ»µÄ
ĿǰʹÓÃsea.jsµÄ¹«Ë¾Ô½À´Ô½¶à£¬ ±ÈÈçÅóÓÑÍø£¬°¢Àï°Í°Í£¬ÌÔ±¦Íø£¬°ÙÐÕÍø£¬Ö§¸¶±¦£¬ÓеÀÔƱʼǵȡ£Ä£¿é»¯µÄjavascript¿ª·¢´øÀ´ÁË¿Éά»¤£¬¿ÉÀ©Õ¹ÐÔ£¬ÓÈÆäÔÚ¶àÈËЭ×÷¿ª·¢µÄʱºò²»ÓÃÔÙµ£ÐÄÎļþÒÀÀµºÍº¯ÊýÃüÃû³åÍ»µÄÎÊÌ⣬Óе㳶ԶÁË£¬ÏÂÃæÂÞÁÐÁËseajs³£ÓõÄapiºÍ´úÂëʾÀý
  • seajs.config
  • seajs.use
  • seajs.cache
  • seajs.reslove
  • seajs.data
  • ³£¼ûÎÊÌâ
  • ¹ØÓÚÄ£¿é±êʶ
  • ¹ØÓÚ·¾¶

seajs.config 

alias

±ðÃûÅäÖã¬ÅäÖÃÖ®ºó¿ÉÔÚÄ£¿éÖÐʹÓÃrequireµ÷Óà require('jquery');


seajs.config({
    alias: { 'jquery': 'jquery/jquery/1.10.1/jquery' } 
});
define(function(require, exports, module) {
    //ÒýÓÃjQueryÄ£¿é
    var $ = require('jquery');
});

paths ÉèÖ÷¾¶£¬·½±ã¿çĿ¼µ÷Óá£Í¨¹ýÁé»îµÄÉèÖÃpath¿ÉÒÔÔÚ²»Ó°ÏìbaseµÄÇé¿öÏÂÖ¸¶¨µ½Ä³¸öĿ¼¡£


seajs.config({
    //ÉèÖ÷¾¶
    paths: {
        'gallery': 'https://a.alipayobjects.com/gallery'
    },
    // ÉèÖñðÃû£¬·½±ãµ÷ÓÃ
    alias: {
        'underscore': 'gallery/underscore'
    }
});

vars 

±äÁ¿ÅäÖá£ÓÐЩ³¡¾°Ï£¬Ä£¿é·¾¶ÔÚÔËÐÐʱ²ÅÄÜÈ·¶¨£¬Õâʱ¿ÉÒÔʹÓà vars ±äÁ¿À´ÅäÖá£
vars ÅäÖõÄÊÇÄ£¿é±êʶÖеıäÁ¿Öµ£¬ÔÚÄ£¿é±êʶÖÐÓà {key} À´±íʾ±äÁ¿¡£


seajs.config({
    // ±äÁ¿ÅäÖÃ
    vars: {
        'locale': 'zh-cn'
    }
});
define(function(require, exports, module) {
  var lang = require('./i18n/{locale}.js');
     //=> ¼ÓÔصÄÊÇ path/to/i18n/zh-cn.js
});

map 

¸ÃÅäÖÿɶÔÄ£¿é·¾¶½øÐÐÓ³ÉäÐ޸ģ¬¿ÉÓÃÓÚ·¾¶×ª»»¡¢ÔÚÏßµ÷ÊԵȡ£


seajs.config({
    map: [
        [ '.js', '-debug.js' ]
    ]
});
define(function(require, exports, module) {
    var a = require('./a');
    //=> ¼ÓÔصÄÊÇ path/to/a-debug.js
});

preload

ʹÓÃpreloadÅäÖÃÏ¿ÉÒÔÔÚÆÕͨģ¿é¼ÓÔØÇ°£¬ÌáÇ°¼ÓÔز¢³õʼ»¯ºÃÖ¸¶¨Ä£¿é¡£
preloadÖеĿÕ×Ö·û´®»á±»ºöÂÔµô¡£


// ÔÚÀÏä¯ÀÀÆ÷ÖУ¬ÌáÇ°¼ÓÔغà ES5 ºÍ json Ä£¿é
seajs.config({
    preload: [
        Function.prototype.bind ? '' : 'es5-safe',
        this.JSON ? '' : 'json'
    ]
});

