- // JavaScript Document
- /**
- * 实例:
- * 1. everyTime(时间间隔, [计时器名称], 函式名称, [次数限制], [等待函式程序完成])
- * 2. oneTime(时间间隔, [计时器名称], 呼叫的函式)
- * 3. stopTime ([计时器名称], [函式名称])
- *
- * *************************************************************
- * everyTime(时间间隔, [计时器名称], 函式名称, [次数限制], [等待函式程序完成])
- *************************************************************
- * 每1秒执行函式test()
- * function test(){
- * //do something...
- * }
- * $('body').everyTime('1s',test);
- *
- * 每1秒执行
- * $('body').everyTime('1s',function(){
- * do something...
- * });
- *
- * 每1秒执行,并命名计时器名称为A
- * $('body').everyTime('1s','A',function(){
- * do something...
- * });
- *
- * 每20秒执行,最多5次,并命名计时器名称为B
- * $('body').everyTime('2das','B',function(){
- * do something...
- * },5);
- *
- * 每20秒执行,无限次,并命名计时器名称为C
- * 若时间间隔抵到,但函式程序仍未完成则需等待执行函式完成后再继续计时
- * $('body').everyTime('2das','C',function(){
- * //执行一个会超过20秒以上的程式
- * },0,true);
- *
- * ***********************************************************
- * oneTime(时间间隔, [计时器名称], 呼叫的函式)
- ***********************************************************
- * 倒数10秒后执行
- * $('body').oneTime('1das',function(){
- * //do something...
- * });
- *
- * 倒数100秒后执行,并命名计时器名称为D
- * $('body').oneTime('1hs','D',function(){
- * //do something...
- * });
- *
- * ************************************************************
- * stopTime ([计时器名称], [函式名称])
- * ************************************************************
- * 停止所有的在$('body')上计时器
- * $('body').stopTime ();
- *
- * 停止$('body')上名称为A的计时器
- * $('body').stopTime ('A');
- *
- * 停止$('body')上所有呼叫test()的计时器
- * $('body').stopTime (test);
- *
- * 自定义时间单位,打开源代码,找到
- * powers: {
- * // Yeah this is major overkill...
- * 'ms': 1,
- * 'cs': 10,
- * 'ds': 100,
- * 's': 1000,
- * 'das': 10000,
- * 'hs': 100000,
- * 'ks': 1000000
- * }
- * 可以定制自己想要的单位
- *
- **/
- jQuery.fn.extend({
- everyTime: function(interval, label, fn, times) {
- return this.each(function() {
- jQuery.timer.add(this, interval, label, fn, times);
- });
- },
- oneTime: function(interval, label, fn) {
- return this.each(function() {
- jQuery.timer.add(this, interval, label, fn, 1);
- });
- },
- stopTime: function(label, fn) {
- return this.each(function() {
- jQuery.timer.remove(this, label, fn);
- });
- }
- });
- jQuery.extend({
- timer: {
- global: [],
- guid: 1,
- dataKey: "jQuery.timer",
- regex: /^([0-9]+(?:\\.[0-9]*)?)\\s*(.*s)?$/,
- powers: {
- // Yeah this is major overkill...
- 'ms': 1,
- 'cs': 10,
- 'ds': 100,
- 's': 1000,
- 'das': 10000,
- 'hs': 100000,
- 'ks': 1000000
- },
- timeParse: function(value) {
- if (value == undefined || value == null)
- return null;
- var result = this.regex.exec(jQuery.trim(value.toString()));
- if (result[2]) {
- var num = parseFloat(result[1]);
- var mult = this.powers[result[2]] || 1;
- return num * mult;
- } else {
- return value;
- }
- },
- add: function(element, interval, label, fn, times) {
- var counter = 0;
- if (jQuery.isFunction(label)) {
- if (!times)
- times = fn;
- fn = label;
- label = interval;
- }
- interval = jQuery.timer.timeParse(interval);
- if (typeof interval != 'number' || isNaN(interval) || interval < 0)
- return;
- if (typeof times != 'number' || isNaN(times) || times < 0)
- times = 0;
- times = times || 0;
- var timers = jQuery.data(element, this.dataKey) || jQuery.data(element, this.dataKey, {});
- if (!timers[label])
- timers[label] = {};
- fn.timerID = fn.timerID || this.guid++;
- var handler = function() {
- if ((++counter > times && times !== 0) || fn.call(element, counter) === false)
- jQuery.timer.remove(element, label, fn);
- };
- handler.timerID = fn.timerID;
- if (!timers[label][fn.timerID])
- timers[label][fn.timerID] = window.setInterval(handler,interval);
- this.global.push( element );
- },
- remove: function(element, label, fn) {
- var timers = jQuery.data(element, this.dataKey), ret;
- if ( timers ) {
- if (!label) {
- for ( label in timers )
- this.remove(element, label, fn);
- } else if ( timers[label] ) {
- if ( fn ) {
- if ( fn.timerID ) {
- window.clearInterval(timers[label][fn.timerID]);
- delete timers[label][fn.timerID];
- }
- } else {
- for ( var fn in timers[label] ) {
- window.clearInterval(timers[label][fn]);
- delete timers[label][fn];
- }
- }
- for ( ret in timers[label] ) break;
- if ( !ret ) {
- ret = null;
- delete timers[label];
- }
- }
- for ( ret in timers ) break;
- if ( !ret )
- jQuery.removeData(element, this.dataKey);
- }
- }
- }
- });
- jQuery(window).bind("unload", function() {
- jQuery.each(jQuery.timer.global, function(index, item) {
- jQuery.timer.remove(item);
- });
- });
- //该片段来自于http://www.codesnippet.cn/detail/140620134014.html
来源: http://www.codesnippet.cn/detail/140620134014.html