×¢Ò⣺preloadÖеÄÅäÖã¬ÐèÒªµÈµ½ use ʱ²Å¼ÓÔØ¡£±ÈÈ磺


seajs.config({
    preload: 'a'
});
// ÔÚ¼ÓÔØ b ֮ǰ£¬»áÈ·±£Ä£¿é a ÒѾ­¼ÓÔز¢Ö´ÐкÃ
seajs.use('./b');

debug 

ֵΪtrueʱ£¬¼ÓÔØÆ÷²»»áɾ³ý¶¯Ì¬²åÈëµÄ script ±êÇ©¡£²å¼þÒ²¿ÉÒÔ¸ù¾ÝdebugÅäÖã¬À´¾ö²ß log µÈÐÅÏ¢µÄÊä³ö¡£

base

Sea.js ÔÚ½âÎö¶¥¼¶±êʶʱ£¬»áÏà¶Ô base ·¾¶À´½âÎö¡£

×¢Ò⣺һ°ãÇë²»ÒªÅäÖà base ·¾¶£¬°Ñ sea.js ·ÅÔÚºÏÊʵÄ·¾¶ÍùÍù¸ü¼òµ¥Ò»Ö¡£

charse

»ñÈ¡Ä£¿éÎļþʱ£¬<script> »ò <link> ±êÇ©µÄcharsetÊôÐÔ¡£ ĬÈÏÊÇutf-8 charset»¹¿ÉÒÔÊÇÒ»¸öº¯Êý£º


seajs.config({
    charset: function(url) {
        // xxx Ŀ¼ÏµÄÎļþÓà gbk ±àÂë¼ÓÔØ
        if (url.indexOf('http://example.com/js/xxx') === 0) {
          return 'gbk';
        }
        // ÆäËûÎļþÓà utf-8 ±àÂë
        return 'utf-8';
    }
});

seajs.use
ÓÃÀ´ÔÚÒ³ÃæÖмÓÔØÒ»¸ö»ò¶à¸öÄ£¿é¡£seajs.use(id, callback?)


// ¼ÓÔØÒ»¸öÄ£¿é
seajs.use('./a');
// ¼ÓÔØÒ»¸öÄ£¿é£¬ÔÚ¼ÓÔØÍê³Éʱ£¬Ö´Ðлص÷
seajs.use('./a', function(a) {
  a.doSomething();
});
// ¼ÓÔضà¸öÄ£¿é£¬ÔÚ¼ÓÔØÍê³Éʱ£¬Ö´Ðлص÷
seajs.use(['./a', './b'], function(a, b) {
  a.doSomething();
  b.doSomething();
});

×¢Ò⣺seajs.use Óë DOM ready ʼþûÓÐÈκιØϵ¡£Èç¹ûijЩ²Ù×÷Ҫȷ±£ÔÚ DOM ready ºóÖ´ÐУ¬ÐèҪʹÓà jquery µÈÀà¿âÀ´±£Ö¤¡£±ÈÈç


seajs.use(['jquery', './main'], function($, main) {
    $(document).ready(function() {
        main.init();
    });
});

×¢Ò⣺use·½·¨µÚÒ»¸ö²ÎÊýÒ»¶¨ÒªÓУ¬µ«ÊÇ¿ÉÒÔÊÇnull£¬Ò²¿ÉÒÔÊÇÒ»¸ö±äÁ¿

var bootstrap = ['bootstrap.css', 'bootstrap-responsive.css', 'bootstrap.js'];
seajs.use(bootstrap, function() {
    //do something
});

seajs.cache

ͨ¹ý seajs.cache£¬¿ÉÒÔ²éÔĵ±Ç°Ä£¿éϵͳÖеÄËùÓÐÄ£¿éÐÅÏ¢¡£

±ÈÈ磬´ò¿ª seajs.org£¬È»ºóÔÚ WebKit Developer Tools µÄ Console Ãæ°åÖÐÊäÈë seajs.cache£¬¿ÉÒÔ¿´µ½£º

Object
  > http://seajs.org/docs/assets/main.js: x
  > https://a.alipayobjects.com/jquery/jquery/1.10.1/jquery.js: x
  > __proto__: Object

ÕâЩ¾ÍÊÇÎĵµÊ×Ò³Óõ½µÄÄ£¿é¡£Õ¹¿ªÄ³Ò»Ïî¿ÉÒÔ¿´µ½Ä£¿éµÄ¾ßÌåÐÅÏ¢£¬º¬Òå¿É²Î¿¼£ºCMD Ä£¿é¶¨Òå¹æ·¶ ÖÐµÄ module С½Ú¡£

seajs.reslove

ÀàËÆrequire.resolve£¬»áÀûÓÃÄ£¿éϵͳµÄÄÚ²¿»úÖƶԴ«ÈëµÄ×Ö·û´®²ÎÊý½øÐз¾¶½âÎö¡£


seajs.resolve('jquery');
// => http://path/to/jquery.js
seajs.resolve('./a', 'http://example.com/to/b.js');
// => http://example.com/to/a.js

seajs.resolve ·½·¨²»¹â¿ÉÒÔÓÃÀ´µ÷ÊÔ·¾¶½âÎöÊÇ·ñÕýÈ·£¬»¹¿ÉÒÔÓÃÔÚ²å¼þ¿ª·¢»·¾³ÖС£

seajs.data

ͨ¹ý seajs.data£¬¿ÉÒԲ鿴 seajs ËùÓÐÅäÖÃÒÔ¼°Ò»Ð©ÄÚ²¿±äÁ¿µÄÖµ£¬¿ÉÓÃÓÚ²å¼þ¿ª·¢¡£µ±¼ÓÔØÓöµ½ÎÊÌâʱ£¬Ò²¿ÉÓÃÓÚµ÷ÊÔ¡£

³£¼ûÎÊÌâ

¹ØÓÚÄ£¿é±êʶ

SeajsÄ£¿é±êʶÖ÷ÒªÒÔСÍÕ·å×Ö·û´®¡¢.»ò..

// ÔÚ http://example.com/js/a.js µÄ factory ÖУº
require.resolve('./b');
  // => http://example.com/js/b.js
// ÔÚ http://example.com/js/a.js µÄ factory ÖУº
require.resolve('../c');
  // => http://example.com/c.js

·ÖΪ Ïà¶Ô Óë ¶¥¼¶ ±êʶ¡£ÒÔ.»ò..¿ªÍ·£¬ÔòΪÏà¶Ô±êʶ ¡£ÒÔСÍÕ·å×Ö·û´®¿ª¹Ø£¬ÔòΪ¶¥¼¶±êʶ¡£

// ¼ÙÉè base ·¾¶ÊÇ£ºhttp://www.aseoe.com/assets/
// ÔÚÄ£¿é´úÂëÀ
require.resolve('gallery/jquery/1.9.1/jquery');
  // => http://www.aseoe.com/assets/gallery/jquery/1.9.1/jquery.js

//sea.jsµÄ·¾¶£¬¼´ base ·¾¶£¬Ïà¶ÔÓÚµ±Ç°Ò³Ãæ
<script src="../actjs/assets/sea-modules/seajs/2.1.1/sj.js"></script>
<script type="text/javascript">
//ÅäÖÃSeajs
seajs.config({
    alias: {
        //¶¥¼¶±êʶ£¬»ùÓÚ base ·¾¶
        'actjs': 'actjs/core/0.0.7/core.js',
            // => http://
        'position': 'actjs/util/0.0.2/position.js'
    }
});
seajs.config({
    alias: {
        //ÆÕͨ·¾¶£¬Ïà¶ÔÓÚµ±Ç°Ò³Ãæ
        'affix': '../../actjs/assets/widget/src/widget-affix.js',
        //Ïà¶Ô±êʶ£¬Ïà¶ÔÓÚµ±Ç°Ò³Ãæ
        'init': './src/init.js'
    }
});
</script>

¹ØÓÚ·¾¶

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¾Íµ½µ±Ç°Ò³ÃæµÄ½Å±¾·ÖÎö

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http://www.aseoe.com/ true seajsµÄ³£ÓÃapi¼òÒ×Îĵµ http://www.aseoe.com/show-12-592-1.html report <£¿php echo strlen($content) / 2; ?> ĿǰʹÓÃsea jsµÄ¹«Ë¾Ô½À´Ô½¶à£¬ ±ÈÈçÅóÓÑÍø£¬°¢Àï°Í°Í£¬ÌÔ±¦Íø£¬°ÙÐÕÍø£¬Ö§¸¶±¦£¬ÓеÀÔƱʼǵȡ£Ä£¿é»¯µÄjavascript¿ª·¢´øÀ´ÁË¿Éά»¤£¬¿ÉÀ©Õ¹ÐÔ£¬ÓÈÆäÔÚ¶àÈËЭ×÷¿ª·¢µÄʱºò²»ÓÃÔÙµ£ÐÄÎļþÒÀÀµºÍº¯ÊýÃüÃû³åÍ»µÄ
TAG:Seajs api
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תÔØÇë×¢Ã÷£º ÎÄÕÂתÔØ×Ô£º°®Ë¼×ÊÔ´Íø http://www.aseoe.com/show-12-592-1.html

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